linux-kernel - [PATCH 05/21] perf sched: Remove sched_process

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Date:	Wed, 14 Aug 2013 15:24:59 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 05/21] perf sched: Remove sched_process_exit tracepoint

From: David Ahern <dsahern@...il.com>

Event is not needed nor analyzed. Since perf-sched leverages perf-record
to capture the sched data, we already capture task events like EXIT.

Signed-off-by: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/1375930261-77273-5-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-sched.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 5285024..42f4587 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1392,15 +1392,6 @@ static int process_sched_fork_event(struct perf_tool *tool,
 	return 0;
 }
 
-static int process_sched_exit_event(struct perf_tool *tool __maybe_unused,
-				    struct perf_evsel *evsel,
-				    struct perf_sample *sample __maybe_unused,
-				    struct machine *machine __maybe_unused)
-{
-	pr_debug("sched_exit event %p\n", evsel);
-	return 0;
-}
-
 static int process_sched_migrate_task_event(struct perf_tool *tool,
 					    struct perf_evsel *evsel,
 					    struct perf_sample *sample,
@@ -1447,7 +1438,6 @@ static int perf_sched__read_events(struct perf_sched *sched,
 		{ "sched:sched_wakeup",	      process_sched_wakeup_event, },
 		{ "sched:sched_wakeup_new",   process_sched_wakeup_event, },
 		{ "sched:sched_process_fork", process_sched_fork_event, },
-		{ "sched:sched_process_exit", process_sched_exit_event, },
 		{ "sched:sched_migrate_task", process_sched_migrate_task_event, },
 	};
 	struct perf_session *session;
@@ -1634,7 +1624,6 @@ static int __cmd_record(int argc, const char **argv)
 		"-e", "sched:sched_stat_sleep",
 		"-e", "sched:sched_stat_iowait",
 		"-e", "sched:sched_stat_runtime",
-		"-e", "sched:sched_process_exit",
 		"-e", "sched:sched_process_fork",
 		"-e", "sched:sched_wakeup",
 		"-e", "sched:sched_migrate_task",
-- 
1.8.1.4

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