From patchwork Mon Jun 12 10:46:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tvrtko Ursulin X-Patchwork-Id: 13276273 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 5AA45C7EE25 for ; Mon, 12 Jun 2023 10:47:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CD1F310E1FA; Mon, 12 Jun 2023 10:47:13 +0000 (UTC) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5E21610E1F7; Mon, 12 Jun 2023 10:47:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686566829; x=1718102829; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2ELLOifTz+MEi4/R/5Xvp2vBiIpuLupHahGrlLCgCbY=; b=dK19mgn41jY+9ClC5nbvHlLshiqEJZYqVy58Rjum3tFJ+lkf1NVrVKLa rx3hDTdBWZwhsH/UtPZqKFFphGFFxaaZSOnO87+1RC2jSwY5cPXDks+VT 00kO2Kd7gHaUhTsTFRhslYIyz+lbBNxbceemO0XR0FJXzOfSSnyWGeF1j +eCamhIy1MFGApD4t0xlru96BNsXx6pLv5en1JL0PkJ7njR1ANbyOMsrf a6o6TkYIt6rLwsMFwxuVKmHQuMSqrpV1t2RGYNAX4DZCevy2vrrq36aEt RRoojM1fzePpovk+3lmz50p6wf/AmBr6vjWUrEmMs8OPqKJwRBipU4Ghy w==; X-IronPort-AV: E=McAfee;i="6600,9927,10738"; a="342693234" X-IronPort-AV: E=Sophos;i="6.00,236,1681196400"; d="scan'208";a="342693234" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jun 2023 03:47:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10738"; a="835439470" X-IronPort-AV: E=Sophos;i="6.00,236,1681196400"; d="scan'208";a="835439470" Received: from mcantwex-mobl.ger.corp.intel.com (HELO localhost.localdomain) ([10.213.224.167]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jun 2023 03:47:07 -0700 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH 1/5] drm/i915: Add ability for tracking buffer objects per client Date: Mon, 12 Jun 2023 11:46:54 +0100 Message-Id: <20230612104658.1386996-2-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230612104658.1386996-1-tvrtko.ursulin@linux.intel.com> References: <20230612104658.1386996-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tvrtko Ursulin Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Tvrtko Ursulin In order to show per client memory usage lets add some infrastructure which enables tracking buffer objects owned by clients. We add a per client list protected by a new per client lock and to support delayed destruction (post client exit) we make tracked objects hold references to the owning client. Signed-off-by: Tvrtko Ursulin --- drivers/gpu/drm/i915/gem/i915_gem_object.c | 5 +++ .../gpu/drm/i915/gem/i915_gem_object_types.h | 12 +++++++ drivers/gpu/drm/i915/i915_drm_client.c | 36 ++++++++++++++++++- drivers/gpu/drm/i915/i915_drm_client.h | 34 +++++++++++++++++- drivers/gpu/drm/i915/i915_gem.c | 2 +- 5 files changed, 86 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index 97ac6fb37958..d6961f6818f1 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c @@ -105,6 +105,10 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj, INIT_LIST_HEAD(&obj->mm.link); +#ifdef CONFIG_PROC_FS + INIT_LIST_HEAD(&obj->client_link); +#endif + INIT_LIST_HEAD(&obj->lut_list); spin_lock_init(&obj->lut_lock); @@ -410,6 +414,7 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915, } __i915_gem_object_pages_fini(obj); + i915_drm_client_remove_object(obj); __i915_gem_free_object(obj); /* But keep the pointer alive for RCU-protected lookups */ diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index e72c57716bee..8de2b91b3edf 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -300,6 +300,18 @@ struct drm_i915_gem_object { */ struct i915_address_space *shares_resv_from; +#ifdef CONFIG_PROC_FS + /** + * @client: @i915_drm_client which created the object + */ + struct i915_drm_client *client; + + /** + * @client_link: Link into @i915_drm_client.objects_list + */ + struct list_head client_link; +#endif + union { struct rcu_head rcu; struct llist_node freed; diff --git a/drivers/gpu/drm/i915/i915_drm_client.c b/drivers/gpu/drm/i915/i915_drm_client.c index 2a44b3876cb5..3c8d6a46a801 100644 --- a/drivers/gpu/drm/i915/i915_drm_client.c +++ b/drivers/gpu/drm/i915/i915_drm_client.c @@ -17,7 +17,8 @@ #include "i915_gem.h" #include "i915_utils.h" -struct i915_drm_client *i915_drm_client_alloc(void) +struct i915_drm_client * +i915_drm_client_alloc(struct drm_i915_file_private *fpriv) { struct i915_drm_client *client; @@ -28,6 +29,12 @@ struct i915_drm_client *i915_drm_client_alloc(void) kref_init(&client->kref); spin_lock_init(&client->ctx_lock); INIT_LIST_HEAD(&client->ctx_list); +#ifdef CONFIG_PROC_FS + spin_lock_init(&client->objects_lock); + INIT_LIST_HEAD(&client->objects_list); + + client->fpriv = fpriv; +#endif return client; } @@ -108,4 +115,31 @@ void i915_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file) for (i = 0; i < ARRAY_SIZE(uabi_class_names); i++) show_client_class(p, i915, file_priv->client, i); } + +void i915_drm_client_add_object(struct i915_drm_client *client, + struct drm_i915_gem_object *obj) +{ + GEM_WARN_ON(obj->client); + GEM_WARN_ON(!list_empty(&obj->client_link)); + + spin_lock(&client->objects_lock); + obj->client = i915_drm_client_get(client); + list_add_tail(&obj->client_link, &client->objects_list); + spin_unlock(&client->objects_lock); +} + +void i915_drm_client_remove_object(struct drm_i915_gem_object *obj) +{ + struct i915_drm_client *client = fetch_and_zero(&obj->client); + + /* Object may not be associated with a client. */ + if (!client || list_empty(&obj->client_link)) + return; + + spin_lock(&client->objects_lock); + list_del(&obj->client_link); + spin_unlock(&client->objects_lock); + + i915_drm_client_put(client); +} #endif diff --git a/drivers/gpu/drm/i915/i915_drm_client.h b/drivers/gpu/drm/i915/i915_drm_client.h index 4c18b99e10a4..5fc897ab1a6b 100644 --- a/drivers/gpu/drm/i915/i915_drm_client.h +++ b/drivers/gpu/drm/i915/i915_drm_client.h @@ -12,6 +12,9 @@ #include +#include "i915_file_private.h" +#include "gem/i915_gem_object_types.h" + #define I915_LAST_UABI_ENGINE_CLASS I915_ENGINE_CLASS_COMPUTE struct drm_file; @@ -25,6 +28,22 @@ struct i915_drm_client { spinlock_t ctx_lock; /* For add/remove from ctx_list. */ struct list_head ctx_list; /* List of contexts belonging to client. */ +#ifdef CONFIG_PROC_FS + struct drm_i915_file_private *fpriv; + + /** + * @objects_lock: lock protecting @objects_list + */ + spinlock_t objects_lock; + + /** + * @objects_list: list of objects created by this client + * + * Protected by @objects_lock. + */ + struct list_head objects_list; +#endif + /** * @past_runtime: Accumulation of pphwsp runtimes from closed contexts. */ @@ -45,10 +64,23 @@ static inline void i915_drm_client_put(struct i915_drm_client *client) kref_put(&client->kref, __i915_drm_client_free); } -struct i915_drm_client *i915_drm_client_alloc(void); +struct i915_drm_client *i915_drm_client_alloc(struct drm_i915_file_private *fpriv); #ifdef CONFIG_PROC_FS void i915_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file); + +void i915_drm_client_add_object(struct i915_drm_client *client, + struct drm_i915_gem_object *obj); +void i915_drm_client_remove_object(struct drm_i915_gem_object *obj); +#else +static inline void i915_drm_client_add_object(struct i915_drm_client *client, + struct drm_i915_gem_object *obj) +{ +} + +static inline void i915_drm_client_remove_object(struct drm_i915_gem_object *obj) +{ +} #endif #endif /* !__I915_DRM_CLIENT_H__ */ diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 1f65bb33dd21..7ae42f746cc2 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1325,7 +1325,7 @@ int i915_gem_open(struct drm_i915_private *i915, struct drm_file *file) if (!file_priv) goto err_alloc; - client = i915_drm_client_alloc(); + client = i915_drm_client_alloc(file_priv); if (!client) goto err_client;