diff options
Diffstat (limited to 'tools/perf/ui/browsers/annotate.c')
| -rw-r--r-- | tools/perf/ui/browsers/annotate.c | 1011 |
1 files changed, 1011 insertions, 0 deletions
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c new file mode 100644 index 0000000000..ccdb2cd11f --- /dev/null +++ b/tools/perf/ui/browsers/annotate.c @@ -0,0 +1,1011 @@ +// 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; + + annotation__lock(notes); + + 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); + } + annotation__unlock(notes); + + 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(map)->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); + annotation__lock(notes); + + if (!symbol__hists(dl->ops.target.sym, evsel->evlist->core.nr_entries)) { + annotation__unlock(notes); + 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; + annotation__unlock(notes); + 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" + "</> Move to prev/next symbol\n" + "q/ESC/CTRL+C Exit\n\n" + "ENTER Go to target\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 '<': + case '>': + 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, + }; + struct dso *dso; + int ret = -1, err; + int not_annotated = list_empty(¬es->src->source); + + if (sym == NULL) + return -1; + + dso = map__dso(ms->map); + if (dso->annotate_warned) + return -1; + + if (not_annotated) { + err = symbol__annotate2(ms, evsel, opts, &browser.arch); + if (err) { + char msg[BUFSIZ]; + 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; +} |