Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756341AbYFDDU7 (ORCPT ); Tue, 3 Jun 2008 23:20:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752143AbYFDDUv (ORCPT ); Tue, 3 Jun 2008 23:20:51 -0400 Received: from gateway-1237.mvista.com ([63.81.120.158]:35300 "EHLO gateway-1237.mvista.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751776AbYFDDUu (ORCPT ); Tue, 3 Jun 2008 23:20:50 -0400 Date: Tue, 3 Jun 2008 20:20:50 -0700 From: Keika Kobayashi To: KOSAKI Motohiro Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org Subject: [PATCH 2/4] per-task-delay-accounting: update taskstats for memory reclaim delay Message-Id: <20080603202050.1191de61.kobayashi.kk@ncos.nec.co.jp> In-Reply-To: <20080604115828.9405.KOSAKI.MOTOHIRO@jp.fujitsu.com> References: <20080603193825.12dbfff1.kobayashi.kk@ncos.nec.co.jp> <20080603194216.fdf42dd4.kobayashi.kk@ncos.nec.co.jp> <20080604115828.9405.KOSAKI.MOTOHIRO@jp.fujitsu.com> X-Mailer: Sylpheed 2.4.8 (GTK+ 2.10.14; i686-pc-mingw32) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2093 Lines: 60 Add members for memory reclaim delay to taskstats, and accumulate them in __delayacct_add_tsk() . Signed-off-by: Keika Kobayashi --- On Wed, 04 Jun 2008 11:59:04 +0900 KOSAKI Motohiro wrote: > Hi > > > Signed-off-by: Keika Kobayashi > > --- > > Please write patch desctiption :) Thank you for your comment. Here is update version. include/linux/taskstats.h | 4 ++++ kernel/delayacct.c | 3 +++ 2 files changed, 7 insertions(+), 0 deletions(-) diff --git a/include/linux/taskstats.h b/include/linux/taskstats.h index 5d69c07..87aae21 100644 --- a/include/linux/taskstats.h +++ b/include/linux/taskstats.h @@ -81,6 +81,10 @@ struct taskstats { __u64 swapin_count; __u64 swapin_delay_total; + /* Delay waiting for memory reclaim */ + __u64 freepages_count; + __u64 freepages_delay_total; + /* cpu "wall-clock" running time * On some architectures, value will adjust for cpu time stolen * from the kernel in involuntary waits due to virtualization. diff --git a/kernel/delayacct.c b/kernel/delayacct.c index 84b6782..b3179da 100644 --- a/kernel/delayacct.c +++ b/kernel/delayacct.c @@ -145,8 +145,11 @@ int __delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk) d->blkio_delay_total = (tmp < d->blkio_delay_total) ? 0 : tmp; tmp = d->swapin_delay_total + tsk->delays->swapin_delay; d->swapin_delay_total = (tmp < d->swapin_delay_total) ? 0 : tmp; + tmp = d->freepages_delay_total + tsk->delays->freepages_delay; + d->freepages_delay_total = (tmp < d->freepages_delay_total) ? 0 : tmp; d->blkio_count += tsk->delays->blkio_count; d->swapin_count += tsk->delays->swapin_count; + d->freepages_count += tsk->delays->freepages_count; spin_unlock_irqrestore(&tsk->delays->lock, flags); done: -- 1.5.0.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/