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| author |  Namhyung Kim <namhyung@kernel.org>
| 2022-10-03 13:46:44 -0700 |
|---|---|---|
| committer |  Arnaldo Carvalho de Melo <acme@redhat.com>
| 2022-10-06 08:03:53 -0300 |
| commit | 7e2450bb756c84cdc2b2668b1036ac105453ed5f (patch) | |
| tree | 8f49bed257d3100a1c4c545cbb943aa23e04a671 /tools/lib/perf/include | |
| parent | libperf: Populate system-wide evsel maps (diff) | |
| download | linux-7e2450bb756c84cdc2b2668b1036ac105453ed5f.tar.gz linux-7e2450bb756c84cdc2b2668b1036ac105453ed5f.tar.bz2 linux-7e2450bb756c84cdc2b2668b1036ac105453ed5f.zip | |
libperf: Propagate maps only if necessary
The current code propagate evsel's cpu map settings to evlist when it's
added to an evlist. But the evlist->all_cpus and each evsel's cpus will
be updated in perf_evlist__set_maps() later. No need to do it before
evlist's cpus are set actually.
In fact it discards this intermediate all_cpus maps at the beginning
of perf_evlist__set_maps(). Let's not do this. It's only needed when
an evsel is added after the evlist cpu/thread maps are set.
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/20221003204647.1481128-3-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/perf/include')
| -rw-r--r-- | tools/lib/perf/include/internal/evlist.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/lib/perf/include/internal/evlist.h b/tools/lib/perf/include/internal/evlist.h index 6f89aec3e608..850f07070036 100644 --- a/tools/lib/perf/include/internal/evlist.h +++ b/tools/lib/perf/include/internal/evlist.h @@ -19,6 +19,7 @@ struct perf_evlist { int nr_entries; int nr_groups; bool has_user_cpus; + bool needs_map_propagation; /** * The cpus passed from the command line or all online CPUs by * default. |