From: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Jiri Olsa <jolsa@kernel.org>, <linux-kernel@vger.kernel.org>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: perf,tools: Remove usage of trace_sched_wakeup(.success)
Date: Tue, 13 May 2014 15:34:32 +0900 [thread overview]
Message-ID: <5371BCF8.7030708@cn.fujitsu.com> (raw)
In-Reply-To: <20140513072208.GB7980@gmail.com>
On 05/13/2014 04:22 PM, Ingo Molnar wrote:
> * Peter Zijlstra <peterz@infradead.org> wrote:
>
>> trace_sched_wakeup(.success) is a dead argument and has been for ages,
> Always 0, or random value?
Hi Ingo,
It is always 1 currently.
Peter believe that .success is not useful and I pointed that perf sched
latency
is using it now. Then he post this patch to remove the usage here.
Please go to the following link for more about this issue.
https://lkml.org/lkml/2014/5/12/77
Thanx :)
>
> Thanks,
>
> Ingo
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next prev parent reply other threads:[~2014-05-13 7:34 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-12 18:19 perf,tools: Remove usage of trace_sched_wakeup(.success) Peter Zijlstra
2014-05-13 1:38 ` [PATCH] perf_tools/sched: Remove nr_state_machine_bugs in perf latency Dongsheng Yang
2014-05-13 1:42 ` Dongsheng Yang
2014-05-13 11:56 ` Jiri Olsa
2014-05-19 11:59 ` Jiri Olsa
2014-05-21 9:25 ` Peter Zijlstra
2014-05-21 5:54 ` [tip:perf/core] perf sched: " tip-bot for Dongsheng Yang
2014-05-13 7:22 ` perf,tools: Remove usage of trace_sched_wakeup(.success) Ingo Molnar
2014-05-13 6:34 ` Dongsheng Yang [this message]
2014-05-13 10:03 ` Peter Zijlstra
2014-05-13 10:10 ` Dongsheng Yang
2014-05-13 11:26 ` Peter Zijlstra
2014-05-13 17:14 ` Ingo Molnar
2014-05-13 17:30 ` Peter Zijlstra
2014-05-13 18:15 ` Peter Zijlstra
2014-05-13 10:00 ` Peter Zijlstra
2014-05-21 5:54 ` [tip:perf/core] perf tools: Remove usage of trace_sched_wakeup( .success) tip-bot for Peter Zijlstra
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