Messages in this thread | | | Subject | Re: [PATCH v2 1/6] perf: Add interface to add general events to sysfs | From | Lin Ming <> | Date | Tue, 26 Jul 2011 13:50:43 +0800 |
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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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