From patchwork Wed Aug 5 13:21:17 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?UmFkaW0gS3LEjW3DocWZ?= X-Patchwork-Id: 6949131 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 9A41BC05AC for ; Wed, 5 Aug 2015 13:25:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C3A722037F for ; Wed, 5 Aug 2015 13:25:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D97D32034F for ; Wed, 5 Aug 2015 13:25:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752868AbbHENYj (ORCPT ); Wed, 5 Aug 2015 09:24:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40412 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751858AbbHENYe (ORCPT ); Wed, 5 Aug 2015 09:24:34 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id 2C6E28F005; Wed, 5 Aug 2015 13:24:34 +0000 (UTC) Received: from potion (dhcp-1-122.brq.redhat.com [10.34.1.122]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with SMTP id t75DOVI3002251; Wed, 5 Aug 2015 09:24:32 -0400 Received: by potion (sSMTP sendmail emulation); Wed, 05 Aug 2015 15:24:31 +0200 From: =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= To: linux-kernel@vger.kernel.org Cc: kvm@vger.kernel.org, Paolo Bonzini Subject: [PATCH 5/5] KVM: x86: add request_exits debug counter Date: Wed, 5 Aug 2015 15:21:17 +0200 Message-Id: <1438780877-31838-6-git-send-email-rkrcmar@redhat.com> In-Reply-To: <1438780877-31838-1-git-send-email-rkrcmar@redhat.com> References: <1438780877-31838-1-git-send-email-rkrcmar@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-6.0 required=5.0 tests=BAYES_00,HK_RANDOM_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We are still interested in the amount of exits userspace requested and signal_exits doesn't cover that anymore. Signed-off-by: Radim Kr?má? --- arch/x86/include/asm/kvm_host.h | 1 + arch/x86/kvm/x86.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 6e851d518b24..c875f70df02a 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -717,6 +717,7 @@ struct kvm_vcpu_stat { u32 hypercalls; u32 irq_injections; u32 nmi_injections; + u32 request_exits; }; struct x86_instruction_info; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 61f35944dd53..8f72be681e36 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -145,6 +145,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "io_exits", VCPU_STAT(io_exits) }, { "mmio_exits", VCPU_STAT(mmio_exits) }, { "signal_exits", VCPU_STAT(signal_exits) }, + { "request_exits", VCPU_STAT(request_exits) }, { "irq_window", VCPU_STAT(irq_window_exits) }, { "nmi_window", VCPU_STAT(nmi_window_exits) }, { "halt_exits", VCPU_STAT(halt_exits) }, @@ -6551,6 +6552,7 @@ static int vcpu_run(struct kvm_vcpu *vcpu) if (unlikely(kvm_has_request(KVM_REQ_EXIT, vcpu))) { r = 0; vcpu->run->exit_reason = KVM_EXIT_REQUEST; + ++vcpu->stat.request_exits; break; } if (need_resched()) {