From patchwork Mon Nov 21 15:29:12 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Foss X-Patchwork-Id: 9439581 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A727660235 for ; Mon, 21 Nov 2016 15:30:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A9FF528ADC for ; Mon, 21 Nov 2016 15:30:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9E1BA28B46; Mon, 21 Nov 2016 15:30:38 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7671928ADC for ; Mon, 21 Nov 2016 15:30:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1DBF26E50B; Mon, 21 Nov 2016 15:30:36 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6F0096E50A for ; Mon, 21 Nov 2016 15:30:28 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: robertfoss) with ESMTPSA id B3C6D268CB7 From: robert.foss@collabora.com To: intel-gfx@lists.freedesktop.org, Gustavo Padovan , Daniel Stone , Daniel Vetter , Marius Vlad , Eric Engestrom , Chris Wilson , Tomeu Vizoso Date: Mon, 21 Nov 2016 10:29:12 -0500 Message-Id: <20161121152922.5595-12-robert.foss@collabora.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20161121152922.5595-1-robert.foss@collabora.com> References: <20161121152922.5595-1-robert.foss@collabora.com> Subject: [Intel-gfx] [PATCH i-g-t v8 11/21] tests/sw_sync: Add subtest test_sync_random_merge X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Robert Foss This subtest verifies that creating many timelines and merging random fences from each timeline with eachother results in merged fences that are fully functional. Signed-off-by: Robert Foss Reviewed-by: Eric Engestrom --- tests/sw_sync.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) diff --git a/tests/sw_sync.c b/tests/sw_sync.c index 11373bb..09c7ab8 100644 --- a/tests/sw_sync.c +++ b/tests/sw_sync.c @@ -399,6 +399,76 @@ static void test_sync_multi_consumer_producer(void) igt_assert_f(thread_ret == 0, "A sync thread reported failure.\n"); } +static void test_sync_random_merge(void) +{ + int i, size, ret; + const int nbr_timeline = 32; + const int nbr_merge = 1024; + int fence_map[nbr_timeline]; + int timeline_arr[nbr_timeline]; + int fence, tmpfence, merged; + int timeline, timeline_offset, sync_pt; + + srand(time(NULL)); + + for (i = 0; i < nbr_timeline; i++) { + timeline_arr[i] = sw_sync_timeline_create(); + fence_map[i] = -1; + } + + sync_pt = rand(); + fence = sw_sync_fence_create(timeline_arr[0], sync_pt); + + fence_map[0] = sync_pt; + + /* Randomly create syncpoints out of a fixed set of timelines, + * and merge them together. + */ + for (i = 0; i < nbr_merge; i++) { + /* Generate syncpoint. */ + timeline_offset = rand() % nbr_timeline; + timeline = timeline_arr[timeline_offset]; + sync_pt = rand(); + + /* Keep track of the latest sync_pt in each timeline. */ + if (fence_map[timeline_offset] == -1) + fence_map[timeline_offset] = sync_pt; + else if (fence_map[timeline_offset] < sync_pt) + fence_map[timeline_offset] = sync_pt; + + /* Merge. */ + tmpfence = sw_sync_fence_create(timeline, sync_pt); + merged = sync_merge(tmpfence, fence); + close(tmpfence); + close(fence); + fence = merged; + } + + size = 0; + for (i = 0; i < nbr_timeline; i++) + if (fence_map[i] != -1) + size++; + + /* Trigger the merged fence. */ + for (i = 0; i < nbr_timeline; i++) { + if (fence_map[i] != -1) { + ret = sync_wait(fence, 0); + igt_assert_f(ret == -1 && errno == ETIME, + "Failure waiting on fence until timeout\n"); + /* Increment the timeline to the last sync_pt */ + sw_sync_timeline_inc(timeline_arr[i], fence_map[i]); + } + } + + /* Check that the fence is triggered. */ + ret = sync_wait(fence, 0); + igt_assert_f(ret == 0, "Failure triggering fence\n"); + + close(fence); + for (i = 0; i < nbr_timeline; i++) + close(timeline_arr[i]); +} + igt_main { igt_subtest("alloc_timeline") @@ -427,5 +497,8 @@ igt_main igt_subtest("sync_multi_consumer_producer") test_sync_multi_consumer_producer(); + + igt_subtest("sync_random_merge") + test_sync_random_merge(); }