Re: [PATCH 1/7] perf: introduce raw_type attribute to specify thetype of a raw sample

From: Ingo Molnar
Date: Thu May 20 2010 - 12:55:47 EST

* Robert Richter <robert.richter@xxxxxxx> wrote:

> On 20.05.10 06:37:39, Peter Zijlstra wrote:
> > So yeah, you might as well expose it as a whole separate PMU using Lin's
> > stuff.
> This seems to be the most promising alternative to raw_type. But it's also
> much more bloated requiring sysfs and additional file descriptors.

Not really, fds are really cheap on Linux, and in any case it's only needed
when the event is created - can be closed afterwards.

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