Messages in this thread | | | Date | Tue, 3 Jan 2017 10:40:59 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH 2/4] perf/x86: Fix period for non sampling events |
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On Wed, Dec 28, 2016 at 02:31:04PM +0100, Jiri Olsa wrote: > When in counting mode we setup the counter with the > longest possible period and read the value with read > syscall. > > We also still setup the PMI to be triggered when such > counter overflow to reconfigure it. > > We also get PEBS interrupt if such counter has precise_ip > set (which makes no sense, but it's possible).
I think we should reject non sampling pebs events, as you say they make no sense what so ever.
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