From patchwork Sun May 19 20:24:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elizabeth Figura X-Patchwork-Id: 13667923 Received: from mail.codeweavers.com (mail.codeweavers.com [4.36.192.163]) (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 82A2171B52; Sun, 19 May 2024 20:25:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=4.36.192.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716150319; cv=none; b=Ihz8YHw5c0JS3S0XZBMU+BdnuUz8tKXQ3um8KXX1ef9jz6Li1TqZzSbduD0I3ok+yfshg+4ASDPWBLSUnynGwyaz9OR9uIN8If1Kx8cKKbZKGCvND81Xt4j2zvp0ibnRQ5h4W9oEcLOkB/quH2kgDCJflJa9356044bGodks3lo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716150319; c=relaxed/simple; bh=FzJOOSC9UUHrWRcI7UAQtasAek/KIUNP0SrrKFAkeFc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pebZen4N4PpTKBFg+uV+bHsFmSOw3fpSc9mQIjlkuaRmoLP6KGtI2cAOssOqGTUf6A8v2zl0coW4/+KXpC/rWp5S0WXhnbQyt6VlocehL312pUSXG7xZ/lsm5LXfzUjoKi6UrFGzX5YBJVJTWSEe5+TH9hZcYoiF9GOdOLMaoS4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=codeweavers.com; spf=pass smtp.mailfrom=codeweavers.com; dkim=pass (2048-bit key) header.d=codeweavers.com header.i=@codeweavers.com header.b=QCbrF+CJ; arc=none smtp.client-ip=4.36.192.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=codeweavers.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=codeweavers.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=codeweavers.com header.i=@codeweavers.com header.b="QCbrF+CJ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=codeweavers.com; s=s1; h=Message-ID:Date:Subject:Cc:To:From:Sender; bh=mD7kGOKMw9/SgIhNijECJqDpS2n0gwPnb6QPtQ/fOO8=; b=QCbrF+CJT8vL3VIl0W0pStHPvH mLaVYIbWbk7zFe3FuiEMvC3CzWpx6hu/UvNdVAFfV68nGuPT+Yqu68YBDtHk5mEkh+t0F6RJfYLDg 9WjfHLVnhVyFh4vWKxkUs64mIE+FJ9qMvjGPoLvEKkz8bEIi0n0NFGpmLqC0AdB5tRoT4hAjFCSDs ou15sT9aG5nS1uos6ZnISFEc04h0u6XdzbjrM4Bvbjm9Qvgpg11UQnfktykvjsZfKV4qoGncpG78/ VLWEX+ZDYgGST6CUDtJx6/uG1k+7Ke6ZMb76aXtnK7O2VrDwEmk0Mt702nHQDNpR4ZjnrHuPblFN1 tZueIiLw==; Received: from cw137ip160.mn.codeweavers.com ([10.69.137.160] helo=camazotz.mn.codeweavers.com) by mail.codeweavers.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1s8n5h-008wIn-1U; Sun, 19 May 2024 15:25:09 -0500 From: Elizabeth Figura To: Arnd Bergmann , Greg Kroah-Hartman , Jonathan Corbet , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, wine-devel@winehq.org, =?utf-8?q?Andr=C3=A9_Almeida?= , Wolfram Sang , Arkadiusz Hiler , Peter Zijlstra , Andy Lutomirski , linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, Randy Dunlap , Ingo Molnar , Will Deacon , Waiman Long , Boqun Feng , Elizabeth Figura Subject: [PATCH v5 24/28] selftests: ntsync: Add some tests for wakeup signaling via alerts. Date: Sun, 19 May 2024 15:24:50 -0500 Message-ID: <20240519202454.1192826-25-zfigura@codeweavers.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240519202454.1192826-1-zfigura@codeweavers.com> References: <20240519202454.1192826-1-zfigura@codeweavers.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Expand the alert tests to cover alerting a thread mid-wait, to test that the relevant scheduling logic works correctly. Signed-off-by: Elizabeth Figura --- .../testing/selftests/drivers/ntsync/ntsync.c | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/tools/testing/selftests/drivers/ntsync/ntsync.c b/tools/testing/selftests/drivers/ntsync/ntsync.c index 5465a16d38b3..968874d7e325 100644 --- a/tools/testing/selftests/drivers/ntsync/ntsync.c +++ b/tools/testing/selftests/drivers/ntsync/ntsync.c @@ -1113,9 +1113,12 @@ TEST(wake_all) TEST(alert_any) { struct ntsync_event_args event_args = {0}; + struct ntsync_wait_args wait_args = {0}; struct ntsync_sem_args sem_args = {0}; __u32 index, count, signaled; + struct wait_args thread_args; int objs[2], fd, ret; + pthread_t thread; fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); ASSERT_LE(0, fd); @@ -1163,6 +1166,34 @@ TEST(alert_any) EXPECT_EQ(0, ret); EXPECT_EQ(2, index); + /* test wakeup via alert */ + + ret = ioctl(event_args.event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + + wait_args.timeout = get_abs_timeout(1000); + wait_args.objs = (uintptr_t)objs; + wait_args.count = 2; + wait_args.owner = 123; + wait_args.index = 0xdeadbeef; + wait_args.alert = event_args.event; + thread_args.fd = fd; + thread_args.args = &wait_args; + thread_args.request = NTSYNC_IOC_WAIT_ANY; + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + ret = ioctl(event_args.event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(2, wait_args.index); + close(event_args.event); /* test with an auto-reset event */ @@ -1199,9 +1230,12 @@ TEST(alert_any) TEST(alert_all) { struct ntsync_event_args event_args = {0}; + struct ntsync_wait_args wait_args = {0}; struct ntsync_sem_args sem_args = {0}; + struct wait_args thread_args; __u32 index, count, signaled; int objs[2], fd, ret; + pthread_t thread; fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); ASSERT_LE(0, fd); @@ -1235,6 +1269,34 @@ TEST(alert_all) EXPECT_EQ(0, ret); EXPECT_EQ(2, index); + /* test wakeup via alert */ + + ret = ioctl(event_args.event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + + wait_args.timeout = get_abs_timeout(1000); + wait_args.objs = (uintptr_t)objs; + wait_args.count = 2; + wait_args.owner = 123; + wait_args.index = 0xdeadbeef; + wait_args.alert = event_args.event; + thread_args.fd = fd; + thread_args.args = &wait_args; + thread_args.request = NTSYNC_IOC_WAIT_ALL; + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + ret = ioctl(event_args.event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(2, wait_args.index); + close(event_args.event); /* test with an auto-reset event */