From patchwork Wed Dec 2 20:57:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Christensen X-Patchwork-Id: 84723 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id BB2F6A09DF; Wed, 2 Dec 2020 21:58:05 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 0A2A4C996; Wed, 2 Dec 2020 21:58:04 +0100 (CET) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by dpdk.org (Postfix) with ESMTP id C0F1FC956 for ; Wed, 2 Dec 2020 21:58:01 +0100 (CET) Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0B2Kv4rt028752; Wed, 2 Dec 2020 15:58:00 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=04cL4bNaZL7rxBZwz7VN5tYxD3Ht8SqaR65FOCp3w0Y=; b=LOW/7xzdds7OzKmCl6DBQE/aVczk5RNCLKkBNyHnAdIwHUxctJgrEeTNdziRFkO98N64 HkIp8tDt83DybEtwoDdP/TyTnKsDpBJj2EdeiC4tQ5cgeBFw2b5oOLVyLe7qHTvzWtX5 pXllcrK08pmyAOjho6YC2Z+qt+ybm59OMF0R6m5MxounrEL83f1rcf4DfVBOTGRk7EK7 kIfWrZ0Dm8R2JxagWCUuZsii2YSgEXXPR2Ix5W/6FuwQ48N7HcWRBLOI6KhheRYaSd5a nBqDWgxHz0RHbCfNnaOXTvVHQmOOsqwkwKovw5gGaB+m45fbxK3Bpl4+KY9DWMElOWnj 6g== Received: from ppma02wdc.us.ibm.com (aa.5b.37a9.ip4.static.sl-reverse.com [169.55.91.170]) by mx0b-001b2d01.pphosted.com with ESMTP id 356jdgr1d8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 02 Dec 2020 15:57:59 -0500 Received: from pps.filterd (ppma02wdc.us.ibm.com [127.0.0.1]) by ppma02wdc.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 0B2KuoxI009317; Wed, 2 Dec 2020 20:57:59 GMT Received: from b01cxnp23034.gho.pok.ibm.com (b01cxnp23034.gho.pok.ibm.com [9.57.198.29]) by ppma02wdc.us.ibm.com with ESMTP id 356cbejeqg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 02 Dec 2020 20:57:59 +0000 Received: from b01ledav001.gho.pok.ibm.com (b01ledav001.gho.pok.ibm.com [9.57.199.106]) by b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0B2Kvwfq65274276 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 2 Dec 2020 20:57:59 GMT Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id DAE6E28059; Wed, 2 Dec 2020 20:57:58 +0000 (GMT) Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CDFCB28058; Wed, 2 Dec 2020 20:57:58 +0000 (GMT) Received: from localhost.localdomain (unknown [9.114.224.51]) by b01ledav001.gho.pok.ibm.com (Postfix) with ESMTP; Wed, 2 Dec 2020 20:57:58 +0000 (GMT) From: David Christensen To: dev@dpdk.org, stephen@networkplumber.org Cc: David Christensen Date: Wed, 2 Dec 2020 12:57:56 -0800 Message-Id: <20201202205756.39577-1-drc@linux.vnet.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201202181959.13753-1-drc@linux.vnet.ibm.com> References: <20201202181959.13753-1-drc@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312, 18.0.737 definitions=2020-12-02_12:2020-11-30, 2020-12-02 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 priorityscore=1501 clxscore=1015 mlxlogscore=999 impostorscore=0 suspectscore=2 spamscore=0 mlxscore=0 bulkscore=0 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012020119 Subject: [dpdk-dev] [PATCH v2] usertools: show hugepages on POWER systems X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The IBM PowerNV systems include NUMA nodes that don't have associated CPUs or hugepage memory. Here is an example on an IBM AC922 system: $ lscpu ... NUMA node0 CPU(s): 0-63 NUMA node8 CPU(s): 64-127 NUMA node252 CPU(s): ... $ numastat -m ... Node 0 Node 8 Node 252 --------------- --------------- --------------- MemTotal 126763.19 130785.06 0.00 MemFree 119513.38 125294.44 0.00 MemUsed 7249.81 5490.62 0.00 ... HugePages_Total 4.00 1734.00 0.00 HugePages_Free 0.00 4.00 0.00 HugePages_Surp 4.00 1730.00 0.00 ... Modify dpdk-hugepages.py to test for the ../hugepages directory before attempting to parse the hugepage entries. Signed-off-by: David Christensen --- v2: - reduce indentation and use continue to skip non-existent paths --- usertools/dpdk-hugepages.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/usertools/dpdk-hugepages.py b/usertools/dpdk-hugepages.py index 1be100ca3..4b6401dc2 100755 --- a/usertools/dpdk-hugepages.py +++ b/usertools/dpdk-hugepages.py @@ -70,6 +70,8 @@ def show_numa_pages(): for numa_path in glob.glob('/sys/devices/system/node/node*'): node = numa_path[29:] # slice after /sys/devices/system/node/node path = numa_path + '/hugepages' + if not os.path.exists(path): + continue for hdir in os.listdir(path): pages = get_hugepages(path + '/' + hdir) if pages > 0: