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-rw-r--r--tools/perf/ui/browsers/hists.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 4d2d0acfd41a..87405dc4750c 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -3444,3 +3444,58 @@ single_entry:
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 = perf_evsel__name(browser->block_evsel);
+ unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
+ 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 hists *hists = &bh->block_hists;
+ struct hist_browser *browser;
+ int key = -1;
+ 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;
+
+ /* reset abort key so that it can get Ctrl-C as a key */
+ SLang_reset_tty();
+ SLang_init_tty(0, 0, 0);
+
+ while (1) {
+ key = hist_browser__run(browser, "? - help", true);
+
+ switch (key) {
+ case 'q':
+ goto out;
+ case '?':
+ ui_browser__help_window(&browser->b, help);
+ break;
+ default:
+ break;
+ }
+ }
+
+out:
+ hist_browser__delete(browser);
+ return 0;
+}
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