From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755282Ab0J0JGa (ORCPT ); Wed, 27 Oct 2010 05:06:30 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:60875 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752005Ab0J0JG3 (ORCPT ); Wed, 27 Oct 2010 05:06:29 -0400 Message-ID: <4CC7EC9B.6020507@cn.fujitsu.com> Date: Wed, 27 Oct 2010 17:10:51 +0800 From: Xiao Guangrong User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.11) Gecko/20100713 Thunderbird/3.0.6 MIME-Version: 1.0 To: Avi Kivity CC: Marcelo Tosatti , LKML , KVM Subject: [PATCH 8/8] KVM: add debugfs file to show the number of async pf References: <4CC7EA7D.5020901@cn.fujitsu.com> In-Reply-To: <4CC7EA7D.5020901@cn.fujitsu.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It can help us to see the state of async pf Signed-off-by: Xiao Guangrong --- arch/x86/kvm/x86.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index c0e7ad0..2dd8059 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -88,6 +88,8 @@ static u64 __read_mostly efer_reserved_bits = 0xfffffffffffffffeULL; #define VM_STAT(x) offsetof(struct kvm, stat.x), KVM_STAT_VM #define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU +#define VCPU_ASYNC_PF_STAT offsetof(struct kvm_vcpu, async_pf.queued), \ + KVM_STAT_VCPU static void update_cr8_intercept(struct kvm_vcpu *vcpu); static int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid, @@ -141,6 +143,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "insn_emulation_fail", VCPU_STAT(insn_emulation_fail) }, { "irq_injections", VCPU_STAT(irq_injections) }, { "nmi_injections", VCPU_STAT(nmi_injections) }, + { "async_pf_queued", VCPU_ASYNC_PF_STAT}, { "mmu_shadow_zapped", VM_STAT(mmu_shadow_zapped) }, { "mmu_pte_write", VM_STAT(mmu_pte_write) }, { "mmu_pte_updated", VM_STAT(mmu_pte_updated) }, -- 1.7.0.4