From: Peter Zijlstra <peterz@infradead.org>
To: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Cc: mingo@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sched: fix tracepoint in scheduler.
Date: Fri, 4 Apr 2014 14:52:49 +0200 [thread overview]
Message-ID: <20140404125249.GC10526@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1396527168-3929-1-git-send-email-yangds.fnst@cn.fujitsu.com>
On Thu, Apr 03, 2014 at 08:12:48PM +0800, Dongsheng Yang wrote:
> In function set_task_cpu(), if cpu == new_cpu,
> there is no migration happen. But current trace point
> will raise a migration trace event.
>
> This patch change trace point to right place,
> only when migration really happen, an event will
> be threw out.
Yeah its there so we can see pointless 'migrations'.
next prev parent reply other threads:[~2014-04-04 12:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-03 12:12 [PATCH] sched: fix tracepoint in scheduler Dongsheng Yang
2014-04-03 14:18 ` Rik van Riel
2014-04-04 12:52 ` Peter Zijlstra [this message]
2014-05-21 10:03 ` Dongsheng Yang
2014-05-21 10:47 ` Peter Zijlstra
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