From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760087AbZEFMWZ (ORCPT ); Wed, 6 May 2009 08:22:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760061AbZEFMWA (ORCPT ); Wed, 6 May 2009 08:22:00 -0400 Received: from hera.kernel.org ([140.211.167.34]:36054 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760073AbZEFMV7 (ORCPT ); Wed, 6 May 2009 08:21:59 -0400 Date: Wed, 6 May 2009 12:19:54 GMT From: tip-bot for Mathieu Desnoyers To: linux-tip-commits@vger.kernel.org Cc: linux-kernel@vger.kernel.org, mathieu.desnoyers@polymtl.ca, hpa@zytor.com, mingo@redhat.com, lizf@cn.fujitsu.com, xiaoguangrong@cn.fujitsu.com, tglx@linutronix.de, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, mathieu.desnoyers@polymtl.ca, linux-kernel@vger.kernel.org, lizf@cn.fujitsu.com, tglx@linutronix.de, xiaoguangrong@cn.fujitsu.com, mingo@elte.hu In-Reply-To: <49FFFDB7.1050402@cn.fujitsu.com> References: <49FFFDB7.1050402@cn.fujitsu.com> Subject: [tip:tracing/core] tracepoint: trace_sched_migrate_task(): remove parameter Message-ID: Git-Commit-ID: de1d7286060430e79a1d50ad6e5fee8fe863c5f6 X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Wed, 06 May 2009 12:20:00 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: de1d7286060430e79a1d50ad6e5fee8fe863c5f6 Gitweb: http://git.kernel.org/tip/de1d7286060430e79a1d50ad6e5fee8fe863c5f6 Author: Mathieu Desnoyers AuthorDate: Tue, 5 May 2009 16:49:59 +0800 Committer: Ingo Molnar CommitDate: Wed, 6 May 2009 12:15:51 +0200 tracepoint: trace_sched_migrate_task(): remove parameter The orig_cpu parameter in trace_sched_migrate_task() is not necessary, it can be got by using task_cpu(p) in the probe. [ Impact: micro-optimization ] Signed-off-by: Mathieu Desnoyers [ modified from Mathieu's patch. The original patch is at: http://marc.info/?l=linux-kernel&m=123791201716239&w=2 ] Signed-off-by: Xiao Guangrong Cc: fweisbec@gmail.com Cc: rostedt@goodmis.org Cc: Li Zefan Cc: zhaolei@cn.fujitsu.com Cc: laijs@cn.fujitsu.com LKML-Reference: <49FFFDB7.1050402@cn.fujitsu.com> Signed-off-by: Ingo Molnar --- include/trace/events/sched.h | 6 +++--- kernel/sched.c | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index ffa1cab..dd4033c 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -180,9 +180,9 @@ TRACE_EVENT(sched_switch, */ TRACE_EVENT(sched_migrate_task, - TP_PROTO(struct task_struct *p, int orig_cpu, int dest_cpu), + TP_PROTO(struct task_struct *p, int dest_cpu), - TP_ARGS(p, orig_cpu, dest_cpu), + TP_ARGS(p, dest_cpu), TP_STRUCT__entry( __array( char, comm, TASK_COMM_LEN ) @@ -196,7 +196,7 @@ TRACE_EVENT(sched_migrate_task, memcpy(__entry->comm, p->comm, TASK_COMM_LEN); __entry->pid = p->pid; __entry->prio = p->prio; - __entry->orig_cpu = orig_cpu; + __entry->orig_cpu = task_cpu(p); __entry->dest_cpu = dest_cpu; ), diff --git a/kernel/sched.c b/kernel/sched.c index 9f7ffd0..9cdedbd 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -1954,7 +1954,7 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu) clock_offset = old_rq->clock - new_rq->clock; - trace_sched_migrate_task(p, task_cpu(p), new_cpu); + trace_sched_migrate_task(p, new_cpu); #ifdef CONFIG_SCHEDSTATS if (p->se.wait_start)