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SubjectRe: [PATCH v2 1/6] perf: Add interface to add general events to sysfs
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On Tue, 2011-07-26 at 12:42 +0800, Greg KH wrote:
> On Tue, Jul 26, 2011 at 09:06:07AM +0800, Lin Ming wrote:
> > On Mon, 2011-07-25 at 23:20 +0800, Greg KH wrote:
> > > On Mon, Jul 25, 2011 at 10:32:03AM +0200, Peter Zijlstra wrote:
> > > > 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?
> > >
> > > What are you trying to do here specifically?
> >
> > Now there are perf event source devices in sysfs.
>
> As of what kernel release?

Since v2.6.38-rc1, commit abe4340(perf: Sysfs enumeration)



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