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On Sun, 2010-01-31 at 22:07 +0100, Frederic Weisbecker wrote:
>
> - We are using the -M option from perf tools which multiplexes every
> event buffers, which means every cpu commit their lock events in
> the same buffer. Couple that with the two above reasons, it's supposed
> to scale at worst.

Why are you doing that? That seems like asking for trouble..



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