From patchwork Tue Mar 25 01:57:39 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Levitsky X-Patchwork-Id: 14027996 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 07C1B1547C3 for ; Tue, 25 Mar 2025 01:57:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742867874; cv=none; b=fKoJ2Soy5ay2JfcXCsoVoxm1R+R7sVVA4+30BO5G392Mbb4BKyGrwncdh9ffH6KeW1g6IffIt5kC4pu8++TKFumYxoFf//V2c/7bKNwpElyQne6HpXdg1Vk9cpwtHIQEHRAebH7qUE3DjxE1G41ph3ufAOnXhxjjxlW5gBXCBR4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742867874; c=relaxed/simple; bh=Ij/UC/V3EoUszJukWy9se9p2Z5SkuuZcxQy6mcDyK18=; h=From:To:Cc:Subject:Date:Message-Id:Content-Type:MIME-Version; b=q44UEapgIrRFtSCUoMCKTDBgdoJ5g9ABoBclOPvl4bOsMMLEPgoQmdkvAIpXEfgfjDhIJrBgfX50HXtqaWBWWrl7JrTQBjUS/dY+HbynOzcwsa76IsV0UyOk0yh8Kqx0yfmFKGQ/0QubTf4yny7QFeAiXuBzjf7E8keflmRf1h8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=dAFzAi5K; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="dAFzAi5K" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1742867871; 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=HnkkWB/IJYXgybfVM3A/a6LLwZkE9IPLdJKeFGOk9uQ=; b=dAFzAi5K/2qBVMsfgFV2Bp3lw4O51wajirt7MB7foLpgKiTbnBs1/DxVUu/6d4WSZqOPeK dNOWqg8AcZLNPUY1yG0GrBjKr01r89/HsDm/I0Zx7sT3KTvEH6O0Jy0McNj4RPVo1e3sSO yEzPAGPp4hKNRuliJg14FbIWSnPewmY= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-54-3i8avJ-0NuqAhShzKFiqwg-1; Mon, 24 Mar 2025 21:57:47 -0400 X-MC-Unique: 3i8avJ-0NuqAhShzKFiqwg-1 X-Mimecast-MFC-AGG-ID: 3i8avJ-0NuqAhShzKFiqwg_1742867865 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 20F03196D2CD; Tue, 25 Mar 2025 01:57:45 +0000 (UTC) Received: from starship.lan (unknown [10.22.65.191]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 89B551800268; Tue, 25 Mar 2025 01:57:42 +0000 (UTC) From: Maxim Levitsky To: kvm@vger.kernel.org Cc: Muhammad Usama Anjum , linux-kernel@vger.kernel.org, Sean Christopherson , Maxim Levitsky , James Houghton , Shuah Khan , Claudio Imbrenda , Oliver Upton , Paolo Bonzini , linux-kselftest@vger.kernel.org, Anup Patel Subject: [PATCH v2 0/2] KVM: selftests: access_tracking_perf_test: skip the test when NUMA balancing is active Date: Mon, 24 Mar 2025 21:57:39 -0400 Message-Id: <20250325015741.2478906-1-mlevitsk@redhat.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Due to several issues which are unlikely to be fixed in the near future, the access_tracking_perf_test sanity check for how many pages are still clean after an iteration is not reliable when NUMA balancing is active. This patch series refactors this test to skip this check by default automatically. V2: adopted Sean's suggestions. Best regards, Maxim Levitsky Maxim Levitsky (1): KVM: selftests: access_tracking_perf_test: add option to skip the sanity check Sean Christopherson (1): KVM: selftests: Extract guts of THP accessor to standalone sysfs helpers .../selftests/kvm/access_tracking_perf_test.c | 33 +++++++++++++-- .../testing/selftests/kvm/include/test_util.h | 1 + tools/testing/selftests/kvm/lib/test_util.c | 42 ++++++++++++++----- 3 files changed, 61 insertions(+), 15 deletions(-)