From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: [PATCH 1/11] VMX: include all IRQ window exits in statistics Date: Mon, 22 Sep 2008 09:58:14 +0200 Message-ID: <48D75016.7020702@siemens.com> References: <48D74CE6.5060008@siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: "Yang, Sheng" , Avi Kivity , Gleb Natapov To: kvm-devel Return-path: Received: from lizzard.sbs.de ([194.138.37.39]:18886 "EHLO lizzard.sbs.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751851AbYIVIDS (ORCPT ); Mon, 22 Sep 2008 04:03:18 -0400 In-Reply-To: <48D74CE6.5060008@siemens.com> Sender: kvm-owner@vger.kernel.org List-ID: irq_window_exits only tracks IRQ window exits due to user space requests, nmi_window_exits include all exits. The latter makes more sense, so let's adjust irq_window_exits accounting. Signed-off-by: Jan Kiszka --- arch/x86/kvm/vmx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: b/arch/x86/kvm/vmx.c =================================================================== --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2763,6 +2763,7 @@ static int handle_interrupt_window(struc vmcs_write32(CPU_BASED_VM_EXEC_CONTROL, cpu_based_vm_exec_control); KVMTRACE_0D(PEND_INTR, vcpu, handler); + ++vcpu->stat.irq_window_exits; /* * If the user space waits to inject interrupts, exit as soon as @@ -2771,7 +2772,6 @@ static int handle_interrupt_window(struc if (kvm_run->request_interrupt_window && !vcpu->arch.irq_summary) { kvm_run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN; - ++vcpu->stat.irq_window_exits; return 0; } return 1;