linux-kernel - Re: [patch] sched: fix single-depth wchan output

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Date:	Thu, 06 Nov 2008 16:30:08 -0600
From:	"Chris Friesen" <cfriesen@...tel.com>
To:	Matt Mackall <mpm@...enic.com>
CC:	Ingo Molnar <mingo@...e.hu>, Ken Chen <kenchen@...gle.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [patch] sched: fix single-depth wchan output

Matt Mackall wrote:
> On Thu, 2008-11-06 at 07:11 +0100, Ingo Molnar wrote:

>>How about adding a /proc/<PID>/stacktrace file that gives us the stack 
>>trace of any task in the system? That would be useful for a number of 
>>other purposes as well, and about 100 times more useful than wchan. 
>>(often it would be more useful than sysrq-t dumps)
> 
> 
> But this is a great idea, of course.

Agreed.  I know some apps designers that would love to get their hands 
on something like that...



Chris
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