linux-kernel - [tip:perf/core] tracing: Convert more sched events to DEFINE

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Date:	Tue, 29 Jun 2010 09:22:39 GMT
From:	tip-bot for Li Zefan <lizf@...fujitsu.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	rostedt@...dmis.org, lizf@...fujitsu.com, tglx@...utronix.de
Subject: [tip:perf/core] tracing: Convert more sched events to DEFINE_EVENT

Commit-ID:  210f766915207636acccba7bec42248bfe882998
Gitweb:     http://git.kernel.org/tip/210f766915207636acccba7bec42248bfe882998
Author:     Li Zefan <lizf@...fujitsu.com>
AuthorDate: Mon, 24 May 2010 16:23:35 +0800
Committer:  Steven Rostedt <rostedt@...dmis.org>
CommitDate: Mon, 28 Jun 2010 17:12:50 -0400

tracing: Convert more sched events to DEFINE_EVENT

Convert sched_wait_task to DEFINE_EVENT, and save ~1K:

   text    data     bss     dec     hex filename
 104595    9424    4992  119011   1d0e3 kernel/sched.o.orig
 103619    9344    4992  117955   1ccc3 kernel/sched.o

No change in functionality.

Signed-off-by: Li Zefan <lizf@...fujitsu.com>
LKML-Reference: <4BFA3787.2040800@...fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
---
 include/trace/events/sched.h |   32 +++++++-------------------------
 1 files changed, 7 insertions(+), 25 deletions(-)

diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index b9e1dd6..9208c92 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -50,31 +50,6 @@ TRACE_EVENT(sched_kthread_stop_ret,
 );
 
 /*
- * Tracepoint for waiting on task to unschedule:
- */
-TRACE_EVENT(sched_wait_task,
-
-	TP_PROTO(struct task_struct *p),
-
-	TP_ARGS(p),
-
-	TP_STRUCT__entry(
-		__array(	char,	comm,	TASK_COMM_LEN	)
-		__field(	pid_t,	pid			)
-		__field(	int,	prio			)
-	),
-
-	TP_fast_assign(
-		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
-		__entry->pid	= p->pid;
-		__entry->prio	= p->prio;
-	),
-
-	TP_printk("comm=%s pid=%d prio=%d",
-		  __entry->comm, __entry->pid, __entry->prio)
-);
-
-/*
  * Tracepoint for waking up a task:
  */
 DECLARE_EVENT_CLASS(sched_wakeup_template,
@@ -240,6 +215,13 @@ DEFINE_EVENT(sched_process_template, sched_process_exit,
 	     TP_ARGS(p));
 
 /*
+ * Tracepoint for waiting on task to unschedule:
+ */
+DEFINE_EVENT(sched_process_template, sched_wait_task,
+	TP_PROTO(struct task_struct *p),
+	TP_ARGS(p));
+
+/*
  * Tracepoint for a waiting task:
  */
 TRACE_EVENT(sched_process_wait,
--
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