From: Alex Shi <alex.shi@intel.com>
To: mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de,
akpm@linux-foundation.org, arjan@linux.intel.com, bp@alien8.de,
pjt@google.com, namhyung@kernel.org, efault@gmx.de,
morten.rasmussen@arm.com
Cc: vincent.guittot@linaro.org, gregkh@linuxfoundation.org,
preeti@linux.vnet.ibm.com, viresh.kumar@linaro.org,
linux-kernel@vger.kernel.org, alex.shi@intel.com,
len.brown@intel.com, rafael.j.wysocki@intel.com, jkosina@suse.cz,
clark.williams@gmail.com, tony.luck@intel.com,
keescook@chromium.org, mgorman@suse.de, riel@redhat.com
Subject: [PATCH v4 3/6] sched: update cpu load after task_tick.
Date: Sat, 27 Apr 2013 13:25:41 +0800 [thread overview]
Message-ID: <1367040344-14485-4-git-send-email-alex.shi@intel.com> (raw)
In-Reply-To: <1367040344-14485-1-git-send-email-alex.shi@intel.com>
To get the latest runnable info, we need do this cpuload update after
task_tick.
Signed-off-by: Alex Shi <alex.shi@intel.com>
---
kernel/sched/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index e0c003a..0fedeed 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2690,8 +2690,8 @@ void scheduler_tick(void)
raw_spin_lock(&rq->lock);
update_rq_clock(rq);
- update_cpu_load_active(rq);
curr->sched_class->task_tick(rq, curr, 0);
+ update_cpu_load_active(rq);
raw_spin_unlock(&rq->lock);
perf_event_task_tick();
--
1.7.12
next prev parent reply other threads:[~2013-04-27 5:27 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-27 5:25 [PATCH v4 0/6] sched: use runnable load based balance Alex Shi
2013-04-27 5:25 ` [PATCH v4 1/6] Revert "sched: Introduce temporary FAIR_GROUP_SCHED dependency for load-tracking" Alex Shi
2013-04-27 5:25 ` [PATCH v4 2/6] sched: set initial value of runnable avg for new forked task Alex Shi
2013-05-02 11:01 ` Peter Zijlstra
2013-04-27 5:25 ` Alex Shi [this message]
2013-04-27 5:25 ` [PATCH v4 4/6] sched: compute runnable load avg in cpu_load and cpu_avg_load_per_task Alex Shi
2013-04-27 5:25 ` [PATCH v4 5/6] sched: consider runnable load average in move_tasks Alex Shi
2013-04-27 5:25 ` [PATCH v4 6/6] sched: consider runnable load average in effective_load Alex Shi
2013-05-02 13:19 ` Peter Zijlstra
2013-05-03 7:39 ` Alex Shi
2013-05-01 12:14 ` [PATCH v4 0/6] sched: use runnable load based balance Peter Zijlstra
2013-05-02 0:38 ` Alex Shi
2013-05-02 10:35 ` Peter Zijlstra
2013-05-03 7:55 ` Alex Shi
2013-05-03 8:54 ` Alex Shi
2013-05-07 7:51 ` Alex Shi
2013-05-08 16:11 ` Peter Zijlstra
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