Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753283AbbHEQeN (ORCPT ); Wed, 5 Aug 2015 12:34:13 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33754 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753301AbbHEQdR (ORCPT ); Wed, 5 Aug 2015 12:33:17 -0400 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 v2 3/5] KVM: x86: add request_exits debug counter Date: Wed, 5 Aug 2015 18:32:59 +0200 Message-Id: <1438792381-19453-4-git-send-email-rkrcmar@redhat.com> In-Reply-To: <1438792381-19453-1-git-send-email-rkrcmar@redhat.com> References: <1438792381-19453-1-git-send-email-rkrcmar@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1778 Lines: 51 We are still interested in the amount of exits userspace requested and signal_exits doesn't cover that anymore. Signed-off-by: Radim Krčmář --- v2: move request_exits debug counter patch right after introduction of KVM_REQ_EXIT [3/5] 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 c5d790fdfc2e..3493457ad0a1 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) }, @@ -6550,6 +6551,7 @@ 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()) { -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/