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Subject[PATCH V4 13/15] libperf evsel: Add comments for booleans
Date
Add comments for 'system_wide' and 'requires_cpu' booleans

Acked-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
tools/lib/perf/include/internal/evsel.h | 10 ++++++++++
1 file changed, 10 insertions(+)

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;
};
--
2.25.1
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