linux-kernel - [PATCH 01/21] perf tools: Add perf_evsel__is_sample

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Date:   Wed, 24 Jan 2018 12:51:23 +0100
From:   Jiri Olsa <jolsa@...nel.org>
To:     Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Ingo Molnar <mingo@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andy Lutomirski <luto@...capital.net>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: [PATCH 01/21] perf tools: Add perf_evsel__is_sample_bit function

Adding perf_evsel__is_sample_bit function to check on the
evsel's sample_type bit. It will be used later in the patchset.

Link: http://lkml.kernel.org/n/tip-woz5sp8qxvnhz8h14ne0657g@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/util/evsel.c | 6 ++++++
 tools/perf/util/evsel.h | 5 +++++
 2 files changed, 11 insertions(+)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 66fa45198a11..0f62de48594e 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -183,6 +183,12 @@ void perf_evsel__calc_id_pos(struct perf_evsel *evsel)
 	evsel->is_pos = __perf_evsel__calc_is_pos(evsel->attr.sample_type);
 }
 
+bool __perf_evsel__is_sample_bit(struct perf_evsel *evsel,
+				 enum perf_event_sample_format bit)
+{
+	return evsel->attr.sample_type & bit;
+}
+
 void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
 				  enum perf_event_sample_format bit)
 {
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 846e41644525..e54ea37469b3 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -234,11 +234,16 @@ int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
 void perf_evsel__close_fd(struct perf_evsel *evsel);
 
+bool __perf_evsel__is_sample_bit(struct perf_evsel *evsel,
+				 enum perf_event_sample_format bit);
 void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
 				  enum perf_event_sample_format bit);
 void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
 				    enum perf_event_sample_format bit);
 
+#define perf_evsel__is_sample_bit(evsel, bit) \
+	__perf_evsel__is_sample_bit(evsel, PERF_SAMPLE_##bit)
+
 #define perf_evsel__set_sample_bit(evsel, bit) \
 	__perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
 
-- 
2.13.6