perf ui/tui: Add 'F' hotkey to toggle percentage output

Add 'F' hotkey to toggle relative and absolute percentage of filtered
entries.

Suggested-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1397145720-8063-7-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 7ad11477a0f5..4d416984c59d 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1389,6 +1389,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
         "C             Collapse all callchains\n"                       \
         "d             Zoom into current DSO\n"                         \
         "E             Expand all callchains\n"                         \
+        "F             Toggle percentage of filtered entries\n"         \
 
         /* help messages are sorted by lexical order of the hotkey */
         const char report_help[] = HIST_BROWSER_HELP_COMMON
@@ -1494,6 +1495,9 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
                         if (env->arch)
                                 tui__header_window(env);
                         continue;
+                case 'F':
+                        symbol_conf.filter_relative ^= 1;
+                        continue;
                 case K_F1:
                 case 'h':
                 case '?':