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GET /api/patches/69131/?format=api
{ "id": 69131, "url": "https://patches.dpdk.org/api/patches/69131/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20200422190349.3768487-12-jerinj@marvell.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20200422190349.3768487-12-jerinj@marvell.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20200422190349.3768487-12-jerinj@marvell.com", "date": "2020-04-22T19:03:28", "name": "[v7,11/32] eal/trace: implement trace save", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "e52663167637f9b984926c913ccda56aa274d8d5", "submitter": { "id": 1188, "url": "https://patches.dpdk.org/api/people/1188/?format=api", "name": "Jerin Jacob Kollanukkaran", "email": "jerinj@marvell.com" }, "delegate": { "id": 24651, "url": "https://patches.dpdk.org/api/users/24651/?format=api", "username": "dmarchand", "first_name": "David", "last_name": "Marchand", "email": "david.marchand@redhat.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20200422190349.3768487-12-jerinj@marvell.com/mbox/", "series": [ { "id": 9574, "url": "https://patches.dpdk.org/api/series/9574/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=9574", "date": "2020-04-22T19:03:17", "name": "DPDK Trace support", "version": 7, "mbox": "https://patches.dpdk.org/series/9574/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/69131/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/69131/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 5E114A00C2;\n\tWed, 22 Apr 2020 21:05:53 +0200 (CEST)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 516B21D5E7;\n\tWed, 22 Apr 2020 21:04:54 +0200 (CEST)", "from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com\n [67.231.156.173]) by dpdk.org (Postfix) with ESMTP id 4F30A1D5A2\n for <dev@dpdk.org>; Wed, 22 Apr 2020 21:04:37 +0200 (CEST)", "from pps.filterd (m0045851.ppops.net [127.0.0.1])\n by mx0b-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id\n 03MJ1blJ005895; Wed, 22 Apr 2020 12:04:36 -0700", "from sc-exch02.marvell.com ([199.233.58.182])\n by mx0b-0016f401.pphosted.com with ESMTP id 30jd013jfw-2\n (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT);\n Wed, 22 Apr 2020 12:04:36 -0700", "from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH02.marvell.com\n (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1497.2;\n Wed, 22 Apr 2020 12:04:34 -0700", "from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com\n (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend\n Transport; Wed, 22 Apr 2020 12:04:34 -0700", "from jerin-lab.marvell.com (jerin-lab.marvell.com [10.28.34.14])\n by maili.marvell.com (Postfix) with ESMTP id 2FE6C3F703F;\n Wed, 22 Apr 2020 12:04:31 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com;\n h=from : to : cc :\n subject : date : message-id : in-reply-to : references : mime-version :\n content-transfer-encoding : content-type; s=pfpt0818;\n bh=YEov/QC6OTR5tjgWP9qOOnQ/vG+Wh/Bg3e0ICElOj/w=;\n b=lRlbUUFX05Ybz/AzYdL5Pzcm1FN/GrjAyKX25VIYz/yPg0+VL8bnYMG2em9fz15s8alR\n DSQ8l41FlJ3ND1NVDdiP5tzFNpmr/HyE/zbD8hT7AgcsdF6tzFhyrkL95PHxfN4cn1xK\n iMNCqEWUqqbkVRFYszU1M1IblnY4jHhMdgKz5rUh0jfRkQ1xAZ2dvFcO3+AVD8A9wjZa\n 6cs2lWm/FUhO/daYVBjrfk9RhcbfumIf5f0rSqpbDZy916aRHPtzrq5+cTdydDA7Foq5\n c0Huho6K7THO+m3M8giTO7F7oTP3ylrWYwY/DHhoEoabzFmkrzcESHWqacGXFZgZ3z36 cA==", "From": "<jerinj@marvell.com>", "To": "Jerin Jacob <jerinj@marvell.com>, Sunil Kumar Kori <skori@marvell.com>", "CC": "<dev@dpdk.org>, <thomas@monjalon.net>, <bruce.richardson@intel.com>,\n <david.marchand@redhat.com>, <mattias.ronnblom@ericsson.com>", "Date": "Thu, 23 Apr 2020 00:33:28 +0530", "Message-ID": "<20200422190349.3768487-12-jerinj@marvell.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20200422190349.3768487-1-jerinj@marvell.com>", "References": "<20200419100133.3232316-1-jerinj@marvell.com>\n <20200422190349.3768487-1-jerinj@marvell.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10434:6.0.138, 18.0.676\n definitions=2020-04-22_06:2020-04-22,\n 2020-04-22 signatures=0", "Subject": "[dpdk-dev] [PATCH v7 11/32] eal/trace: implement trace save", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "From: Jerin Jacob <jerinj@marvell.com>\n\nImplement rte_trace_save(), which will save the metadata\nfile and trace memory snapshot to the trace directory.\n\nSigned-off-by: Jerin Jacob <jerinj@marvell.com>\n---\n .../common/eal_common_trace_utils.c | 80 +++++++++++++++++++\n lib/librte_eal/rte_eal_version.map | 1 +\n 2 files changed, 81 insertions(+)", "diff": "diff --git a/lib/librte_eal/common/eal_common_trace_utils.c b/lib/librte_eal/common/eal_common_trace_utils.c\nindex de8d43661..bbe099473 100644\n--- a/lib/librte_eal/common/eal_common_trace_utils.c\n+++ b/lib/librte_eal/common/eal_common_trace_utils.c\n@@ -213,3 +213,83 @@ trace_mkdir(void)\n \treturn 0;\n }\n \n+static int\n+trace_meta_save(struct trace *trace)\n+{\n+\tchar file_name[PATH_MAX];\n+\tFILE *f;\n+\tint rc;\n+\n+\trc = snprintf(file_name, PATH_MAX, \"%s/metadata\", trace->dir);\n+\tif (rc < 0)\n+\t\treturn rc;\n+\n+\tf = fopen(file_name, \"w\");\n+\tif (f == NULL)\n+\t\treturn -errno;\n+\n+\trc = rte_trace_metadata_dump(f);\n+\n+\tif (fclose(f))\n+\t\trc = -errno;\n+\n+\treturn rc;\n+}\n+\n+\n+static inline int\n+trace_file_sz(struct __rte_trace_header *hdr)\n+{\n+\treturn sizeof(struct __rte_trace_stream_header) + hdr->offset;\n+}\n+\n+static int\n+trace_mem_save(struct trace *trace, struct __rte_trace_header *hdr,\n+\t uint32_t cnt)\n+{\n+\tchar file_name[PATH_MAX];\n+\tFILE *f;\n+\tint rc;\n+\n+\trc = snprintf(file_name, PATH_MAX, \"%s/channel0_%d\", trace->dir, cnt);\n+\tif (rc < 0)\n+\t\treturn rc;\n+\n+\tf = fopen(file_name, \"w\");\n+\tif (f == NULL)\n+\t\treturn -errno;\n+\n+\trc = fwrite(&hdr->stream_header, trace_file_sz(hdr), 1, f);\n+\trc = (rc == 1) ? 0 : -EACCES;\n+\n+\tif (fclose(f))\n+\t\trc = -errno;\n+\n+\treturn rc;\n+}\n+\n+int\n+rte_trace_save(void)\n+{\n+\tstruct trace *trace = trace_obj_get();\n+\tstruct __rte_trace_header *header;\n+\tuint32_t count;\n+\tint rc = 0;\n+\n+\tif (trace->nb_trace_mem_list == 0)\n+\t\treturn rc;\n+\n+\trc = trace_meta_save(trace);\n+\tif (rc)\n+\t\treturn rc;\n+\n+\trte_spinlock_lock(&trace->lock);\n+\tfor (count = 0; count < trace->nb_trace_mem_list; count++) {\n+\t\theader = trace->lcore_meta[count].mem;\n+\t\trc = trace_mem_save(trace, header, count);\n+\t\tif (rc)\n+\t\t\tbreak;\n+\t}\n+\trte_spinlock_unlock(&trace->lock);\n+\treturn rc;\n+}\ndiff --git a/lib/librte_eal/rte_eal_version.map b/lib/librte_eal/rte_eal_version.map\nindex 7bda1704c..b4b3a92e5 100644\n--- a/lib/librte_eal/rte_eal_version.map\n+++ b/lib/librte_eal/rte_eal_version.map\n@@ -354,4 +354,5 @@ EXPERIMENTAL {\n \trte_trace_point_is_enabled;\n \trte_trace_point_lookup;\n \trte_trace_regexp;\n+\trte_trace_save;\n };\n", "prefixes": [ "v7", "11/32" ] }