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Date: Thu, 5 May 2022 19:56:37 +0300
From: Adrian Hunter <adrian.hunter@...el.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>, Ian Rogers <irogers@...gle.com>,
Alexey Bayduraev <alexey.v.bayduraev@...ux.intel.com>,
Namhyung Kim <namhyung@...nel.org>,
Leo Yan <leo.yan@...aro.org>, linux-kernel@...r.kernel.org
Subject: [PATCH V1 21/23] libperf evsel: Add comments for booleans
Add comments for 'system_wide' and 'requires_cpu' booleans
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
tools/lib/perf/include/internal/evsel.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tools/lib/perf/include/internal/evsel.h b/tools/lib/perf/include/internal/evsel.h
index 77fbb8b97e5c..f613c3ae868e 100644
--- a/tools/lib/perf/include/internal/evsel.h
+++ b/tools/lib/perf/include/internal/evsel.h
@@ -49,7 +49,15 @@ 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.
+ */
bool system_wide;
+ /*
+ * Some events, for example uncore events, require a CPU.
+ * i.e. it cannot be -1
+ */
bool requires_cpu;
int idx;
};
--
2.25.1
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