linux-kernel - Re: [PATCH 0/3] tracing: more list_empty(perf

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Date:	Tue, 18 Jun 2013 18:24:47 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	"zhangwei(Jovi)" <jovi.zhangwei@...wei.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] tracing: more list_empty(perf_events) checks

On 06/18, Steven Rostedt wrote:
>
> On Tue, 2013-06-18 at 16:46 +0200, Oleg Nesterov wrote:
> >
> > Perhaps you are trying to say that this patch needs more work...
> >
> > Just because it can't be compiled? Pedant.
>
> No, just because when I first looked at it, I didn't think it would,

And your intuition was correct.

It can't be compiled if you also change TRACE_EVENT(sched_stat_runtime)
to use TP_perf_arg(__count, runtime). Hopefully this can be fixed by

	- TRACE_EVENT(...)
	+ DECLARE_EVENT_CLASS(...)
	+ DEFINE_EVENT(...)

Oleg.

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