Currently pmu emulation emulates fixed counter 2 as bus cycles
architectural counter, but since commit 9c1497ea591b25d perf has
pseudo encoding for it. Use it.
Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx>
---
arch/x86/kvm/pmu.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index b52a8ed..a73f0c1 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -33,10 +33,11 @@ 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 },
};
/* mapping between fixed pmc index and arch_events array */
-int fixed_pmc_events[] = {1, 0, 2};
+int fixed_pmc_events[] = {1, 0, 7};
static bool pmc_is_gp(struct kvm_pmc *pmc)
{
--
1.7.7.3
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