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| author |   Adrian Hunter <adrian.hunter@intel.com> | 2022-05-24 10:54:34 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-05-26 12:36:57 -0300 |
| commit | f5fb6d4efe15a2f0d2c0c175c3827ac594023996 (patch) | |
| tree | bc790a1cef04d9b76cae4399d904e80a185eafa6 /tools/lib/perf/include/internal | |
| parent | perf stat: Add requires_cpu flag for uncore (diff) | |
| download | linux-dev-f5fb6d4efe15a2f0d2c0c175c3827ac594023996.tar.xz linux-dev-f5fb6d4efe15a2f0d2c0c175c3827ac594023996.zip | |
libperf evsel: Add comments for booleans
Add comments for 'system_wide' and 'requires_cpu' booleans
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Link: https://lore.kernel.org/r/20220524075436.29144-14-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/perf/include/internal')
| -rw-r--r-- | tools/lib/perf/include/internal/evsel.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/lib/perf/include/internal/evsel.h b/tools/lib/perf/include/internal/evsel.h index 77fbb8b97e5c..2a912a1f1989 100644 --- a/tools/lib/perf/include/internal/evsel.h +++ b/tools/lib/perf/include/internal/evsel.h @@ -49,7 +49,17 @@ struct perf_evsel { /* parse modifier helper */ int nr_members; + /* + * system_wide is for events that need to be on every CPU, irrespective + * of user requested CPUs or threads. Map propagation will set cpus to + * this event's own_cpus, whereby they will contribute to evlist + * all_cpus. + */ bool system_wide; + /* + * Some events, for example uncore events, require a CPU. + * i.e. it cannot be the 'any CPU' value of -1. + */ bool requires_cpu; int idx; }; |