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