From nobody Sat Feb 7 17:20:00 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0D74EB64D9 for ; Wed, 12 Jul 2023 11:49:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233398AbjGLLt0 (ORCPT ); Wed, 12 Jul 2023 07:49:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37394 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233395AbjGLLtB (ORCPT ); Wed, 12 Jul 2023 07:49:01 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B80391FEC; Wed, 12 Jul 2023 04:48:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689162495; x=1720698495; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=XfUgp3jiW7e0qUQq7cL+ROu1HZblCNZEW5a5U/4B3Zw=; b=AtNUt514oaV7Qkjp45zIJ9ZxGUYeESbbIfJxx6VZVyFE8UuFPRuRXXxo 80F7iwxm2/FaIgIktUQ5VE9c4ewSa9ngZk2MkRh4fXFDm/a7Rp93UKdsf 0W9k5eMkqtl6HrU6hRYpX6AzE0NqlZGD8CcrrqMp3HM3PjApBkN0p2xmX J7/RaBd8shLNjc0Nic7aPF2PQI62w6bphs6px4tticFKf2YDxcQ4PORaP jEhUCCOtzUvmjELlYl4iTD5zXmb9TGThYwXFAdwXn8TdykGfu+2rGN3LT StHw28nwuo7OkME6yJoHFXOeACi+/tD7XEZPtP238dQ2U6/DbKqr0695N w==; X-IronPort-AV: E=McAfee;i="6600,9927,10768"; a="344469145" X-IronPort-AV: E=Sophos;i="6.01,199,1684825200"; d="scan'208";a="344469145" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jul 2023 04:46:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10768"; a="866094096" X-IronPort-AV: E=Sophos;i="6.01,199,1684825200"; d="scan'208";a="866094096" Received: from eamonnob-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.213.237.202]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jul 2023 04:46:31 -0700 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Tejun Heo , Johannes Weiner , Zefan Li , Dave Airlie , Daniel Vetter , Rob Clark , =?UTF-8?q?St=C3=A9phane=20Marchesin?= , "T . J . Mercier" , Kenny.Ho@amd.com, =?UTF-8?q?Christian=20K=C3=B6nig?= , Brian Welty , Tvrtko Ursulin , Aravind Iddamsetty , Rob Clark Subject: [PATCH 05/17] drm/i915: Implement fdinfo memory stats printing Date: Wed, 12 Jul 2023 12:45:53 +0100 Message-Id: <20230712114605.519432-6-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230712114605.519432-1-tvrtko.ursulin@linux.intel.com> References: <20230712114605.519432-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Tvrtko Ursulin Use the newly added drm_print_memory_stats helper to show memory utilisation of our objects in drm/driver specific fdinfo output. To collect the stats we walk the per memory regions object lists and accumulate object size into the respective drm_memory_stats categories. Objects with multiple possible placements are reported in multiple regions for total and shared sizes, while other categories are counted only for the currently active region. Signed-off-by: Tvrtko Ursulin Cc: Aravind Iddamsetty Cc: Rob Clark --- drivers/gpu/drm/i915/i915_drm_client.c | 85 ++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drm_client.c b/drivers/gpu/drm/i915/= i915_drm_client.c index a61356012df8..9e7a6075ee25 100644 --- a/drivers/gpu/drm/i915/i915_drm_client.c +++ b/drivers/gpu/drm/i915/i915_drm_client.c @@ -45,6 +45,89 @@ void __i915_drm_client_free(struct kref *kref) } =20 #ifdef CONFIG_PROC_FS +static void +obj_meminfo(struct drm_i915_gem_object *obj, + struct drm_memory_stats stats[INTEL_REGION_UNKNOWN]) +{ + struct intel_memory_region *mr; + u64 sz =3D obj->base.size; + enum intel_region_id id; + unsigned int i; + + /* Attribute size and shared to all possible memory regions. */ + for (i =3D 0; i < obj->mm.n_placements; i++) { + mr =3D obj->mm.placements[i]; + id =3D mr->id; + + if (obj->base.handle_count > 1) + stats[id].shared +=3D sz; + else + stats[id].private +=3D sz; + } + + /* Attribute other categories to only the current region. */ + mr =3D obj->mm.region; + if (mr) + id =3D mr->id; + else + id =3D INTEL_REGION_SMEM; + + if (!obj->mm.n_placements) { + if (obj->base.handle_count > 1) + stats[id].shared +=3D sz; + else + stats[id].private +=3D sz; + } + + if (i915_gem_object_has_pages(obj)) { + stats[id].resident +=3D sz; + + if (!dma_resv_test_signaled(obj->base.resv, + dma_resv_usage_rw(true))) + stats[id].active +=3D sz; + else if (i915_gem_object_is_shrinkable(obj) && + obj->mm.madv =3D=3D I915_MADV_DONTNEED) + stats[id].purgeable +=3D sz; + } +} + +static void show_meminfo(struct drm_printer *p, struct drm_file *file) +{ + struct drm_memory_stats stats[INTEL_REGION_UNKNOWN] =3D {}; + struct drm_i915_file_private *fpriv =3D file->driver_priv; + struct i915_drm_client *client =3D fpriv->client; + struct drm_i915_private *i915 =3D fpriv->i915; + struct drm_i915_gem_object *obj; + struct intel_memory_region *mr; + struct list_head *pos; + unsigned int id; + + /* Public objects. */ + spin_lock(&file->table_lock); + idr_for_each_entry(&file->object_idr, obj, id) + obj_meminfo(obj, stats); + spin_unlock(&file->table_lock); + + /* Internal objects. */ + rcu_read_lock(); + list_for_each_rcu(pos, &client->objects_list) { + obj =3D i915_gem_object_get_rcu(list_entry(pos, typeof(*obj), + client_link)); + if (!obj) + continue; + obj_meminfo(obj, stats); + i915_gem_object_put(obj); + } + rcu_read_unlock(); + + for_each_memory_region(mr, i915, id) + drm_print_memory_stats(p, + &stats[id], + DRM_GEM_OBJECT_RESIDENT | + DRM_GEM_OBJECT_PURGEABLE, + mr->name); +} + static const char * const uabi_class_names[] =3D { [I915_ENGINE_CLASS_RENDER] =3D "render", [I915_ENGINE_CLASS_COPY] =3D "copy", @@ -106,6 +189,8 @@ void i915_drm_client_fdinfo(struct drm_printer *p, stru= ct drm_file *file) * ****************************************************************** */ =20 + show_meminfo(p, file); + if (GRAPHICS_VER(i915) < 8) return; =20 --=20 2.39.2