From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5822BCE7A8A for ; Sun, 24 Sep 2023 12:45:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229699AbjIXMpN (ORCPT ); Sun, 24 Sep 2023 08:45:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229526AbjIXMpL (ORCPT ); Sun, 24 Sep 2023 08:45:11 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 823FAFC for ; Sun, 24 Sep 2023 05:44:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1695559458; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=iy6m9rfrGHIez/IGJ65IvETHEu81RQinD/bp3oWQKQI=; b=ZLBobyc0/2GYxAFplHGPf1w52YDgxojFiZqTsunRqBtyQKcSgpjJ3BUmPenSk4gD0tyzg/ G2MBDxwoj+3nEUMD1SuPRyVkUydTJnLebwuXk0IiJXcdjivQZu1aegkLUUWIWvzV6/pKH3 0tC6DI50tzqRMe51jkXrGpGvar4iW6s= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-28-uE8Jf8XMOl6CmJI0vk2k7w-1; Sun, 24 Sep 2023 08:44:15 -0400 X-MC-Unique: uE8Jf8XMOl6CmJI0vk2k7w-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id AD3AD185A78E; Sun, 24 Sep 2023 12:44:14 +0000 (UTC) Received: from localhost.localdomain (unknown [10.45.226.141]) by smtp.corp.redhat.com (Postfix) with ESMTP id 588B840C6EA8; Sun, 24 Sep 2023 12:44:11 +0000 (UTC) From: Maxim Levitsky To: kvm@vger.kernel.org Cc: Dave Hansen , x86@kernel.org, linux-kernel@vger.kernel.org, "H. Peter Anvin" , Sean Christopherson , Paolo Bonzini , Ingo Molnar , Thomas Gleixner , Borislav Petkov , Maxim Levitsky Subject: [PATCH v2 0/4] KVM: x86: tracepoint updates Date: Sun, 24 Sep 2023 15:44:06 +0300 Message-Id: <20230924124410.897646-1-mlevitsk@redhat.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series is intended to add some selected information=0D to the kvm tracepoints to make it easier to gather insights about=0D running nested guests.=0D =0D This patch series was developed together with a new x86 performance analysi= s tool=0D that I developed recently (https://gitlab.com/maximlevitsky/kvmon)=0D which aims to be a better kvm_stat, and allows you at glance=0D to see what is happening in a VM, including nesting.=0D =0D Best regards,=0D Maxim Levitsky=0D =0D Maxim Levitsky (4):=0D KVM: x86: refactor req_immediate_exit logic=0D KVM: x86: add more information to the kvm_entry tracepoint=0D KVM: x86: add more information to kvm_exit tracepoint=0D KVM: x86: add new nested vmexit tracepoints=0D =0D arch/x86/include/asm/kvm-x86-ops.h | 2 +-=0D arch/x86/include/asm/kvm_host.h | 11 ++-=0D arch/x86/kvm/svm/nested.c | 22 ++++++=0D arch/x86/kvm/svm/svm.c | 22 +++++-=0D arch/x86/kvm/trace.h | 115 +++++++++++++++++++++++++++--=0D arch/x86/kvm/vmx/nested.c | 21 ++++++=0D arch/x86/kvm/vmx/vmx.c | 31 +++++---=0D arch/x86/kvm/vmx/vmx.h | 2 -=0D arch/x86/kvm/x86.c | 34 ++++-----=0D 9 files changed, 214 insertions(+), 46 deletions(-)=0D =0D -- =0D 2.26.3=0D =0D