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 A2C80D172CD for ; Mon, 2 Feb 2026 05:25:33 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6194410E108; Mon, 2 Feb 2026 05:25:33 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="GAGHchBE"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id B7ECA10E108 for ; Mon, 2 Feb 2026 05:25:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770009931; x=1801545931; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=LKAVV/KPz41jVFHbvCgWRgBGoZ4E2eu6XcMkIXzBZns=; b=GAGHchBEQuR8r0lAq6UUYB8Hny8aB9mtBIXyr5N0+4jeSNPbqTIMOD29 s9mOtP/VJZAYcxHcfg3+qIfF8/NuB8sHB2BPt9sst8wcdePwg5MX+jepI JV9+2sF2toVfpobKCteOiH0TsOdfVEQCc4MoR4CePq2/1XLA9vT1aXGKi wxMEOHnNUAF9TfbewcWqp3my9TdtclV5reSAVpnItiey0sJWcA8Gncfb9 PcLiB2rNwbu7IwbkmwurBnNiqVnrbkkxma33DBVPnz8z5SZrcyBwX+8IV zPlDxiBzPs0GFk0XgoDak0lhO0k8/en6imkXs9oEI2/eDqz9Zj2qNSXFC g==; X-CSE-ConnectionGUID: 4SR9pNDDRcW9Ab1b++sy1g== X-CSE-MsgGUID: SA+IZjvORp6ptPQVagltiw== X-IronPort-AV: E=McAfee;i="6800,10657,11689"; a="71059561" X-IronPort-AV: E=Sophos;i="6.21,268,1763452800"; d="scan'208";a="71059561" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Feb 2026 21:25:31 -0800 X-CSE-ConnectionGUID: jCHJBbDcTem6ySoeNZcqIQ== X-CSE-MsgGUID: 8a/W7/sLSliaNyvDuDDa2g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,268,1763452800"; d="scan'208";a="209497675" Received: from varungup-desk.iind.intel.com ([10.190.238.71]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Feb 2026 21:25:30 -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 Subject: [PATCH v3 1/2] drm/xe: Add counter for invalid prefetch pagefaults Date: Mon, 2 Feb 2026 10:55:14 +0530 Message-ID: <20260202052515.840084-2-varun.gupta@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260202052515.840084-1-varun.gupta@intel.com> References: <20260202052515.840084-1-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 fb2904bd0abd..202aebe3300b 100644 --- a/drivers/gpu/drm/xe/xe_gt_stats.c +++ b/drivers/gpu/drm/xe/xe_gt_stats.c @@ -35,6 +35,7 @@ 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 b92d013091d5..bc4116c70171 100644 --- a/drivers/gpu/drm/xe/xe_gt_stats_types.h +++ b/drivers/gpu/drm/xe/xe_gt_stats_types.h @@ -13,6 +13,7 @@ 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