From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754697AbZHOOgw (ORCPT ); Sat, 15 Aug 2009 10:36:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753955AbZHOOgv (ORCPT ); Sat, 15 Aug 2009 10:36:51 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:41782 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753794AbZHOOgv (ORCPT ); Sat, 15 Aug 2009 10:36:51 -0400 Date: Sat, 15 Aug 2009 23:36:41 +0900 (JST) X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 From: KOSAKI Motohiro To: LKML Subject: [PATCH] proc: let task status file print utime and stime. Cc: kosaki.motohiro@jp.fujitsu.com, Tatsuhiro Aoshima , YOSHIFUJI Hideaki Message-Id: <20090815233629.A067.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.50.07 [ja] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tatsuhiro Aoshima Subject: [PATCH] proc: let task status file print utime and stime. The task status file in proc file system did not contain user-time and system-time. Thus, users could not get those information of running task easily. I think these values should be provived in human readable format. By this patch, users can get stime and utime very easily. Signed-off-by: Tatsuhiro Aoshima Signed-off-by: YOSHIFUJI Hideaki Signed-off-by: KOSAKI Motohiro --- fs/proc/array.c | 11 +++++++++-- 1 files changed, 9 insertions(+), 2 deletions(-) diff --git a/fs/proc/array.c b/fs/proc/array.c index 725a650..29afa68 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -162,6 +162,7 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns, struct fdtable *fdt = NULL; const struct cred *cred; pid_t ppid, tpid; + struct timeval utime, stime; rcu_read_lock(); ppid = pid_alive(p) ? @@ -173,6 +174,8 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns, tpid = task_pid_nr_ns(tracer, ns); } cred = get_cred((struct cred *) __task_cred(p)); + cputime_to_timeval(task_utime(p), &utime); + cputime_to_timeval(task_stime(p), &stime); seq_printf(m, "State:\t%s\n" "Tgid:\t%d\n" @@ -180,13 +183,17 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns, "PPid:\t%d\n" "TracerPid:\t%d\n" "Uid:\t%d\t%d\t%d\t%d\n" - "Gid:\t%d\t%d\t%d\t%d\n", + "Gid:\t%d\t%d\t%d\t%d\n" + "Utime:\t%lu.%06lu\n" + "Stime:\t%lu.%06lu\n", get_task_state(p), task_tgid_nr_ns(p, ns), pid_nr_ns(pid, ns), ppid, tpid, cred->uid, cred->euid, cred->suid, cred->fsuid, - cred->gid, cred->egid, cred->sgid, cred->fsgid); + cred->gid, cred->egid, cred->sgid, cred->fsgid, + (unsigned long) utime.tv_sec, (unsigned long) utime.tv_usec, + (unsigned long) stime.tv_sec, (unsigned long) stime.tv_usec); task_lock(p); if (p->files) -- 1.4.4.4