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| author | Namhyung Kim <namhyung@kernel.org> | 2022-10-03 23:46:43 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-10-06 14:03:53 +0300 |
| commit | 06b552ee378193a3a67d7124f3f0e76989881fed (patch) | |
| tree | 95ece3a2b4d0af161d31b8b38c744582c39a2a27 /tools/lib | |
| parent | d7184d9487e9791a89f3304bd015da9569b1099b (diff) | |
| download | linux-06b552ee378193a3a67d7124f3f0e76989881fed.tar.xz | |
libperf: Populate system-wide evsel maps
Setting proper cpu and thread maps for system wide evsels regardless of
user requested cpu in __perf_evlist__propagate_maps(). Those evsels
need to be active on all cpus always. Do it in the libperf so that we
can guarantee it has proper maps.
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20221003204647.1481128-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/perf/evlist.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c index 0e7347d1583d..19eaea99aa4f 100644 --- a/tools/lib/perf/evlist.c +++ b/tools/lib/perf/evlist.c @@ -40,11 +40,11 @@ static void __perf_evlist__propagate_maps(struct perf_evlist *evlist, * We already have cpus for evsel (via PMU sysfs) so * keep it, if there's no target cpu list defined. */ - if (!evsel->own_cpus || - (!evsel->system_wide && evlist->has_user_cpus) || - (!evsel->system_wide && - !evsel->requires_cpu && - perf_cpu_map__empty(evlist->user_requested_cpus))) { + if (evsel->system_wide) { + perf_cpu_map__put(evsel->cpus); + evsel->cpus = perf_cpu_map__new(NULL); + } else if (!evsel->own_cpus || evlist->has_user_cpus || + (!evsel->requires_cpu && perf_cpu_map__empty(evlist->user_requested_cpus))) { perf_cpu_map__put(evsel->cpus); evsel->cpus = perf_cpu_map__get(evlist->user_requested_cpus); } else if (evsel->cpus != evsel->own_cpus) { @@ -52,7 +52,10 @@ static void __perf_evlist__propagate_maps(struct perf_evlist *evlist, evsel->cpus = perf_cpu_map__get(evsel->own_cpus); } - if (!evsel->system_wide) { + if (evsel->system_wide) { + perf_thread_map__put(evsel->threads); + evsel->threads = perf_thread_map__new_dummy(); + } else { perf_thread_map__put(evsel->threads); evsel->threads = perf_thread_map__get(evlist->threads); } |