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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /tools/perf/ui/browsers/annotate.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/ui/browsers/annotate.c')
-rw-r--r--tools/perf/ui/browsers/annotate.c1011
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, &notes->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, &notes->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, &notes->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, &notes->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(&notes->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 = &notes->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(&notes->offsets);
+ return ret;
+}