forked from Minki/linux
KVM: MMU: Add cache miss statistic
Signed-off-by: Avi Kivity <avi@qumranet.com>
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@ -715,6 +715,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
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pgprintk("%s: found\n", __FUNCTION__);
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return sp;
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}
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++vcpu->kvm->stat.mmu_cache_miss;
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sp = kvm_mmu_alloc_page(vcpu, parent_pte);
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if (!sp)
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return sp;
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@ -73,6 +73,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
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{ "mmu_pde_zapped", VM_STAT(mmu_pde_zapped) },
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{ "mmu_flooded", VM_STAT(mmu_flooded) },
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{ "mmu_recycled", VM_STAT(mmu_recycled) },
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{ "mmu_cache_miss", VM_STAT(mmu_cache_miss) },
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{ "remote_tlb_flush", VM_STAT(remote_tlb_flush) },
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{ NULL }
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};
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@ -289,6 +289,7 @@ struct kvm_vm_stat {
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u32 mmu_pde_zapped;
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u32 mmu_flooded;
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u32 mmu_recycled;
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u32 mmu_cache_miss;
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u32 remote_tlb_flush;
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};
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