| From | Adrian Hunter <> | Subject | [PATCH V2 21/23] libperf evsel: Add comments for booleans | Date | Fri, 6 May 2022 15:25:59 +0300 |
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Add comments for 'system_wide' and 'requires_cpu' booleans
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- tools/lib/perf/include/internal/evsel.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/tools/lib/perf/include/internal/evsel.h b/tools/lib/perf/include/internal/evsel.h index 77fbb8b97e5c..cc8f1ba790bd 100644 --- a/tools/lib/perf/include/internal/evsel.h +++ b/tools/lib/perf/include/internal/evsel.h @@ -49,7 +49,16 @@ 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 not override + * this events own_cpus, which 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; }; -- 2.25.1
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