linux-kernel - [tip:perfcounters/core] perf_counter: PERF_TYPE_HW

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Date:	Fri, 12 Jun 2009 12:42:40 GMT
From:	tip-bot for Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, paulus@...ba.org,
	hpa@...or.com, mingo@...hat.com, a.p.zijlstra@...llo.nl,
	efault@....de, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perfcounters/core] perf_counter: PERF_TYPE_HW_CACHE is a hardware counter too

Commit-ID:  f1a3c979059b2033d0b1cc4f9ee5c90bf92b5f94
Gitweb:     http://git.kernel.org/tip/f1a3c979059b2033d0b1cc4f9ee5c90bf92b5f94
Author:     Peter Zijlstra <a.p.zijlstra@...llo.nl>
AuthorDate: Thu, 11 Jun 2009 17:56:09 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 12 Jun 2009 14:28:51 +0200

perf_counter: PERF_TYPE_HW_CACHE is a hardware counter too

is_software_counter() was missing the new HW_CACHE category.

( This could have caused some counter scheduling artifacts
  with mixed sw and hw counters and counter groups. )

Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 include/linux/perf_counter.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 6e13395..7c4f32f 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -621,7 +621,8 @@ extern int perf_counter_overflow(struct perf_counter *counter, int nmi,
 static inline int is_software_counter(struct perf_counter *counter)
 {
 	return (counter->attr.type != PERF_TYPE_RAW) &&
-		(counter->attr.type != PERF_TYPE_HARDWARE);
+		(counter->attr.type != PERF_TYPE_HARDWARE) &&
+		(counter->attr.type != PERF_TYPE_HW_CACHE);
 }
 
 extern void perf_swcounter_event(u32, u64, int, struct pt_regs *, u64);
--
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