linux-kernel - [PATCH 08/43] perf cpu_map: Add perf_event__fprintf_cpu

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Message-Id: <1450381644-25674-9-git-send-email-acme@kernel.org>
Date:	Thu, 17 Dec 2015 16:46:49 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
	David Ahern <dsahern@...il.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 08/43] perf cpu_map: Add perf_event__fprintf_cpu_map function

From: Jiri Olsa <jolsa@...nel.org>

To display a cpu_map event for raw dump.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Tested-by: Kan Liang <kan.liang@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-11-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/event.c | 16 ++++++++++++++++
 tools/perf/util/event.h |  1 +
 2 files changed, 17 insertions(+)

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 15d6466a4b8f..f31ab3b8f918 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -968,6 +968,22 @@ size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp)
 	return ret;
 }
 
+size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp)
+{
+	struct cpu_map *cpus = cpu_map__new_data(&event->cpu_map.data);
+	size_t ret;
+
+	ret = fprintf(fp, " nr: ");
+
+	if (cpus)
+		ret += cpu_map__fprintf(cpus, fp);
+	else
+		ret += fprintf(fp, "failed to get cpumap from event\n");
+
+	cpu_map__put(cpus);
+	return ret;
+}
+
 int perf_event__process_mmap(struct perf_tool *tool __maybe_unused,
 			     union perf_event *event,
 			     struct perf_sample *sample,
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index de18ee0e9c96..74a434116b2c 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -550,6 +550,7 @@ size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp);
 size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp);
 size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp);
 size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp);
+size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp);
 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
 
 u64 kallsyms__get_function_start(const char *kallsyms_filename,
-- 
2.1.0

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