This is a note to let you know that I've just added the patch titled
perf tools: Get rid of evlist__add_on_all_cpus()
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
perf-tools-get-rid-of-evlist__add_on_all_cpus.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3627fba55acc8e51663896cb8718e6431c364cd6
Author: Namhyung Kim <namhyung@xxxxxxxxxx>
Date: Mon Oct 3 13:46:45 2022 -0700
perf tools: Get rid of evlist__add_on_all_cpus()
[ Upstream commit 60ea006f72512fd7c36f16cdbe91f4fc284f8115 ]
The cpu and thread maps are properly handled in libperf now. No need to
do it in the perf tools anymore. Let's remove the logic.
Reviewed-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Ian Rogers <irogers@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Cc: Leo Yan <leo.yan@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20221003204647.1481128-4-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Stable-dep-of: f9cdeb58a9cf ("perf evlist: Avoid frequency mode for the dummy event")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 117420abdc325..f0ca9aa7c208e 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -261,28 +261,6 @@ int evlist__add_dummy(struct evlist *evlist)
return 0;
}
-static void evlist__add_on_all_cpus(struct evlist *evlist, struct evsel *evsel)
-{
- evsel->core.system_wide = true;
-
- /*
- * All CPUs.
- *
- * Note perf_event_open() does not accept CPUs that are not online, so
- * in fact this CPU list will include only all online CPUs.
- */
- perf_cpu_map__put(evsel->core.own_cpus);
- evsel->core.own_cpus = perf_cpu_map__new(NULL);
- perf_cpu_map__put(evsel->core.cpus);
- evsel->core.cpus = perf_cpu_map__get(evsel->core.own_cpus);
-
- /* No threads */
- perf_thread_map__put(evsel->core.threads);
- evsel->core.threads = perf_thread_map__new_dummy();
-
- evlist__add(evlist, evsel);
-}
-
struct evsel *evlist__add_aux_dummy(struct evlist *evlist, bool system_wide)
{
struct evsel *evsel = evlist__dummy_event(evlist);
@@ -295,14 +273,11 @@ struct evsel *evlist__add_aux_dummy(struct evlist *evlist, bool system_wide)
evsel->core.attr.exclude_hv = 1;
evsel->core.attr.freq = 0;
evsel->core.attr.sample_period = 1;
+ evsel->core.system_wide = system_wide;
evsel->no_aux_samples = true;
evsel->name = strdup("dummy:u");
- if (system_wide)
- evlist__add_on_all_cpus(evlist, evsel);
- else
- evlist__add(evlist, evsel);
-
+ evlist__add(evlist, evsel);
return evsel;
}
