From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Tue, 8 Apr 2025 20:57:25 +0000 (-0300)
Subject: perf ui browser annotate: Provide feedback on unhandled hotkeys
X-Git-Tag: v6.16-rc1~57^2~197
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6b76a42cc5ea312ff14bb0361117b68bb018cb8f;p=thirdparty%2Flinux.git

perf ui browser annotate: Provide feedback on unhandled hotkeys

Don't just eat unknown keys without providing visual feedback and
instructions on how to see which ones are assigned.

Suggested-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Ingo Molnar <mingo@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/Z_TYux5fUg2pW-pF@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 135d6ce88fb3d..b452c02e07bf4 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -928,6 +928,7 @@ show_sup_ins:
 		case CTRL('c'):
 			goto out;
 		default:
+			ui_browser__warn_unhandled_hotkey(&browser->b, key, delay_secs, ", use 'h'/F1 to see actions");
 			continue;
 		}