linux-kernel - Re: [RFC 1/2] kernel patch for dump user space stack tool

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Message-ID: <1335262311.28150.192.camel@twins>
Date:	Tue, 24 Apr 2012 12:11:51 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Yanmin Zhang <yanmin_zhang@...ux.intel.com>
Cc:	Cong Wang <xiyou.wangcong@...il.com>,
	"Tu, Xiaobing" <xiaobing.tu@...el.com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"rusty@...tcorp.com.au" <rusty@...tcorp.com.au>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"rostedt@...dmis.org" <rostedt@...dmis.org>,
	"Zuo, Jiao" <jiao.zuo@...el.com>
Subject: Re: [RFC 1/2] kernel patch for dump user space stack tool

On Tue, 2012-04-24 at 09:30 +0800, Yanmin Zhang wrote:
> Would you like to point out the workable userspace stack walker?
> If there is, we would check if we could reuse it.
> 
> 
arch/x86/kernel/cpu/perf_event.c:perf_callchain_user(), it also deals
with compat stuffs.
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