From patchwork Mon Aug 5 01:30:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Waiman Long X-Patchwork-Id: 817241 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 4387413E3EA for ; Mon, 5 Aug 2024 01:31:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722821467; cv=none; b=notsM2YjMwedH97kzlIotOgZMvqbbbXv88C6RtfBltofKsk8dYTt8AYgLFVjGVagxX+H6jwdAckmpjPDg5/e/grawrgXODJ8WW+FY1fNEn9X57MOqOonNUYHk2UZZNTJEo89+NcsUX2WjFhYHWEIo0zv5WYO4pamt7C7k7A4z98= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722821467; c=relaxed/simple; bh=39sLqkK1hW5EV6YFEtmuk1YEgFv6Iqi71UFgllFK/p8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KLQ0xadql+Daw2Y7uwtd1d6glyPXLrhhAcMKuPup9xOhyJSJv1gW3ne94YNMY9PoXTOQhgjcpRkccIBB/NQoiaokCQNKqVlHUXof47v+hrRKJQMjdM0y/c1kEVxOKEi9FeYmtqVp4uK/3+mnOBD8DJazO32vk9bIjOh6QSoZ/bM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none 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=camrb7M6; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none 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="camrb7M6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1722821465; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=URmVA8EbEW4iZr2WAUB//HEv0SoOzbHc2nBPlkzxeFI=; b=camrb7M6HXzm/TgHpllu1NUYgVKjIx8OntQ77yc9aBbej0JQ17/5/v+dXvmsItTMc44aa+ PgYHvWTVMvBCH9Dcsg4sHr3NQozJn0SWs196w6YFWmERHQu4IURC03FrpHJJfIxwQO1HaA 7a0kTuUxWYHjuiGf+9U9WhuFiduu88k= Received: from mx-prod-mc-03.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-553-tO7IIqb3Obu4ALm3Mbn3eA-1; Sun, 04 Aug 2024 21:31:01 -0400 X-MC-Unique: tO7IIqb3Obu4ALm3Mbn3eA-1 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (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-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C25BD1955D50; Mon, 5 Aug 2024 01:30:59 +0000 (UTC) Received: from llong.com (unknown [10.2.16.2]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id AEFA11955E80; Mon, 5 Aug 2024 01:30:57 +0000 (UTC) From: Waiman Long To: Tejun Heo , Zefan Li , Johannes Weiner , =?utf-8?q?Michal_Koutn=C3=BD?= , Shuah Khan Cc: linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-kselftest@vger.kernel.org, Chen Ridong , Waiman Long Subject: [PATCH-cgroup 5/5] selftest/cgroup: Add new test cases to test_cpuset_prs.sh Date: Sun, 4 Aug 2024 21:30:19 -0400 Message-ID: <20240805013019.724300-6-longman@redhat.com> In-Reply-To: <20240805013019.724300-1-longman@redhat.com> References: <20240805013019.724300-1-longman@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 3.0 on 10.30.177.17 Add new test cases to test_cpuset_prs.sh to cover corner cases reported in previous fix commits. Signed-off-by: Waiman Long --- tools/testing/selftests/cgroup/test_cpuset_prs.sh | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/cgroup/test_cpuset_prs.sh b/tools/testing/selftests/cgroup/test_cpuset_prs.sh index 7c08cc153367..7295424502b9 100755 --- a/tools/testing/selftests/cgroup/test_cpuset_prs.sh +++ b/tools/testing/selftests/cgroup/test_cpuset_prs.sh @@ -321,7 +321,7 @@ TEST_MATRIX=( # old-A1 old-A2 old-A3 old-B1 new-A1 new-A2 new-A3 new-B1 fail ECPUs Pstate ISOLCPUS # ------ ------ ------ ------ ------ ------ ------ ------ ---- ----- ------ -------- # - # Incorrect change to cpuset.cpus invalidates partition root + # Incorrect change to cpuset.cpus[.exclusive] invalidates partition root # # Adding CPUs to partition root that are not in parent's # cpuset.cpus is allowed, but those extra CPUs are ignored. @@ -365,6 +365,16 @@ TEST_MATRIX=( # cpuset.cpus can overlap with sibling cpuset.cpus.exclusive but not subsumed by it " C0-3 . . C4-5 X5 . . . 0 A1:0-3,B1:4-5" + # Child partition root that try to take all CPUs from parent partition + # with tasks will remain invalid. + " C1-4:P1:S+ P1 . . . . . . 0 A1:1-4,A2:1-4 A1:P1,A2:P-1" + " C1-4:P1:S+ P1 . . . C1-4 . . 0 A1,A2:1-4 A1:P1,A2:P1" + " C1-4:P1:S+ P1 . . T C1-4 . . 0 A1:1-4,A2:1-4 A1:P1,A2:P-1" + + # Clearing of cpuset.cpus with a preset cpuset.cpus.exclusive shouldn't + # affect cpuset.cpus.exclusive.effective. + " C1-4:X3:S+ C1:X3 . . . C . . 0 A2:1-4,XA2:3" + # old-A1 old-A2 old-A3 old-B1 new-A1 new-A2 new-A3 new-B1 fail ECPUs Pstate ISOLCPUS # ------ ------ ------ ------ ------ ------ ------ ------ ---- ----- ------ -------- # Failure cases: