Re: perf: regression with PERF_EVENT_IOC_REFRESH

From: Peter Zijlstra
Date: Sat May 28 2011 - 06:28:11 EST


On Fri, 2011-05-27 at 23:38 -0400, Vince Weaver wrote:
> on that note (and while trying to document exactly what the ioctls do) it
> seems that a PERF_EVENT_IOC_REFRESH with an argument of anything higher
> than one does not work on kernels 2.6.36 and newer. The behavior acts
> as if 1 was passed, even if you pass in, say, 3.

Urgh, no that should definitely work. Thanks for the test-case, I'll
work on that (probably not until Monday though, but who knows).
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