From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: [merged] sched-add-a-comment-to-get_cpu_idle_time_us.patch removed from -mm tree Date: Tue, 11 May 2010 12:16:42 -0400 Message-ID: <201005111918.o4BJIBm8018183@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:50558 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752507Ab0EKTSO (ORCPT ); Tue, 11 May 2010 15:18:14 -0400 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: arjan@linux.intel.com, mm-commits@vger.kernel.org The patch titled sched: add a comment to get_cpu_idle_time_us() has been removed from the -mm tree. Its filename was sched-add-a-comment-to-get_cpu_idle_time_us.patch This patch was dropped because it was merged into mainline or a subsystem tree The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: sched: add a comment to get_cpu_idle_time_us() From: Arjan van de Ven The exported function get_cpu_idle_time_us() has no comment describing it; add a kerneldoc comment Signed-off-by: Arjan van de Ven Signed-off-by: Andrew Morton --- kernel/time/tick-sched.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff -puN kernel/time/tick-sched.c~sched-add-a-comment-to-get_cpu_idle_time_us kernel/time/tick-sched.c --- a/kernel/time/tick-sched.c~sched-add-a-comment-to-get_cpu_idle_time_us +++ a/kernel/time/tick-sched.c @@ -179,6 +179,20 @@ static ktime_t tick_nohz_start_idle(stru return now; } +/** + * get_cpu_idle_time_us - get the total idle time of a cpu + * @cpu: CPU number to query + * @last_update_time: variable to store update time in + * + * Return the cummulative idle time (since boot) for a given + * CPU, in microseconds. The idle time returned includes + * the iowait time (unlike what "top" and co report). + * + * This time is measured via accounting rather than sampling, + * and is as accurate as ktime_get() is. + * + * This function returns -1 if NOHZ is not enabled. + */ u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time) { struct tick_sched *ts = &per_cpu(tick_cpu_sched, cpu); _ Patches currently in -mm which might be from arjan@linux.intel.com are linux-next.patch cpuidle-add-a-repeating-pattern-detector-to-the-menu-governor.patch