[PATCH 3/5] perf tools: Get rid of evlist__add_on_all_cpus()

From: Namhyung Kim
Date: Mon Oct 03 2022 - 16:47:11 EST


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>
---
tools/perf/util/evlist.c | 29 ++---------------------------
1 file changed, 2 insertions(+), 27 deletions(-)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index fcfe5bcc0bcf..dcf57b271ff1 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -268,28 +268,6 @@ 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);
@@ -302,14 +280,11 @@ 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;
}

--
2.38.0.rc1.362.ged0d419d3c-goog