From patchwork Fri Sep 29 12:25:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tvrtko Ursulin X-Patchwork-Id: 13404189 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 D369EE71D22 for ; Fri, 29 Sep 2023 12:25:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 330A810E6FE; Fri, 29 Sep 2023 12:25:30 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id ACB0D10E6FD; Fri, 29 Sep 2023 12:25:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695990327; x=1727526327; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=3nWxMUgQDs+lJ2jqZ/3fRn69jkLn2xn7nq16lXtvZgI=; b=eNZYOj4mmKX86H84W/uo0aQnB+PeTsoimPppgKz6ZaA/5xxeHX4/sein VvJr7A6gXAxNDvPClWxPho+/gqRpIvrH+zNCXVx38hLEGVO8AK+mgeg35 2hjEY/a9s2vXZgTOCHfq2hWxqGIqxJ4ox2ss6SOf0w+mhVSSURiQRZoID iKI4lPomufb1V76BgwhpW1jjGfDRyaMw9Yn8zmlWC/qurV/42cRwFkNId moYcuQj0GNlGjIVMgWDxrNvAl1VwTgpq50AcR9nQ8ItvJrBjOJ6VTI6ik DLOHzUHncsTrSbmaudiuVOqFiELyT1L2J+hqG7WcvgqlLaTA33H/L2LgT Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10847"; a="446443761" X-IronPort-AV: E=Sophos;i="6.03,187,1694761200"; d="scan'208";a="446443761" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Sep 2023 05:25:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10847"; a="726577138" X-IronPort-AV: E=Sophos;i="6.03,187,1694761200"; d="scan'208";a="726577138" Received: from pbrady4x-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.213.203.84]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Sep 2023 05:25:26 -0700 From: Tvrtko Ursulin To: igt-dev@lists.freedesktop.org, Intel-gfx@lists.freedesktop.org Date: Fri, 29 Sep 2023 13:25:07 +0100 Message-Id: <20230929122517.349348-3-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230929122517.349348-1-tvrtko.ursulin@linux.intel.com> References: <20230929122517.349348-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH i-g-t 02/12] tests/i915/drm_fdinfo: Stress test context close versus fdinfo reads X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Tvrtko Ursulin A short smoke tests to exercise fdinfo reads in parallel to contexts getting created and destroyed. Signed-off-by: Tvrtko Ursulin --- tests/intel/drm_fdinfo.c | 68 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) diff --git a/tests/intel/drm_fdinfo.c b/tests/intel/drm_fdinfo.c index 344c44dce78b..c4218b0d16e6 100644 --- a/tests/intel/drm_fdinfo.c +++ b/tests/intel/drm_fdinfo.c @@ -22,11 +22,14 @@ * */ +#include + #include "igt.h" #include "igt_core.h" #include "igt_device.h" #include "igt_drm_fdinfo.h" #include "i915/gem.h" +#include "i915/gem_create.h" #include "i915/gem_vm.h" #include "intel_ctx.h" /** @@ -72,6 +75,8 @@ * SUBTEST: virtual-busy-idle-all * * SUBTEST: virtual-idle + * + * SUBTEST: context-close-stress */ IGT_TEST_DESCRIPTION("Test the i915 drm fdinfo data"); @@ -717,6 +722,56 @@ virtual_all(int i915, const intel_ctx_cfg_t *base_cfg, unsigned int flags) } } +static void stress_context_close(int i915) +{ + const uint32_t bbe = MI_BATCH_BUFFER_END; + struct igt_helper_process reader = { }; + struct drm_client_fdinfo info; + uint32_t batch; + int dir, ret; + char buf[64]; + + ret = snprintf(buf, sizeof(buf), "%u", i915); + igt_assert(ret > 0 && ret < sizeof(buf)); + + dir = open("/proc/self/fdinfo", O_DIRECTORY | O_RDONLY); + igt_assert_fd(dir); + + memset(&info, 0, sizeof(info)); + ret = __igt_parse_drm_fdinfo(dir, buf, &info, NULL, 0, NULL, 0); + igt_assert(ret > 0); + igt_require(info.num_regions); + + batch = gem_create(i915, 4096); + gem_write(i915, batch, 0, &bbe, sizeof(bbe)); + + igt_fork_helper(&reader) { + for (;;) { + memset(&info, 0, sizeof(info)); + ret = __igt_parse_drm_fdinfo(dir, buf, &info, + NULL, 0, NULL, 0); + igt_assert(ret > 0); + } + } + + igt_until_timeout(10) { + struct drm_i915_gem_exec_object2 obj = { + .handle = batch, + }; + struct drm_i915_gem_execbuffer2 eb = { + .buffers_ptr = to_user_pointer(&obj), + .buffer_count = 1, + }; + + eb.rsvd1 = gem_context_create(i915); + igt_assert(eb.rsvd1); + gem_execbuf(i915, &eb); + gem_context_destroy(i915, eb.rsvd1); + } + + igt_stop_helper(&reader); +} + #define test_each_engine(T, i915, ctx, e) \ igt_subtest_with_dynamic(T) for_each_ctx_engine(i915, ctx, e) \ igt_dynamic_f("%s", e->name) @@ -848,6 +903,19 @@ igt_main test_each_engine("isolation", i915, ctx, e) single(i915, ctx, e, TEST_BUSY | TEST_ISOLATION); + igt_subtest_group { + int newfd; + + igt_fixture + newfd = drm_reopen_driver(i915); + + igt_subtest("context-close-stress") + stress_context_close(newfd); + + igt_fixture + drm_close_driver(newfd); + } + igt_fixture { intel_ctx_destroy(i915, ctx); drm_close_driver(i915);