diff options
Diffstat (limited to 'tools/perf/ui/browsers')
| -rw-r--r-- | tools/perf/ui/browsers/Build | 11 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/annotate.c | 1006 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/header.c | 129 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/hists.c | 3706 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/hists.h | 40 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/map.c | 134 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/map.h | 7 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/res_sample.c | 96 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/scripts.c | 193 |
9 files changed, 5322 insertions, 0 deletions
diff --git a/tools/perf/ui/browsers/Build b/tools/perf/ui/browsers/Build new file mode 100644 index 000000000..fdf86f798 --- /dev/null +++ b/tools/perf/ui/browsers/Build @@ -0,0 +1,11 @@ +perf-y += annotate.o +perf-y += hists.o +perf-y += map.o +perf-y += scripts.o +perf-y += header.o +perf-y += res_sample.o + +CFLAGS_annotate.o += -DENABLE_SLFUTURE_CONST +CFLAGS_hists.o += -DENABLE_SLFUTURE_CONST +CFLAGS_map.o += -DENABLE_SLFUTURE_CONST +CFLAGS_scripts.o += -DENABLE_SLFUTURE_CONST diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c new file mode 100644 index 000000000..c03fa76c0 --- /dev/null +++ b/tools/perf/ui/browsers/annotate.c @@ -0,0 +1,1006 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "../browser.h" +#include "../helpline.h" +#include "../ui.h" +#include "../../util/annotate.h" +#include "../../util/debug.h" +#include "../../util/dso.h" +#include "../../util/hist.h" +#include "../../util/sort.h" +#include "../../util/map.h" +#include "../../util/mutex.h" +#include "../../util/symbol.h" +#include "../../util/evsel.h" +#include "../../util/evlist.h" +#include <inttypes.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/zalloc.h> +#include <sys/ttydefaults.h> +#include <asm/bug.h> + +struct arch; + +struct annotate_browser { + struct ui_browser b; + struct rb_root entries; + struct rb_node *curr_hot; + struct annotation_line *selection; + struct arch *arch; + struct annotation_options *opts; + bool searching_backwards; + char search_bf[128]; +}; + +static inline struct annotation *browser__annotation(struct ui_browser *browser) +{ + struct map_symbol *ms = browser->priv; + return symbol__annotation(ms->sym); +} + +static bool disasm_line__filter(struct ui_browser *browser, void *entry) +{ + struct annotation *notes = browser__annotation(browser); + struct annotation_line *al = list_entry(entry, struct annotation_line, node); + return annotation_line__filter(al, notes); +} + +static int ui_browser__jumps_percent_color(struct ui_browser *browser, int nr, bool current) +{ + struct annotation *notes = browser__annotation(browser); + + if (current && (!browser->use_navkeypressed || browser->navkeypressed)) + return HE_COLORSET_SELECTED; + if (nr == notes->max_jump_sources) + return HE_COLORSET_TOP; + if (nr > 1) + return HE_COLORSET_MEDIUM; + return HE_COLORSET_NORMAL; +} + +static int ui_browser__set_jumps_percent_color(void *browser, int nr, bool current) +{ + int color = ui_browser__jumps_percent_color(browser, nr, current); + return ui_browser__set_color(browser, color); +} + +static int annotate_browser__set_color(void *browser, int color) +{ + return ui_browser__set_color(browser, color); +} + +static void annotate_browser__write_graph(void *browser, int graph) +{ + ui_browser__write_graph(browser, graph); +} + +static void annotate_browser__set_percent_color(void *browser, double percent, bool current) +{ + ui_browser__set_percent_color(browser, percent, current); +} + +static void annotate_browser__printf(void *browser, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + ui_browser__vprintf(browser, fmt, args); + va_end(args); +} + +static void annotate_browser__write(struct ui_browser *browser, void *entry, int row) +{ + struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); + struct annotation *notes = browser__annotation(browser); + struct annotation_line *al = list_entry(entry, struct annotation_line, node); + const bool is_current_entry = ui_browser__is_current_entry(browser, row); + struct annotation_write_ops ops = { + .first_line = row == 0, + .current_entry = is_current_entry, + .change_color = (!notes->options->hide_src_code && + (!is_current_entry || + (browser->use_navkeypressed && + !browser->navkeypressed))), + .width = browser->width, + .obj = browser, + .set_color = annotate_browser__set_color, + .set_percent_color = annotate_browser__set_percent_color, + .set_jumps_percent_color = ui_browser__set_jumps_percent_color, + .printf = annotate_browser__printf, + .write_graph = annotate_browser__write_graph, + }; + + /* The scroll bar isn't being used */ + if (!browser->navkeypressed) + ops.width += 1; + + annotation_line__write(al, notes, &ops, ab->opts); + + if (ops.current_entry) + ab->selection = al; +} + +static int is_fused(struct annotate_browser *ab, struct disasm_line *cursor) +{ + struct disasm_line *pos = list_prev_entry(cursor, al.node); + const char *name; + int diff = 1; + + while (pos && pos->al.offset == -1) { + pos = list_prev_entry(pos, al.node); + if (!ab->opts->hide_src_code) + diff++; + } + + if (!pos) + return 0; + + if (ins__is_lock(&pos->ins)) + name = pos->ops.locked.ins.name; + else + name = pos->ins.name; + + if (!name || !cursor->ins.name) + return 0; + + if (ins__is_fused(ab->arch, name, cursor->ins.name)) + return diff; + return 0; +} + +static void annotate_browser__draw_current_jump(struct ui_browser *browser) +{ + struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); + struct disasm_line *cursor = disasm_line(ab->selection); + struct annotation_line *target; + unsigned int from, to; + struct map_symbol *ms = ab->b.priv; + struct symbol *sym = ms->sym; + struct annotation *notes = symbol__annotation(sym); + u8 pcnt_width = annotation__pcnt_width(notes); + int width; + int diff = 0; + + /* PLT symbols contain external offsets */ + if (strstr(sym->name, "@plt")) + return; + + if (!disasm_line__is_valid_local_jump(cursor, sym)) + return; + + /* + * This first was seen with a gcc function, _cpp_lex_token, that + * has the usual jumps: + * + * │1159e6c: ↓ jne 115aa32 <_cpp_lex_token@@Base+0xf92> + * + * I.e. jumps to a label inside that function (_cpp_lex_token), and + * those works, but also this kind: + * + * │1159e8b: ↓ jne c469be <cpp_named_operator2name@@Base+0xa72> + * + * I.e. jumps to another function, outside _cpp_lex_token, which + * are not being correctly handled generating as a side effect references + * to ab->offset[] entries that are set to NULL, so to make this code + * more robust, check that here. + * + * A proper fix for will be put in place, looking at the function + * name right after the '<' token and probably treating this like a + * 'call' instruction. + */ + target = notes->offsets[cursor->ops.target.offset]; + if (target == NULL) { + ui_helpline__printf("WARN: jump target inconsistency, press 'o', notes->offsets[%#x] = NULL\n", + cursor->ops.target.offset); + return; + } + + if (notes->options->hide_src_code) { + from = cursor->al.idx_asm; + to = target->idx_asm; + } else { + from = (u64)cursor->al.idx; + to = (u64)target->idx; + } + + width = annotation__cycles_width(notes); + + ui_browser__set_color(browser, HE_COLORSET_JUMP_ARROWS); + __ui_browser__line_arrow(browser, + pcnt_width + 2 + notes->widths.addr + width, + from, to); + + diff = is_fused(ab, cursor); + if (diff > 0) { + ui_browser__mark_fused(browser, + pcnt_width + 3 + notes->widths.addr + width, + from - diff, diff, to > from); + } +} + +static unsigned int annotate_browser__refresh(struct ui_browser *browser) +{ + struct annotation *notes = browser__annotation(browser); + int ret = ui_browser__list_head_refresh(browser); + int pcnt_width = annotation__pcnt_width(notes); + + if (notes->options->jump_arrows) + annotate_browser__draw_current_jump(browser); + + ui_browser__set_color(browser, HE_COLORSET_NORMAL); + __ui_browser__vline(browser, pcnt_width, 0, browser->rows - 1); + return ret; +} + +static double disasm__cmp(struct annotation_line *a, struct annotation_line *b, + int percent_type) +{ + int i; + + for (i = 0; i < a->data_nr; i++) { + if (a->data[i].percent[percent_type] == b->data[i].percent[percent_type]) + continue; + return a->data[i].percent[percent_type] - + b->data[i].percent[percent_type]; + } + return 0; +} + +static void disasm_rb_tree__insert(struct annotate_browser *browser, + struct annotation_line *al) +{ + struct rb_root *root = &browser->entries; + struct rb_node **p = &root->rb_node; + struct rb_node *parent = NULL; + struct annotation_line *l; + + while (*p != NULL) { + parent = *p; + l = rb_entry(parent, struct annotation_line, rb_node); + + if (disasm__cmp(al, l, browser->opts->percent_type) < 0) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + rb_link_node(&al->rb_node, parent, p); + rb_insert_color(&al->rb_node, root); +} + +static void annotate_browser__set_top(struct annotate_browser *browser, + struct annotation_line *pos, u32 idx) +{ + struct annotation *notes = browser__annotation(&browser->b); + unsigned back; + + ui_browser__refresh_dimensions(&browser->b); + back = browser->b.height / 2; + browser->b.top_idx = browser->b.index = idx; + + while (browser->b.top_idx != 0 && back != 0) { + pos = list_entry(pos->node.prev, struct annotation_line, node); + + if (annotation_line__filter(pos, notes)) + continue; + + --browser->b.top_idx; + --back; + } + + browser->b.top = pos; + browser->b.navkeypressed = true; +} + +static void annotate_browser__set_rb_top(struct annotate_browser *browser, + struct rb_node *nd) +{ + struct annotation *notes = browser__annotation(&browser->b); + struct annotation_line * pos = rb_entry(nd, struct annotation_line, rb_node); + u32 idx = pos->idx; + + if (notes->options->hide_src_code) + idx = pos->idx_asm; + annotate_browser__set_top(browser, pos, idx); + browser->curr_hot = nd; +} + +static void annotate_browser__calc_percent(struct annotate_browser *browser, + struct evsel *evsel) +{ + struct map_symbol *ms = browser->b.priv; + struct symbol *sym = ms->sym; + struct annotation *notes = symbol__annotation(sym); + struct disasm_line *pos; + + browser->entries = RB_ROOT; + + mutex_lock(¬es->lock); + + symbol__calc_percent(sym, evsel); + + list_for_each_entry(pos, ¬es->src->source, al.node) { + double max_percent = 0.0; + int i; + + if (pos->al.offset == -1) { + RB_CLEAR_NODE(&pos->al.rb_node); + continue; + } + + for (i = 0; i < pos->al.data_nr; i++) { + double percent; + + percent = annotation_data__percent(&pos->al.data[i], + browser->opts->percent_type); + + if (max_percent < percent) + max_percent = percent; + } + + if (max_percent < 0.01 && pos->al.ipc == 0) { + RB_CLEAR_NODE(&pos->al.rb_node); + continue; + } + disasm_rb_tree__insert(browser, &pos->al); + } + mutex_unlock(¬es->lock); + + browser->curr_hot = rb_last(&browser->entries); +} + +static struct annotation_line *annotate_browser__find_next_asm_line( + struct annotate_browser *browser, + struct annotation_line *al) +{ + struct annotation_line *it = al; + + /* find next asm line */ + list_for_each_entry_continue(it, browser->b.entries, node) { + if (it->idx_asm >= 0) + return it; + } + + /* no asm line found forwards, try backwards */ + it = al; + list_for_each_entry_continue_reverse(it, browser->b.entries, node) { + if (it->idx_asm >= 0) + return it; + } + + /* There are no asm lines */ + return NULL; +} + +static bool annotate_browser__toggle_source(struct annotate_browser *browser) +{ + struct annotation *notes = browser__annotation(&browser->b); + struct annotation_line *al; + off_t offset = browser->b.index - browser->b.top_idx; + + browser->b.seek(&browser->b, offset, SEEK_CUR); + al = list_entry(browser->b.top, struct annotation_line, node); + + if (notes->options->hide_src_code) { + if (al->idx_asm < offset) + offset = al->idx; + + browser->b.nr_entries = notes->nr_entries; + notes->options->hide_src_code = false; + browser->b.seek(&browser->b, -offset, SEEK_CUR); + browser->b.top_idx = al->idx - offset; + browser->b.index = al->idx; + } else { + if (al->idx_asm < 0) { + /* move cursor to next asm line */ + al = annotate_browser__find_next_asm_line(browser, al); + if (!al) { + browser->b.seek(&browser->b, -offset, SEEK_CUR); + return false; + } + } + + if (al->idx_asm < offset) + offset = al->idx_asm; + + browser->b.nr_entries = notes->nr_asm_entries; + notes->options->hide_src_code = true; + browser->b.seek(&browser->b, -offset, SEEK_CUR); + browser->b.top_idx = al->idx_asm - offset; + browser->b.index = al->idx_asm; + } + + return true; +} + +#define SYM_TITLE_MAX_SIZE (PATH_MAX + 64) + +static void annotate_browser__show_full_location(struct ui_browser *browser) +{ + struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); + struct disasm_line *cursor = disasm_line(ab->selection); + struct annotation_line *al = &cursor->al; + + if (al->offset != -1) + ui_helpline__puts("Only available for source code lines."); + else if (al->fileloc == NULL) + ui_helpline__puts("No source file location."); + else { + char help_line[SYM_TITLE_MAX_SIZE]; + sprintf (help_line, "Source file location: %s", al->fileloc); + ui_helpline__puts(help_line); + } +} + +static void ui_browser__init_asm_mode(struct ui_browser *browser) +{ + struct annotation *notes = browser__annotation(browser); + ui_browser__reset_index(browser); + browser->nr_entries = notes->nr_asm_entries; +} + +static int sym_title(struct symbol *sym, struct map *map, char *title, + size_t sz, int percent_type) +{ + return snprintf(title, sz, "%s %s [Percent: %s]", sym->name, map->dso->long_name, + percent_type_str(percent_type)); +} + +/* + * This can be called from external jumps, i.e. jumps from one function + * to another, like from the kernel's entry_SYSCALL_64 function to the + * swapgs_restore_regs_and_return_to_usermode() function. + * + * So all we check here is that dl->ops.target.sym is set, if it is, just + * go to that function and when exiting from its disassembly, come back + * to the calling function. + */ +static bool annotate_browser__callq(struct annotate_browser *browser, + struct evsel *evsel, + struct hist_browser_timer *hbt) +{ + struct map_symbol *ms = browser->b.priv, target_ms; + struct disasm_line *dl = disasm_line(browser->selection); + struct annotation *notes; + char title[SYM_TITLE_MAX_SIZE]; + + if (!dl->ops.target.sym) { + ui_helpline__puts("The called function was not found."); + return true; + } + + notes = symbol__annotation(dl->ops.target.sym); + mutex_lock(¬es->lock); + + if (!symbol__hists(dl->ops.target.sym, evsel->evlist->core.nr_entries)) { + mutex_unlock(¬es->lock); + ui__warning("Not enough memory for annotating '%s' symbol!\n", + dl->ops.target.sym->name); + return true; + } + + target_ms.maps = ms->maps; + target_ms.map = ms->map; + target_ms.sym = dl->ops.target.sym; + mutex_unlock(¬es->lock); + symbol__tui_annotate(&target_ms, evsel, hbt, browser->opts); + sym_title(ms->sym, ms->map, title, sizeof(title), browser->opts->percent_type); + ui_browser__show_title(&browser->b, title); + return true; +} + +static +struct disasm_line *annotate_browser__find_offset(struct annotate_browser *browser, + s64 offset, s64 *idx) +{ + struct annotation *notes = browser__annotation(&browser->b); + struct disasm_line *pos; + + *idx = 0; + list_for_each_entry(pos, ¬es->src->source, al.node) { + if (pos->al.offset == offset) + return pos; + if (!annotation_line__filter(&pos->al, notes)) + ++*idx; + } + + return NULL; +} + +static bool annotate_browser__jump(struct annotate_browser *browser, + struct evsel *evsel, + struct hist_browser_timer *hbt) +{ + struct disasm_line *dl = disasm_line(browser->selection); + u64 offset; + s64 idx; + + if (!ins__is_jump(&dl->ins)) + return false; + + if (dl->ops.target.outside) { + annotate_browser__callq(browser, evsel, hbt); + return true; + } + + offset = dl->ops.target.offset; + dl = annotate_browser__find_offset(browser, offset, &idx); + if (dl == NULL) { + ui_helpline__printf("Invalid jump offset: %" PRIx64, offset); + return true; + } + + annotate_browser__set_top(browser, &dl->al, idx); + + return true; +} + +static +struct annotation_line *annotate_browser__find_string(struct annotate_browser *browser, + char *s, s64 *idx) +{ + struct annotation *notes = browser__annotation(&browser->b); + struct annotation_line *al = browser->selection; + + *idx = browser->b.index; + list_for_each_entry_continue(al, ¬es->src->source, node) { + if (annotation_line__filter(al, notes)) + continue; + + ++*idx; + + if (al->line && strstr(al->line, s) != NULL) + return al; + } + + return NULL; +} + +static bool __annotate_browser__search(struct annotate_browser *browser) +{ + struct annotation_line *al; + s64 idx; + + al = annotate_browser__find_string(browser, browser->search_bf, &idx); + if (al == NULL) { + ui_helpline__puts("String not found!"); + return false; + } + + annotate_browser__set_top(browser, al, idx); + browser->searching_backwards = false; + return true; +} + +static +struct annotation_line *annotate_browser__find_string_reverse(struct annotate_browser *browser, + char *s, s64 *idx) +{ + struct annotation *notes = browser__annotation(&browser->b); + struct annotation_line *al = browser->selection; + + *idx = browser->b.index; + list_for_each_entry_continue_reverse(al, ¬es->src->source, node) { + if (annotation_line__filter(al, notes)) + continue; + + --*idx; + + if (al->line && strstr(al->line, s) != NULL) + return al; + } + + return NULL; +} + +static bool __annotate_browser__search_reverse(struct annotate_browser *browser) +{ + struct annotation_line *al; + s64 idx; + + al = annotate_browser__find_string_reverse(browser, browser->search_bf, &idx); + if (al == NULL) { + ui_helpline__puts("String not found!"); + return false; + } + + annotate_browser__set_top(browser, al, idx); + browser->searching_backwards = true; + return true; +} + +static bool annotate_browser__search_window(struct annotate_browser *browser, + int delay_secs) +{ + if (ui_browser__input_window("Search", "String: ", browser->search_bf, + "ENTER: OK, ESC: Cancel", + delay_secs * 2) != K_ENTER || + !*browser->search_bf) + return false; + + return true; +} + +static bool annotate_browser__search(struct annotate_browser *browser, int delay_secs) +{ + if (annotate_browser__search_window(browser, delay_secs)) + return __annotate_browser__search(browser); + + return false; +} + +static bool annotate_browser__continue_search(struct annotate_browser *browser, + int delay_secs) +{ + if (!*browser->search_bf) + return annotate_browser__search(browser, delay_secs); + + return __annotate_browser__search(browser); +} + +static bool annotate_browser__search_reverse(struct annotate_browser *browser, + int delay_secs) +{ + if (annotate_browser__search_window(browser, delay_secs)) + return __annotate_browser__search_reverse(browser); + + return false; +} + +static +bool annotate_browser__continue_search_reverse(struct annotate_browser *browser, + int delay_secs) +{ + if (!*browser->search_bf) + return annotate_browser__search_reverse(browser, delay_secs); + + return __annotate_browser__search_reverse(browser); +} + +static int annotate_browser__show(struct ui_browser *browser, char *title, const char *help) +{ + struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); + struct map_symbol *ms = browser->priv; + struct symbol *sym = ms->sym; + char symbol_dso[SYM_TITLE_MAX_SIZE]; + + if (ui_browser__show(browser, title, help) < 0) + return -1; + + sym_title(sym, ms->map, symbol_dso, sizeof(symbol_dso), ab->opts->percent_type); + + ui_browser__gotorc_title(browser, 0, 0); + ui_browser__set_color(browser, HE_COLORSET_ROOT); + ui_browser__write_nstring(browser, symbol_dso, browser->width + 1); + return 0; +} + +static void +switch_percent_type(struct annotation_options *opts, bool base) +{ + switch (opts->percent_type) { + case PERCENT_HITS_LOCAL: + if (base) + opts->percent_type = PERCENT_PERIOD_LOCAL; + else + opts->percent_type = PERCENT_HITS_GLOBAL; + break; + case PERCENT_HITS_GLOBAL: + if (base) + opts->percent_type = PERCENT_PERIOD_GLOBAL; + else + opts->percent_type = PERCENT_HITS_LOCAL; + break; + case PERCENT_PERIOD_LOCAL: + if (base) + opts->percent_type = PERCENT_HITS_LOCAL; + else + opts->percent_type = PERCENT_PERIOD_GLOBAL; + break; + case PERCENT_PERIOD_GLOBAL: + if (base) + opts->percent_type = PERCENT_HITS_GLOBAL; + else + opts->percent_type = PERCENT_PERIOD_LOCAL; + break; + default: + WARN_ON(1); + } +} + +static int annotate_browser__run(struct annotate_browser *browser, + struct evsel *evsel, + struct hist_browser_timer *hbt) +{ + struct rb_node *nd = NULL; + struct hists *hists = evsel__hists(evsel); + struct map_symbol *ms = browser->b.priv; + struct symbol *sym = ms->sym; + struct annotation *notes = symbol__annotation(ms->sym); + const char *help = "Press 'h' for help on key bindings"; + int delay_secs = hbt ? hbt->refresh : 0; + char title[256]; + int key; + + hists__scnprintf_title(hists, title, sizeof(title)); + if (annotate_browser__show(&browser->b, title, help) < 0) + return -1; + + annotate_browser__calc_percent(browser, evsel); + + if (browser->curr_hot) { + annotate_browser__set_rb_top(browser, browser->curr_hot); + browser->b.navkeypressed = false; + } + + nd = browser->curr_hot; + + while (1) { + key = ui_browser__run(&browser->b, delay_secs); + + if (delay_secs != 0) { + annotate_browser__calc_percent(browser, evsel); + /* + * Current line focus got out of the list of most active + * lines, NULL it so that if TAB|UNTAB is pressed, we + * move to curr_hot (current hottest line). + */ + if (nd != NULL && RB_EMPTY_NODE(nd)) + nd = NULL; + } + + switch (key) { + case K_TIMER: + if (hbt) + hbt->timer(hbt->arg); + + if (delay_secs != 0) { + symbol__annotate_decay_histogram(sym, evsel->core.idx); + hists__scnprintf_title(hists, title, sizeof(title)); + annotate_browser__show(&browser->b, title, help); + } + continue; + case K_TAB: + if (nd != NULL) { + nd = rb_prev(nd); + if (nd == NULL) + nd = rb_last(&browser->entries); + } else + nd = browser->curr_hot; + break; + case K_UNTAB: + if (nd != NULL) { + nd = rb_next(nd); + if (nd == NULL) + nd = rb_first(&browser->entries); + } else + nd = browser->curr_hot; + break; + case K_F1: + case 'h': + ui_browser__help_window(&browser->b, + "UP/DOWN/PGUP\n" + "PGDN/SPACE Navigate\n" + "q/ESC/CTRL+C Exit\n\n" + "ENTER Go to target\n" + "ESC Exit\n" + "H Go to hottest instruction\n" + "TAB/shift+TAB Cycle thru hottest instructions\n" + "j Toggle showing jump to target arrows\n" + "J Toggle showing number of jump sources on targets\n" + "n Search next string\n" + "o Toggle disassembler output/simplified view\n" + "O Bump offset level (jump targets -> +call -> all -> cycle thru)\n" + "s Toggle source code view\n" + "t Circulate percent, total period, samples view\n" + "c Show min/max cycle\n" + "/ Search string\n" + "k Toggle line numbers\n" + "l Show full source file location\n" + "P Print to [symbol_name].annotation file.\n" + "r Run available scripts\n" + "p Toggle percent type [local/global]\n" + "b Toggle percent base [period/hits]\n" + "? Search string backwards\n" + "f Toggle showing offsets to full address\n"); + continue; + case 'r': + script_browse(NULL, NULL); + annotate_browser__show(&browser->b, title, help); + continue; + case 'k': + notes->options->show_linenr = !notes->options->show_linenr; + continue; + case 'l': + annotate_browser__show_full_location (&browser->b); + continue; + case 'H': + nd = browser->curr_hot; + break; + case 's': + if (annotate_browser__toggle_source(browser)) + ui_helpline__puts(help); + continue; + case 'o': + notes->options->use_offset = !notes->options->use_offset; + annotation__update_column_widths(notes); + continue; + case 'O': + if (++notes->options->offset_level > ANNOTATION__MAX_OFFSET_LEVEL) + notes->options->offset_level = ANNOTATION__MIN_OFFSET_LEVEL; + continue; + case 'j': + notes->options->jump_arrows = !notes->options->jump_arrows; + continue; + case 'J': + notes->options->show_nr_jumps = !notes->options->show_nr_jumps; + annotation__update_column_widths(notes); + continue; + case '/': + if (annotate_browser__search(browser, delay_secs)) { +show_help: + ui_helpline__puts(help); + } + continue; + case 'n': + if (browser->searching_backwards ? + annotate_browser__continue_search_reverse(browser, delay_secs) : + annotate_browser__continue_search(browser, delay_secs)) + goto show_help; + continue; + case '?': + if (annotate_browser__search_reverse(browser, delay_secs)) + goto show_help; + continue; + case 'D': { + static int seq; + ui_helpline__pop(); + ui_helpline__fpush("%d: nr_ent=%d, height=%d, idx=%d, top_idx=%d, nr_asm_entries=%d", + seq++, browser->b.nr_entries, + browser->b.height, + browser->b.index, + browser->b.top_idx, + notes->nr_asm_entries); + } + continue; + case K_ENTER: + case K_RIGHT: + { + struct disasm_line *dl = disasm_line(browser->selection); + + if (browser->selection == NULL) + ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org"); + else if (browser->selection->offset == -1) + ui_helpline__puts("Actions are only available for assembly lines."); + else if (!dl->ins.ops) + goto show_sup_ins; + else if (ins__is_ret(&dl->ins)) + goto out; + else if (!(annotate_browser__jump(browser, evsel, hbt) || + annotate_browser__callq(browser, evsel, hbt))) { +show_sup_ins: + ui_helpline__puts("Actions are only available for function call/return & jump/branch instructions."); + } + continue; + } + case 'P': + map_symbol__annotation_dump(ms, evsel, browser->opts); + continue; + case 't': + if (symbol_conf.show_total_period) { + symbol_conf.show_total_period = false; + symbol_conf.show_nr_samples = true; + } else if (symbol_conf.show_nr_samples) + symbol_conf.show_nr_samples = false; + else + symbol_conf.show_total_period = true; + annotation__update_column_widths(notes); + continue; + case 'c': + if (notes->options->show_minmax_cycle) + notes->options->show_minmax_cycle = false; + else + notes->options->show_minmax_cycle = true; + annotation__update_column_widths(notes); + continue; + case 'p': + case 'b': + switch_percent_type(browser->opts, key == 'b'); + hists__scnprintf_title(hists, title, sizeof(title)); + annotate_browser__show(&browser->b, title, help); + continue; + case 'f': + annotation__toggle_full_addr(notes, ms); + continue; + case K_LEFT: + case K_ESC: + case 'q': + case CTRL('c'): + goto out; + default: + continue; + } + + if (nd != NULL) + annotate_browser__set_rb_top(browser, nd); + } +out: + ui_browser__hide(&browser->b); + return key; +} + +int map_symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel, + struct hist_browser_timer *hbt, + struct annotation_options *opts) +{ + return symbol__tui_annotate(ms, evsel, hbt, opts); +} + +int hist_entry__tui_annotate(struct hist_entry *he, struct evsel *evsel, + struct hist_browser_timer *hbt, + struct annotation_options *opts) +{ + /* reset abort key so that it can get Ctrl-C as a key */ + SLang_reset_tty(); + SLang_init_tty(0, 0, 0); + + return map_symbol__tui_annotate(&he->ms, evsel, hbt, opts); +} + +int symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel, + struct hist_browser_timer *hbt, + struct annotation_options *opts) +{ + struct symbol *sym = ms->sym; + struct annotation *notes = symbol__annotation(sym); + struct annotate_browser browser = { + .b = { + .refresh = annotate_browser__refresh, + .seek = ui_browser__list_head_seek, + .write = annotate_browser__write, + .filter = disasm_line__filter, + .extra_title_lines = 1, /* for hists__scnprintf_title() */ + .priv = ms, + .use_navkeypressed = true, + }, + .opts = opts, + }; + int ret = -1, err; + int not_annotated = list_empty(¬es->src->source); + + if (sym == NULL) + return -1; + + if (ms->map->dso->annotate_warned) + return -1; + + if (not_annotated) { + err = symbol__annotate2(ms, evsel, opts, &browser.arch); + if (err) { + char msg[BUFSIZ]; + ms->map->dso->annotate_warned = true; + symbol__strerror_disassemble(ms, err, msg, sizeof(msg)); + ui__error("Couldn't annotate %s:\n%s", sym->name, msg); + goto out_free_offsets; + } + } + + ui_helpline__push("Press ESC to exit"); + + browser.b.width = notes->max_line_len; + browser.b.nr_entries = notes->nr_entries; + browser.b.entries = ¬es->src->source, + browser.b.width += 18; /* Percentage */ + + if (notes->options->hide_src_code) + ui_browser__init_asm_mode(&browser.b); + + ret = annotate_browser__run(&browser, evsel, hbt); + + if(not_annotated) + annotated_source__purge(notes->src); + +out_free_offsets: + if(not_annotated) + zfree(¬es->offsets); + return ret; +} diff --git a/tools/perf/ui/browsers/header.c b/tools/perf/ui/browsers/header.c new file mode 100644 index 000000000..57e6e4332 --- /dev/null +++ b/tools/perf/ui/browsers/header.c @@ -0,0 +1,129 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "ui/browser.h" +#include "ui/keysyms.h" +#include "ui/ui.h" +#include "ui/util.h" +#include "ui/libslang.h" +#include "util/header.h" +#include "util/session.h" + +#include <sys/ttydefaults.h> + +static void ui_browser__argv_write(struct ui_browser *browser, + void *entry, int row) +{ + char **arg = entry; + char *str = *arg; + char empty[] = " "; + bool current_entry = ui_browser__is_current_entry(browser, row); + unsigned long offset = (unsigned long)browser->priv; + + if (offset >= strlen(str)) + str = empty; + else + str = str + offset; + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + + ui_browser__write_nstring(browser, str, browser->width); +} + +static int list_menu__run(struct ui_browser *menu) +{ + int key; + unsigned long offset; + static const char help[] = + "h/?/F1 Show this window\n" + "UP/DOWN/PGUP\n" + "PGDN/SPACE\n" + "LEFT/RIGHT Navigate\n" + "q/ESC/CTRL+C Exit browser"; + + if (ui_browser__show(menu, "Header information", "Press 'q' to exit") < 0) + return -1; + + while (1) { + key = ui_browser__run(menu, 0); + + switch (key) { + case K_RIGHT: + offset = (unsigned long)menu->priv; + offset += 10; + menu->priv = (void *)offset; + continue; + case K_LEFT: + offset = (unsigned long)menu->priv; + if (offset >= 10) + offset -= 10; + menu->priv = (void *)offset; + continue; + case K_F1: + case 'h': + case '?': + ui_browser__help_window(menu, help); + continue; + case K_ESC: + case 'q': + case CTRL('c'): + key = -1; + break; + default: + continue; + } + + break; + } + + ui_browser__hide(menu); + return key; +} + +static int ui__list_menu(int argc, char * const argv[]) +{ + struct ui_browser menu = { + .entries = (void *)argv, + .refresh = ui_browser__argv_refresh, + .seek = ui_browser__argv_seek, + .write = ui_browser__argv_write, + .nr_entries = argc, + }; + + return list_menu__run(&menu); +} + +int tui__header_window(struct perf_env *env) +{ + int i, argc = 0; + char **argv; + struct perf_session *session; + char *ptr, *pos; + size_t size; + FILE *fp = open_memstream(&ptr, &size); + + session = container_of(env, struct perf_session, header.env); + perf_header__fprintf_info(session, fp, true); + fclose(fp); + + for (pos = ptr, argc = 0; (pos = strchr(pos, '\n')) != NULL; pos++) + argc++; + + argv = calloc(argc + 1, sizeof(*argv)); + if (argv == NULL) + goto out; + + argv[0] = pos = ptr; + for (i = 1; (pos = strchr(pos, '\n')) != NULL; i++) { + *pos++ = '\0'; + argv[i] = pos; + } + + BUG_ON(i != argc + 1); + + ui__list_menu(argc, argv); + +out: + free(argv); + free(ptr); + return 0; +} diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c new file mode 100644 index 000000000..fd3e67d2c --- /dev/null +++ b/tools/perf/ui/browsers/hists.c @@ -0,0 +1,3706 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <dirent.h> +#include <errno.h> +#include <inttypes.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <linux/rbtree.h> +#include <linux/string.h> +#include <sys/ttydefaults.h> +#include <linux/time64.h> +#include <linux/zalloc.h> + +#include "../../util/debug.h" +#include "../../util/dso.h" +#include "../../util/callchain.h" +#include "../../util/evsel.h" +#include "../../util/evlist.h" +#include "../../util/header.h" +#include "../../util/hist.h" +#include "../../util/machine.h" +#include "../../util/map.h" +#include "../../util/maps.h" +#include "../../util/symbol.h" +#include "../../util/map_symbol.h" +#include "../../util/branch.h" +#include "../../util/pstack.h" +#include "../../util/sort.h" +#include "../../util/top.h" +#include "../../util/thread.h" +#include "../../util/block-info.h" +#include "../../arch/common.h" +#include "../../perf.h" + +#include "../browsers/hists.h" +#include "../helpline.h" +#include "../util.h" +#include "../ui.h" +#include "map.h" +#include "annotate.h" +#include "srcline.h" +#include "string2.h" +#include "units.h" +#include "time-utils.h" + +#include <linux/ctype.h> + +extern void hist_browser__init_hpp(void); + +static int hists_browser__scnprintf_title(struct hist_browser *browser, char *bf, size_t size); +static void hist_browser__update_nr_entries(struct hist_browser *hb); + +static struct rb_node *hists__filter_entries(struct rb_node *nd, + float min_pcnt); + +static bool hist_browser__has_filter(struct hist_browser *hb) +{ + return hists__has_filter(hb->hists) || hb->min_pcnt || symbol_conf.has_filter || hb->c2c_filter; +} + +static int hist_browser__get_folding(struct hist_browser *browser) +{ + struct rb_node *nd; + struct hists *hists = browser->hists; + int unfolded_rows = 0; + + for (nd = rb_first_cached(&hists->entries); + (nd = hists__filter_entries(nd, browser->min_pcnt)) != NULL; + nd = rb_hierarchy_next(nd)) { + struct hist_entry *he = + rb_entry(nd, struct hist_entry, rb_node); + + if (he->leaf && he->unfolded) + unfolded_rows += he->nr_rows; + } + return unfolded_rows; +} + +static void hist_browser__set_title_space(struct hist_browser *hb) +{ + struct ui_browser *browser = &hb->b; + struct hists *hists = hb->hists; + struct perf_hpp_list *hpp_list = hists->hpp_list; + + browser->extra_title_lines = hb->show_headers ? hpp_list->nr_header_lines : 0; +} + +static u32 hist_browser__nr_entries(struct hist_browser *hb) +{ + u32 nr_entries; + + if (symbol_conf.report_hierarchy) + nr_entries = hb->nr_hierarchy_entries; + else if (hist_browser__has_filter(hb)) + nr_entries = hb->nr_non_filtered_entries; + else + nr_entries = hb->hists->nr_entries; + + hb->nr_callchain_rows = hist_browser__get_folding(hb); + return nr_entries + hb->nr_callchain_rows; +} + +static void hist_browser__update_rows(struct hist_browser *hb) +{ + struct ui_browser *browser = &hb->b; + struct hists *hists = hb->hists; + struct perf_hpp_list *hpp_list = hists->hpp_list; + u16 index_row; + + if (!hb->show_headers) { + browser->rows += browser->extra_title_lines; + browser->extra_title_lines = 0; + return; + } + + browser->extra_title_lines = hpp_list->nr_header_lines; + browser->rows -= browser->extra_title_lines; + /* + * Verify if we were at the last line and that line isn't + * visible because we now show the header line(s). + */ + index_row = browser->index - browser->top_idx; + if (index_row >= browser->rows) + browser->index -= index_row - browser->rows + 1; +} + +static void hist_browser__refresh_dimensions(struct ui_browser *browser) +{ + struct hist_browser *hb = container_of(browser, struct hist_browser, b); + + /* 3 == +/- toggle symbol before actual hist_entry rendering */ + browser->width = 3 + (hists__sort_list_width(hb->hists) + sizeof("[k]")); + /* + * FIXME: Just keeping existing behaviour, but this really should be + * before updating browser->width, as it will invalidate the + * calculation above. Fix this and the fallout in another + * changeset. + */ + ui_browser__refresh_dimensions(browser); +} + +static void hist_browser__reset(struct hist_browser *browser) +{ + /* + * The hists__remove_entry_filter() already folds non-filtered + * entries so we can assume it has 0 callchain rows. + */ + browser->nr_callchain_rows = 0; + + hist_browser__update_nr_entries(browser); + browser->b.nr_entries = hist_browser__nr_entries(browser); + hist_browser__refresh_dimensions(&browser->b); + ui_browser__reset_index(&browser->b); +} + +static char tree__folded_sign(bool unfolded) +{ + return unfolded ? '-' : '+'; +} + +static char hist_entry__folded(const struct hist_entry *he) +{ + return he->has_children ? tree__folded_sign(he->unfolded) : ' '; +} + +static char callchain_list__folded(const struct callchain_list *cl) +{ + return cl->has_children ? tree__folded_sign(cl->unfolded) : ' '; +} + +static void callchain_list__set_folding(struct callchain_list *cl, bool unfold) +{ + cl->unfolded = unfold ? cl->has_children : false; +} + +static int callchain_node__count_rows_rb_tree(struct callchain_node *node) +{ + int n = 0; + struct rb_node *nd; + + for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) { + struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); + struct callchain_list *chain; + char folded_sign = ' '; /* No children */ + + list_for_each_entry(chain, &child->val, list) { + ++n; + + /* We need this because we may not have children */ + folded_sign = callchain_list__folded(chain); + if (folded_sign == '+') + break; + } + + if (folded_sign == '-') /* Have children and they're unfolded */ + n += callchain_node__count_rows_rb_tree(child); + } + + return n; +} + +static int callchain_node__count_flat_rows(struct callchain_node *node) +{ + struct callchain_list *chain; + char folded_sign = 0; + int n = 0; + + list_for_each_entry(chain, &node->parent_val, list) { + if (!folded_sign) { + /* only check first chain list entry */ + folded_sign = callchain_list__folded(chain); + if (folded_sign == '+') + return 1; + } + n++; + } + + list_for_each_entry(chain, &node->val, list) { + if (!folded_sign) { + /* node->parent_val list might be empty */ + folded_sign = callchain_list__folded(chain); + if (folded_sign == '+') + return 1; + } + n++; + } + + return n; +} + +static int callchain_node__count_folded_rows(struct callchain_node *node __maybe_unused) +{ + return 1; +} + +static int callchain_node__count_rows(struct callchain_node *node) +{ + struct callchain_list *chain; + bool unfolded = false; + int n = 0; + + if (callchain_param.mode == CHAIN_FLAT) + return callchain_node__count_flat_rows(node); + else if (callchain_param.mode == CHAIN_FOLDED) + return callchain_node__count_folded_rows(node); + + list_for_each_entry(chain, &node->val, list) { + ++n; + + unfolded = chain->unfolded; + } + + if (unfolded) + n += callchain_node__count_rows_rb_tree(node); + + return n; +} + +static int callchain__count_rows(struct rb_root *chain) +{ + struct rb_node *nd; + int n = 0; + + for (nd = rb_first(chain); nd; nd = rb_next(nd)) { + struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); + n += callchain_node__count_rows(node); + } + + return n; +} + +static int hierarchy_count_rows(struct hist_browser *hb, struct hist_entry *he, + bool include_children) +{ + int count = 0; + struct rb_node *node; + struct hist_entry *child; + + if (he->leaf) + return callchain__count_rows(&he->sorted_chain); + + if (he->has_no_entry) + return 1; + + node = rb_first_cached(&he->hroot_out); + while (node) { + float percent; + + child = rb_entry(node, struct hist_entry, rb_node); + percent = hist_entry__get_percent_limit(child); + + if (!child->filtered && percent >= hb->min_pcnt) { + count++; + + if (include_children && child->unfolded) + count += hierarchy_count_rows(hb, child, true); + } + + node = rb_next(node); + } + return count; +} + +static bool hist_entry__toggle_fold(struct hist_entry *he) +{ + if (!he) + return false; + + if (!he->has_children) + return false; + + he->unfolded = !he->unfolded; + return true; +} + +static bool callchain_list__toggle_fold(struct callchain_list *cl) +{ + if (!cl) + return false; + + if (!cl->has_children) + return false; + + cl->unfolded = !cl->unfolded; + return true; +} + +static void callchain_node__init_have_children_rb_tree(struct callchain_node *node) +{ + struct rb_node *nd = rb_first(&node->rb_root); + + for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) { + struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); + struct callchain_list *chain; + bool first = true; + + list_for_each_entry(chain, &child->val, list) { + if (first) { + first = false; + chain->has_children = chain->list.next != &child->val || + !RB_EMPTY_ROOT(&child->rb_root); + } else + chain->has_children = chain->list.next == &child->val && + !RB_EMPTY_ROOT(&child->rb_root); + } + + callchain_node__init_have_children_rb_tree(child); + } +} + +static void callchain_node__init_have_children(struct callchain_node *node, + bool has_sibling) +{ + struct callchain_list *chain; + + chain = list_entry(node->val.next, struct callchain_list, list); + chain->has_children = has_sibling; + + if (!list_empty(&node->val)) { + chain = list_entry(node->val.prev, struct callchain_list, list); + chain->has_children = !RB_EMPTY_ROOT(&node->rb_root); + } + + callchain_node__init_have_children_rb_tree(node); +} + +static void callchain__init_have_children(struct rb_root *root) +{ + struct rb_node *nd = rb_first(root); + bool has_sibling = nd && rb_next(nd); + + for (nd = rb_first(root); nd; nd = rb_next(nd)) { + struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); + callchain_node__init_have_children(node, has_sibling); + if (callchain_param.mode == CHAIN_FLAT || + callchain_param.mode == CHAIN_FOLDED) + callchain_node__make_parent_list(node); + } +} + +static void hist_entry__init_have_children(struct hist_entry *he) +{ + if (he->init_have_children) + return; + + if (he->leaf) { + he->has_children = !RB_EMPTY_ROOT(&he->sorted_chain); + callchain__init_have_children(&he->sorted_chain); + } else { + he->has_children = !RB_EMPTY_ROOT(&he->hroot_out.rb_root); + } + + he->init_have_children = true; +} + +static bool hist_browser__selection_has_children(struct hist_browser *browser) +{ + struct hist_entry *he = browser->he_selection; + struct map_symbol *ms = browser->selection; + + if (!he || !ms) + return false; + + if (ms == &he->ms) + return he->has_children; + + return container_of(ms, struct callchain_list, ms)->has_children; +} + +static bool hist_browser__selection_unfolded(struct hist_browser *browser) +{ + struct hist_entry *he = browser->he_selection; + struct map_symbol *ms = browser->selection; + + if (!he || !ms) + return false; + + if (ms == &he->ms) + return he->unfolded; + + return container_of(ms, struct callchain_list, ms)->unfolded; +} + +static char *hist_browser__selection_sym_name(struct hist_browser *browser, char *bf, size_t size) +{ + struct hist_entry *he = browser->he_selection; + struct map_symbol *ms = browser->selection; + struct callchain_list *callchain_entry; + + if (!he || !ms) + return NULL; + + if (ms == &he->ms) { + hist_entry__sym_snprintf(he, bf, size, 0); + return bf + 4; // skip the level, e.g. '[k] ' + } + + callchain_entry = container_of(ms, struct callchain_list, ms); + return callchain_list__sym_name(callchain_entry, bf, size, browser->show_dso); +} + +static bool hist_browser__toggle_fold(struct hist_browser *browser) +{ + struct hist_entry *he = browser->he_selection; + struct map_symbol *ms = browser->selection; + struct callchain_list *cl = container_of(ms, struct callchain_list, ms); + bool has_children; + + if (!he || !ms) + return false; + + if (ms == &he->ms) + has_children = hist_entry__toggle_fold(he); + else + has_children = callchain_list__toggle_fold(cl); + + if (has_children) { + int child_rows = 0; + + hist_entry__init_have_children(he); + browser->b.nr_entries -= he->nr_rows; + + if (he->leaf) + browser->nr_callchain_rows -= he->nr_rows; + else + browser->nr_hierarchy_entries -= he->nr_rows; + + if (symbol_conf.report_hierarchy) + child_rows = hierarchy_count_rows(browser, he, true); + + if (he->unfolded) { + if (he->leaf) + he->nr_rows = callchain__count_rows( + &he->sorted_chain); + else + he->nr_rows = hierarchy_count_rows(browser, he, false); + + /* account grand children */ + if (symbol_conf.report_hierarchy) + browser->b.nr_entries += child_rows - he->nr_rows; + + if (!he->leaf && he->nr_rows == 0) { + he->has_no_entry = true; + he->nr_rows = 1; + } + } else { + if (symbol_conf.report_hierarchy) + browser->b.nr_entries -= child_rows - he->nr_rows; + + if (he->has_no_entry) + he->has_no_entry = false; + + he->nr_rows = 0; + } + + browser->b.nr_entries += he->nr_rows; + + if (he->leaf) + browser->nr_callchain_rows += he->nr_rows; + else + browser->nr_hierarchy_entries += he->nr_rows; + + return true; + } + + /* If it doesn't have children, no toggling performed */ + return false; +} + +static int callchain_node__set_folding_rb_tree(struct callchain_node *node, bool unfold) +{ + int n = 0; + struct rb_node *nd; + + for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) { + struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); + struct callchain_list *chain; + bool has_children = false; + + list_for_each_entry(chain, &child->val, list) { + ++n; + callchain_list__set_folding(chain, unfold); + has_children = chain->has_children; + } + + if (has_children) + n += callchain_node__set_folding_rb_tree(child, unfold); + } + + return n; +} + +static int callchain_node__set_folding(struct callchain_node *node, bool unfold) +{ + struct callchain_list *chain; + bool has_children = false; + int n = 0; + + list_for_each_entry(chain, &node->val, list) { + ++n; + callchain_list__set_folding(chain, unfold); + has_children = chain->has_children; + } + + if (has_children) + n += callchain_node__set_folding_rb_tree(node, unfold); + + return n; +} + +static int callchain__set_folding(struct rb_root *chain, bool unfold) +{ + struct rb_node *nd; + int n = 0; + + for (nd = rb_first(chain); nd; nd = rb_next(nd)) { + struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); + n += callchain_node__set_folding(node, unfold); + } + + return n; +} + +static int hierarchy_set_folding(struct hist_browser *hb, struct hist_entry *he, + bool unfold __maybe_unused) +{ + float percent; + struct rb_node *nd; + struct hist_entry *child; + int n = 0; + + for (nd = rb_first_cached(&he->hroot_out); nd; nd = rb_next(nd)) { + child = rb_entry(nd, struct hist_entry, rb_node); + percent = hist_entry__get_percent_limit(child); + if (!child->filtered && percent >= hb->min_pcnt) + n++; + } + + return n; +} + +static void hist_entry__set_folding(struct hist_entry *he, + struct hist_browser *hb, bool unfold) +{ + hist_entry__init_have_children(he); + he->unfolded = unfold ? he->has_children : false; + + if (he->has_children) { + int n; + + if (he->leaf) + n = callchain__set_folding(&he->sorted_chain, unfold); + else + n = hierarchy_set_folding(hb, he, unfold); + + he->nr_rows = unfold ? n : 0; + } else + he->nr_rows = 0; +} + +static void +__hist_browser__set_folding(struct hist_browser *browser, bool unfold) +{ + struct rb_node *nd; + struct hist_entry *he; + double percent; + + nd = rb_first_cached(&browser->hists->entries); + while (nd) { + he = rb_entry(nd, struct hist_entry, rb_node); + + /* set folding state even if it's currently folded */ + nd = __rb_hierarchy_next(nd, HMD_FORCE_CHILD); + + hist_entry__set_folding(he, browser, unfold); + + percent = hist_entry__get_percent_limit(he); + if (he->filtered || percent < browser->min_pcnt) + continue; + + if (!he->depth || unfold) + browser->nr_hierarchy_entries++; + if (he->leaf) + browser->nr_callchain_rows += he->nr_rows; + else if (unfold && !hist_entry__has_hierarchy_children(he, browser->min_pcnt)) { + browser->nr_hierarchy_entries++; + he->has_no_entry = true; + he->nr_rows = 1; + } else + he->has_no_entry = false; + } +} + +static void hist_browser__set_folding(struct hist_browser *browser, bool unfold) +{ + browser->nr_hierarchy_entries = 0; + browser->nr_callchain_rows = 0; + __hist_browser__set_folding(browser, unfold); + + browser->b.nr_entries = hist_browser__nr_entries(browser); + /* Go to the start, we may be way after valid entries after a collapse */ + ui_browser__reset_index(&browser->b); +} + +static void hist_browser__set_folding_selected(struct hist_browser *browser, bool unfold) +{ + if (!browser->he_selection) + return; + + if (unfold == browser->he_selection->unfolded) + return; + + hist_browser__toggle_fold(browser); +} + +static void ui_browser__warn_lost_events(struct ui_browser *browser) +{ + ui_browser__warning(browser, 4, + "Events are being lost, check IO/CPU overload!\n\n" + "You may want to run 'perf' using a RT scheduler policy:\n\n" + " perf top -r 80\n\n" + "Or reduce the sampling frequency."); +} + +static int hist_browser__title(struct hist_browser *browser, char *bf, size_t size) +{ + return browser->title ? browser->title(browser, bf, size) : 0; +} + +static int hist_browser__handle_hotkey(struct hist_browser *browser, bool warn_lost_event, char *title, size_t size, int key) +{ + switch (key) { + case K_TIMER: { + struct hist_browser_timer *hbt = browser->hbt; + struct evsel *evsel = hists_to_evsel(browser->hists); + u64 nr_entries; + + WARN_ON_ONCE(!hbt); + + if (hbt) + hbt->timer(hbt->arg); + + if (hist_browser__has_filter(browser) || symbol_conf.report_hierarchy) + hist_browser__update_nr_entries(browser); + + nr_entries = hist_browser__nr_entries(browser); + ui_browser__update_nr_entries(&browser->b, nr_entries); + + if (warn_lost_event && + (evsel->evlist->stats.nr_lost_warned != + evsel->evlist->stats.nr_events[PERF_RECORD_LOST])) { + evsel->evlist->stats.nr_lost_warned = + evsel->evlist->stats.nr_events[PERF_RECORD_LOST]; + ui_browser__warn_lost_events(&browser->b); + } + + hist_browser__title(browser, title, size); + ui_browser__show_title(&browser->b, title); + break; + } + case 'D': { /* Debug */ + struct hist_entry *h = rb_entry(browser->b.top, struct hist_entry, rb_node); + static int seq; + + ui_helpline__pop(); + ui_helpline__fpush("%d: nr_ent=(%d,%d), etl: %d, rows=%d, idx=%d, fve: idx=%d, row_off=%d, nrows=%d", + seq++, browser->b.nr_entries, browser->hists->nr_entries, + browser->b.extra_title_lines, browser->b.rows, + browser->b.index, browser->b.top_idx, h->row_offset, h->nr_rows); + } + break; + case 'C': + /* Collapse the whole world. */ + hist_browser__set_folding(browser, false); + break; + case 'c': + /* Collapse the selected entry. */ + hist_browser__set_folding_selected(browser, false); + break; + case 'E': + /* Expand the whole world. */ + hist_browser__set_folding(browser, true); + break; + case 'e': + /* Toggle expand/collapse the selected entry. */ + hist_browser__toggle_fold(browser); + break; + case 'H': + browser->show_headers = !browser->show_headers; + hist_browser__update_rows(browser); + break; + case '+': + if (hist_browser__toggle_fold(browser)) + break; + /* fall thru */ + default: + return -1; + } + + return 0; +} + +int hist_browser__run(struct hist_browser *browser, const char *help, + bool warn_lost_event, int key) +{ + char title[160]; + struct hist_browser_timer *hbt = browser->hbt; + int delay_secs = hbt ? hbt->refresh : 0; + + browser->b.entries = &browser->hists->entries; + browser->b.nr_entries = hist_browser__nr_entries(browser); + + hist_browser__title(browser, title, sizeof(title)); + + if (ui_browser__show(&browser->b, title, "%s", help) < 0) + return -1; + + if (key && hist_browser__handle_hotkey(browser, warn_lost_event, title, sizeof(title), key)) + goto out; + + while (1) { + key = ui_browser__run(&browser->b, delay_secs); + + if (hist_browser__handle_hotkey(browser, warn_lost_event, title, sizeof(title), key)) + break; + } +out: + ui_browser__hide(&browser->b); + return key; +} + +struct callchain_print_arg { + /* for hists browser */ + off_t row_offset; + bool is_current_entry; + + /* for file dump */ + FILE *fp; + int printed; +}; + +typedef void (*print_callchain_entry_fn)(struct hist_browser *browser, + struct callchain_list *chain, + const char *str, int offset, + unsigned short row, + struct callchain_print_arg *arg); + +static void hist_browser__show_callchain_entry(struct hist_browser *browser, + struct callchain_list *chain, + const char *str, int offset, + unsigned short row, + struct callchain_print_arg *arg) +{ + int color, width; + char folded_sign = callchain_list__folded(chain); + bool show_annotated = browser->show_dso && chain->ms.sym && symbol__annotation(chain->ms.sym)->src; + + color = HE_COLORSET_NORMAL; + width = browser->b.width - (offset + 2); + if (ui_browser__is_current_entry(&browser->b, row)) { + browser->selection = &chain->ms; + color = HE_COLORSET_SELECTED; + arg->is_current_entry = true; + } + + ui_browser__set_color(&browser->b, color); + ui_browser__gotorc(&browser->b, row, 0); + ui_browser__write_nstring(&browser->b, " ", offset); + ui_browser__printf(&browser->b, "%c", folded_sign); + ui_browser__write_graph(&browser->b, show_annotated ? SLSMG_RARROW_CHAR : ' '); + ui_browser__write_nstring(&browser->b, str, width); +} + +static void hist_browser__fprintf_callchain_entry(struct hist_browser *b __maybe_unused, + struct callchain_list *chain, + const char *str, int offset, + unsigned short row __maybe_unused, + struct callchain_print_arg *arg) +{ + char folded_sign = callchain_list__folded(chain); + + arg->printed += fprintf(arg->fp, "%*s%c %s\n", offset, " ", + folded_sign, str); +} + +typedef bool (*check_output_full_fn)(struct hist_browser *browser, + unsigned short row); + +static bool hist_browser__check_output_full(struct hist_browser *browser, + unsigned short row) +{ + return browser->b.rows == row; +} + +static bool hist_browser__check_dump_full(struct hist_browser *browser __maybe_unused, + unsigned short row __maybe_unused) +{ + return false; +} + +#define LEVEL_OFFSET_STEP 3 + +static int hist_browser__show_callchain_list(struct hist_browser *browser, + struct callchain_node *node, + struct callchain_list *chain, + unsigned short row, u64 total, + bool need_percent, int offset, + print_callchain_entry_fn print, + struct callchain_print_arg *arg) +{ + char bf[1024], *alloc_str; + char buf[64], *alloc_str2; + const char *str; + int ret = 1; + + if (arg->row_offset != 0) { + arg->row_offset--; + return 0; + } + + alloc_str = NULL; + alloc_str2 = NULL; + + str = callchain_list__sym_name(chain, bf, sizeof(bf), + browser->show_dso); + + if (symbol_conf.show_branchflag_count) { + callchain_list_counts__printf_value(chain, NULL, + buf, sizeof(buf)); + + if (asprintf(&alloc_str2, "%s%s", str, buf) < 0) + str = "Not enough memory!"; + else + str = alloc_str2; + } + + if (need_percent) { + callchain_node__scnprintf_value(node, buf, sizeof(buf), + total); + + if (asprintf(&alloc_str, "%s %s", buf, str) < 0) + str = "Not enough memory!"; + else + str = alloc_str; + } + + print(browser, chain, str, offset, row, arg); + free(alloc_str); + free(alloc_str2); + + return ret; +} + +static bool check_percent_display(struct rb_node *node, u64 parent_total) +{ + struct callchain_node *child; + + if (node == NULL) + return false; + + if (rb_next(node)) + return true; + + child = rb_entry(node, struct callchain_node, rb_node); + return callchain_cumul_hits(child) != parent_total; +} + +static int hist_browser__show_callchain_flat(struct hist_browser *browser, + struct rb_root *root, + unsigned short row, u64 total, + u64 parent_total, + print_callchain_entry_fn print, + struct callchain_print_arg *arg, + check_output_full_fn is_output_full) +{ + struct rb_node *node; + int first_row = row, offset = LEVEL_OFFSET_STEP; + bool need_percent; + + node = rb_first(root); + need_percent = check_percent_display(node, parent_total); + + while (node) { + struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node); + struct rb_node *next = rb_next(node); + struct callchain_list *chain; + char folded_sign = ' '; + int first = true; + int extra_offset = 0; + + list_for_each_entry(chain, &child->parent_val, list) { + bool was_first = first; + + if (first) + first = false; + else if (need_percent) + extra_offset = LEVEL_OFFSET_STEP; + + folded_sign = callchain_list__folded(chain); + + row += hist_browser__show_callchain_list(browser, child, + chain, row, total, + was_first && need_percent, + offset + extra_offset, + print, arg); + + if (is_output_full(browser, row)) + goto out; + + if (folded_sign == '+') + goto next; + } + + list_for_each_entry(chain, &child->val, list) { + bool was_first = first; + + if (first) + first = false; + else if (need_percent) + extra_offset = LEVEL_OFFSET_STEP; + + folded_sign = callchain_list__folded(chain); + + row += hist_browser__show_callchain_list(browser, child, + chain, row, total, + was_first && need_percent, + offset + extra_offset, + print, arg); + + if (is_output_full(browser, row)) + goto out; + + if (folded_sign == '+') + break; + } + +next: + if (is_output_full(browser, row)) + break; + node = next; + } +out: + return row - first_row; +} + +static char *hist_browser__folded_callchain_str(struct hist_browser *browser, + struct callchain_list *chain, + char *value_str, char *old_str) +{ + char bf[1024]; + const char *str; + char *new; + + str = callchain_list__sym_name(chain, bf, sizeof(bf), + browser->show_dso); + if (old_str) { + if (asprintf(&new, "%s%s%s", old_str, + symbol_conf.field_sep ?: ";", str) < 0) + new = NULL; + } else { + if (value_str) { + if (asprintf(&new, "%s %s", value_str, str) < 0) + new = NULL; + } else { + if (asprintf(&new, "%s", str) < 0) + new = NULL; + } + } + return new; +} + +static int hist_browser__show_callchain_folded(struct hist_browser *browser, + struct rb_root *root, + unsigned short row, u64 total, + u64 parent_total, + print_callchain_entry_fn print, + struct callchain_print_arg *arg, + check_output_full_fn is_output_full) +{ + struct rb_node *node; + int first_row = row, offset = LEVEL_OFFSET_STEP; + bool need_percent; + + node = rb_first(root); + need_percent = check_percent_display(node, parent_total); + + while (node) { + struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node); + struct rb_node *next = rb_next(node); + struct callchain_list *chain, *first_chain = NULL; + int first = true; + char *value_str = NULL, *value_str_alloc = NULL; + char *chain_str = NULL, *chain_str_alloc = NULL; + + if (arg->row_offset != 0) { + arg->row_offset--; + goto next; + } + + if (need_percent) { + char buf[64]; + + callchain_node__scnprintf_value(child, buf, sizeof(buf), total); + if (asprintf(&value_str, "%s", buf) < 0) { + value_str = (char *)"<...>"; + goto do_print; + } + value_str_alloc = value_str; + } + + list_for_each_entry(chain, &child->parent_val, list) { + chain_str = hist_browser__folded_callchain_str(browser, + chain, value_str, chain_str); + if (first) { + first = false; + first_chain = chain; + } + + if (chain_str == NULL) { + chain_str = (char *)"Not enough memory!"; + goto do_print; + } + + chain_str_alloc = chain_str; + } + + list_for_each_entry(chain, &child->val, list) { + chain_str = hist_browser__folded_callchain_str(browser, + chain, value_str, chain_str); + if (first) { + first = false; + first_chain = chain; + } + + if (chain_str == NULL) { + chain_str = (char *)"Not enough memory!"; + goto do_print; + } + + chain_str_alloc = chain_str; + } + +do_print: + print(browser, first_chain, chain_str, offset, row++, arg); + free(value_str_alloc); + free(chain_str_alloc); + +next: + if (is_output_full(browser, row)) + break; + node = next; + } + + return row - first_row; +} + +static int hist_browser__show_callchain_graph(struct hist_browser *browser, + struct rb_root *root, int level, + unsigned short row, u64 total, + u64 parent_total, + print_callchain_entry_fn print, + struct callchain_print_arg *arg, + check_output_full_fn is_output_full) +{ + struct rb_node *node; + int first_row = row, offset = level * LEVEL_OFFSET_STEP; + bool need_percent; + u64 percent_total = total; + + if (callchain_param.mode == CHAIN_GRAPH_REL) + percent_total = parent_total; + + node = rb_first(root); + need_percent = check_percent_display(node, parent_total); + + while (node) { + struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node); + struct rb_node *next = rb_next(node); + struct callchain_list *chain; + char folded_sign = ' '; + int first = true; + int extra_offset = 0; + + list_for_each_entry(chain, &child->val, list) { + bool was_first = first; + + if (first) + first = false; + else if (need_percent) + extra_offset = LEVEL_OFFSET_STEP; + + folded_sign = callchain_list__folded(chain); + + row += hist_browser__show_callchain_list(browser, child, + chain, row, percent_total, + was_first && need_percent, + offset + extra_offset, + print, arg); + + if (is_output_full(browser, row)) + goto out; + + if (folded_sign == '+') + break; + } + + if (folded_sign == '-') { + const int new_level = level + (extra_offset ? 2 : 1); + + row += hist_browser__show_callchain_graph(browser, &child->rb_root, + new_level, row, total, + child->children_hit, + print, arg, is_output_full); + } + if (is_output_full(browser, row)) + break; + node = next; + } +out: + return row - first_row; +} + +static int hist_browser__show_callchain(struct hist_browser *browser, + struct hist_entry *entry, int level, + unsigned short row, + print_callchain_entry_fn print, + struct callchain_print_arg *arg, + check_output_full_fn is_output_full) +{ + u64 total = hists__total_period(entry->hists); + u64 parent_total; + int printed; + + if (symbol_conf.cumulate_callchain) + parent_total = entry->stat_acc->period; + else + parent_total = entry->stat.period; + + if (callchain_param.mode == CHAIN_FLAT) { + printed = hist_browser__show_callchain_flat(browser, + &entry->sorted_chain, row, + total, parent_total, print, arg, + is_output_full); + } else if (callchain_param.mode == CHAIN_FOLDED) { + printed = hist_browser__show_callchain_folded(browser, + &entry->sorted_chain, row, + total, parent_total, print, arg, + is_output_full); + } else { + printed = hist_browser__show_callchain_graph(browser, + &entry->sorted_chain, level, row, + total, parent_total, print, arg, + is_output_full); + } + + if (arg->is_current_entry) + browser->he_selection = entry; + + return printed; +} + +struct hpp_arg { + struct ui_browser *b; + char folded_sign; + bool current_entry; +}; + +int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...) +{ + struct hpp_arg *arg = hpp->ptr; + int ret, len; + va_list args; + double percent; + + va_start(args, fmt); + len = va_arg(args, int); + percent = va_arg(args, double); + va_end(args); + + ui_browser__set_percent_color(arg->b, percent, arg->current_entry); + + ret = scnprintf(hpp->buf, hpp->size, fmt, len, percent); + ui_browser__printf(arg->b, "%s", hpp->buf); + + return ret; +} + +#define __HPP_COLOR_PERCENT_FN(_type, _field) \ +static u64 __hpp_get_##_field(struct hist_entry *he) \ +{ \ + return he->stat._field; \ +} \ + \ +static int \ +hist_browser__hpp_color_##_type(struct perf_hpp_fmt *fmt, \ + struct perf_hpp *hpp, \ + struct hist_entry *he) \ +{ \ + return hpp__fmt(fmt, hpp, he, __hpp_get_##_field, " %*.2f%%", \ + __hpp__slsmg_color_printf, true); \ +} + +#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \ +static u64 __hpp_get_acc_##_field(struct hist_entry *he) \ +{ \ + return he->stat_acc->_field; \ +} \ + \ +static int \ +hist_browser__hpp_color_##_type(struct perf_hpp_fmt *fmt, \ + struct perf_hpp *hpp, \ + struct hist_entry *he) \ +{ \ + if (!symbol_conf.cumulate_callchain) { \ + struct hpp_arg *arg = hpp->ptr; \ + int len = fmt->user_len ?: fmt->len; \ + int ret = scnprintf(hpp->buf, hpp->size, \ + "%*s", len, "N/A"); \ + ui_browser__printf(arg->b, "%s", hpp->buf); \ + \ + return ret; \ + } \ + return hpp__fmt(fmt, hpp, he, __hpp_get_acc_##_field, \ + " %*.2f%%", __hpp__slsmg_color_printf, true); \ +} + +__HPP_COLOR_PERCENT_FN(overhead, period) +__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys) +__HPP_COLOR_PERCENT_FN(overhead_us, period_us) +__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys) +__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us) +__HPP_COLOR_ACC_PERCENT_FN(overhead_acc, period) + +#undef __HPP_COLOR_PERCENT_FN +#undef __HPP_COLOR_ACC_PERCENT_FN + +void hist_browser__init_hpp(void) +{ + perf_hpp__format[PERF_HPP__OVERHEAD].color = + hist_browser__hpp_color_overhead; + perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color = + hist_browser__hpp_color_overhead_sys; + perf_hpp__format[PERF_HPP__OVERHEAD_US].color = + hist_browser__hpp_color_overhead_us; + perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color = + hist_browser__hpp_color_overhead_guest_sys; + perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color = + hist_browser__hpp_color_overhead_guest_us; + perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color = + hist_browser__hpp_color_overhead_acc; + + res_sample_init(); +} + +static int hist_browser__show_entry(struct hist_browser *browser, + struct hist_entry *entry, + unsigned short row) +{ + int printed = 0; + int width = browser->b.width; + char folded_sign = ' '; + bool current_entry = ui_browser__is_current_entry(&browser->b, row); + bool use_callchain = hist_entry__has_callchains(entry) && symbol_conf.use_callchain; + off_t row_offset = entry->row_offset; + bool first = true; + struct perf_hpp_fmt *fmt; + + if (current_entry) { + browser->he_selection = entry; + browser->selection = &entry->ms; + } + + if (use_callchain) { + hist_entry__init_have_children(entry); + folded_sign = hist_entry__folded(entry); + } + + if (row_offset == 0) { + struct hpp_arg arg = { + .b = &browser->b, + .folded_sign = folded_sign, + .current_entry = current_entry, + }; + int column = 0; + + ui_browser__gotorc(&browser->b, row, 0); + + hists__for_each_format(browser->hists, fmt) { + char s[2048]; + struct perf_hpp hpp = { + .buf = s, + .size = sizeof(s), + .ptr = &arg, + }; + + if (perf_hpp__should_skip(fmt, entry->hists) || + column++ < browser->b.horiz_scroll) + continue; + + if (current_entry && browser->b.navkeypressed) { + ui_browser__set_color(&browser->b, + HE_COLORSET_SELECTED); + } else { + ui_browser__set_color(&browser->b, + HE_COLORSET_NORMAL); + } + + if (first) { + if (use_callchain) { + ui_browser__printf(&browser->b, "%c ", folded_sign); + width -= 2; + } + first = false; + } else { + ui_browser__printf(&browser->b, " "); + width -= 2; + } + + if (fmt->color) { + int ret = fmt->color(fmt, &hpp, entry); + hist_entry__snprintf_alignment(entry, &hpp, fmt, ret); + /* + * fmt->color() already used ui_browser to + * print the non alignment bits, skip it (+ret): + */ + ui_browser__printf(&browser->b, "%s", s + ret); + } else { + hist_entry__snprintf_alignment(entry, &hpp, fmt, fmt->entry(fmt, &hpp, entry)); + ui_browser__printf(&browser->b, "%s", s); + } + width -= hpp.buf - s; + } + + /* The scroll bar isn't being used */ + if (!browser->b.navkeypressed) + width += 1; + + ui_browser__write_nstring(&browser->b, "", width); + + ++row; + ++printed; + } else + --row_offset; + + if (folded_sign == '-' && row != browser->b.rows) { + struct callchain_print_arg arg = { + .row_offset = row_offset, + .is_current_entry = current_entry, + }; + + printed += hist_browser__show_callchain(browser, + entry, 1, row, + hist_browser__show_callchain_entry, + &arg, + hist_browser__check_output_full); + } + + return printed; +} + +static int hist_browser__show_hierarchy_entry(struct hist_browser *browser, + struct hist_entry *entry, + unsigned short row, + int level) +{ + int printed = 0; + int width = browser->b.width; + char folded_sign = ' '; + bool current_entry = ui_browser__is_current_entry(&browser->b, row); + off_t row_offset = entry->row_offset; + bool first = true; + struct perf_hpp_fmt *fmt; + struct perf_hpp_list_node *fmt_node; + struct hpp_arg arg = { + .b = &browser->b, + .current_entry = current_entry, + }; + int column = 0; + int hierarchy_indent = (entry->hists->nr_hpp_node - 2) * HIERARCHY_INDENT; + + if (current_entry) { + browser->he_selection = entry; + browser->selection = &entry->ms; + } + + hist_entry__init_have_children(entry); + folded_sign = hist_entry__folded(entry); + arg.folded_sign = folded_sign; + + if (entry->leaf && row_offset) { + row_offset--; + goto show_callchain; + } + + ui_browser__gotorc(&browser->b, row, 0); + + if (current_entry && browser->b.navkeypressed) + ui_browser__set_color(&browser->b, HE_COLORSET_SELECTED); + else + ui_browser__set_color(&browser->b, HE_COLORSET_NORMAL); + + ui_browser__write_nstring(&browser->b, "", level * HIERARCHY_INDENT); + width -= level * HIERARCHY_INDENT; + + /* the first hpp_list_node is for overhead columns */ + fmt_node = list_first_entry(&entry->hists->hpp_formats, + struct perf_hpp_list_node, list); + perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) { + char s[2048]; + struct perf_hpp hpp = { + .buf = s, + .size = sizeof(s), + .ptr = &arg, + }; + + if (perf_hpp__should_skip(fmt, entry->hists) || + column++ < browser->b.horiz_scroll) + continue; + + if (current_entry && browser->b.navkeypressed) { + ui_browser__set_color(&browser->b, + HE_COLORSET_SELECTED); + } else { + ui_browser__set_color(&browser->b, + HE_COLORSET_NORMAL); + } + + if (first) { + ui_browser__printf(&browser->b, "%c ", folded_sign); + width -= 2; + first = false; + } else { + ui_browser__printf(&browser->b, " "); + width -= 2; + } + + if (fmt->color) { + int ret = fmt->color(fmt, &hpp, entry); + hist_entry__snprintf_alignment(entry, &hpp, fmt, ret); + /* + * fmt->color() already used ui_browser to + * print the non alignment bits, skip it (+ret): + */ + ui_browser__printf(&browser->b, "%s", s + ret); + } else { + int ret = fmt->entry(fmt, &hpp, entry); + hist_entry__snprintf_alignment(entry, &hpp, fmt, ret); + ui_browser__printf(&browser->b, "%s", s); + } + width -= hpp.buf - s; + } + + if (!first) { + ui_browser__write_nstring(&browser->b, "", hierarchy_indent); + width -= hierarchy_indent; + } + + if (column >= browser->b.horiz_scroll) { + char s[2048]; + struct perf_hpp hpp = { + .buf = s, + .size = sizeof(s), + .ptr = &arg, + }; + + if (current_entry && browser->b.navkeypressed) { + ui_browser__set_color(&browser->b, + HE_COLORSET_SELECTED); + } else { + ui_browser__set_color(&browser->b, + HE_COLORSET_NORMAL); + } + + perf_hpp_list__for_each_format(entry->hpp_list, fmt) { + if (first) { + ui_browser__printf(&browser->b, "%c ", folded_sign); + first = false; + } else { + ui_browser__write_nstring(&browser->b, "", 2); + } + + width -= 2; + + /* + * No need to call hist_entry__snprintf_alignment() + * since this fmt is always the last column in the + * hierarchy mode. + */ + if (fmt->color) { + width -= fmt->color(fmt, &hpp, entry); + } else { + int i = 0; + + width -= fmt->entry(fmt, &hpp, entry); + ui_browser__printf(&browser->b, "%s", skip_spaces(s)); + + while (isspace(s[i++])) + width++; + } + } + } + + /* The scroll bar isn't being used */ + if (!browser->b.navkeypressed) + width += 1; + + ui_browser__write_nstring(&browser->b, "", width); + + ++row; + ++printed; + +show_callchain: + if (entry->leaf && folded_sign == '-' && row != browser->b.rows) { + struct callchain_print_arg carg = { + .row_offset = row_offset, + }; + + printed += hist_browser__show_callchain(browser, entry, + level + 1, row, + hist_browser__show_callchain_entry, &carg, + hist_browser__check_output_full); + } + + return printed; +} + +static int hist_browser__show_no_entry(struct hist_browser *browser, + unsigned short row, int level) +{ + int width = browser->b.width; + bool current_entry = ui_browser__is_current_entry(&browser->b, row); + bool first = true; + int column = 0; + int ret; + struct perf_hpp_fmt *fmt; + struct perf_hpp_list_node *fmt_node; + int indent = browser->hists->nr_hpp_node - 2; + + if (current_entry) { + browser->he_selection = NULL; + browser->selection = NULL; + } + + ui_browser__gotorc(&browser->b, row, 0); + + if (current_entry && browser->b.navkeypressed) + ui_browser__set_color(&browser->b, HE_COLORSET_SELECTED); + else + ui_browser__set_color(&browser->b, HE_COLORSET_NORMAL); + + ui_browser__write_nstring(&browser->b, "", level * HIERARCHY_INDENT); + width -= level * HIERARCHY_INDENT; + + /* the first hpp_list_node is for overhead columns */ + fmt_node = list_first_entry(&browser->hists->hpp_formats, + struct perf_hpp_list_node, list); + perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) { + if (perf_hpp__should_skip(fmt, browser->hists) || + column++ < browser->b.horiz_scroll) + continue; + + ret = fmt->width(fmt, NULL, browser->hists); + + if (first) { + /* for folded sign */ + first = false; + ret++; + } else { + /* space between columns */ + ret += 2; + } + + ui_browser__write_nstring(&browser->b, "", ret); + width -= ret; + } + + ui_browser__write_nstring(&browser->b, "", indent * HIERARCHY_INDENT); + width -= indent * HIERARCHY_INDENT; + + if (column >= browser->b.horiz_scroll) { + char buf[32]; + + ret = snprintf(buf, sizeof(buf), "no entry >= %.2f%%", browser->min_pcnt); + ui_browser__printf(&browser->b, " %s", buf); + width -= ret + 2; + } + + /* The scroll bar isn't being used */ + if (!browser->b.navkeypressed) + width += 1; + + ui_browser__write_nstring(&browser->b, "", width); + return 1; +} + +static int advance_hpp_check(struct perf_hpp *hpp, int inc) +{ + advance_hpp(hpp, inc); + return hpp->size <= 0; +} + +static int +hists_browser__scnprintf_headers(struct hist_browser *browser, char *buf, + size_t size, int line) +{ + struct hists *hists = browser->hists; + struct perf_hpp dummy_hpp = { + .buf = buf, + .size = size, + }; + struct perf_hpp_fmt *fmt; + size_t ret = 0; + int column = 0; + int span = 0; + + if (hists__has_callchains(hists) && symbol_conf.use_callchain) { + ret = scnprintf(buf, size, " "); + if (advance_hpp_check(&dummy_hpp, ret)) + return ret; + } + + hists__for_each_format(browser->hists, fmt) { + if (perf_hpp__should_skip(fmt, hists) || column++ < browser->b.horiz_scroll) + continue; + + ret = fmt->header(fmt, &dummy_hpp, hists, line, &span); + if (advance_hpp_check(&dummy_hpp, ret)) + break; + + if (span) + continue; + + ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, " "); + if (advance_hpp_check(&dummy_hpp, ret)) + break; + } + + return ret; +} + +static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *browser, char *buf, size_t size) +{ + struct hists *hists = browser->hists; + struct perf_hpp dummy_hpp = { + .buf = buf, + .size = size, + }; + struct perf_hpp_fmt *fmt; + struct perf_hpp_list_node *fmt_node; + size_t ret = 0; + int column = 0; + int indent = hists->nr_hpp_node - 2; + bool first_node, first_col; + + ret = scnprintf(buf, size, " "); + if (advance_hpp_check(&dummy_hpp, ret)) + return ret; + + first_node = true; + /* the first hpp_list_node is for overhead columns */ + fmt_node = list_first_entry(&hists->hpp_formats, + struct perf_hpp_list_node, list); + perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) { + if (column++ < browser->b.horiz_scroll) + continue; + + ret = fmt->header(fmt, &dummy_hpp, hists, 0, NULL); + if (advance_hpp_check(&dummy_hpp, ret)) + break; + + ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, " "); + if (advance_hpp_check(&dummy_hpp, ret)) + break; + + first_node = false; + } + + if (!first_node) { + ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, "%*s", + indent * HIERARCHY_INDENT, ""); + if (advance_hpp_check(&dummy_hpp, ret)) + return ret; + } + + first_node = true; + list_for_each_entry_continue(fmt_node, &hists->hpp_formats, list) { + if (!first_node) { + ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, " / "); + if (advance_hpp_check(&dummy_hpp, ret)) + break; + } + first_node = false; + + first_col = true; + perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) { + char *start; + + if (perf_hpp__should_skip(fmt, hists)) + continue; + + if (!first_col) { + ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, "+"); + if (advance_hpp_check(&dummy_hpp, ret)) + break; + } + first_col = false; + + ret = fmt->header(fmt, &dummy_hpp, hists, 0, NULL); + dummy_hpp.buf[ret] = '\0'; + + start = strim(dummy_hpp.buf); + ret = strlen(start); + + if (start != dummy_hpp.buf) + memmove(dummy_hpp.buf, start, ret + 1); + + if (advance_hpp_check(&dummy_hpp, ret)) + break; + } + } + + return ret; +} + +static void hists_browser__hierarchy_headers(struct hist_browser *browser) +{ + char headers[1024]; + + hists_browser__scnprintf_hierarchy_headers(browser, headers, + sizeof(headers)); + + ui_browser__gotorc_title(&browser->b, 0, 0); + ui_browser__set_color(&browser->b, HE_COLORSET_ROOT); + ui_browser__write_nstring(&browser->b, headers, browser->b.width + 1); +} + +static void hists_browser__headers(struct hist_browser *browser) +{ + struct hists *hists = browser->hists; + struct perf_hpp_list *hpp_list = hists->hpp_list; + + int line; + + for (line = 0; line < hpp_list->nr_header_lines; line++) { + char headers[1024]; + + hists_browser__scnprintf_headers(browser, headers, + sizeof(headers), line); + + ui_browser__gotorc_title(&browser->b, line, 0); + ui_browser__set_color(&browser->b, HE_COLORSET_ROOT); + ui_browser__write_nstring(&browser->b, headers, browser->b.width + 1); + } +} + +static void hist_browser__show_headers(struct hist_browser *browser) +{ + if (symbol_conf.report_hierarchy) + hists_browser__hierarchy_headers(browser); + else + hists_browser__headers(browser); +} + +static void ui_browser__hists_init_top(struct ui_browser *browser) +{ + if (browser->top == NULL) { + struct hist_browser *hb; + + hb = container_of(browser, struct hist_browser, b); + browser->top = rb_first_cached(&hb->hists->entries); + } +} + +static unsigned int hist_browser__refresh(struct ui_browser *browser) +{ + unsigned row = 0; + struct rb_node *nd; + struct hist_browser *hb = container_of(browser, struct hist_browser, b); + + if (hb->show_headers) + hist_browser__show_headers(hb); + + ui_browser__hists_init_top(browser); + hb->he_selection = NULL; + hb->selection = NULL; + + for (nd = browser->top; nd; nd = rb_hierarchy_next(nd)) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + float percent; + + if (h->filtered) { + /* let it move to sibling */ + h->unfolded = false; + continue; + } + + if (symbol_conf.report_individual_block) + percent = block_info__total_cycles_percent(h); + else + percent = hist_entry__get_percent_limit(h); + + if (percent < hb->min_pcnt) + continue; + + if (symbol_conf.report_hierarchy) { + row += hist_browser__show_hierarchy_entry(hb, h, row, + h->depth); + if (row == browser->rows) + break; + + if (h->has_no_entry) { + hist_browser__show_no_entry(hb, row, h->depth + 1); + row++; + } + } else { + row += hist_browser__show_entry(hb, h, row); + } + + if (row == browser->rows) + break; + } + + return row; +} + +static struct rb_node *hists__filter_entries(struct rb_node *nd, + float min_pcnt) +{ + while (nd != NULL) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + float percent = hist_entry__get_percent_limit(h); + + if (!h->filtered && percent >= min_pcnt) + return nd; + + /* + * If it's filtered, its all children also were filtered. + * So move to sibling node. + */ + if (rb_next(nd)) + nd = rb_next(nd); + else + nd = rb_hierarchy_next(nd); + } + + return NULL; +} + +static struct rb_node *hists__filter_prev_entries(struct rb_node *nd, + float min_pcnt) +{ + while (nd != NULL) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + float percent = hist_entry__get_percent_limit(h); + + if (!h->filtered && percent >= min_pcnt) + return nd; + + nd = rb_hierarchy_prev(nd); + } + + return NULL; +} + +static void ui_browser__hists_seek(struct ui_browser *browser, + off_t offset, int whence) +{ + struct hist_entry *h; + struct rb_node *nd; + bool first = true; + struct hist_browser *hb; + + hb = container_of(browser, struct hist_browser, b); + + if (browser->nr_entries == 0) + return; + + ui_browser__hists_init_top(browser); + + switch (whence) { + case SEEK_SET: + nd = hists__filter_entries(rb_first(browser->entries), + hb->min_pcnt); + break; + case SEEK_CUR: + nd = browser->top; + goto do_offset; + case SEEK_END: + nd = rb_hierarchy_last(rb_last(browser->entries)); + nd = hists__filter_prev_entries(nd, hb->min_pcnt); + first = false; + break; + default: + return; + } + + /* + * Moves not relative to the first visible entry invalidates its + * row_offset: + */ + h = rb_entry(browser->top, struct hist_entry, rb_node); + h->row_offset = 0; + + /* + * Here we have to check if nd is expanded (+), if it is we can't go + * the next top level hist_entry, instead we must compute an offset of + * what _not_ to show and not change the first visible entry. + * + * This offset increments when we are going from top to bottom and + * decreases when we're going from bottom to top. + * + * As we don't have backpointers to the top level in the callchains + * structure, we need to always print the whole hist_entry callchain, + * skipping the first ones that are before the first visible entry + * and stop when we printed enough lines to fill the screen. + */ +do_offset: + if (!nd) + return; + + if (offset > 0) { + do { + h = rb_entry(nd, struct hist_entry, rb_node); + if (h->unfolded && h->leaf) { + u16 remaining = h->nr_rows - h->row_offset; + if (offset > remaining) { + offset -= remaining; + h->row_offset = 0; + } else { + h->row_offset += offset; + offset = 0; + browser->top = nd; + break; + } + } + nd = hists__filter_entries(rb_hierarchy_next(nd), + hb->min_pcnt); + if (nd == NULL) + break; + --offset; + browser->top = nd; + } while (offset != 0); + } else if (offset < 0) { + while (1) { + h = rb_entry(nd, struct hist_entry, rb_node); + if (h->unfolded && h->leaf) { + if (first) { + if (-offset > h->row_offset) { + offset += h->row_offset; + h->row_offset = 0; + } else { + h->row_offset += offset; + offset = 0; + browser->top = nd; + break; + } + } else { + if (-offset > h->nr_rows) { + offset += h->nr_rows; + h->row_offset = 0; + } else { + h->row_offset = h->nr_rows + offset; + offset = 0; + browser->top = nd; + break; + } + } + } + + nd = hists__filter_prev_entries(rb_hierarchy_prev(nd), + hb->min_pcnt); + if (nd == NULL) + break; + ++offset; + browser->top = nd; + if (offset == 0) { + /* + * Last unfiltered hist_entry, check if it is + * unfolded, if it is then we should have + * row_offset at its last entry. + */ + h = rb_entry(nd, struct hist_entry, rb_node); + if (h->unfolded && h->leaf) + h->row_offset = h->nr_rows; + break; + } + first = false; + } + } else { + browser->top = nd; + h = rb_entry(nd, struct hist_entry, rb_node); + h->row_offset = 0; + } +} + +static int hist_browser__fprintf_callchain(struct hist_browser *browser, + struct hist_entry *he, FILE *fp, + int level) +{ + struct callchain_print_arg arg = { + .fp = fp, + }; + + hist_browser__show_callchain(browser, he, level, 0, + hist_browser__fprintf_callchain_entry, &arg, + hist_browser__check_dump_full); + return arg.printed; +} + +static int hist_browser__fprintf_entry(struct hist_browser *browser, + struct hist_entry *he, FILE *fp) +{ + char s[8192]; + int printed = 0; + char folded_sign = ' '; + struct perf_hpp hpp = { + .buf = s, + .size = sizeof(s), + }; + struct perf_hpp_fmt *fmt; + bool first = true; + int ret; + + if (hist_entry__has_callchains(he) && symbol_conf.use_callchain) { + folded_sign = hist_entry__folded(he); + printed += fprintf(fp, "%c ", folded_sign); + } + + hists__for_each_format(browser->hists, fmt) { + if (perf_hpp__should_skip(fmt, he->hists)) + continue; + + if (!first) { + ret = scnprintf(hpp.buf, hpp.size, " "); + advance_hpp(&hpp, ret); + } else + first = false; + + ret = fmt->entry(fmt, &hpp, he); + ret = hist_entry__snprintf_alignment(he, &hpp, fmt, ret); + advance_hpp(&hpp, ret); + } + printed += fprintf(fp, "%s\n", s); + + if (folded_sign == '-') + printed += hist_browser__fprintf_callchain(browser, he, fp, 1); + + return printed; +} + + +static int hist_browser__fprintf_hierarchy_entry(struct hist_browser *browser, + struct hist_entry *he, + FILE *fp, int level) +{ + char s[8192]; + int printed = 0; + char folded_sign = ' '; + struct perf_hpp hpp = { + .buf = s, + .size = sizeof(s), + }; + struct perf_hpp_fmt *fmt; + struct perf_hpp_list_node *fmt_node; + bool first = true; + int ret; + int hierarchy_indent = (he->hists->nr_hpp_node - 2) * HIERARCHY_INDENT; + + printed = fprintf(fp, "%*s", level * HIERARCHY_INDENT, ""); + + folded_sign = hist_entry__folded(he); + printed += fprintf(fp, "%c", folded_sign); + + /* the first hpp_list_node is for overhead columns */ + fmt_node = list_first_entry(&he->hists->hpp_formats, + struct perf_hpp_list_node, list); + perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) { + if (!first) { + ret = scnprintf(hpp.buf, hpp.size, " "); + advance_hpp(&hpp, ret); + } else + first = false; + + ret = fmt->entry(fmt, &hpp, he); + advance_hpp(&hpp, ret); + } + + ret = scnprintf(hpp.buf, hpp.size, "%*s", hierarchy_indent, ""); + advance_hpp(&hpp, ret); + + perf_hpp_list__for_each_format(he->hpp_list, fmt) { + ret = scnprintf(hpp.buf, hpp.size, " "); + advance_hpp(&hpp, ret); + + ret = fmt->entry(fmt, &hpp, he); + advance_hpp(&hpp, ret); + } + + strim(s); + printed += fprintf(fp, "%s\n", s); + + if (he->leaf && folded_sign == '-') { + printed += hist_browser__fprintf_callchain(browser, he, fp, + he->depth + 1); + } + + return printed; +} + +static int hist_browser__fprintf(struct hist_browser *browser, FILE *fp) +{ + struct rb_node *nd = hists__filter_entries(rb_first(browser->b.entries), + browser->min_pcnt); + int printed = 0; + + while (nd) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + + if (symbol_conf.report_hierarchy) { + printed += hist_browser__fprintf_hierarchy_entry(browser, + h, fp, + h->depth); + } else { + printed += hist_browser__fprintf_entry(browser, h, fp); + } + + nd = hists__filter_entries(rb_hierarchy_next(nd), + browser->min_pcnt); + } + + return printed; +} + +static int hist_browser__dump(struct hist_browser *browser) +{ + char filename[64]; + FILE *fp; + + while (1) { + scnprintf(filename, sizeof(filename), "perf.hist.%d", browser->print_seq); + if (access(filename, F_OK)) + break; + /* + * XXX: Just an arbitrary lazy upper limit + */ + if (++browser->print_seq == 8192) { + ui_helpline__fpush("Too many perf.hist.N files, nothing written!"); + return -1; + } + } + + fp = fopen(filename, "w"); + if (fp == NULL) { + char bf[64]; + const char *err = str_error_r(errno, bf, sizeof(bf)); + ui_helpline__fpush("Couldn't write to %s: %s", filename, err); + return -1; + } + + ++browser->print_seq; + hist_browser__fprintf(browser, fp); + fclose(fp); + ui_helpline__fpush("%s written!", filename); + + return 0; +} + +void hist_browser__init(struct hist_browser *browser, + struct hists *hists) +{ + struct perf_hpp_fmt *fmt; + + browser->hists = hists; + browser->b.refresh = hist_browser__refresh; + browser->b.refresh_dimensions = hist_browser__refresh_dimensions; + browser->b.seek = ui_browser__hists_seek; + browser->b.use_navkeypressed = true; + browser->show_headers = symbol_conf.show_hist_headers; + hist_browser__set_title_space(browser); + + if (symbol_conf.report_hierarchy) { + struct perf_hpp_list_node *fmt_node; + + /* count overhead columns (in the first node) */ + fmt_node = list_first_entry(&hists->hpp_formats, + struct perf_hpp_list_node, list); + perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) + ++browser->b.columns; + + /* add a single column for whole hierarchy sort keys*/ + ++browser->b.columns; + } else { + hists__for_each_format(hists, fmt) + ++browser->b.columns; + } + + hists__reset_column_width(hists); +} + +struct hist_browser *hist_browser__new(struct hists *hists) +{ + struct hist_browser *browser = zalloc(sizeof(*browser)); + + if (browser) + hist_browser__init(browser, hists); + + return browser; +} + +static struct hist_browser * +perf_evsel_browser__new(struct evsel *evsel, + struct hist_browser_timer *hbt, + struct perf_env *env, + struct annotation_options *annotation_opts) +{ + struct hist_browser *browser = hist_browser__new(evsel__hists(evsel)); + + if (browser) { + browser->hbt = hbt; + browser->env = env; + browser->title = hists_browser__scnprintf_title; + browser->annotation_opts = annotation_opts; + } + return browser; +} + +void hist_browser__delete(struct hist_browser *browser) +{ + free(browser); +} + +static struct hist_entry *hist_browser__selected_entry(struct hist_browser *browser) +{ + return browser->he_selection; +} + +static struct thread *hist_browser__selected_thread(struct hist_browser *browser) +{ + return browser->he_selection->thread; +} + +static struct res_sample *hist_browser__selected_res_sample(struct hist_browser *browser) +{ + return browser->he_selection ? browser->he_selection->res_samples : NULL; +} + +/* Check whether the browser is for 'top' or 'report' */ +static inline bool is_report_browser(void *timer) +{ + return timer == NULL; +} + +static int hists_browser__scnprintf_title(struct hist_browser *browser, char *bf, size_t size) +{ + struct hist_browser_timer *hbt = browser->hbt; + int printed = __hists__scnprintf_title(browser->hists, bf, size, !is_report_browser(hbt)); + + if (!is_report_browser(hbt)) { + struct perf_top *top = hbt->arg; + + printed += scnprintf(bf + printed, size - printed, + " lost: %" PRIu64 "/%" PRIu64, + top->lost, top->lost_total); + + printed += scnprintf(bf + printed, size - printed, + " drop: %" PRIu64 "/%" PRIu64, + top->drop, top->drop_total); + + if (top->zero) + printed += scnprintf(bf + printed, size - printed, " [z]"); + + perf_top__reset_sample_counters(top); + } + + + return printed; +} + +static inline void free_popup_options(char **options, int n) +{ + int i; + + for (i = 0; i < n; ++i) + zfree(&options[i]); +} + +/* + * Only runtime switching of perf data file will make "input_name" point + * to a malloced buffer. So add "is_input_name_malloced" flag to decide + * whether we need to call free() for current "input_name" during the switch. + */ +static bool is_input_name_malloced = false; + +static int switch_data_file(void) +{ + char *pwd, *options[32], *abs_path[32], *tmp; + DIR *pwd_dir; + int nr_options = 0, choice = -1, ret = -1; + struct dirent *dent; + + pwd = getenv("PWD"); + if (!pwd) + return ret; + + pwd_dir = opendir(pwd); + if (!pwd_dir) + return ret; + + memset(options, 0, sizeof(options)); + memset(abs_path, 0, sizeof(abs_path)); + + while ((dent = readdir(pwd_dir))) { + char path[PATH_MAX]; + u64 magic; + char *name = dent->d_name; + FILE *file; + + if (!(dent->d_type == DT_REG)) + continue; + + snprintf(path, sizeof(path), "%s/%s", pwd, name); + + file = fopen(path, "r"); + if (!file) + continue; + + if (fread(&magic, 1, 8, file) < 8) + goto close_file_and_continue; + + if (is_perf_magic(magic)) { + options[nr_options] = strdup(name); + if (!options[nr_options]) + goto close_file_and_continue; + + abs_path[nr_options] = strdup(path); + if (!abs_path[nr_options]) { + zfree(&options[nr_options]); + ui__warning("Can't search all data files due to memory shortage.\n"); + fclose(file); + break; + } + + nr_options++; + } + +close_file_and_continue: + fclose(file); + if (nr_options >= 32) { + ui__warning("Too many perf data files in PWD!\n" + "Only the first 32 files will be listed.\n"); + break; + } + } + closedir(pwd_dir); + + if (nr_options) { + choice = ui__popup_menu(nr_options, options, NULL); + if (choice < nr_options && choice >= 0) { + tmp = strdup(abs_path[choice]); + if (tmp) { + if (is_input_name_malloced) + free((void *)input_name); + input_name = tmp; + is_input_name_malloced = true; + ret = 0; + } else + ui__warning("Data switch failed due to memory shortage!\n"); + } + } + + free_popup_options(options, nr_options); + free_popup_options(abs_path, nr_options); + return ret; +} + +struct popup_action { + unsigned long time; + struct thread *thread; + struct map_symbol ms; + int socket; + struct evsel *evsel; + enum rstype rstype; + + int (*fn)(struct hist_browser *browser, struct popup_action *act); +}; + +static int +do_annotate(struct hist_browser *browser, struct popup_action *act) +{ + struct evsel *evsel; + struct annotation *notes; + struct hist_entry *he; + int err; + + if (!browser->annotation_opts->objdump_path && + perf_env__lookup_objdump(browser->env, &browser->annotation_opts->objdump_path)) + return 0; + + notes = symbol__annotation(act->ms.sym); + if (!notes->src) + return 0; + + if (browser->block_evsel) + evsel = browser->block_evsel; + else + evsel = hists_to_evsel(browser->hists); + + err = map_symbol__tui_annotate(&act->ms, evsel, browser->hbt, + browser->annotation_opts); + he = hist_browser__selected_entry(browser); + /* + * offer option to annotate the other branch source or target + * (if they exists) when returning from annotate + */ + if ((err == 'q' || err == CTRL('c')) && he->branch_info) + return 1; + + ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries); + if (err) + ui_browser__handle_resize(&browser->b); + return 0; +} + +static struct symbol *symbol__new_unresolved(u64 addr, struct map *map) +{ + struct annotated_source *src; + struct symbol *sym; + char name[64]; + + snprintf(name, sizeof(name), "%.*" PRIx64, BITS_PER_LONG / 4, addr); + + sym = symbol__new(addr, ANNOTATION_DUMMY_LEN, 0, 0, name); + if (sym) { + src = symbol__hists(sym, 1); + if (!src) { + symbol__delete(sym); + return NULL; + } + + dso__insert_symbol(map->dso, sym); + } + + return sym; +} + +static int +add_annotate_opt(struct hist_browser *browser __maybe_unused, + struct popup_action *act, char **optstr, + struct map_symbol *ms, + u64 addr) +{ + if (!ms->map || !ms->map->dso || ms->map->dso->annotate_warned) + return 0; + + if (!ms->sym) + ms->sym = symbol__new_unresolved(addr, ms->map); + + if (ms->sym == NULL || symbol__annotation(ms->sym)->src == NULL) + return 0; + + if (asprintf(optstr, "Annotate %s", ms->sym->name) < 0) + return 0; + + act->ms = *ms; + act->fn = do_annotate; + return 1; +} + +static int +do_zoom_thread(struct hist_browser *browser, struct popup_action *act) +{ + struct thread *thread = act->thread; + + if ((!hists__has(browser->hists, thread) && + !hists__has(browser->hists, comm)) || thread == NULL) + return 0; + + if (browser->hists->thread_filter) { + pstack__remove(browser->pstack, &browser->hists->thread_filter); + perf_hpp__set_elide(HISTC_THREAD, false); + thread__zput(browser->hists->thread_filter); + ui_helpline__pop(); + } else { + if (hists__has(browser->hists, thread)) { + ui_helpline__fpush("To zoom out press ESC or ENTER + \"Zoom out of %s(%d) thread\"", + thread->comm_set ? thread__comm_str(thread) : "", + thread->tid); + } else { + ui_helpline__fpush("To zoom out press ESC or ENTER + \"Zoom out of %s thread\"", + thread->comm_set ? thread__comm_str(thread) : ""); + } + + browser->hists->thread_filter = thread__get(thread); + perf_hpp__set_elide(HISTC_THREAD, false); + pstack__push(browser->pstack, &browser->hists->thread_filter); + } + + hists__filter_by_thread(browser->hists); + hist_browser__reset(browser); + return 0; +} + +static int +add_thread_opt(struct hist_browser *browser, struct popup_action *act, + char **optstr, struct thread *thread) +{ + int ret; + + if ((!hists__has(browser->hists, thread) && + !hists__has(browser->hists, comm)) || thread == NULL) + return 0; + + if (hists__has(browser->hists, thread)) { + ret = asprintf(optstr, "Zoom %s %s(%d) thread", + browser->hists->thread_filter ? "out of" : "into", + thread->comm_set ? thread__comm_str(thread) : "", + thread->tid); + } else { + ret = asprintf(optstr, "Zoom %s %s thread", + browser->hists->thread_filter ? "out of" : "into", + thread->comm_set ? thread__comm_str(thread) : ""); + } + if (ret < 0) + return 0; + + act->thread = thread; + act->fn = do_zoom_thread; + return 1; +} + +static int hists_browser__zoom_map(struct hist_browser *browser, struct map *map) +{ + if (!hists__has(browser->hists, dso) || map == NULL) + return 0; + + if (browser->hists->dso_filter) { + pstack__remove(browser->pstack, &browser->hists->dso_filter); + perf_hpp__set_elide(HISTC_DSO, false); + browser->hists->dso_filter = NULL; + ui_helpline__pop(); + } else { + ui_helpline__fpush("To zoom out press ESC or ENTER + \"Zoom out of %s DSO\"", + __map__is_kernel(map) ? "the Kernel" : map->dso->short_name); + browser->hists->dso_filter = map->dso; + perf_hpp__set_elide(HISTC_DSO, true); + pstack__push(browser->pstack, &browser->hists->dso_filter); + } + + hists__filter_by_dso(browser->hists); + hist_browser__reset(browser); + return 0; +} + +static int +do_zoom_dso(struct hist_browser *browser, struct popup_action *act) +{ + return hists_browser__zoom_map(browser, act->ms.map); +} + +static int +add_dso_opt(struct hist_browser *browser, struct popup_action *act, + char **optstr, struct map *map) +{ + if (!hists__has(browser->hists, dso) || map == NULL) + return 0; + + if (asprintf(optstr, "Zoom %s %s DSO (use the 'k' hotkey to zoom directly into the kernel)", + browser->hists->dso_filter ? "out of" : "into", + __map__is_kernel(map) ? "the Kernel" : map->dso->short_name) < 0) + return 0; + + act->ms.map = map; + act->fn = do_zoom_dso; + return 1; +} + +static int do_toggle_callchain(struct hist_browser *browser, struct popup_action *act __maybe_unused) +{ + hist_browser__toggle_fold(browser); + return 0; +} + +static int add_callchain_toggle_opt(struct hist_browser *browser, struct popup_action *act, char **optstr) +{ + char sym_name[512]; + + if (!hist_browser__selection_has_children(browser)) + return 0; + + if (asprintf(optstr, "%s [%s] callchain (one level, same as '+' hotkey, use 'e'/'c' for the whole main level entry)", + hist_browser__selection_unfolded(browser) ? "Collapse" : "Expand", + hist_browser__selection_sym_name(browser, sym_name, sizeof(sym_name))) < 0) + return 0; + + act->fn = do_toggle_callchain; + return 1; +} + +static int +do_browse_map(struct hist_browser *browser __maybe_unused, + struct popup_action *act) +{ + map__browse(act->ms.map); + return 0; +} + +static int +add_map_opt(struct hist_browser *browser, + struct popup_action *act, char **optstr, struct map *map) +{ + if (!hists__has(browser->hists, dso) || map == NULL) + return 0; + + if (asprintf(optstr, "Browse map details") < 0) + return 0; + + act->ms.map = map; + act->fn = do_browse_map; + return 1; +} + +static int +do_run_script(struct hist_browser *browser __maybe_unused, + struct popup_action *act) +{ + char *script_opt; + int len; + int n = 0; + + len = 100; + if (act->thread) + len += strlen(thread__comm_str(act->thread)); + else if (act->ms.sym) + len += strlen(act->ms.sym->name); + script_opt = malloc(len); + if (!script_opt) + return -1; + + script_opt[0] = 0; + if (act->thread) { + n = scnprintf(script_opt, len, " -c %s ", + thread__comm_str(act->thread)); + } else if (act->ms.sym) { + n = scnprintf(script_opt, len, " -S %s ", + act->ms.sym->name); + } + + if (act->time) { + char start[32], end[32]; + unsigned long starttime = act->time; + unsigned long endtime = act->time + symbol_conf.time_quantum; + + if (starttime == endtime) { /* Display 1ms as fallback */ + starttime -= 1*NSEC_PER_MSEC; + endtime += 1*NSEC_PER_MSEC; + } + timestamp__scnprintf_usec(starttime, start, sizeof start); + timestamp__scnprintf_usec(endtime, end, sizeof end); + n += snprintf(script_opt + n, len - n, " --time %s,%s", start, end); + } + + script_browse(script_opt, act->evsel); + free(script_opt); + return 0; +} + +static int +do_res_sample_script(struct hist_browser *browser __maybe_unused, + struct popup_action *act) +{ + struct hist_entry *he; + + he = hist_browser__selected_entry(browser); + res_sample_browse(he->res_samples, he->num_res, act->evsel, act->rstype); + return 0; +} + +static int +add_script_opt_2(struct hist_browser *browser __maybe_unused, + struct popup_action *act, char **optstr, + struct thread *thread, struct symbol *sym, + struct evsel *evsel, const char *tstr) +{ + + if (thread) { + if (asprintf(optstr, "Run scripts for samples of thread [%s]%s", + thread__comm_str(thread), tstr) < 0) + return 0; + } else if (sym) { + if (asprintf(optstr, "Run scripts for samples of symbol [%s]%s", + sym->name, tstr) < 0) + return 0; + } else { + if (asprintf(optstr, "Run scripts for all samples%s", tstr) < 0) + return 0; + } + + act->thread = thread; + act->ms.sym = sym; + act->evsel = evsel; + act->fn = do_run_script; + return 1; +} + +static int +add_script_opt(struct hist_browser *browser, + struct popup_action *act, char **optstr, + struct thread *thread, struct symbol *sym, + struct evsel *evsel) +{ + int n, j; + struct hist_entry *he; + + n = add_script_opt_2(browser, act, optstr, thread, sym, evsel, ""); + + he = hist_browser__selected_entry(browser); + if (sort_order && strstr(sort_order, "time")) { + char tstr[128]; + + optstr++; + act++; + j = sprintf(tstr, " in "); + j += timestamp__scnprintf_usec(he->time, tstr + j, + sizeof tstr - j); + j += sprintf(tstr + j, "-"); + timestamp__scnprintf_usec(he->time + symbol_conf.time_quantum, + tstr + j, sizeof tstr - j); + n += add_script_opt_2(browser, act, optstr, thread, sym, + evsel, tstr); + act->time = he->time; + } + return n; +} + +static int +add_res_sample_opt(struct hist_browser *browser __maybe_unused, + struct popup_action *act, char **optstr, + struct res_sample *res_sample, + struct evsel *evsel, + enum rstype type) +{ + if (!res_sample) + return 0; + + if (asprintf(optstr, "Show context for individual samples %s", + type == A_ASM ? "with assembler" : + type == A_SOURCE ? "with source" : "") < 0) + return 0; + + act->fn = do_res_sample_script; + act->evsel = evsel; + act->rstype = type; + return 1; +} + +static int +do_switch_data(struct hist_browser *browser __maybe_unused, + struct popup_action *act __maybe_unused) +{ + if (switch_data_file()) { + ui__warning("Won't switch the data files due to\n" + "no valid data file get selected!\n"); + return 0; + } + + return K_SWITCH_INPUT_DATA; +} + +static int +add_switch_opt(struct hist_browser *browser, + struct popup_action *act, char **optstr) +{ + if (!is_report_browser(browser->hbt)) + return 0; + + if (asprintf(optstr, "Switch to another data file in PWD") < 0) + return 0; + + act->fn = do_switch_data; + return 1; +} + +static int +do_exit_browser(struct hist_browser *browser __maybe_unused, + struct popup_action *act __maybe_unused) +{ + return 0; +} + +static int +add_exit_opt(struct hist_browser *browser __maybe_unused, + struct popup_action *act, char **optstr) +{ + if (asprintf(optstr, "Exit") < 0) + return 0; + + act->fn = do_exit_browser; + return 1; +} + +static int +do_zoom_socket(struct hist_browser *browser, struct popup_action *act) +{ + if (!hists__has(browser->hists, socket) || act->socket < 0) + return 0; + + if (browser->hists->socket_filter > -1) { + pstack__remove(browser->pstack, &browser->hists->socket_filter); + browser->hists->socket_filter = -1; + perf_hpp__set_elide(HISTC_SOCKET, false); + } else { + browser->hists->socket_filter = act->socket; + perf_hpp__set_elide(HISTC_SOCKET, true); + pstack__push(browser->pstack, &browser->hists->socket_filter); + } + + hists__filter_by_socket(browser->hists); + hist_browser__reset(browser); + return 0; +} + +static int +add_socket_opt(struct hist_browser *browser, struct popup_action *act, + char **optstr, int socket_id) +{ + if (!hists__has(browser->hists, socket) || socket_id < 0) + return 0; + + if (asprintf(optstr, "Zoom %s Processor Socket %d", + (browser->hists->socket_filter > -1) ? "out of" : "into", + socket_id) < 0) + return 0; + + act->socket = socket_id; + act->fn = do_zoom_socket; + return 1; +} + +static void hist_browser__update_nr_entries(struct hist_browser *hb) +{ + u64 nr_entries = 0; + struct rb_node *nd = rb_first_cached(&hb->hists->entries); + + if (hb->min_pcnt == 0 && !symbol_conf.report_hierarchy) { + hb->nr_non_filtered_entries = hb->hists->nr_non_filtered_entries; + return; + } + + while ((nd = hists__filter_entries(nd, hb->min_pcnt)) != NULL) { + nr_entries++; + nd = rb_hierarchy_next(nd); + } + + hb->nr_non_filtered_entries = nr_entries; + hb->nr_hierarchy_entries = nr_entries; +} + +static void hist_browser__update_percent_limit(struct hist_browser *hb, + double percent) +{ + struct hist_entry *he; + struct rb_node *nd = rb_first_cached(&hb->hists->entries); + u64 total = hists__total_period(hb->hists); + u64 min_callchain_hits = total * (percent / 100); + + hb->min_pcnt = callchain_param.min_percent = percent; + + while ((nd = hists__filter_entries(nd, hb->min_pcnt)) != NULL) { + he = rb_entry(nd, struct hist_entry, rb_node); + + if (he->has_no_entry) { + he->has_no_entry = false; + he->nr_rows = 0; + } + + if (!he->leaf || !hist_entry__has_callchains(he) || !symbol_conf.use_callchain) + goto next; + + if (callchain_param.mode == CHAIN_GRAPH_REL) { + total = he->stat.period; + + if (symbol_conf.cumulate_callchain) + total = he->stat_acc->period; + + min_callchain_hits = total * (percent / 100); + } + + callchain_param.sort(&he->sorted_chain, he->callchain, + min_callchain_hits, &callchain_param); + +next: + nd = __rb_hierarchy_next(nd, HMD_FORCE_CHILD); + + /* force to re-evaluate folding state of callchains */ + he->init_have_children = false; + hist_entry__set_folding(he, hb, false); + } +} + +static int evsel__hists_browse(struct evsel *evsel, int nr_events, const char *helpline, + bool left_exits, struct hist_browser_timer *hbt, float min_pcnt, + struct perf_env *env, bool warn_lost_event, + struct annotation_options *annotation_opts) +{ + struct hists *hists = evsel__hists(evsel); + struct hist_browser *browser = perf_evsel_browser__new(evsel, hbt, env, annotation_opts); + struct branch_info *bi = NULL; +#define MAX_OPTIONS 16 + char *options[MAX_OPTIONS]; + struct popup_action actions[MAX_OPTIONS]; + int nr_options = 0; + int key = -1; + char buf[128]; + int delay_secs = hbt ? hbt->refresh : 0; + +#define HIST_BROWSER_HELP_COMMON \ + "h/?/F1 Show this window\n" \ + "UP/DOWN/PGUP\n" \ + "PGDN/SPACE Navigate\n" \ + "q/ESC/CTRL+C Exit browser or go back to previous screen\n\n" \ + "For multiple event sessions:\n\n" \ + "TAB/UNTAB Switch events\n\n" \ + "For symbolic views (--sort has sym):\n\n" \ + "ENTER Zoom into DSO/Threads & Annotate current symbol\n" \ + "ESC Zoom out\n" \ + "+ Expand/Collapse one callchain level\n" \ + "a Annotate current symbol\n" \ + "C Collapse all callchains\n" \ + "d Zoom into current DSO\n" \ + "e Expand/Collapse main entry callchains\n" \ + "E Expand all callchains\n" \ + "F Toggle percentage of filtered entries\n" \ + "H Display column headers\n" \ + "k Zoom into the kernel map\n" \ + "L Change percent limit\n" \ + "m Display context menu\n" \ + "S Zoom into current Processor Socket\n" \ + + /* help messages are sorted by lexical order of the hotkey */ + static const char report_help[] = HIST_BROWSER_HELP_COMMON + "i Show header information\n" + "P Print histograms to perf.hist.N\n" + "r Run available scripts\n" + "s Switch to another data file in PWD\n" + "t Zoom into current Thread\n" + "V Verbose (DSO names in callchains, etc)\n" + "/ Filter symbol by name\n" + "0-9 Sort by event n in group"; + static const char top_help[] = HIST_BROWSER_HELP_COMMON + "P Print histograms to perf.hist.N\n" + "t Zoom into current Thread\n" + "V Verbose (DSO names in callchains, etc)\n" + "z Toggle zeroing of samples\n" + "f Enable/Disable events\n" + "/ Filter symbol by name"; + + if (browser == NULL) + return -1; + + /* reset abort key so that it can get Ctrl-C as a key */ + SLang_reset_tty(); + SLang_init_tty(0, 0, 0); + + if (min_pcnt) + browser->min_pcnt = min_pcnt; + hist_browser__update_nr_entries(browser); + + browser->pstack = pstack__new(3); + if (browser->pstack == NULL) + goto out; + + ui_helpline__push(helpline); + + memset(options, 0, sizeof(options)); + memset(actions, 0, sizeof(actions)); + + if (symbol_conf.col_width_list_str) + perf_hpp__set_user_width(symbol_conf.col_width_list_str); + + if (!is_report_browser(hbt)) + browser->b.no_samples_msg = "Collecting samples..."; + + while (1) { + struct thread *thread = NULL; + struct map *map = NULL; + int choice; + int socked_id = -1; + + key = 0; // reset key +do_hotkey: // key came straight from options ui__popup_menu() + choice = nr_options = 0; + key = hist_browser__run(browser, helpline, warn_lost_event, key); + + if (browser->he_selection != NULL) { + thread = hist_browser__selected_thread(browser); + map = browser->selection->map; + socked_id = browser->he_selection->socket; + } + switch (key) { + case K_TAB: + case K_UNTAB: + if (nr_events == 1) + continue; + /* + * Exit the browser, let hists__browser_tree + * go to the next or previous + */ + goto out_free_stack; + case '0' ... '9': + if (!symbol_conf.event_group || + evsel->core.nr_members < 2) { + snprintf(buf, sizeof(buf), + "Sort by index only available with group events!"); + helpline = buf; + continue; + } + + if (key - '0' == symbol_conf.group_sort_idx) + continue; + + symbol_conf.group_sort_idx = key - '0'; + + if (symbol_conf.group_sort_idx >= evsel->core.nr_members) { + snprintf(buf, sizeof(buf), + "Max event group index to sort is %d (index from 0 to %d)", + evsel->core.nr_members - 1, + evsel->core.nr_members - 1); + helpline = buf; + continue; + } + + key = K_RELOAD; + goto out_free_stack; + case 'a': + if (!hists__has(hists, sym)) { + ui_browser__warning(&browser->b, delay_secs * 2, + "Annotation is only available for symbolic views, " + "include \"sym*\" in --sort to use it."); + continue; + } + + if (!browser->selection || + !browser->selection->map || + !browser->selection->map->dso || + browser->selection->map->dso->annotate_warned) { + continue; + } + + if (!browser->selection->sym) { + if (!browser->he_selection) + continue; + + if (sort__mode == SORT_MODE__BRANCH) { + bi = browser->he_selection->branch_info; + if (!bi || !bi->to.ms.map) + continue; + + actions->ms.sym = symbol__new_unresolved(bi->to.al_addr, bi->to.ms.map); + actions->ms.map = bi->to.ms.map; + } else { + actions->ms.sym = symbol__new_unresolved(browser->he_selection->ip, + browser->selection->map); + actions->ms.map = browser->selection->map; + } + + if (!actions->ms.sym) + continue; + } else { + if (symbol__annotation(browser->selection->sym)->src == NULL) { + ui_browser__warning(&browser->b, delay_secs * 2, + "No samples for the \"%s\" symbol.\n\n" + "Probably appeared just in a callchain", + browser->selection->sym->name); + continue; + } + + actions->ms.map = browser->selection->map; + actions->ms.sym = browser->selection->sym; + } + + do_annotate(browser, actions); + continue; + case 'P': + hist_browser__dump(browser); + continue; + case 'd': + actions->ms.map = map; + do_zoom_dso(browser, actions); + continue; + case 'k': + if (browser->selection != NULL) + hists_browser__zoom_map(browser, browser->selection->maps->machine->vmlinux_map); + continue; + case 'V': + verbose = (verbose + 1) % 4; + browser->show_dso = verbose > 0; + ui_helpline__fpush("Verbosity level set to %d\n", + verbose); + continue; + case 't': + actions->thread = thread; + do_zoom_thread(browser, actions); + continue; + case 'S': + actions->socket = socked_id; + do_zoom_socket(browser, actions); + continue; + case '/': + if (ui_browser__input_window("Symbol to show", + "Please enter the name of symbol you want to see.\n" + "To remove the filter later, press / + ENTER.", + buf, "ENTER: OK, ESC: Cancel", + delay_secs * 2) == K_ENTER) { + hists->symbol_filter_str = *buf ? buf : NULL; + hists__filter_by_symbol(hists); + hist_browser__reset(browser); + } + continue; + case 'r': + if (is_report_browser(hbt)) { + actions->thread = NULL; + actions->ms.sym = NULL; + do_run_script(browser, actions); + } + continue; + case 's': + if (is_report_browser(hbt)) { + key = do_switch_data(browser, actions); + if (key == K_SWITCH_INPUT_DATA) + goto out_free_stack; + } + continue; + case 'i': + /* env->arch is NULL for live-mode (i.e. perf top) */ + if (env->arch) + tui__header_window(env); + continue; + case 'F': + symbol_conf.filter_relative ^= 1; + continue; + case 'z': + if (!is_report_browser(hbt)) { + struct perf_top *top = hbt->arg; + + top->zero = !top->zero; + } + continue; + case 'L': + if (ui_browser__input_window("Percent Limit", + "Please enter the value you want to hide entries under that percent.", + buf, "ENTER: OK, ESC: Cancel", + delay_secs * 2) == K_ENTER) { + char *end; + double new_percent = strtod(buf, &end); + + if (new_percent < 0 || new_percent > 100) { + ui_browser__warning(&browser->b, delay_secs * 2, + "Invalid percent: %.2f", new_percent); + continue; + } + + hist_browser__update_percent_limit(browser, new_percent); + hist_browser__reset(browser); + } + continue; + case K_F1: + case 'h': + case '?': + ui_browser__help_window(&browser->b, + is_report_browser(hbt) ? report_help : top_help); + continue; + case K_ENTER: + case K_RIGHT: + case 'm': + /* menu */ + break; + case K_ESC: + case K_LEFT: { + const void *top; + + if (pstack__empty(browser->pstack)) { + /* + * Go back to the perf_evsel_menu__run or other user + */ + if (left_exits) + goto out_free_stack; + + if (key == K_ESC && + ui_browser__dialog_yesno(&browser->b, + "Do you really want to exit?")) + goto out_free_stack; + + continue; + } + actions->ms.map = map; + top = pstack__peek(browser->pstack); + if (top == &browser->hists->dso_filter) { + /* + * No need to set actions->dso here since + * it's just to remove the current filter. + * Ditto for thread below. + */ + do_zoom_dso(browser, actions); + } else if (top == &browser->hists->thread_filter) { + do_zoom_thread(browser, actions); + } else if (top == &browser->hists->socket_filter) { + do_zoom_socket(browser, actions); + } + continue; + } + case 'q': + case CTRL('c'): + goto out_free_stack; + case 'f': + if (!is_report_browser(hbt)) { + struct perf_top *top = hbt->arg; + + evlist__toggle_enable(top->evlist); + /* + * No need to refresh, resort/decay histogram + * entries if we are not collecting samples: + */ + if (top->evlist->enabled) { + helpline = "Press 'f' to disable the events or 'h' to see other hotkeys"; + hbt->refresh = delay_secs; + } else { + helpline = "Press 'f' again to re-enable the events"; + hbt->refresh = 0; + } + continue; + } + /* Fall thru */ + default: + helpline = "Press '?' for help on key bindings"; + continue; + } + + if (!hists__has(hists, sym) || browser->selection == NULL) + goto skip_annotation; + + if (sort__mode == SORT_MODE__BRANCH) { + + if (browser->he_selection) + bi = browser->he_selection->branch_info; + + if (bi == NULL) + goto skip_annotation; + + nr_options += add_annotate_opt(browser, + &actions[nr_options], + &options[nr_options], + &bi->from.ms, + bi->from.al_addr); + if (bi->to.ms.sym != bi->from.ms.sym) + nr_options += add_annotate_opt(browser, + &actions[nr_options], + &options[nr_options], + &bi->to.ms, + bi->to.al_addr); + } else { + nr_options += add_annotate_opt(browser, + &actions[nr_options], + &options[nr_options], + browser->selection, + browser->he_selection->ip); + } +skip_annotation: + nr_options += add_thread_opt(browser, &actions[nr_options], + &options[nr_options], thread); + nr_options += add_dso_opt(browser, &actions[nr_options], + &options[nr_options], map); + nr_options += add_callchain_toggle_opt(browser, &actions[nr_options], &options[nr_options]); + nr_options += add_map_opt(browser, &actions[nr_options], + &options[nr_options], + browser->selection ? + browser->selection->map : NULL); + nr_options += add_socket_opt(browser, &actions[nr_options], + &options[nr_options], + socked_id); + /* perf script support */ + if (!is_report_browser(hbt)) + goto skip_scripting; + + if (browser->he_selection) { + if (hists__has(hists, thread) && thread) { + nr_options += add_script_opt(browser, + &actions[nr_options], + &options[nr_options], + thread, NULL, evsel); + } + /* + * Note that browser->selection != NULL + * when browser->he_selection is not NULL, + * so we don't need to check browser->selection + * before fetching browser->selection->sym like what + * we do before fetching browser->selection->map. + * + * See hist_browser__show_entry. + */ + if (hists__has(hists, sym) && browser->selection->sym) { + nr_options += add_script_opt(browser, + &actions[nr_options], + &options[nr_options], + NULL, browser->selection->sym, + evsel); + } + } + nr_options += add_script_opt(browser, &actions[nr_options], + &options[nr_options], NULL, NULL, evsel); + nr_options += add_res_sample_opt(browser, &actions[nr_options], + &options[nr_options], + hist_browser__selected_res_sample(browser), + evsel, A_NORMAL); + nr_options += add_res_sample_opt(browser, &actions[nr_options], + &options[nr_options], + hist_browser__selected_res_sample(browser), + evsel, A_ASM); + nr_options += add_res_sample_opt(browser, &actions[nr_options], + &options[nr_options], + hist_browser__selected_res_sample(browser), + evsel, A_SOURCE); + nr_options += add_switch_opt(browser, &actions[nr_options], + &options[nr_options]); +skip_scripting: + nr_options += add_exit_opt(browser, &actions[nr_options], + &options[nr_options]); + + do { + struct popup_action *act; + + choice = ui__popup_menu(nr_options, options, &key); + if (choice == -1) + break; + + if (choice == nr_options) + goto do_hotkey; + + act = &actions[choice]; + key = act->fn(browser, act); + } while (key == 1); + + if (key == K_SWITCH_INPUT_DATA) + break; + } +out_free_stack: + pstack__delete(browser->pstack); +out: + hist_browser__delete(browser); + free_popup_options(options, MAX_OPTIONS); + return key; +} + +struct evsel_menu { + struct ui_browser b; + struct evsel *selection; + struct annotation_options *annotation_opts; + bool lost_events, lost_events_warned; + float min_pcnt; + struct perf_env *env; +}; + +static void perf_evsel_menu__write(struct ui_browser *browser, + void *entry, int row) +{ + struct evsel_menu *menu = container_of(browser, + struct evsel_menu, b); + struct evsel *evsel = list_entry(entry, struct evsel, core.node); + struct hists *hists = evsel__hists(evsel); + bool current_entry = ui_browser__is_current_entry(browser, row); + unsigned long nr_events = hists->stats.nr_samples; + const char *ev_name = evsel__name(evsel); + char bf[256], unit; + const char *warn = " "; + size_t printed; + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + + if (evsel__is_group_event(evsel)) { + struct evsel *pos; + + ev_name = evsel__group_name(evsel); + + for_each_group_member(pos, evsel) { + struct hists *pos_hists = evsel__hists(pos); + nr_events += pos_hists->stats.nr_samples; + } + } + + nr_events = convert_unit(nr_events, &unit); + printed = scnprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events, + unit, unit == ' ' ? "" : " ", ev_name); + ui_browser__printf(browser, "%s", bf); + + nr_events = evsel->evlist->stats.nr_events[PERF_RECORD_LOST]; + if (nr_events != 0) { + menu->lost_events = true; + if (!current_entry) + ui_browser__set_color(browser, HE_COLORSET_TOP); + nr_events = convert_unit(nr_events, &unit); + printed += scnprintf(bf, sizeof(bf), ": %ld%c%schunks LOST!", + nr_events, unit, unit == ' ' ? "" : " "); + warn = bf; + } + + ui_browser__write_nstring(browser, warn, browser->width - printed); + + if (current_entry) + menu->selection = evsel; +} + +static int perf_evsel_menu__run(struct evsel_menu *menu, + int nr_events, const char *help, + struct hist_browser_timer *hbt, + bool warn_lost_event) +{ + struct evlist *evlist = menu->b.priv; + struct evsel *pos; + const char *title = "Available samples"; + int delay_secs = hbt ? hbt->refresh : 0; + int key; + + if (ui_browser__show(&menu->b, title, + "ESC: exit, ENTER|->: Browse histograms") < 0) + return -1; + + while (1) { + key = ui_browser__run(&menu->b, delay_secs); + + switch (key) { + case K_TIMER: + if (hbt) + hbt->timer(hbt->arg); + + if (!menu->lost_events_warned && + menu->lost_events && + warn_lost_event) { + ui_browser__warn_lost_events(&menu->b); + menu->lost_events_warned = true; + } + continue; + case K_RIGHT: + case K_ENTER: + if (!menu->selection) + continue; + pos = menu->selection; +browse_hists: + evlist__set_selected(evlist, pos); + /* + * Give the calling tool a chance to populate the non + * default evsel resorted hists tree. + */ + if (hbt) + hbt->timer(hbt->arg); + key = evsel__hists_browse(pos, nr_events, help, true, hbt, + menu->min_pcnt, menu->env, + warn_lost_event, + menu->annotation_opts); + ui_browser__show_title(&menu->b, title); + switch (key) { + case K_TAB: + if (pos->core.node.next == &evlist->core.entries) + pos = evlist__first(evlist); + else + pos = evsel__next(pos); + goto browse_hists; + case K_UNTAB: + if (pos->core.node.prev == &evlist->core.entries) + pos = evlist__last(evlist); + else + pos = evsel__prev(pos); + goto browse_hists; + case K_SWITCH_INPUT_DATA: + case K_RELOAD: + case 'q': + case CTRL('c'): + goto out; + case K_ESC: + default: + continue; + } + case K_LEFT: + continue; + case K_ESC: + if (!ui_browser__dialog_yesno(&menu->b, + "Do you really want to exit?")) + continue; + /* Fall thru */ + case 'q': + case CTRL('c'): + goto out; + default: + continue; + } + } + +out: + ui_browser__hide(&menu->b); + return key; +} + +static bool filter_group_entries(struct ui_browser *browser __maybe_unused, + void *entry) +{ + struct evsel *evsel = list_entry(entry, struct evsel, core.node); + + if (symbol_conf.event_group && !evsel__is_group_leader(evsel)) + return true; + + return false; +} + +static int __evlist__tui_browse_hists(struct evlist *evlist, int nr_entries, const char *help, + struct hist_browser_timer *hbt, float min_pcnt, struct perf_env *env, + bool warn_lost_event, struct annotation_options *annotation_opts) +{ + struct evsel *pos; + struct evsel_menu menu = { + .b = { + .entries = &evlist->core.entries, + .refresh = ui_browser__list_head_refresh, + .seek = ui_browser__list_head_seek, + .write = perf_evsel_menu__write, + .filter = filter_group_entries, + .nr_entries = nr_entries, + .priv = evlist, + }, + .min_pcnt = min_pcnt, + .env = env, + .annotation_opts = annotation_opts, + }; + + ui_helpline__push("Press ESC to exit"); + + evlist__for_each_entry(evlist, pos) { + const char *ev_name = evsel__name(pos); + size_t line_len = strlen(ev_name) + 7; + + if (menu.b.width < line_len) + menu.b.width = line_len; + } + + return perf_evsel_menu__run(&menu, nr_entries, help, + hbt, warn_lost_event); +} + +static bool evlist__single_entry(struct evlist *evlist) +{ + int nr_entries = evlist->core.nr_entries; + + if (nr_entries == 1) + return true; + + if (nr_entries == 2) { + struct evsel *last = evlist__last(evlist); + + if (evsel__is_dummy_event(last)) + return true; + } + + return false; +} + +int evlist__tui_browse_hists(struct evlist *evlist, const char *help, struct hist_browser_timer *hbt, + float min_pcnt, struct perf_env *env, bool warn_lost_event, + struct annotation_options *annotation_opts) +{ + int nr_entries = evlist->core.nr_entries; + + if (evlist__single_entry(evlist)) { +single_entry: { + struct evsel *first = evlist__first(evlist); + + return evsel__hists_browse(first, nr_entries, help, false, hbt, min_pcnt, + env, warn_lost_event, annotation_opts); + } + } + + if (symbol_conf.event_group) { + struct evsel *pos; + + nr_entries = 0; + evlist__for_each_entry(evlist, pos) { + if (evsel__is_group_leader(pos)) + nr_entries++; + } + + if (nr_entries == 1) + goto single_entry; + } + + return __evlist__tui_browse_hists(evlist, nr_entries, help, hbt, min_pcnt, env, + warn_lost_event, annotation_opts); +} + +static int block_hists_browser__title(struct hist_browser *browser, char *bf, + size_t size) +{ + struct hists *hists = evsel__hists(browser->block_evsel); + const char *evname = evsel__name(browser->block_evsel); + unsigned long nr_samples = hists->stats.nr_samples; + int ret; + + ret = scnprintf(bf, size, "# Samples: %lu", nr_samples); + if (evname) + scnprintf(bf + ret, size - ret, " of event '%s'", evname); + + return 0; +} + +int block_hists_tui_browse(struct block_hist *bh, struct evsel *evsel, + float min_percent, struct perf_env *env, + struct annotation_options *annotation_opts) +{ + struct hists *hists = &bh->block_hists; + struct hist_browser *browser; + int key = -1; + struct popup_action action; + static const char help[] = + " q Quit \n"; + + browser = hist_browser__new(hists); + if (!browser) + return -1; + + browser->block_evsel = evsel; + browser->title = block_hists_browser__title; + browser->min_pcnt = min_percent; + browser->env = env; + browser->annotation_opts = annotation_opts; + + /* reset abort key so that it can get Ctrl-C as a key */ + SLang_reset_tty(); + SLang_init_tty(0, 0, 0); + + memset(&action, 0, sizeof(action)); + + while (1) { + key = hist_browser__run(browser, "? - help", true, 0); + + switch (key) { + case 'q': + goto out; + case '?': + ui_browser__help_window(&browser->b, help); + break; + case 'a': + case K_ENTER: + if (!browser->selection || + !browser->selection->sym) { + continue; + } + + action.ms.map = browser->selection->map; + action.ms.sym = browser->selection->sym; + do_annotate(browser, &action); + continue; + default: + break; + } + } + +out: + hist_browser__delete(browser); + return 0; +} diff --git a/tools/perf/ui/browsers/hists.h b/tools/perf/ui/browsers/hists.h new file mode 100644 index 000000000..1e938d9ff --- /dev/null +++ b/tools/perf/ui/browsers/hists.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _PERF_UI_BROWSER_HISTS_H_ +#define _PERF_UI_BROWSER_HISTS_H_ 1 + +#include "ui/browser.h" + +struct annotation_options; +struct evsel; + +struct hist_browser { + struct ui_browser b; + struct hists *hists; + struct hist_entry *he_selection; + struct map_symbol *selection; + struct hist_browser_timer *hbt; + struct pstack *pstack; + struct perf_env *env; + struct annotation_options *annotation_opts; + struct evsel *block_evsel; + int print_seq; + bool show_dso; + bool show_headers; + float min_pcnt; + u64 nr_non_filtered_entries; + u64 nr_hierarchy_entries; + u64 nr_callchain_rows; + bool c2c_filter; + + /* Get title string. */ + int (*title)(struct hist_browser *browser, + char *bf, size_t size); +}; + +struct hist_browser *hist_browser__new(struct hists *hists); +void hist_browser__delete(struct hist_browser *browser); +int hist_browser__run(struct hist_browser *browser, const char *help, + bool warn_lost_event, int key); +void hist_browser__init(struct hist_browser *browser, + struct hists *hists); +#endif /* _PERF_UI_BROWSER_HISTS_H_ */ diff --git a/tools/perf/ui/browsers/map.c b/tools/perf/ui/browsers/map.c new file mode 100644 index 000000000..3d49b916c --- /dev/null +++ b/tools/perf/ui/browsers/map.c @@ -0,0 +1,134 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <elf.h> +#include <inttypes.h> +#include <sys/ttydefaults.h> +#include <stdlib.h> +#include <string.h> +#include <linux/bitops.h> +#include "../../util/debug.h" +#include "../../util/map.h" +#include "../../util/dso.h" +#include "../../util/symbol.h" +#include "../browser.h" +#include "../helpline.h" +#include "../keysyms.h" +#include "map.h" + +#include <linux/ctype.h> + +struct map_browser { + struct ui_browser b; + struct map *map; + u8 addrlen; +}; + +static void map_browser__write(struct ui_browser *browser, void *nd, int row) +{ + struct symbol *sym = rb_entry(nd, struct symbol, rb_node); + struct map_browser *mb = container_of(browser, struct map_browser, b); + bool current_entry = ui_browser__is_current_entry(browser, row); + int width; + + ui_browser__set_percent_color(browser, 0, current_entry); + ui_browser__printf(browser, "%*" PRIx64 " %*" PRIx64 " %c ", + mb->addrlen, sym->start, mb->addrlen, sym->end, + sym->binding == STB_GLOBAL ? 'g' : + sym->binding == STB_LOCAL ? 'l' : 'w'); + width = browser->width - ((mb->addrlen * 2) + 4); + if (width > 0) + ui_browser__write_nstring(browser, sym->name, width); +} + +/* FIXME uber-kludgy, see comment on cmd_report... */ +static u32 *symbol__browser_index(struct symbol *browser) +{ + return ((void *)browser) - sizeof(struct rb_node) - sizeof(u32); +} + +static int map_browser__search(struct map_browser *browser) +{ + char target[512]; + struct symbol *sym; + int err = ui_browser__input_window("Search by name/addr", + "Prefix with 0x to search by address", + target, "ENTER: OK, ESC: Cancel", 0); + if (err != K_ENTER) + return -1; + + if (target[0] == '0' && tolower(target[1]) == 'x') { + u64 addr = strtoull(target, NULL, 16); + sym = map__find_symbol(browser->map, addr); + } else + sym = map__find_symbol_by_name(browser->map, target); + + if (sym != NULL) { + u32 *idx = symbol__browser_index(sym); + + browser->b.top = &sym->rb_node; + browser->b.index = browser->b.top_idx = *idx; + } else + ui_helpline__fpush("%s not found!", target); + + return 0; +} + +static int map_browser__run(struct map_browser *browser) +{ + int key; + + if (ui_browser__show(&browser->b, browser->map->dso->long_name, + "Press ESC to exit, %s / to search", + verbose > 0 ? "" : "restart with -v to use") < 0) + return -1; + + while (1) { + key = ui_browser__run(&browser->b, 0); + + switch (key) { + case '/': + if (verbose > 0) + map_browser__search(browser); + default: + break; + case K_LEFT: + case K_ESC: + case 'q': + case CTRL('c'): + goto out; + } + } +out: + ui_browser__hide(&browser->b); + return key; +} + +int map__browse(struct map *map) +{ + struct map_browser mb = { + .b = { + .entries = &map->dso->symbols, + .refresh = ui_browser__rb_tree_refresh, + .seek = ui_browser__rb_tree_seek, + .write = map_browser__write, + }, + .map = map, + }; + struct rb_node *nd; + char tmp[BITS_PER_LONG / 4]; + u64 maxaddr = 0; + + for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) { + struct symbol *pos = rb_entry(nd, struct symbol, rb_node); + + if (maxaddr < pos->end) + maxaddr = pos->end; + if (verbose > 0) { + u32 *idx = symbol__browser_index(pos); + *idx = mb.b.nr_entries; + } + ++mb.b.nr_entries; + } + + mb.addrlen = snprintf(tmp, sizeof(tmp), "%" PRIx64, maxaddr); + return map_browser__run(&mb); +} diff --git a/tools/perf/ui/browsers/map.h b/tools/perf/ui/browsers/map.h new file mode 100644 index 000000000..0ed7dbb3a --- /dev/null +++ b/tools/perf/ui/browsers/map.h @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _PERF_UI_MAP_BROWSER_H_ +#define _PERF_UI_MAP_BROWSER_H_ 1 +struct map; + +int map__browse(struct map *map); +#endif /* _PERF_UI_MAP_BROWSER_H_ */ diff --git a/tools/perf/ui/browsers/res_sample.c b/tools/perf/ui/browsers/res_sample.c new file mode 100644 index 000000000..7cb2d6678 --- /dev/null +++ b/tools/perf/ui/browsers/res_sample.c @@ -0,0 +1,96 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Display a menu with individual samples to browse with perf script */ +#include "hist.h" +#include "evsel.h" +#include "hists.h" +#include "sort.h" +#include "config.h" +#include "time-utils.h" +#include "../util.h" +#include "../../util/util.h" // perf_exe() +#include "../../perf.h" +#include <stdlib.h> +#include <string.h> +#include <linux/time64.h> +#include <linux/zalloc.h> + +static u64 context_len = 10 * NSEC_PER_MSEC; + +static int res_sample_config(const char *var, const char *value, void *data __maybe_unused) +{ + if (!strcmp(var, "samples.context")) + return perf_config_u64(&context_len, var, value); + return 0; +} + +void res_sample_init(void) +{ + perf_config(res_sample_config, NULL); +} + +int res_sample_browse(struct res_sample *res_samples, int num_res, + struct evsel *evsel, enum rstype rstype) +{ + char **names; + int i, n; + int choice; + char *cmd; + char pbuf[256], tidbuf[32], cpubuf[32]; + const char *perf = perf_exe(pbuf, sizeof pbuf); + char trange[128], tsample[64]; + struct res_sample *r; + char extra_format[256]; + + names = calloc(num_res, sizeof(char *)); + if (!names) + return -1; + for (i = 0; i < num_res; i++) { + char tbuf[64]; + + timestamp__scnprintf_nsec(res_samples[i].time, tbuf, sizeof tbuf); + if (asprintf(&names[i], "%s: CPU %d tid %d", tbuf, + res_samples[i].cpu, res_samples[i].tid) < 0) { + while (--i >= 0) + zfree(&names[i]); + free(names); + return -1; + } + } + choice = ui__popup_menu(num_res, names, NULL); + for (i = 0; i < num_res; i++) + zfree(&names[i]); + free(names); + + if (choice < 0 || choice >= num_res) + return -1; + r = &res_samples[choice]; + + n = timestamp__scnprintf_nsec(r->time - context_len, trange, sizeof trange); + trange[n++] = ','; + timestamp__scnprintf_nsec(r->time + context_len, trange + n, sizeof trange - n); + + timestamp__scnprintf_nsec(r->time, tsample, sizeof tsample); + + attr_to_script(extra_format, &evsel->core.attr); + + if (asprintf(&cmd, "%s script %s%s --time %s %s%s %s%s --ns %s %s %s %s %s | less +/%s", + perf, + input_name ? "-i " : "", + input_name ? input_name : "", + trange, + r->cpu >= 0 ? "--cpu " : "", + r->cpu >= 0 ? (sprintf(cpubuf, "%d", r->cpu), cpubuf) : "", + r->tid ? "--tid " : "", + r->tid ? (sprintf(tidbuf, "%d", r->tid), tidbuf) : "", + extra_format, + rstype == A_ASM ? "-F +insn --xed" : + rstype == A_SOURCE ? "-F +srcline,+srccode" : "", + symbol_conf.inline_name ? "--inline" : "", + "--show-lost-events ", + r->tid ? "--show-switch-events --show-task-events " : "", + tsample) < 0) + return -1; + run_script(cmd); + free(cmd); + return 0; +} diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c new file mode 100644 index 000000000..47d2c7a8c --- /dev/null +++ b/tools/perf/ui/browsers/scripts.c @@ -0,0 +1,193 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "../../builtin.h" +#include "../../perf.h" +#include "../../util/util.h" // perf_exe() +#include "../util.h" +#include "../../util/hist.h" +#include "../../util/debug.h" +#include "../../util/symbol.h" +#include "../browser.h" +#include "../libslang.h" +#include "config.h" +#include <linux/string.h> +#include <linux/zalloc.h> +#include <stdlib.h> + +#define SCRIPT_NAMELEN 128 +#define SCRIPT_MAX_NO 64 +/* + * Usually the full path for a script is: + * /home/username/libexec/perf-core/scripts/python/xxx.py + * /home/username/libexec/perf-core/scripts/perl/xxx.pl + * So 256 should be long enough to contain the full path. + */ +#define SCRIPT_FULLPATH_LEN 256 + +struct script_config { + const char **names; + char **paths; + int index; + const char *perf; + char extra_format[256]; +}; + +void attr_to_script(char *extra_format, struct perf_event_attr *attr) +{ + extra_format[0] = 0; + if (attr->read_format & PERF_FORMAT_GROUP) + strcat(extra_format, " -F +metric"); + if (attr->sample_type & PERF_SAMPLE_BRANCH_STACK) + strcat(extra_format, " -F +brstackinsn --xed"); + if (attr->sample_type & PERF_SAMPLE_REGS_INTR) + strcat(extra_format, " -F +iregs"); + if (attr->sample_type & PERF_SAMPLE_REGS_USER) + strcat(extra_format, " -F +uregs"); + if (attr->sample_type & PERF_SAMPLE_PHYS_ADDR) + strcat(extra_format, " -F +phys_addr"); +} + +static int add_script_option(const char *name, const char *opt, + struct script_config *c) +{ + c->names[c->index] = name; + if (asprintf(&c->paths[c->index], + "%s script %s -F +metric %s %s", + c->perf, opt, symbol_conf.inline_name ? " --inline" : "", + c->extra_format) < 0) + return -1; + c->index++; + return 0; +} + +static int scripts_config(const char *var, const char *value, void *data) +{ + struct script_config *c = data; + + if (!strstarts(var, "scripts.")) + return -1; + if (c->index >= SCRIPT_MAX_NO) + return -1; + c->names[c->index] = strdup(var + 7); + if (!c->names[c->index]) + return -1; + if (asprintf(&c->paths[c->index], "%s %s", value, + c->extra_format) < 0) + return -1; + c->index++; + return 0; +} + +/* + * When success, will copy the full path of the selected script + * into the buffer pointed by script_name, and return 0. + * Return -1 on failure. + */ +static int list_scripts(char *script_name, bool *custom, + struct evsel *evsel) +{ + char *buf, *paths[SCRIPT_MAX_NO], *names[SCRIPT_MAX_NO]; + int i, num, choice; + int ret = 0; + int max_std, custom_perf; + char pbuf[256]; + const char *perf = perf_exe(pbuf, sizeof pbuf); + struct script_config scriptc = { + .names = (const char **)names, + .paths = paths, + .perf = perf + }; + + script_name[0] = 0; + + /* Preset the script name to SCRIPT_NAMELEN */ + buf = malloc(SCRIPT_MAX_NO * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN)); + if (!buf) + return -1; + + if (evsel) + attr_to_script(scriptc.extra_format, &evsel->core.attr); + add_script_option("Show individual samples", "", &scriptc); + add_script_option("Show individual samples with assembler", "-F +insn --xed", + &scriptc); + add_script_option("Show individual samples with source", "-F +srcline,+srccode", + &scriptc); + perf_config(scripts_config, &scriptc); + custom_perf = scriptc.index; + add_script_option("Show samples with custom perf script arguments", "", &scriptc); + i = scriptc.index; + max_std = i; + + for (; i < SCRIPT_MAX_NO; i++) { + names[i] = buf + (i - max_std) * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN); + paths[i] = names[i] + SCRIPT_NAMELEN; + } + + num = find_scripts(names + max_std, paths + max_std, SCRIPT_MAX_NO - max_std, + SCRIPT_FULLPATH_LEN); + if (num < 0) + num = 0; + choice = ui__popup_menu(num + max_std, (char * const *)names, NULL); + if (choice < 0) { + ret = -1; + goto out; + } + if (choice == custom_perf) { + char script_args[50]; + int key = ui_browser__input_window("perf script command", + "Enter perf script command line (without perf script prefix)", + script_args, "", 0); + if (key != K_ENTER) { + ret = -1; + goto out; + } + sprintf(script_name, "%s script %s", perf, script_args); + } else if (choice < num + max_std) { + strcpy(script_name, paths[choice]); + } + *custom = choice >= max_std; + +out: + free(buf); + for (i = 0; i < max_std; i++) + zfree(&paths[i]); + return ret; +} + +void run_script(char *cmd) +{ + pr_debug("Running %s\n", cmd); + SLang_reset_tty(); + if (system(cmd) < 0) + pr_warning("Cannot run %s\n", cmd); + /* + * SLang doesn't seem to reset the whole terminal, so be more + * forceful to get back to the original state. + */ + printf("\033[c\033[H\033[J"); + fflush(stdout); + SLang_init_tty(0, 0, 0); + SLsmg_refresh(); +} + +int script_browse(const char *script_opt, struct evsel *evsel) +{ + char *cmd, script_name[SCRIPT_FULLPATH_LEN]; + bool custom = false; + + memset(script_name, 0, SCRIPT_FULLPATH_LEN); + if (list_scripts(script_name, &custom, evsel)) + return -1; + + if (asprintf(&cmd, "%s%s %s %s%s 2>&1 | less", + custom ? "perf script -s " : "", + script_name, + script_opt ? script_opt : "", + input_name ? "-i " : "", + input_name ? input_name : "") < 0) + return -1; + + run_script(cmd); + free(cmd); + + return 0; +} |