Re: [PATCH v2 6/6] perf tool: Parse general/raw events from sysfs

From: Peter Zijlstra
Date: Mon Aug 08 2011 - 04:48:49 EST

On Mon, 2011-08-08 at 09:08 +0800, Lin Ming wrote:
> We only need to register one pmu with two same graphics cards.
> Then we can overload pid argument of sys_perf_event_open() to
> differentiate each instance of graphic card.
> Just like perf cgroup does.

I don't like that much at all.. For one it will make it impossible to
put the pmu device in the right sysfs topology.
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