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Subject: Re: [PATCH v2 1/6] perf: Add interface to add general events to
 sysfs
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Lin Ming <ming.m.lin@intel.com>
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Date: Mon, 25 Jul 2011 10:32:03 +0200
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On Mon, 2011-07-25 at 16:11 +0800, Lin Ming wrote:
> It's strange that I didn't find a way to check if a directory is present
> in sysfs. Any hint?

sysfs is voodoo for me, best I can come up with is, ask the sysfs
folks ;-)

Kay, Greg?