From patchwork Thu Jul 20 11:47:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinrong Liang X-Patchwork-Id: 13320396 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 0FB0CC001E0 for ; Thu, 20 Jul 2023 11:48:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231443AbjGTLsT (ORCPT ); Thu, 20 Jul 2023 07:48:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231216AbjGTLsO (ORCPT ); Thu, 20 Jul 2023 07:48:14 -0400 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A4001711; Thu, 20 Jul 2023 04:47:56 -0700 (PDT) Received: by mail-pl1-x642.google.com with SMTP id d9443c01a7336-1b8a462e0b0so4112575ad.3; Thu, 20 Jul 2023 04:47:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1689853675; x=1690458475; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=E3msxjZdgetMbrGi/qXLG+gWb+dY8uVEsPP0nY7G4QQ=; b=nO5tehWvaIgWtdqxq77tk0usuoipGQXYmcIJVLSVxabUWEFmKxlLhb1u+voA2UhAY8 tf5PD0Lz86rT2JT4HGJbjh04Xb2NjGCZQpU1FnEl5La+yBg05yzTBgLPOMFQO/nHpiYc j7JGD3oNEpGPxax8El4mk0QXy4OFkovT7ongxxXZoAW4D4aTVTq7AJ3eXYc+okMDt15x 1gLFv1aYNv88VbErxUKhzgVXmppKMYRGMQPkWQTGG04ekeDu6FvDHrAtmrThBAPWVvBY cM5rbakOv2+xMrodu3FXbosh1KmTulNwrdCzMVvNTYJJMzIvDc5r+n8licLkGmEPhate OKHA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689853675; x=1690458475; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=E3msxjZdgetMbrGi/qXLG+gWb+dY8uVEsPP0nY7G4QQ=; b=VDMBn5oWV1JK5trP9op+H7bukWXczrXDepjDyOQo88odvx1noBc8KSCV26uvTXcTmj 5eSzpeUkCw7pypc/PIAFbGdUyz17s7UI6QbY+tIUs+wIBffsy64HHPhRmtEDwgHCcRow 383aW4TziuI86PMO23J0j8do/o+M3NLz+U0TX2ogVQCLfd8guAu9xBBFCW0lVAwn7+O+ XSVB1aaD9lRnpBCKamCXMIpk5upREr8jB5GJJmtEVCUSvjMeH1kS5XUSC4+OaT4ts+Np DJELk58R9xO1brWVcxaIWmA4kQs/duWaYFmsuHZnBW9ziFEjGFOIS+RJIXgOmKgnF5vs JiiQ== X-Gm-Message-State: ABy/qLZEIIJ0vA0NRUw0hokPeY1MYKPF0rjxYYANZbJVUKzQVal0Jhnr NAoYjxVclVKCGww7JW7bDdk= X-Google-Smtp-Source: APBJJlGhnr3budaAVAV3RnSZI66mWhW6dvpa/wc8siefx8aeHt5+M50r4WAe/hn2d3bUgjJ025iF/Q== X-Received: by 2002:a17:903:234c:b0:1b8:86a1:9cf with SMTP id c12-20020a170903234c00b001b886a109cfmr5893507plh.32.1689853675583; Thu, 20 Jul 2023 04:47:55 -0700 (PDT) Received: from CLOUDLIANG-MB2.tencent.com ([103.7.29.32]) by smtp.gmail.com with ESMTPSA id u22-20020a170902a61600b001b2069072ccsm1164007plq.18.2023.07.20.04.47.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Jul 2023 04:47:55 -0700 (PDT) From: Jinrong Liang X-Google-Original-From: Jinrong Liang To: Sean Christopherson Cc: Paolo Bonzini , Isaku Yamahata , Jim Mattson , Shuah Khan , Aaron Lewis , David Matlack , Vishal Annapurve , Wanpeng Li , Like Xu , Jinrong Liang , linux-kselftest@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 6/6] KVM: selftests: Test gp event filters don't affect fixed event filters Date: Thu, 20 Jul 2023 19:47:14 +0800 Message-Id: <20230720114714.34079-7-cloudliang@tencent.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230720114714.34079-1-cloudliang@tencent.com> References: <20230720114714.34079-1-cloudliang@tencent.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org From: Jinrong Liang Add a test to ensure that setting both generic and fixed performance event filters does not affect the consistency of the fixed event filter behavior in KVM. Signed-off-by: Jinrong Liang --- .../kvm/x86_64/pmu_event_filter_test.c | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c index a9d44ec210c4..08c7ccd81be2 100644 --- a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c +++ b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c @@ -838,6 +838,19 @@ static uint64_t test_with_fixed_counter_filter(struct kvm_vcpu *vcpu, return run_vcpu_to_sync(vcpu); } +static uint64_t test_set_gp_and_fixed_event_filter(struct kvm_vcpu *vcpu, + uint32_t action, + uint32_t bitmap) +{ + struct __kvm_pmu_event_filter f = base_event_filter; + + f.action = action; + f.fixed_counter_bitmap = bitmap; + do_vcpu_set_pmu_event_filter(vcpu, &f); + + return run_vcpu_to_sync(vcpu); +} + static void __test_fixed_counter_bitmap(struct kvm_vcpu *vcpu, uint8_t idx, uint8_t nr_fixed_counters) { @@ -864,6 +877,20 @@ static void __test_fixed_counter_bitmap(struct kvm_vcpu *vcpu, uint8_t idx, count = test_with_fixed_counter_filter(vcpu, KVM_PMU_EVENT_DENY, bitmap); ASSERT_EQ(!!count, !(bitmap & BIT(idx))); + + /* + * Check that fixed_counter_bitmap has higher priority than + * events[] when both are set. + */ + count = test_set_gp_and_fixed_event_filter(vcpu, + KVM_PMU_EVENT_ALLOW, + bitmap); + ASSERT_EQ(!!count, !!(bitmap & BIT(idx))); + + count = test_set_gp_and_fixed_event_filter(vcpu, + KVM_PMU_EVENT_DENY, + bitmap); + ASSERT_EQ(!!count, !(bitmap & BIT(idx))); } }