Messages in this thread | | | Subject | Re: [RFC][PATCH] perf_events, x86: PEBS support | From | Peter Zijlstra <> | Date | Tue, 02 Feb 2010 19:33:08 +0100 |
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On Tue, 2010-02-02 at 19:26 +0100, Ingo Molnar wrote: > * Peter Zijlstra <peterz@infradead.org> wrote:
> > @@ -203,8 +203,9 @@ struct perf_event_attr { > > enable_on_exec : 1, /* next exec enables */ > > task : 1, /* trace fork/exit */ > > watermark : 1, /* wakeup_watermark */ > > + precise : 1, > > I think we want to default to precise events even if not specifically > requested by user-space, in the cases where that's possible on the CPU > without additional limitations. > > That way people will default to better (and possibly cheaper) PEBS profiling > on modern Intel CPUs.
Sure, I'll look at that once it starts working :-)
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