Messages in this thread | | | Date | Fri, 4 Mar 2011 22:19:48 +0100 | Subject | Re: [PATCH] perf_events: update PEBS event constraints (v2) | From | Stephane Eranian <> |
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Sorry for the delay. I realize I did not answer this message earlier.
On Wed, Mar 2, 2011 at 9:14 AM, Ingo Molnar <mingo@elte.hu> wrote: > > * Stephane Eranian <eranian@google.com> wrote: > >> On Wed, Mar 2, 2011 at 1:56 AM, Lin Ming <ming.m.lin@intel.com> wrote: >> > On Wed, 2011-03-02 at 04:20 +0800, Stephane Eranian wrote: >> >> This patch updates PEBS event constraints for Intel Atom, Nehalem, Westmere. >> >> >> >> This patch also reorganizes the PEBS format/constraint detection code. It is >> >> now based on processor model and not PEBS format. Two processors may use the >> >> same PEBS format without have the same list of PEBS events. >> >> >> >> In this second version, we simplified the initialization of the PEBS constraints >> >> by leveraging the existing switch() statement in perf_event_intel.c. We also >> >> renamed the constraint tables to be more consistent with regular constraints. >> > >> > Hi, Stephane >> > >> > Nice updates. >> > Wondering where did you get these PEBS event constraints? I didn't find >> > these in the latest manual. >> > >> Yeah, the manual is lacking some information. The other source of information >> is the PTU event files (whatif.intel.com). > > Plus i suspect you have performed testing on affected CPUs as well? > Yes, I did.
> If yes then i think we want to push these fixes via perf/urgent - they seem to > nicely round up the constraints. > > Thanks, > > Ingo > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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