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 35CDACAC5B0 for ; Thu, 2 Oct 2025 23:04:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D786210E861; Thu, 2 Oct 2025 23:04:50 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="WLeMcia+"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4735010E858 for ; Thu, 2 Oct 2025 23:04:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1759446288; x=1790982288; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=obcnOkVt8YfKUQ6jfa6NhTHp1SRP3yNF/b5fHuCQt+0=; b=WLeMcia+G7tWAG4r6/pXQh+8LnCNfju5ViDHSIZBrpCzCkIv08qk7o93 Iq3gmBXIpWWJTRsGEGsbCThKX2Nd8a1AUk0420co20qVwrWLYz8FZEp6K YnRwMGaAU4AVCU2pWRd4BYqyDlhgkdqhAJmY7eS4Gf10rst459S4oBbgo pVD8jSmji9T/oIXbhbAV7Yzoml5CD8ruljcJaAZNJ56Aiwu9S8ZRkAU41 NRUPPIblLEFtd55sdc89g2QOReJYZDPtf+aAt6KE2OCh5eb+drdk//7EX rkt5P7qGlH3Npo89AB1OdRB/uUaDfHnZcVOsuchJwqy0lFKHx1G5NCLeP Q==; X-CSE-ConnectionGUID: rJazsqTaS1itOhxC7PdPSg== X-CSE-MsgGUID: 1uwSyZESTDKGSXLXw+5+JA== X-IronPort-AV: E=McAfee;i="6800,10657,11570"; a="79165577" X-IronPort-AV: E=Sophos;i="6.18,310,1751266800"; d="scan'208";a="79165577" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Oct 2025 16:04:47 -0700 X-CSE-ConnectionGUID: v7Rv0+vwSAqZX8RrQXAUXg== X-CSE-MsgGUID: Od8LteFySNKrdfz4KxRQLw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,310,1751266800"; d="scan'208";a="179566716" Received: from dut4351arlh.fm.intel.com ([10.105.10.106]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Oct 2025 16:04:46 -0700 From: Stuart Summers To: Cc: intel-xe@lists.freedesktop.org, Stuart Summers Subject: [PATCH 1/7] drm/xe: Add additional trace points for LRCs Date: Thu, 2 Oct 2025 23:04:38 +0000 Message-Id: <20251002230444.313505-2-stuart.summers@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251002230444.313505-1-stuart.summers@intel.com> References: <20251002230444.313505-1-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 47e9df775072..4c54f24b7a8f 100644 --- a/drivers/gpu/drm/xe/xe_lrc.c +++ b/drivers/gpu/drm/xe/xe_lrc.c @@ -1569,6 +1569,8 @@ 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; } @@ -1583,6 +1585,8 @@ 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 188565465779..8deb43b86f19 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; @@ -59,6 +60,7 @@ 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; } @@ -71,6 +73,7 @@ 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