From patchwork Thu Jun 8 14:51:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tvrtko Ursulin X-Patchwork-Id: 13272443 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 1CD4EC7EE23 for ; Thu, 8 Jun 2023 14:51:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4576F10E049; Thu, 8 Jun 2023 14:51:48 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 78C0510E075; Thu, 8 Jun 2023 14:51:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686235906; x=1717771906; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=N7+oi8pQA5+Hjou1TXgf7sxWFXX7y+i7BkA0ieJb+pQ=; b=U/g9FtqFzRzqQjBoxjezDau58dyNgrct56k3llIfsmGpcFUjR9IhPThX BAw4naPmZfQa7e8CcJ5TlZ45HGvbh0IoCQScP+3UdfD02zKW5tpwbfJJy VXdYGjAOZSHw62pUxM98dFSB/zAekK2dCibAnh46+cuxDZkrgMomF6vQp Ovvat4U8w2okmm64a8mMkoaLr9X1nbCCtjHqX3cBuKff++r4/XEewxE81 HCN0jWSKF/7KLGij9F3W4pDp10vkAJ2eol7PaITL/iFZGis5VuA6+x4Tv mmUL+o4YKl1TmOVtkEZYEp2K6vOHRlfeu4o4uN/jaVEUbYm3MUAN6PPyR g==; X-IronPort-AV: E=McAfee;i="6600,9927,10735"; a="336957592" X-IronPort-AV: E=Sophos;i="6.00,227,1681196400"; d="scan'208";a="336957592" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jun 2023 07:51:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10735"; a="704134511" X-IronPort-AV: E=Sophos;i="6.00,227,1681196400"; d="scan'208";a="704134511" Received: from rirwin-mobl3.ger.corp.intel.com (HELO localhost.localdomain) ([10.213.239.227]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jun 2023 07:51:40 -0700 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Thu, 8 Jun 2023 15:51:29 +0100 Message-Id: <20230608145133.1059554-2-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230608145133.1059554-1-tvrtko.ursulin@linux.intel.com> References: <20230608145133.1059554-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 1/5] drm/i915: Track buffer objects belonging to clients X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Tvrtko Ursulin In order to show per client memory usage lets start tracking which objects belong to which clients. We start with objects explicitly created by object creation UAPI and track it on a new per client lists, protected by a new per client lock. In order for 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_create.c | 32 ++++++++++++++-- drivers/gpu/drm/i915/gem/i915_gem_object.c | 6 +++ .../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 | 37 ++++++++++++++++++- drivers/gpu/drm/i915/i915_gem.c | 2 +- 6 files changed, 119 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_create.c b/drivers/gpu/drm/i915/gem/i915_gem_create.c index d24c0ce8805c..4f1957638207 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_create.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_create.c @@ -11,6 +11,7 @@ #include "gem/i915_gem_region.h" #include "pxp/intel_pxp.h" +#include "i915_drm_client.h" #include "i915_drv.h" #include "i915_gem_create.h" #include "i915_trace.h" @@ -164,6 +165,14 @@ __i915_gem_object_create_user(struct drm_i915_private *i915, u64 size, n_placements, 0); } +static void add_file_obj(struct drm_file *file, + struct drm_i915_gem_object *obj) +{ + struct drm_i915_file_private *fpriv = file->driver_priv; + + i915_drm_client_add_object(fpriv->client, obj); +} + int i915_gem_dumb_create(struct drm_file *file, struct drm_device *dev, @@ -174,6 +183,7 @@ i915_gem_dumb_create(struct drm_file *file, enum intel_memory_type mem_type; int cpp = DIV_ROUND_UP(args->bpp, 8); u32 format; + int ret; switch (cpp) { case 1: @@ -212,7 +222,12 @@ i915_gem_dumb_create(struct drm_file *file, if (IS_ERR(obj)) return PTR_ERR(obj); - return i915_gem_publish(obj, file, &args->size, &args->handle); + ret = i915_gem_publish(obj, file, &args->size, &args->handle); + + if (!ret) + add_file_obj(file, obj); + + return ret; } /** @@ -229,6 +244,7 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data, struct drm_i915_gem_create *args = data; struct drm_i915_gem_object *obj; struct intel_memory_region *mr; + int ret; mr = intel_memory_region_by_type(i915, INTEL_MEMORY_SYSTEM); @@ -236,7 +252,12 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data, if (IS_ERR(obj)) return PTR_ERR(obj); - return i915_gem_publish(obj, file, &args->size, &args->handle); + ret = i915_gem_publish(obj, file, &args->size, &args->handle); + + if (!ret) + add_file_obj(file, obj); + + return ret; } struct create_ext { @@ -494,5 +515,10 @@ i915_gem_create_ext_ioctl(struct drm_device *dev, void *data, obj->pat_set_by_user = true; } - return i915_gem_publish(obj, file, &args->size, &args->handle); + ret = i915_gem_publish(obj, file, &args->size, &args->handle); + + if (!ret) + add_file_obj(file, obj); + + return ret; } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index 97ac6fb37958..46de9b1b3f1d 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); @@ -441,6 +445,8 @@ static void i915_gem_free_object(struct drm_gem_object *gem_obj) GEM_BUG_ON(i915_gem_object_is_framebuffer(obj)); + i915_drm_client_remove_object(obj); + /* * Before we free the object, make sure any pure RCU-only * read-side critical sections are complete, e.g. 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..4cacca568375 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 + mutex_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)); + + mutex_lock(&client->objects_lock); + obj->client = i915_drm_client_get(client); + list_add_tail(&obj->client_link, &client->objects_list); + mutex_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; + + mutex_lock(&client->objects_lock); + list_del(&obj->client_link); + mutex_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..0db68b4d7a4f 100644 --- a/drivers/gpu/drm/i915/i915_drm_client.h +++ b/drivers/gpu/drm/i915/i915_drm_client.h @@ -8,10 +8,14 @@ #include #include +#include #include #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 +29,22 @@ 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 + */ + struct mutex 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 +65,25 @@ 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;