From patchwork Mon Nov 16 12:19:41 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avi Kivity X-Patchwork-Id: 60303 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id nAGCNidu019884 for ; Mon, 16 Nov 2009 12:23:47 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753555AbZKPMWf (ORCPT ); Mon, 16 Nov 2009 07:22:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753481AbZKPMUq (ORCPT ); Mon, 16 Nov 2009 07:20:46 -0500 Received: from mx1.redhat.com ([209.132.183.28]:52391 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752989AbZKPMTn (ORCPT ); Mon, 16 Nov 2009 07:19:43 -0500 Received: from int-mx04.intmail.prod.int.phx2.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.17]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id nAGCJn58013343 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 16 Nov 2009 07:19:49 -0500 Received: from cleopatra.tlv.redhat.com (cleopatra.tlv.redhat.com [10.35.255.11]) by int-mx04.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id nAGCJj8v025309; Mon, 16 Nov 2009 07:19:48 -0500 Received: from localhost.localdomain (file.tlv.redhat.com [10.35.255.8]) by cleopatra.tlv.redhat.com (Postfix) with ESMTP id 747EDA028D; Mon, 16 Nov 2009 14:19:44 +0200 (IST) From: Avi Kivity To: linux-kernel@vger.kernel.org Cc: kvm@vger.kernel.org Subject: [PATCH 40/42] KVM: SVM: Add tracepoint for nested vmrun Date: Mon, 16 Nov 2009 14:19:41 +0200 Message-Id: <1258373983-8693-41-git-send-email-avi@redhat.com> In-Reply-To: <1258373983-8693-1-git-send-email-avi@redhat.com> References: <1258373983-8693-1-git-send-email-avi@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.17 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 884bffc..907af3f 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1726,6 +1726,12 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm) /* nested_vmcb is our indicator if nested SVM is activated */ svm->nested.vmcb = svm->vmcb->save.rax; + trace_kvm_nested_vmrun(svm->vmcb->save.rip - 3, svm->nested.vmcb, + nested_vmcb->save.rip, + nested_vmcb->control.int_ctl, + nested_vmcb->control.event_inj, + nested_vmcb->control.nested_ctl); + /* Clear internal status */ kvm_clear_exception_queue(&svm->vcpu); kvm_clear_interrupt_queue(&svm->vcpu); diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index 0d480e7..b5798e1 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -349,6 +349,39 @@ TRACE_EVENT(kvm_apic_accept_irq, __entry->coalesced ? " (coalesced)" : "") ); +/* + * Tracepoint for nested VMRUN + */ +TRACE_EVENT(kvm_nested_vmrun, + TP_PROTO(__u64 rip, __u64 vmcb, __u64 nested_rip, __u32 int_ctl, + __u32 event_inj, bool npt), + TP_ARGS(rip, vmcb, nested_rip, int_ctl, event_inj, npt), + + TP_STRUCT__entry( + __field( __u64, rip ) + __field( __u64, vmcb ) + __field( __u64, nested_rip ) + __field( __u32, int_ctl ) + __field( __u32, event_inj ) + __field( bool, npt ) + ), + + TP_fast_assign( + __entry->rip = rip; + __entry->vmcb = vmcb; + __entry->nested_rip = nested_rip; + __entry->int_ctl = int_ctl; + __entry->event_inj = event_inj; + __entry->npt = npt; + ), + + TP_printk("rip: 0x%016llx vmcb: 0x%016llx nrip: 0x%016llx int_ctl: 0x%08x " + "event_inj: 0x%08x npt: %s\n", + __entry->rip, __entry->vmcb, __entry->nested_rip, + __entry->int_ctl, __entry->event_inj, + __entry->npt ? "on" : "off") +); + #endif /* _TRACE_KVM_H */ /* This part must be outside protection */ diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 4de5bc0..3ab2f90 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4984,3 +4984,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_inj_virq); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_page_fault); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_msr); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_cr); +EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_nested_vmrun);