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Subject: Re: [PATCH 1/7] perf: introduce raw_type attribute to specify the
 type of a raw sample
From: Peter Zijlstra <peterz@infradead.org>
To: Robert Richter <robert.richter@amd.com>
Cc: Ingo Molnar <mingo@elte.hu>, Stephane Eranian <eranian@google.com>,
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Date: Thu, 20 May 2010 19:16:35 +0200
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On Thu, 2010-05-20 at 19:07 +0200, Robert Richter wrote:
> On 20.05.10 12:55:01, Ingo Molnar wrote:
> > 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.
> 
> I was wondering if we could get the perf event fd directly with the
> open("/sys/...") command? This would be really easy to set up.

I guess we could sorta do that, but then we'd need a ioctl to change the
perf_event_attr.