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SubjectRe: [PATCH] perf_events: fix broken intr throttling (v3)
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Did Anton recent fix solve that problem?


On Wed, Feb 15, 2012 at 3:37 AM, Sukadev Bhattiprolu
<sukadev@linux.vnet.ibm.com> wrote:
> Benjamin Herrenschmidt [benh@kernel.crashing.org] wrote:
> | On Thu, 2012-02-09 at 19:19 -0800, Sukadev Bhattiprolu wrote:
> | > Stephane Eranian [eranian@google.com] wrote:
> | > | On Wed, Feb 8, 2012 at 12:32 PM, Anton Blanchard <anton@samba.org> wrote:
> | > | >
> | > | > Hi,
> | > | >
> | > | > On Thu, 26 Jan 2012 17:03:19 +0100
> | The powerpc .git tree is not useful at this point, I haven't opened
> | powerpc -next yet so it's just all old stale stuff. Please work with
> | upstream always unless you have a very good reason to use my tree. It's
> | really only meant as a conduit between me and Linus or for -next.
>
> Ok.
>
> I tried this on current mainline (commit 13d261932) which now includes both
> of Stephane's patches and repeated the nooploop test.
>
> The problem still exists - the number of events reported on Power is far
> fewer than without the patches.
>
> Aggregated stats:
>           TOTAL events:         78
>            MMAP events:         47
>            COMM events:          2
>            EXIT events:          2
>          SAMPLE events:         27
> cycles stats:
>           TOTAL events:         21
>            MMAP events:          4
>            COMM events:          1
>            EXIT events:          2
>          SAMPLE events:         14
> cycles stats:
>           TOTAL events:         13
>          SAMPLE events:         13
>
> Sukadev
>
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