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-rw-r--r--tools/perf/builtin-report.c7
-rw-r--r--tools/perf/util/hist.h16
-rw-r--r--tools/perf/util/ui/browsers/hists.c147
3 files changed, 140 insertions, 30 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 1c399eae5f7b..e9b5d513333a 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -222,7 +222,8 @@ static size_t hists__fprintf_nr_sample_events(struct hists *self,
return ret + fprintf(fp, "\n#\n");
}
-static int hists__tty_browse_tree(struct perf_evlist *evlist, const char *help)
+static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
+ const char *help)
{
struct perf_evsel *pos;
@@ -304,9 +305,9 @@ static int __cmd_report(void)
}
if (use_browser > 0)
- hists__tui_browse_tree(session->evlist, help);
+ perf_evlist__tui_browse_hists(session->evlist, help);
else
- hists__tty_browse_tree(session->evlist, help);
+ perf_evlist__tty_browse_hists(session->evlist, help);
out_delete:
/*
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);
}
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