Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dfc5aa00cbe888d3a9ea97775bbac74cb1c1a1d8
Commit:     dfc5aa00cbe888d3a9ea97775bbac74cb1c1a1d8
Parent:     caa5b8a5ed27708521e0667649699fea202043b2
Author:     Avi Kivity <[EMAIL PROTECTED]>
AuthorDate: Tue Dec 18 19:47:18 2007 +0200
Committer:  Avi Kivity <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 18:01:19 2008 +0200

    KVM: MMU: Add cache miss statistic
    
    Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
---
 arch/x86/kvm/mmu.c         |    1 +
 arch/x86/kvm/x86.c         |    1 +
 include/asm-x86/kvm_host.h |    1 +
 3 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 9a57e1a..8f12ec5 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 733bff6..fa9e42c 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 }
 };
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index 28940e1..ced1beb 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -289,6 +289,7 @@ struct kvm_vm_stat {
        u32 mmu_pde_zapped;
        u32 mmu_flooded;
        u32 mmu_recycled;
+       u32 mmu_cache_miss;
        u32 remote_tlb_flush;
 };
 
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