Messages in this thread | | | Date | Fri, 23 Sep 2011 09:31:04 +0200 | Subject | Re: [PATCH] perf: make perf.data more self-descriptive (v5) | From | Stephane Eranian <> |
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On Fri, Sep 23, 2011 at 8:40 AM, Pekka Enberg <penberg@cs.helsinki.fi> wrote: > On Thu, Sep 22, 2011 at 3:31 PM, Stephane Eranian <eranian@google.com> wrote: >> # CPU0 sibling cores : 0-3 >> # CPU0 sibling threads: 0 >> # CPU1 sibling cores : 0-3 >> # CPU1 sibling threads: 1 >> # CPU2 sibling cores : 0-3 >> # CPU2 sibling threads: 2 >> # CPU3 sibling cores : 0-3 >> # CPU3 sibling threads: 3 >> # total memory: 8093212 kB >> # cpuid : GenuineIntel,6,15,11 > > So how important is this information? The output is going to be somewhat > awkward for very large CPU counts... :-) > It is useful to determine how CPUs share caches for instance. It can get large but large, but the meta-data header is not printed by default, you need to request it with the -I option. -- 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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