diff options
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/hist.h | 16 | ||||
-rw-r--r-- | tools/perf/util/ui/browsers/hists.c | 147 |
2 files changed, 136 insertions, 27 deletions
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 0d38b435827b..cb6858a2f9a3 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -87,15 +87,9 @@ bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); struct perf_evlist; #ifdef NO_NEWT_SUPPORT -static inline int hists__browse(struct hists *self __used, - const char *helpline __used, - const char *ev_name __used, int evidx __used) -{ - return 0; -} - -static inline int hists__tui_browse_tree(struct perf_evlist *evlist __used, - const char *help __used) +static inline +int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __used, + const char *help __used) { return 0; } @@ -109,14 +103,12 @@ static inline int hist_entry__tui_annotate(struct hist_entry *self __used, #define KEY_RIGHT -2 #else #include <newt.h> -int hists__browse(struct hists *self, const char *helpline, - const char *ev_name, int evidx); int hist_entry__tui_annotate(struct hist_entry *self, int evidx); #define KEY_LEFT NEWT_KEY_LEFT #define KEY_RIGHT NEWT_KEY_RIGHT -int hists__tui_browse_tree(struct perf_evlist *evlist, const char *help); +int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help); #endif unsigned int hists__sort_list_width(struct hists *self); diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c index f3af4fe5cdc4..798efdca3ead 100644 --- a/tools/perf/util/ui/browsers/hists.c +++ b/tools/perf/util/ui/browsers/hists.c @@ -803,9 +803,11 @@ static int hists__browser_title(struct hists *self, char *bf, size_t size, return printed; } -int hists__browse(struct hists *self, const char *helpline, - const char *ev_name, int evidx) +static int perf_evsel__hists_browse(struct perf_evsel *evsel, + const char *helpline, const char *ev_name, + bool left_exits) { + struct hists *self = &evsel->hists; struct hist_browser *browser = hist_browser__new(self); struct pstack *fstack; const struct thread *thread_filter = NULL; @@ -878,8 +880,14 @@ int hists__browse(struct hists *self, const char *helpline, case NEWT_KEY_LEFT: { const void *top; - if (pstack__empty(fstack)) + if (pstack__empty(fstack)) { + /* + * Go back to the perf_evsel_menu__run or other user + */ + if (left_exits) + goto out_free_stack; continue; + } top = pstack__pop(fstack); if (top == &dso_filter) goto zoom_out_dso; @@ -888,7 +896,8 @@ int hists__browse(struct hists *self, const char *helpline, continue; } case NEWT_KEY_ESCAPE: - if (!ui__dialog_yesno("Do you really want to exit?")) + if (!left_exits && + !ui__dialog_yesno("Do you really want to exit?")) continue; /* Fall thru */ default: @@ -940,7 +949,7 @@ do_annotate: if (he == NULL) continue; - hist_entry__tui_annotate(he, evidx); + hist_entry__tui_annotate(he, evsel->idx); } else if (choice == browse_map) map__browse(browser->selection->map); else if (choice == zoom_dso) { @@ -989,15 +998,71 @@ out: return key; } -int hists__tui_browse_tree(struct perf_evlist *evlist, const char *help) +struct perf_evsel_menu { + struct ui_browser b; + struct perf_evsel *selection; +}; + +static void perf_evsel_menu__write(struct ui_browser *browser, + void *entry, int row) +{ + struct perf_evsel_menu *menu = container_of(browser, + struct perf_evsel_menu, b); + struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node); + bool current_entry = ui_browser__is_current_entry(browser, row); + unsigned long nr_events = evsel->hists.stats.nr_events[PERF_RECORD_SAMPLE]; + const char *ev_name = event_name(evsel); + char bf[256], unit; + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + + nr_events = convert_unit(nr_events, &unit); + snprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events, + unit, unit == ' ' ? "" : " ", ev_name); + slsmg_write_nstring(bf, browser->width); + + if (current_entry) + menu->selection = evsel; +} + +static int perf_evsel_menu__run(struct perf_evsel_menu *menu, const char *help) { + int exit_keys[] = { NEWT_KEY_ENTER, NEWT_KEY_RIGHT, 0, }; + struct perf_evlist *evlist = menu->b.priv; struct perf_evsel *pos; + const char *ev_name, *title = "Available samples"; + int key; - pos = list_entry(evlist->entries.next, struct perf_evsel, node); - while (pos) { - struct hists *hists = &pos->hists; - const char *ev_name = event_name(pos); - int key = hists__browse(hists, help, ev_name, pos->idx); + if (ui_browser__show(&menu->b, title, + "ESC: exit, ENTER|->: Browse histograms") < 0) + return -1; + + ui_browser__add_exit_keys(&menu->b, exit_keys); + + while (1) { + key = ui_browser__run(&menu->b); + + switch (key) { + case NEWT_KEY_RIGHT: + case NEWT_KEY_ENTER: + if (!menu->selection) + continue; + pos = menu->selection; +browse_hists: + ev_name = event_name(pos); + key = perf_evsel__hists_browse(pos, help, ev_name, true); + ui_browser__show_title(&menu->b, title); + break; + case NEWT_KEY_LEFT: + continue; + case NEWT_KEY_ESCAPE: + if (!ui__dialog_yesno("Do you really want to exit?")) + continue; + /* Fall thru */ + default: + goto out; + } switch (key) { case NEWT_KEY_TAB: @@ -1005,17 +1070,69 @@ int hists__tui_browse_tree(struct perf_evlist *evlist, const char *help) pos = list_entry(evlist->entries.next, struct perf_evsel, node); else pos = list_entry(pos->node.next, struct perf_evsel, node); - break; + goto browse_hists; case NEWT_KEY_UNTAB: if (pos->node.prev == &evlist->entries) pos = list_entry(evlist->entries.prev, struct perf_evsel, node); else pos = list_entry(pos->node.prev, struct perf_evsel, node); - break; + goto browse_hists; + case 'q': + case CTRL('c'): + goto out; default: - return key; + break; } } - return 0; +out: + ui_browser__hide(&menu->b); + return key; +} + +static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, + const char *help) +{ + struct perf_evsel *pos; + struct perf_evsel_menu menu = { + .b = { + .entries = &evlist->entries, + .refresh = ui_browser__list_head_refresh, + .seek = ui_browser__list_head_seek, + .write = perf_evsel_menu__write, + .nr_entries = evlist->nr_entries, + .priv = evlist, + }, + }; + + ui_helpline__push("Press ESC to exit"); + + list_for_each_entry(pos, &evlist->entries, node) { + const char *ev_name = event_name(pos); + size_t line_len = strlen(ev_name) + 7; + + if (menu.b.width < line_len) + menu.b.width = line_len; + /* + * Cache the evsel name, tracepoints have a _high_ cost per + * event_name() call. + */ + if (pos->name == NULL) + pos->name = strdup(ev_name); + } + + return perf_evsel_menu__run(&menu, help); +} + +int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help) +{ + + if (evlist->nr_entries == 1) { + struct perf_evsel *first = list_entry(evlist->entries.next, + struct perf_evsel, node); + const char *ev_name = event_name(first); + return perf_evsel__hists_browse(first, help, ev_name, false); + } + + return __perf_evlist__tui_browse_hists(evlist, help); } |