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Date: Thu, 27 Feb 2014 03:45:35 +0000
From: Ken Moffat <zarniwhoop@ntlworld.com>
To: Mike Galbraith <bitbucket@online.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 3.13.5 : rm -rf running forever, one cpu at approx 100%
Message-ID: <20140227034535.GC14346@milliways>
References: <20140227005246.GB10367@milliways>
 <1393471595.5519.22.camel@marge.simpson.net>
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On Thu, Feb 27, 2014 at 04:26:35AM +0100, Mike Galbraith wrote:
> 
> I would start with strace to see if a task is looping in userspace, then
> move on to perf top -g -p <pid> (or perf record/report) to peek at what
> it's up to in the kernel.  Once you have the where, trace_printk() is
> the best thing since sliced bread (which ranks just below printk()).
> 
> -Mike
 Thanks.  I'll need to build perf.

ĸen
-- 
das eine Mal als Tragödie, dieses Mal als Farce
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