From: Stephane Eranian <eranian@google.com>
To: linux-kernel@vger.kernel.org
Cc: peterz@infradead.org, mingo@elte.hu, gleb@redhat.com
Subject: [PATCH] kvm/pmu: fix mapping of unhalted_reference_cycles event
Date: Thu, 20 Feb 2014 18:45:31 +0100 [thread overview]
Message-ID: <20140220174531.GA8811@quad> (raw)
The pseudo encoding for unhalted_reference_cycles
is 0x0300. The KVM table was mapping it to 0x3000
This patch fixes this.
Signed-off-by: Stephane Eranian <eranian@google.com>
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index 5c4f631..db79c00 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -33,7 +33,7 @@ static struct kvm_arch_event_perf_mapping {
[4] = { 0x2e, 0x41, PERF_COUNT_HW_CACHE_MISSES },
[5] = { 0xc4, 0x00, PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
[6] = { 0xc5, 0x00, PERF_COUNT_HW_BRANCH_MISSES },
- [7] = { 0x00, 0x30, PERF_COUNT_HW_REF_CPU_CYCLES },
+ [7] = { 0x00, 0x03, PERF_COUNT_HW_REF_CPU_CYCLES },
};
/* mapping between fixed pmc index and arch_events array */
reply other threads:[~2014-02-20 17:45 UTC|newest]
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