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 AAB33C531E4 for ; Fri, 20 Feb 2026 04:35:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 40D2C10E77E; Fri, 20 Feb 2026 04:35:22 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="J9zZ3kxs"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 57B6D10E77E for ; Fri, 20 Feb 2026 04:35:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771562121; x=1803098121; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=QV4bQTFaHQs3K4IJB/gwM0wBiFZ/YZfXdSg5oK0RjME=; b=J9zZ3kxs7QDaj4PrwxKWgWQF10FY/x+mQvna2Jbgd2PkkCu2XWZSTJKP YqMGAWuiFGH9AaeIsANt7W5SfRLMgNKnuwwsunAIznwlnGtYoXSLw+ZTV mTb0ctQJv7el1ah4e0XbIRyjhhddPfIeiO5ICSpTq8MqferJOZyWnh9rO VvoCIVMjeC/AeRcrqMh7aOWvuyFHM+Se3ofclmc2d42o3hIXdwN6e9yfV LzJOrfBwj+l2ilndG8GrOcFpXMoOcmFnuJy8kTgynmfqQws1yBBX64WqD m8dK6nxc5DXXaBFLXL/0+1P+42LNkKVFOIP+ksgWIA5pHemC8A68s+J7/ w==; X-CSE-ConnectionGUID: LEW702kFRECRGCsOyCoP2w== X-CSE-MsgGUID: doKRte9KT3yt58Skb+J9yA== X-IronPort-AV: E=McAfee;i="6800,10657,11706"; a="84019082" X-IronPort-AV: E=Sophos;i="6.21,301,1763452800"; d="scan'208";a="84019082" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2026 20:35:21 -0800 X-CSE-ConnectionGUID: ty62xRTCTwyzg1eYMqXt0A== X-CSE-MsgGUID: NUa80spQTf+iOVTBGzO3EQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,301,1763452800"; d="scan'208";a="214592703" Received: from varungup-desk.iind.intel.com ([10.190.238.71]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2026 20:35:19 -0800 From: Varun Gupta To: intel-xe@lists.freedesktop.org Cc: matthew.brost@intel.com, matthew.d.roper@intel.com, himal.prasad.ghimiray@intel.com, priyanka.dandamudi@intel.com, stuart.summers@intel.com Subject: [PATCH v4 1/2] drm/xe: Add counter for invalid prefetch pagefaults Date: Fri, 20 Feb 2026 10:05:01 +0530 Message-ID: <20260220043502.1060473-2-varun.gupta@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260220043502.1060473-1-varun.gupta@intel.com> References: <20260220043502.1060473-1-varun.gupta@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Add a stats counter for invalid prefetch page faults to avoid excessive logging. Originally-by: Lucas De Marchi Cc: Matthew Brost Cc: Matt Roper Signed-off-by: Lucas De Marchi Signed-off-by: Varun Gupta --- v3: - New patch splitting stats counter from main prefetch implementation (Matt Brost) - Renamed from PREFETCH_PAGEFAULT_COUNT to INVALID_PREFETCH_PAGEFAULT_COUNT (Matt Brost) --- drivers/gpu/drm/xe/xe_gt_stats.c | 1 + drivers/gpu/drm/xe/xe_gt_stats_types.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_gt_stats.c b/drivers/gpu/drm/xe/xe_gt_stats.c index 8ed0160a6041..81cec441b449 100644 --- a/drivers/gpu/drm/xe/xe_gt_stats.c +++ b/drivers/gpu/drm/xe/xe_gt_stats.c @@ -60,6 +60,7 @@ static const char *const stat_description[__XE_GT_STATS_NUM_IDS] = { DEF_STAT_STR(SVM_TLB_INVAL_US, "svm_tlb_inval_us"), DEF_STAT_STR(VMA_PAGEFAULT_COUNT, "vma_pagefault_count"), DEF_STAT_STR(VMA_PAGEFAULT_KB, "vma_pagefault_kb"), + DEF_STAT_STR(INVALID_PREFETCH_PAGEFAULT_COUNT, "invalid_prefetch_pagefault_count"), DEF_STAT_STR(SVM_4K_PAGEFAULT_COUNT, "svm_4K_pagefault_count"), DEF_STAT_STR(SVM_64K_PAGEFAULT_COUNT, "svm_64K_pagefault_count"), DEF_STAT_STR(SVM_2M_PAGEFAULT_COUNT, "svm_2M_pagefault_count"), diff --git a/drivers/gpu/drm/xe/xe_gt_stats_types.h b/drivers/gpu/drm/xe/xe_gt_stats_types.h index 79568591bd67..b6081c312474 100644 --- a/drivers/gpu/drm/xe/xe_gt_stats_types.h +++ b/drivers/gpu/drm/xe/xe_gt_stats_types.h @@ -15,6 +15,7 @@ enum xe_gt_stats_id { XE_GT_STATS_ID_SVM_TLB_INVAL_US, XE_GT_STATS_ID_VMA_PAGEFAULT_COUNT, XE_GT_STATS_ID_VMA_PAGEFAULT_KB, + XE_GT_STATS_ID_INVALID_PREFETCH_PAGEFAULT_COUNT, XE_GT_STATS_ID_SVM_4K_PAGEFAULT_COUNT, XE_GT_STATS_ID_SVM_64K_PAGEFAULT_COUNT, XE_GT_STATS_ID_SVM_2M_PAGEFAULT_COUNT, -- 2.43.0