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 6B3E5C4345F for ; Tue, 30 Apr 2024 22:16:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EC5C8112F71; Tue, 30 Apr 2024 22:16:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="WpfwuqAK"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id CF1C4112F71 for ; Tue, 30 Apr 2024 22:16:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1714515377; x=1746051377; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=SJCcra55jGOik3FScQMBzlj6dQKMPZYteYfBCrqTt+M=; b=WpfwuqAKINHgoNzpVUwh+0it5bZ8kcoe39YJImabO/OTi4MZLg0nnj54 dBBg7RWZ1MJ0DJV3Q3PVc2GxTAmwdIZUYHz4fEA+7u8xND2zaf91y+pNE e/ZJG9U8sXpTBcWRoZOiABxatWTTorHRMRKiL5aq+J0+bZX5t/GuRfOCz Hz7TIk3d6a2lrUqJ44WlJh1QzjSj6eC+lYpAfjRIAVfschLHu3BdPAsY0 keh0YKNMarsx62gDAvz2bsyWzhTUTTK02fQFIRdyH6Awrtd8fFUg1bUBP g7X0B+jkkBD8pgOUmUHzMvJdD43TntzY+gyYpoXJaqRJpMjnHvx+Xb+MV w==; X-CSE-ConnectionGUID: HQ7ZIYB3TMSw+v4OOkXzmg== X-CSE-MsgGUID: YGLWmJ9sT1qMarXv3VsMGQ== X-IronPort-AV: E=McAfee;i="6600,9927,11060"; a="10409910" X-IronPort-AV: E=Sophos;i="6.07,243,1708416000"; d="scan'208";a="10409910" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Apr 2024 15:16:16 -0700 X-CSE-ConnectionGUID: HgBOq9vzRAyTNIoSFDgWaw== X-CSE-MsgGUID: CrrYVNrbRWq6Nih+m/UjBw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,243,1708416000"; d="scan'208";a="31216989" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Apr 2024 15:16:16 -0700 From: Matthew Brost To: igt-dev@lists.freedesktop.org Cc: Matthew Brost Subject: [PATCH] tests/intel/xe_vm: Update mmap hammer sections to prefetch next page Date: Tue, 30 Apr 2024 15:16:44 -0700 Message-Id: <20240430221644.2370891-1-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 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" Adjust mmap hammer sections to prefetch next page by moving BB to within PAGE_SIZE /8 of page boundary. This is prefetch next page on all platforms, even ones with a smaller prefetch size. Signed-off-by: Matthew Brost --- tests/intel/xe_vm.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tests/intel/xe_vm.c b/tests/intel/xe_vm.c index de2b1a8136..77cf1f7e67 100644 --- a/tests/intel/xe_vm.c +++ b/tests/intel/xe_vm.c @@ -1623,10 +1623,11 @@ test_mmap_style_bind(int fd, struct drm_xe_engine_class_instance *eci, t.fd = fd; t.vm = vm; #define PAGE_SIZE 4096 - t.addr = addr + PAGE_SIZE / 2; +#define HAMMER_OFFSET (PAGE_SIZE - (PAGE_SIZE / 32)) + t.addr = addr + HAMMER_OFFSET; t.eci = eci; t.exit = &exit; - t.map = map0 + PAGE_SIZE / 2; + t.map = map0 + HAMMER_OFFSET; t.barrier = &barrier; pthread_barrier_init(&barrier, NULL, 2); pthread_create(&t.thread, 0, hammer_thread, &t); @@ -1685,7 +1686,7 @@ test_mmap_style_bind(int fd, struct drm_xe_engine_class_instance *eci, igt_assert_eq(data->data, 0xc0ffee); } if (flags & MAP_FLAG_HAMMER_FIRST_PAGE) { - memset(map0, 0, PAGE_SIZE / 2); + memset(map0, 0, HAMMER_OFFSET); memset(map0 + PAGE_SIZE, 0, bo_size - PAGE_SIZE); } else { memset(map0, 0, bo_size); -- 2.34.1