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 5A594CCD196 for ; Tue, 14 Oct 2025 18:09:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E2A6910E67E; Tue, 14 Oct 2025 18:09:30 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="hapy7oDL"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 064C710E67A for ; Tue, 14 Oct 2025 18:09:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760465369; x=1792001369; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=tL64BQJ3gnuKfcXJLjCoDrEJ430riC/rIk1umwH1t5Q=; b=hapy7oDLcBxHkqcBUMteGeqx0WPMVeZaoNrScbLZoBBBtAutXkRLZNQ5 SJ8XL62rgvuYD/Adl7MtYF3RguWZ8F+ErD9uXw1A9xpGCDTnlGmjCB4v9 Vtk2aF/Fr5KnGXh3xJ7TtRbud4yHb+8j8iTJ6OpzZ7F5XwjQtLSwMoIv3 fKAtIa6/Fus4kCYFARTnWYEs4FzCgWfKRyFDpZ8KDXLpwYls29acdg7Jv WtA0HNtOi05r9nLiXwIYk5F3Oaoj1cza5zooVXyzFMfKQcJnTyOhrjWM1 r9Qiu8Z1whbQu6h5CEk+wtZeMCo9AteZ6U0p9DwgKYLqI2xHZscNRE1gb Q==; X-CSE-ConnectionGUID: 0/FEYCvvSLybklOBuFxCow== X-CSE-MsgGUID: ZILkOnnzSqWx62pLYZrEiA== X-IronPort-AV: E=McAfee;i="6800,10657,11582"; a="66285416" X-IronPort-AV: E=Sophos;i="6.19,228,1754982000"; d="scan'208";a="66285416" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2025 11:09:28 -0700 X-CSE-ConnectionGUID: pGZMqfE2Sp20enjLSVDJ3Q== X-CSE-MsgGUID: 12OBIRvJQuS4LLUAJNY9AQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,228,1754982000"; d="scan'208";a="212570165" Received: from dut4084arlh.fm.intel.com ([10.105.10.163]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2025 11:09:29 -0700 From: Stuart Summers To: Cc: intel-xe@lists.freedesktop.org, matthew.brost@intel.com, Stuart Summers Subject: [PATCH 1/6] drm/xe: Add additional trace points for LRCs Date: Tue, 14 Oct 2025 18:09:22 +0000 Message-Id: <20251014180927.105077-2-stuart.summers@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251014180927.105077-1-stuart.summers@intel.com> References: <20251014180927.105077-1-stuart.summers@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 trace points to indicate when an LRC has been created and destroyed or get and put. Signed-off-by: Stuart Summers --- drivers/gpu/drm/xe/xe_lrc.c | 4 +++ drivers/gpu/drm/xe/xe_lrc.h | 3 +++ drivers/gpu/drm/xe/xe_trace_lrc.h | 42 ++++++++++++++++++++++++++++++- 3 files changed, 48 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c index b5083c99dd50..42d1c861fe18 100644 --- a/drivers/gpu/drm/xe/xe_lrc.c +++ b/drivers/gpu/drm/xe/xe_lrc.c @@ -1575,6 +1575,8 @@ struct xe_lrc *xe_lrc_create(struct xe_hw_engine *hwe, struct xe_vm *vm, return ERR_PTR(err); } + trace_xe_lrc_create(lrc); + return lrc; } @@ -1589,6 +1591,8 @@ void xe_lrc_destroy(struct kref *ref) { struct xe_lrc *lrc = container_of(ref, struct xe_lrc, refcount); + trace_xe_lrc_destroy(lrc); + xe_lrc_finish(lrc); kfree(lrc); } diff --git a/drivers/gpu/drm/xe/xe_lrc.h b/drivers/gpu/drm/xe/xe_lrc.h index 2fb628da5c43..fd67810f9812 100644 --- a/drivers/gpu/drm/xe/xe_lrc.h +++ b/drivers/gpu/drm/xe/xe_lrc.h @@ -8,6 +8,7 @@ #include #include "xe_lrc_types.h" +#include "xe_trace_lrc.h" struct drm_printer; struct xe_bb; @@ -61,6 +62,7 @@ void xe_lrc_destroy(struct kref *ref); static inline struct xe_lrc *xe_lrc_get(struct xe_lrc *lrc) { kref_get(&lrc->refcount); + trace_xe_lrc_get(lrc); return lrc; } @@ -73,6 +75,7 @@ static inline struct xe_lrc *xe_lrc_get(struct xe_lrc *lrc) */ static inline void xe_lrc_put(struct xe_lrc *lrc) { + trace_xe_lrc_put(lrc); kref_put(&lrc->refcount, xe_lrc_destroy); } diff --git a/drivers/gpu/drm/xe/xe_trace_lrc.h b/drivers/gpu/drm/xe/xe_trace_lrc.h index d525cbee1e34..e8daa5d323e7 100644 --- a/drivers/gpu/drm/xe/xe_trace_lrc.h +++ b/drivers/gpu/drm/xe/xe_trace_lrc.h @@ -13,7 +13,6 @@ #include #include "xe_gt_types.h" -#include "xe_lrc.h" #include "xe_lrc_types.h" #define __dev_name_lrc(lrc) dev_name(gt_to_xe((lrc)->fence_ctx.gt)->drm.dev) @@ -42,6 +41,47 @@ TRACE_EVENT(xe_lrc_update_timestamp, __get_str(device_id)) ); +DECLARE_EVENT_CLASS(xe_lrc, + TP_PROTO(struct xe_lrc *lrc), + TP_ARGS(lrc), + + TP_STRUCT__entry( + __field(struct xe_lrc *, lrc) + __string(name, lrc->fence_ctx.name) + __string(device_id, __dev_name_lrc(lrc)) + ), + + TP_fast_assign( + __entry->lrc = lrc; + __assign_str(name); + __assign_str(device_id); + ), + + TP_printk("lrc=:%p lrc->name=%s device_id:%s", + __entry->lrc, __get_str(name), + __get_str(device_id)) +); + +DEFINE_EVENT(xe_lrc, xe_lrc_create, + TP_PROTO(struct xe_lrc *lrc), + TP_ARGS(lrc) +); + +DEFINE_EVENT(xe_lrc, xe_lrc_destroy, + TP_PROTO(struct xe_lrc *lrc), + TP_ARGS(lrc) +); + +DEFINE_EVENT(xe_lrc, xe_lrc_get, + TP_PROTO(struct xe_lrc *lrc), + TP_ARGS(lrc) +); + +DEFINE_EVENT(xe_lrc, xe_lrc_put, + TP_PROTO(struct xe_lrc *lrc), + TP_ARGS(lrc) +); + #endif /* This part must be outside protection */ -- 2.34.1