Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753455AbXHBNxY (ORCPT ); Thu, 2 Aug 2007 09:53:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750841AbXHBNxQ (ORCPT ); Thu, 2 Aug 2007 09:53:16 -0400 Received: from ug-out-1314.google.com ([66.249.92.172]:20032 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750750AbXHBNxP (ORCPT ); Thu, 2 Aug 2007 09:53:15 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition:x-google-sender-auth; b=Er3qpvNdVIOrNOmK54/9ssWuhYfwa+M5ORr8ub3C70i9zVF3vBGmD4LoZxnqVohHBkCjnFW1Y+zlneh6e22OC27w0qtEW8jhalXoli+Xt7BSekjW0RHz+Uti6q5lcAn8gQl5yK6tuoB5IlyLSkvOAmzS13mWPfrecnLnyXZiX5s= Message-ID: <3d8471ca0708020653l575db8cam464a3cffce68fb26@mail.gmail.com> Date: Thu, 2 Aug 2007 15:53:13 +0200 From: "Guillaume Chazarain" To: "Andrew Morton" , "Balbir Singh" , "Linux Kernel Mailing List" Subject: [PATCH] Add all thread stats for TASKSTATS_CMD_ATTR_TGID MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Google-Sender-Auth: dd72f6a7d4030619 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2603 Lines: 75 [Resent with different recipients as nagar@watson.ibm.com bounced with a User unknown] Hi, This patch adds all thread accounting stats for the global tgid stats. As a shameless plug, this fixes iotop -P (http://guichaz.free.fr/misc/iotop.py). Signed-off-by: Guillaume Chazarain --- diff -r 22708012ca6e kernel/taskstats.c --- a/kernel/taskstats.c Tue Jul 31 21:12:07 2007 -0700 +++ b/kernel/taskstats.c Wed Aug 01 17:43:54 2007 +0200 @@ -233,6 +233,7 @@ static int fill_tgid(pid_t tgid, struct memset(stats, 0, sizeof(*stats)); tsk = first; + bacct_add_tsk(stats, first); do { if (tsk->exit_state) continue; @@ -246,6 +247,7 @@ static int fill_tgid(pid_t tgid, struct stats->nvcsw += tsk->nvcsw; stats->nivcsw += tsk->nivcsw; + xacct_add_tsk(stats, tsk); } while_each_thread(first, tsk); unlock_task_sighand(first, &flags); diff -r 22708012ca6e kernel/tsacct.c --- a/kernel/tsacct.c Tue Jul 31 21:12:07 2007 -0700 +++ b/kernel/tsacct.c Wed Aug 01 17:41:40 2007 +0200 @@ -81,8 +81,8 @@ void xacct_add_tsk(struct taskstats *sta struct mm_struct *mm; /* convert pages-jiffies to Mbyte-usec */ - stats->coremem = jiffies_to_usecs(p->acct_rss_mem1) * PAGE_SIZE / MB; - stats->virtmem = jiffies_to_usecs(p->acct_vm_mem1) * PAGE_SIZE / MB; + stats->coremem += jiffies_to_usecs(p->acct_rss_mem1) * PAGE_SIZE / MB; + stats->virtmem += jiffies_to_usecs(p->acct_vm_mem1) * PAGE_SIZE / MB; mm = get_task_mm(p); if (mm) { /* adjust to KB unit */ @@ -90,18 +90,14 @@ void xacct_add_tsk(struct taskstats *sta stats->hiwater_vm = mm->hiwater_vm * PAGE_SIZE / KB; mmput(mm); } - stats->read_char = p->rchar; - stats->write_char = p->wchar; - stats->read_syscalls = p->syscr; - stats->write_syscalls = p->syscw; + stats->read_char += p->rchar; + stats->write_char += p->wchar; + stats->read_syscalls += p->syscr; + stats->write_syscalls += p->syscw; #ifdef CONFIG_TASK_IO_ACCOUNTING - stats->read_bytes = p->ioac.read_bytes; - stats->write_bytes = p->ioac.write_bytes; - stats->cancelled_write_bytes = p->ioac.cancelled_write_bytes; -#else - stats->read_bytes = 0; - stats->write_bytes = 0; - stats->cancelled_write_bytes = 0; + stats->read_bytes += p->ioac.read_bytes; + stats->write_bytes += p->ioac.write_bytes; + stats->cancelled_write_bytes += p->ioac.cancelled_write_bytes; #endif } #undef KB - 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/