Re: Latest vfs scalability patch

From: Peter Zijlstra
Date: Tue Oct 06 2009 - 07:12:11 EST


On Tue, 2009-10-06 at 12:26 +0200, Jens Axboe wrote:

> I did a quick perf analysis on that, but only on 8 clients (64 clients
> basically causes perf to shit itself, it's just not functional).

Even when used with -a so that you profile each cpu? I can imagine the
cacheline contention from the inherited counters to render a 64 thread
machine less than usable?


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