From dfc5aa00cbe888d3a9ea97775bbac74cb1c1a1d8 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Tue, 18 Dec 2007 19:47:18 +0200 Subject: KVM: MMU: Add cache miss statistic Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 1 + arch/x86/kvm/x86.c | 1 + 2 files changed, 2 insertions(+) (limited to 'arch/x86/kvm') diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 9a57e1a0144..8f12ec52ad8 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -715,6 +715,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, pgprintk("%s: found\n", __FUNCTION__); return sp; } + ++vcpu->kvm->stat.mmu_cache_miss; sp = kvm_mmu_alloc_page(vcpu, parent_pte); if (!sp) return sp; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 733bff65d9a..fa9e42c0374 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -73,6 +73,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "mmu_pde_zapped", VM_STAT(mmu_pde_zapped) }, { "mmu_flooded", VM_STAT(mmu_flooded) }, { "mmu_recycled", VM_STAT(mmu_recycled) }, + { "mmu_cache_miss", VM_STAT(mmu_cache_miss) }, { "remote_tlb_flush", VM_STAT(remote_tlb_flush) }, { NULL } }; -- cgit v1.2.3-70-g09d2