linux-kernel - [tip:perf/core] perf thread_map: Add perf_event__fprintf_thread

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Message-ID: <tip-ec7fa596f514b76a5f1003ffe9e6dfb50cb9e811@git.kernel.org>
Date:	Fri, 18 Dec 2015 01:01:27 -0800
From:	tip-bot for Jiri Olsa <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	jolsa@...nel.org, mingo@...nel.org, linux-kernel@...r.kernel.org,
	namhyung@...nel.org, tglx@...utronix.de, a.p.zijlstra@...llo.nl,
	dsahern@...il.com, hpa@...or.com, acme@...hat.com,
	kan.liang@...el.com
Subject: [tip:perf/core] perf thread_map:
  Add perf_event__fprintf_thread_map function

Commit-ID:  ec7fa596f514b76a5f1003ffe9e6dfb50cb9e811
Gitweb:     http://git.kernel.org/tip/ec7fa596f514b76a5f1003ffe9e6dfb50cb9e811
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Sun, 25 Oct 2015 15:51:22 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 17 Dec 2015 14:38:17 -0300

perf thread_map: Add perf_event__fprintf_thread_map function

To display a thread_map event for a 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/1445784728-21732-7-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 b13373a..938f006 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -820,6 +820,22 @@ size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp)
 		       event->mmap2.filename);
 }
 
+size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp)
+{
+	struct thread_map *threads = thread_map__new_event(&event->thread_map);
+	size_t ret;
+
+	ret = fprintf(fp, " nr: ");
+
+	if (threads)
+		ret += thread_map__fprintf(threads, fp);
+	else
+		ret += fprintf(fp, "failed to get threads from event\n");
+
+	thread_map__put(threads);
+	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 952dd4d..b7ad896 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -516,6 +516,7 @@ size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
 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(union perf_event *event, FILE *fp);
 
 u64 kallsyms__get_function_start(const char *kallsyms_filename,
--
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