From: Anshuman Khandual <khandual@linux.vnet.ibm.com>
To: Michael Ellerman <michael@ellerman.id.au>
Cc: linuxppc-dev@ozlabs.org, sukadev@linux.vnet.ibm.com,
Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH 5/8] powerpc/perf: Don't enable if we have zero events
Date: Fri, 28 Jun 2013 10:40:14 +0530 [thread overview]
Message-ID: <51CD1AB6.5050001@linux.vnet.ibm.com> (raw)
In-Reply-To: <1372073336-8189-5-git-send-email-michael@ellerman.id.au>
On 06/24/2013 04:58 PM, Michael Ellerman wrote:
> In power_pmu_enable() we still enable the PMU even if we have zero
> events. This should have no effect but doesn't make much sense. Instead
> just return after telling the hypervisor that we are not using the PMCs.
>
> Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
next prev parent reply other threads:[~2013-06-28 5:11 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-24 11:28 [PATCH 1/8] powerpc/perf: Check that events only include valid bits on Power8 Michael Ellerman
2013-06-24 11:28 ` [PATCH 2/8] powerpc/perf: Rework disable logic in pmu_disable() Michael Ellerman
2013-06-25 11:22 ` Anshuman Khandual
2013-06-26 3:28 ` Michael Ellerman
2013-07-10 0:15 ` Sukadev Bhattiprolu
2013-07-10 2:12 ` Michael Ellerman
2013-06-24 11:28 ` [PATCH 3/8] powerpc/perf: Freeze PMC5/6 if we're not using them Michael Ellerman
2013-06-24 11:28 ` [PATCH 4/8] powerpc/perf: Use existing out label in power_pmu_enable() Michael Ellerman
2013-06-27 11:01 ` Anshuman Khandual
2013-06-24 11:28 ` [PATCH 5/8] powerpc/perf: Don't enable if we have zero events Michael Ellerman
2013-06-28 5:10 ` Anshuman Khandual [this message]
2013-06-24 11:28 ` [PATCH 6/8] powerpc/perf: Drop MMCRA from thread_struct Michael Ellerman
2013-06-24 11:28 ` [PATCH 7/8] powerpc/perf: Core EBB support for 64-bit book3s Michael Ellerman
2013-06-26 8:38 ` Anshuman Khandual
2013-06-27 11:52 ` Michael Ellerman
2013-06-24 11:28 ` [PATCH 8/8] powerpc/perf: Add power8 EBB support Michael Ellerman
2013-06-26 9:58 ` Anshuman Khandual
2013-06-27 11:52 ` Michael Ellerman
2013-06-28 4:15 ` Anshuman Khandual
2013-07-04 18:58 ` Adhemerval Zanella
2013-07-05 2:54 ` Michael Ellerman
2013-07-05 17:57 ` Adhemerval Zanella
2013-06-25 10:55 ` [PATCH 1/8] powerpc/perf: Check that events only include valid bits on Power8 Anshuman Khandual
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