From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Tue, 21 Jul 2009 15:34:57 +0000 (+0200)
Subject: perf_counter, ftrace: Fix perf_counter integration
X-Git-Tag: v2.6.31-rc6~32^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3a6593050fbd8bbcaed3a44d01c31d907315c86c;p=pandora-kernel.git

perf_counter, ftrace: Fix perf_counter integration

Adds possible second part to the assign argument of TP_EVENT().

  TP_perf_assign(
	__perf_count(foo);
	__perf_addr(bar);
  )

Which, when specified make the swcounter increment with @foo instead
of the usual 1, and report @bar for PERF_SAMPLE_ADDR (data address
associated with the event) when this triggers a counter overflow.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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