From: Deng-Cheng Zhu <dengcheng.zhu@gmail.com>
To: ralf@linux-mips.org, a.p.zijlstra@chello.nl, fweisbec@gmail.com,
will.deacon@arm.com
Cc: linux-mips@linux-mips.org, linux-kernel@vger.kernel.org,
wuzhangjin@gmail.com, paulus@samba.org, mingo@elte.hu,
acme@redhat.com, dengcheng.zhu@gmail.com
Subject: [PATCH 3/5] MIPS/Perf-events: Check event state in validate_event()
Date: Thu, 18 Nov 2010 14:56:39 +0800 [thread overview]
Message-ID: <1290063401-25440-4-git-send-email-dengcheng.zhu@gmail.com> (raw)
In-Reply-To: <1290063401-25440-1-git-send-email-dengcheng.zhu@gmail.com>
Ignore events that are not for this PMU or are in off/error state.
Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@gmail.com>
---
arch/mips/kernel/perf_event.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/mips/kernel/perf_event.c b/arch/mips/kernel/perf_event.c
index 1ee44a3..9c6442a 100644
--- a/arch/mips/kernel/perf_event.c
+++ b/arch/mips/kernel/perf_event.c
@@ -486,7 +486,7 @@ static int validate_event(struct cpu_hw_events *cpuc,
{
struct hw_perf_event fake_hwc = event->hw;
- if (event->pmu && event->pmu != &pmu)
+ if (event->pmu != &pmu || event->state <= PERF_EVENT_STATE_OFF)
return 0;
return mipspmu->alloc_counter(cpuc, &fake_hwc) >= 0;
--
1.7.1
next prev parent reply other threads:[~2010-11-18 7:01 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-18 6:56 [PATCH 0/5] MIPS/Perf-events: Sync with mainline upper layer Deng-Cheng Zhu
2010-11-18 6:56 ` [PATCH 1/5] MIPS/Perf-events: Work with irq_work Deng-Cheng Zhu
2010-11-25 6:58 ` Peter Zijlstra
2010-11-18 6:56 ` [PATCH 2/5] MIPS/Perf-events: Work with the new PMU interface Deng-Cheng Zhu
2010-11-25 7:01 ` Peter Zijlstra
2010-11-18 6:56 ` Deng-Cheng Zhu [this message]
2010-11-19 9:43 ` [PATCH 3/5] MIPS/Perf-events: Check event state in validate_event() Will Deacon
2010-11-19 11:27 ` Peter Zijlstra
2010-11-19 12:03 ` Will Deacon
2010-11-19 12:09 ` Peter Zijlstra
2010-11-19 11:30 ` Deng-Cheng Zhu
2010-11-19 12:05 ` Will Deacon
2010-11-18 6:56 ` [PATCH 4/5] MIPS/Perf-events: Work with the new callchain interface Deng-Cheng Zhu
2010-11-19 14:34 ` Frederic Weisbecker
2010-11-23 7:06 ` Deng-Cheng Zhu
2010-11-18 6:56 ` [PATCH 5/5] MIPS/Perf-events: Use unsigned delta for right shift in event update Deng-Cheng Zhu
2010-11-18 9:27 ` Will Deacon
2010-11-19 7:16 ` Deng-Cheng Zhu
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