| Date | Tue, 21 Oct 2014 13:18:06 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2 05/12] perf/x86: add cross-HT counter exclusion infrastructure |
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On Thu, Oct 09, 2014 at 06:34:39PM +0200, Stephane Eranian wrote: > +++ b/arch/x86/kernel/cpu/perf_event.h > @@ -71,6 +71,7 @@ struct event_constraint { > #define PERF_X86_EVENT_COMMITTED 0x8 /* event passed commit_txn */ > #define PERF_X86_EVENT_PEBS_LD_HSW 0x10 /* haswell style datala, load */ > #define PERF_X86_EVENT_PEBS_NA_HSW 0x20 /* haswell style datala, unknown */ > +#define PERF_X86_EVENT_EXCL 0x40 /* HT exclusivity on counter */ >
lkml.kernel.org/r/CAHzUATgam8qrma+B-d=9jOHpmmiwNwk-717roNY=ndbJAZefjw@mail.gmail.com
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