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Date: Fri, 13 Jan 2012 02:08:00 +0100 From: Davidlohr Bueso <dave@....org> To: Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>, Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com> Cc: lkml <linux-kernel@...r.kernel.org>, kvm@...r.kernel.org Subject: [PATCH] KVM: MMU: increment stats after event occurrence From: Davidlohr Bueso <dave@....org> It makes more sense to actually increment statistics for tlb flushes and page table entry updates after such _events_ occur, instead of before. Signed-off-by: Davidlohr Bueso <dave@....org> --- arch/x86/kvm/mmu.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 2a2a9b4..0b7008e 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -3130,8 +3130,8 @@ static int nonpaging_init_context(struct kvm_vcpu *vcpu, void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu) { - ++vcpu->stat.tlb_flush; kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu); + ++vcpu->stat.tlb_flush; } static void paging_new_cr3(struct kvm_vcpu *vcpu) @@ -3486,8 +3486,8 @@ static void mmu_pte_write_new_pte(struct kvm_vcpu *vcpu, return; } - ++vcpu->kvm->stat.mmu_pte_updated; vcpu->arch.mmu.update_pte(vcpu, sp, spte, new); + ++vcpu->kvm->stat.mmu_pte_updated; } static bool need_remote_flush(u64 old, u64 new) -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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