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KVM: PMU: add proper support for fixed counter 2
Currently pmu emulation emulates fixed counter 2 as bus cycles
architectural counter, but since commit 9c1497ea59
perf has
pseudo encoding for it. Use it.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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@ -33,10 +33,11 @@ static struct kvm_arch_event_perf_mapping {
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[4] = { 0x2e, 0x41, PERF_COUNT_HW_CACHE_MISSES },
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[5] = { 0xc4, 0x00, PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
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[6] = { 0xc5, 0x00, PERF_COUNT_HW_BRANCH_MISSES },
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[7] = { 0x00, 0x30, PERF_COUNT_HW_REF_CPU_CYCLES },
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};
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/* mapping between fixed pmc index and arch_events array */
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int fixed_pmc_events[] = {1, 0, 2};
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int fixed_pmc_events[] = {1, 0, 7};
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static bool pmc_is_gp(struct kvm_pmc *pmc)
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{
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