From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-44.mimecast.com (us-smtp-delivery-44.mimecast.com [207.211.30.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A86E9255247 for ; Mon, 12 May 2025 06:21:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=207.211.30.44 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747030864; cv=none; b=q1AdWMUfPcXA+sf990McULFWFh3WHIv3i4nJqGPPlsP22/i22ENalYJZAWORInf+F39Az+spkHud6WWYJ52qEsU2NlaLFULCg+0mWkEWdTOCq4zn/Q6WWwWzi5SnIDQs0WPCPrRCd3klx0JP3pb2sVtbczZcONbAxu2DoZ+goEI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747030864; c=relaxed/simple; bh=0nc0DGlGt8hogm/IujDfwDuE1GyXg7sqe/v3O2OIW4o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:content-type; b=AAsyHXmUqxJxHTJhu51FRW9+PlqfNKtA7nvAkrkbI7mh7ZGZAFgWFQxROgabLjHzy6bO/LiV3InFD77Js5Mlmfc1/BKVQQffXOl0roix6uhtu0aQ1OTLusTqvlS776geV0u86IjQwegMBfipuydNXRYGfA+TNxQraE0Y2PjMYaQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com; spf=fail smtp.mailfrom=gmail.com; arc=none smtp.client-ip=207.211.30.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=gmail.com Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-192-vO3dQ7QiPH6D3fSX-D8sZA-1; Mon, 12 May 2025 02:19:30 -0400 X-MC-Unique: vO3dQ7QiPH6D3fSX-D8sZA-1 X-Mimecast-MFC-AGG-ID: vO3dQ7QiPH6D3fSX-D8sZA_1747030769 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id B70FB180045B; Mon, 12 May 2025 06:19:28 +0000 (UTC) Received: from dreadlord.redhat.com (unknown [10.64.136.70]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id ACD7119560B9; Mon, 12 May 2025 06:19:23 +0000 (UTC) From: Dave Airlie To: dri-devel@lists.freedesktop.org, tj@kernel.org, christian.koenig@amd.com, Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Muchun Song Cc: cgroups@vger.kernel.org, Waiman Long , simona@ffwll.ch Subject: [PATCH 1/7] mm: add gpu active/reclaim per-node stat counters Date: Mon, 12 May 2025 16:12:07 +1000 Message-ID: <20250512061913.3522902-2-airlied@gmail.com> In-Reply-To: <20250512061913.3522902-1-airlied@gmail.com> References: <20250512061913.3522902-1-airlied@gmail.com> Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: ktduILwUaeBtgKa3MXu2e2Q5qEYlh-9Ze4HBqsL_pbQ_1747030769 X-Mimecast-Originator: gmail.com Content-Transfer-Encoding: quoted-printable content-type: text/plain; charset=WINDOWS-1252; x-default=true From: Dave Airlie These will be used to track pages actively allocated to the GPU, and unused pages in pools that can be reclaimed by the shrinker. Signed-off-by: Dave Airlie --- Documentation/filesystems/proc.rst | 6 ++++++ drivers/base/node.c | 5 +++++ fs/proc/meminfo.c | 6 ++++++ include/linux/mmzone.h | 2 ++ mm/show_mem.c | 9 +++++++-- mm/vmstat.c | 2 ++ 6 files changed, 28 insertions(+), 2 deletions(-) diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems= /proc.rst index 2a17865dfe39..224b0568cf99 100644 --- a/Documentation/filesystems/proc.rst +++ b/Documentation/filesystems/proc.rst @@ -1093,6 +1093,8 @@ Example output. You may not have all of these fields. CmaFree: 0 kB Unaccepted: 0 kB Balloon: 0 kB + GPUActive: 0 kB + GPUReclaim: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 @@ -1271,6 +1273,10 @@ Unaccepted Memory that has not been accepted by the guest Balloon Memory returned to Host by VM Balloon Drivers +GPUActive + Memory allocated to GPU objects +GPUReclaim + Memory in GPU allocator pools that is reclaimable HugePages_Total, HugePages_Free, HugePages_Rsvd, HugePages_Surp, Hugepages= ize, Hugetlb See Documentation/admin-guide/mm/hugetlbpage.rst. DirectMap4k, DirectMap2M, DirectMap1G diff --git a/drivers/base/node.c b/drivers/base/node.c index cd13ef287011..669b1e1968a2 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -454,6 +454,8 @@ static ssize_t node_read_meminfo(struct device *dev, #ifdef CONFIG_UNACCEPTED_MEMORY =09=09=09 "Node %d Unaccepted: %8lu kB\n" #endif +=09=09=09 "Node %d GPUActive: %8lu kB\n" +=09=09=09 "Node %d GPUReclaim: %8lu kB\n" =09=09=09 , =09=09=09 nid, K(node_page_state(pgdat, NR_FILE_DIRTY)), =09=09=09 nid, K(node_page_state(pgdat, NR_WRITEBACK)), @@ -487,6 +489,9 @@ static ssize_t node_read_meminfo(struct device *dev, =09=09=09 , =09=09=09 nid, K(sum_zone_node_page_state(nid, NR_UNACCEPTED)) #endif +=09=09=09 , +=09=09=09 nid, K(node_page_state(pgdat, NR_GPU_ACTIVE)), +=09=09=09 nid, K(node_page_state(pgdat, NR_GPU_RECLAIM)) =09=09=09 ); =09len +=3D hugetlb_report_node_meminfo(buf, len, nid); =09return len; diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c index 83be312159c9..baf537044115 100644 --- a/fs/proc/meminfo.c +++ b/fs/proc/meminfo.c @@ -165,6 +165,12 @@ static int meminfo_proc_show(struct seq_file *m, void = *v) =09show_val_kb(m, "Balloon: ", =09=09 global_node_page_state(NR_BALLOON_PAGES)); =20 +=09show_val_kb(m, "GPUActive: ", +=09=09 global_node_page_state(NR_GPU_ACTIVE)); + +=09show_val_kb(m, "GPUReclaim: ", +=09=09 global_node_page_state(NR_GPU_RECLAIM)); + =09hugetlb_report_meminfo(m); =20 =09arch_report_meminfo(m); diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 6ccec1bf2896..ddc1b9b2a5e3 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -226,6 +226,8 @@ enum node_stat_item { =09NR_HUGETLB, #endif =09NR_BALLOON_PAGES, +=09NR_GPU_ACTIVE, /* GPU pages assigned to an object */ +=09NR_GPU_RECLAIM, /* GPU pages in shrinkable pool */ =09NR_VM_NODE_STAT_ITEMS }; =20 diff --git a/mm/show_mem.c b/mm/show_mem.c index 6af13bcd2ab3..fe8cd06a9143 100644 --- a/mm/show_mem.c +++ b/mm/show_mem.c @@ -261,7 +261,9 @@ static void show_free_areas(unsigned int filter, nodema= sk_t *nodemask, int max_z =09=09=09" sec_pagetables:%lukB" =09=09=09" all_unreclaimable? %s" =09=09=09" Balloon:%lukB" -=09=09=09"\n", +=09=09 " gpu_active:%lukB" +=09=09 " gpu_reclaim:%lukB" +=09=09 "\n", =09=09=09pgdat->node_id, =09=09=09K(node_page_state(pgdat, NR_ACTIVE_ANON)), =09=09=09K(node_page_state(pgdat, NR_INACTIVE_ANON)), @@ -287,7 +289,10 @@ static void show_free_areas(unsigned int filter, nodem= ask_t *nodemask, int max_z =09=09=09K(node_page_state(pgdat, NR_PAGETABLE)), =09=09=09K(node_page_state(pgdat, NR_SECONDARY_PAGETABLE)), =09=09=09str_yes_no(pgdat->kswapd_failures >=3D MAX_RECLAIM_RETRIES), -=09=09=09K(node_page_state(pgdat, NR_BALLOON_PAGES))); +=09=09 K(node_page_state(pgdat, NR_BALLOON_PAGES)), +=09=09 K(node_page_state(pgdat, NR_GPU_ACTIVE)), +=09=09=09K(node_page_state(pgdat, NR_GPU_RECLAIM))); + =09} =20 =09for_each_populated_zone(zone) { diff --git a/mm/vmstat.c b/mm/vmstat.c index 4c268ce39ff2..52bec6522220 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1282,6 +1282,8 @@ const char * const vmstat_text[] =3D { =09"nr_hugetlb", #endif =09"nr_balloon_pages", +=09"nr_gpu_active", +=09"nr_gpu_reclaim", =09/* system-wide enum vm_stat_item counters */ =09"nr_dirty_threshold", =09"nr_dirty_background_threshold", --=20 2.49.0