perf hists browser: React to unassigned hotkey pressing
When that happens we were just ignoring the key press, now this
message is presented in the bottom line (the help line):
"Press '?' for help on key bindings"
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-iyma2j5kj3q9i1stl4mfh90n@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index e2b500b..c42adb6 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1902,10 +1902,11 @@
case CTRL('c'):
goto out_free_stack;
case 'f':
- if (is_report_browser(hbt))
- continue;
- goto out_free_stack;
+ if (!is_report_browser(hbt))
+ goto out_free_stack;
+ /* Fall thru */
default:
+ helpline = "Press '?' for help on key bindings";
continue;
}