linux-kernel - Re: [PATCH 2/4] trace: prepare to collect call chains of non-current task.

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Date:	Tue, 27 Sep 2011 16:02:31 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Andrew Vagin <avagin@...nvz.org>
Cc:	linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: [PATCH 2/4] trace: prepare to collect call chains of
 non-current task.

On Mon, 2011-09-26 at 19:55 +0400, Andrew Vagin wrote:
> +perf_callchain_kernel(struct perf_callchain_entry *entry,
> +                       struct task_struct *tsk, struct pt_regs *regs) 

Hmm, we have event->ctx->task, but I guess for per-cpu events that's
useless..


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