From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Wed, 8 Apr 2009 13:01:26 +0000 (+0200)
Subject: perf_counter: provide misc bits in the event header
X-Git-Tag: v2.6.31-rc1~383^2~384
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6fab01927e8bdbbc77bafba2abb4810c5591ad52;p=pandora-kernel.git

perf_counter: provide misc bits in the event header

Limit the size of each record to 64k (or should we count in multiples
of u64 and have a 512K limit?), this gives 16 bits or spare room in the
header, which we can use for misc bits, so as to not have to grow the
record with u64 every time we have a few bits to report.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
LKML-Reference: <20090408130408.769271806@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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