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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 092671061B1F for ; Mon, 30 Mar 2026 20:14:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9EDC510E7BB; Mon, 30 Mar 2026 20:14:24 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="JyAUYRG6"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id 88E6F10E7BE for ; Mon, 30 Mar 2026 20:14:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774901656; x=1806437656; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=PS++JMwd7nRIYCg3ksEWyUf06ulduPpRHUpGUv9+jhI=; b=JyAUYRG6bqNLMFF/DWqDAbhtdPN2sDrkX8jVe0U7s7Lj9PlqEhMsr9Cc C+OcdgNZYSK+asNZ7s210duxoF10G/XECvqUP1rhRIkGP1kOP4NMVlk7h 6fTDx3/t/qbECRugKgNEvNcl7SQU8bmLnBIWUjUVMngmIcwP7dOhLZiEq x0TD3CF2Td9N0q+QVjbpc4bdon23pyluFQSCaffLCPJ5bJp0SAKc11P+5 4v6bPiQJogc6a3x1Q6CoFhZ9kb1GxpsDh5AnpcD5yAXvjGiloTiIrB3VI XQj8qc9ap6R8mVLAu+EIapoxopOYNyXWPj1xkvQM/UgB8G3fckqo44zI3 w==; X-CSE-ConnectionGUID: 9paQ50hMQJSQWcqtkbzIjw== X-CSE-MsgGUID: bzRdQVHZTe6dbg/ZOl4DWQ== X-IronPort-AV: E=McAfee;i="6800,10657,11744"; a="86980771" X-IronPort-AV: E=Sophos;i="6.23,150,1770624000"; d="scan'208";a="86980771" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Mar 2026 13:14:16 -0700 X-CSE-ConnectionGUID: NbppxUkDTriRknw/F990sQ== X-CSE-MsgGUID: BMMqmqzPTmeKyL1dH+UPkQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,150,1770624000"; d="scan'208";a="222842803" Received: from orsosgc001.jf.intel.com ([10.88.27.185]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Mar 2026 13:14:15 -0700 From: Ashutosh Dixit To: igt-dev@lists.freedesktop.org Cc: Umesh Nerlige Ramappa Subject: [PATCH i-g-t v2] tests/intel/xe_oa: Extend enable-disable to read after disabling stream Date: Mon, 30 Mar 2026 13:14:08 -0700 Message-ID: <20260330201408.28421-1-ashutosh.dixit@intel.com> X-Mailer: git-send-email 2.48.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Extend enable-disable subtest to validate the new feature of reading after disabling OA stream. v2: s/igt_assert_eq(ret, sizeof(buf));/igt_assert_lt(0, ret);/ Reviewed-by: Umesh Nerlige Ramappa Signed-off-by: Ashutosh Dixit --- tests/intel/xe_oa.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/tests/intel/xe_oa.c b/tests/intel/xe_oa.c index 387f29535e..f0944c74b5 100644 --- a/tests/intel/xe_oa.c +++ b/tests/intel/xe_oa.c @@ -2774,6 +2774,32 @@ test_enable_disable(const struct drm_xe_oa_unit *oau) get_stream_status(stream_fd); igt_assert_eq(ret, sizeof(buf)); + /* Wait again for more reports */ + pollfd.fd = stream_fd; + pollfd.events = POLLIN; + poll(&pollfd, 1, -1); + igt_assert(pollfd.revents & POLLIN); + + do_ioctl(stream_fd, DRM_XE_OBSERVATION_IOCTL_DISABLE, 0); + + /* + * Ensure some reports can be read even with disabled stream. These + * can be less than WAIT_NUM_REPORTS, if pollin was left set in the + * kernel after the previous read (since read buffer is small) + */ + while ((ret = read(stream_fd, buf, sizeof(buf))) < 0 && errno == EINTR) + ; + get_stream_status(stream_fd); + igt_assert_lt(0, ret); + + /* In non-blocking mode read till we see a -EAGAIN, signifying all available data is read */ + set_fd_flags(stream_fd, O_CLOEXEC | O_NONBLOCK); + while ((ret = read(stream_fd, buf, sizeof(buf))) > 0 || + (ret == -1 && (errno == EINTR || errno == EIO))) + ; + igt_assert_eq(ret, -1); + igt_assert_eq(errno, EAGAIN); + __perf_close(stream_fd); } -- 2.48.1