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| author | Gleb Natapov <gleb@redhat.com> | 2012-02-26 18:55:42 +0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-03-08 16:13:34 +0400 |
| commit | 62079d8a431287a4da81db64e002c71f0e06ca83 (patch) | |
| tree | 774d3dc7cebfc938863b47d0048ad3c79c953d21 /arch/x86/kvm/pmu.c | |
| parent | fac3368310765ade6bbdf07c9acdb04210e8b5b0 (diff) | |
| download | linux-62079d8a431287a4da81db64e002c71f0e06ca83.tar.xz | |
KVM: PMU: add proper support for fixed counter 2
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@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/pmu.c')
| -rw-r--r-- | 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 b52a8ed283b2..a73f0c104813 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) { |