* [PATCH] kvm/pmu: fix mapping of unhalted_reference_cycles event
@ 2014-02-20 17:45 Stephane Eranian
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From: Stephane Eranian @ 2014-02-20 17:45 UTC (permalink / raw)
To: linux-kernel; +Cc: peterz, mingo, gleb
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 */
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