From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754980AbXL3HMh (ORCPT ); Sun, 30 Dec 2007 02:12:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755911AbXL3HKw (ORCPT ); Sun, 30 Dec 2007 02:10:52 -0500 Received: from il.qumranet.com ([82.166.9.18]:59478 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751872AbXL3HKo (ORCPT ); Sun, 30 Dec 2007 02:10:44 -0500 From: Avi Kivity To: linux-kernel@vger.kernel.org, kvm-devel@lists.sourceforge.net Subject: [PATCH 06/52] KVM: Add instruction emulation statistics Date: Sun, 30 Dec 2007 09:09:52 +0200 Message-Id: <1198998638-22713-7-git-send-email-avi@qumranet.com> X-Mailer: git-send-email 1.5.3.7 In-Reply-To: <1198998638-22713-1-git-send-email-avi@qumranet.com> References: <1198998638-22713-1-git-send-email-avi@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --- drivers/kvm/kvm.h | 2 ++ drivers/kvm/x86.c | 4 ++++ 2 files changed, 6 insertions(+), 0 deletions(-) diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index a85c590..5a8a9af 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -249,6 +249,8 @@ struct kvm_stat { u32 host_state_reload; u32 efer_reload; u32 fpu_reload; + u32 insn_emulation; + u32 insn_emulation_fail; }; struct kvm_io_device { diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c index c1211e1..a46b95b 100644 --- a/drivers/kvm/x86.c +++ b/drivers/kvm/x86.c @@ -63,6 +63,8 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "host_state_reload", STAT_OFFSET(host_state_reload) }, { "efer_reload", STAT_OFFSET(efer_reload) }, { "fpu_reload", STAT_OFFSET(fpu_reload) }, + { "insn_emulation", STAT_OFFSET(insn_emulation) }, + { "insn_emulation_fail", STAT_OFFSET(insn_emulation_fail) }, { NULL } }; @@ -1381,7 +1383,9 @@ int emulate_instruction(struct kvm_vcpu *vcpu, get_segment_base(vcpu, VCPU_SREG_FS); r = x86_decode_insn(&vcpu->emulate_ctxt, &emulate_ops); + ++vcpu->stat.insn_emulation; if (r) { + ++vcpu->stat.insn_emulation_fail; if (kvm_mmu_unprotect_page_virt(vcpu, cr2)) return EMULATE_DONE; return EMULATE_FAIL; -- 1.5.3.7