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Groups > linux.kernel > #1662626
| From | Andi Kleen <ak@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 2/4] perf/x86: Fix data source decoding for Skylake |
| Date | 2017-06-09 18:50 +0200 |
| Message-ID | <tQvgK-3VG-37@gated-at.bofh.it> (permalink) |
| References | <tPSyJ-4M5-11@gated-at.bofh.it> <tPSyL-4M5-51@gated-at.bofh.it> <tQ0PE-1Le-17@gated-at.bofh.it> <tQbBo-8th-17@gated-at.bofh.it> <tQbUK-nj-27@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
> > > So one thing we could do is add a mem_hops field and always set that, > > > even for the old stuff. The old stuff will not know about that field and > > > ignore the bits, but new stuff will then not need as many LVL bits. > > > > > That would be better than lvlx I think. I am guessing you're suggesting > > an integer count here and not a bitmask. Right? > > Yah, 0 hops = local, etc.. This doesn't work on Skylake because it doesn't report the number of hops, just remote or not. Would need a wildcard entry, but that can as well be a separate bit. That's what I did in the latest version of my patch. -Andi
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Fix Skylake PEBS data source for perf Andi Kleen <andi@firstfloor.org> - 2017-06-08 01:30 +0200
[PATCH v2 2/4] perf/x86: Fix data source decoding for Skylake Andi Kleen <andi@firstfloor.org> - 2017-06-08 01:30 +0200
Re: [PATCH v2 2/4] perf/x86: Fix data source decoding for Skylake Peter Zijlstra <peterz@infradead.org> - 2017-06-08 10:20 +0200
Re: [PATCH v2 2/4] perf/x86: Fix data source decoding for Skylake Stephane Eranian <eranian@google.com> - 2017-06-08 21:50 +0200
Re: [PATCH v2 2/4] perf/x86: Fix data source decoding for Skylake Peter Zijlstra <peterz@infradead.org> - 2017-06-08 22:10 +0200
Re: [PATCH v2 2/4] perf/x86: Fix data source decoding for Skylake Andi Kleen <ak@linux.intel.com> - 2017-06-09 18:50 +0200
Re: [PATCH v2 2/4] perf/x86: Fix data source decoding for Skylake Andi Kleen <andi@firstfloor.org> - 2017-06-08 22:20 +0200
Re: [PATCH v2 2/4] perf/x86: Fix data source decoding for Skylake Peter Zijlstra <peterz@infradead.org> - 2017-06-08 22:30 +0200
Re: [PATCH v2 2/4] perf/x86: Fix data source decoding for Skylake Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2017-06-09 10:10 +0200
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