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GET /api/patches/123494/?format=api
{ "id": 123494, "url": "https://patches.dpdk.org/api/patches/123494/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20230209023203.35269-2-fengchengwen@huawei.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": "<20230209023203.35269-2-fengchengwen@huawei.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20230209023203.35269-2-fengchengwen@huawei.com", "date": "2023-02-09T02:32:02", "name": "[v5,1/2] dmadev: support stats reset telemetry command", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b4b7483d68e8570f4fe1fdcc81e35fcd5b4d8fdf", "submitter": { "id": 2146, "url": "https://patches.dpdk.org/api/people/2146/?format=api", "name": "fengchengwen", "email": "fengchengwen@huawei.com" }, "delegate": { "id": 1, "url": "https://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20230209023203.35269-2-fengchengwen@huawei.com/mbox/", "series": [ { "id": 26903, "url": "https://patches.dpdk.org/api/series/26903/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=26903", "date": "2023-02-09T02:32:01", "name": "support dmadev/ethdev stats reset", "version": 5, "mbox": "https://patches.dpdk.org/series/26903/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/123494/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/123494/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 mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 4AC7A41C45;\n\tThu, 9 Feb 2023 03:38:12 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 397314161A;\n\tThu, 9 Feb 2023 03:38:08 +0100 (CET)", "from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188])\n by mails.dpdk.org (Postfix) with ESMTP id 42A6740DDA\n for <dev@dpdk.org>; Thu, 9 Feb 2023 03:38:06 +0100 (CET)", "from dggpeml500024.china.huawei.com (unknown [172.30.72.56])\n by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4PC1Fy2ZjnzJsN1;\n Thu, 9 Feb 2023 10:36:22 +0800 (CST)", "from localhost.localdomain (10.50.163.32) by\n dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server\n (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id\n 15.1.2375.34; Thu, 9 Feb 2023 10:38:04 +0800" ], "From": "Chengwen Feng <fengchengwen@huawei.com>", "To": "<thomas@monjalon.net>, <ferruh.yigit@amd.com>,\n <andrew.rybchenko@oktetlabs.ru>", "CC": "<dev@dpdk.org>, <ciara.power@intel.com>, <kevin.laatz@intel.com>,\n <bruce.richardson@intel.com>", "Subject": "[PATCH v5 1/2] dmadev: support stats reset telemetry command", "Date": "Thu, 9 Feb 2023 02:32:02 +0000", "Message-ID": "<20230209023203.35269-2-fengchengwen@huawei.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20230209023203.35269-1-fengchengwen@huawei.com>", "References": "<20221219090723.29356-1-fengchengwen@huawei.com>\n <20230209023203.35269-1-fengchengwen@huawei.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[10.50.163.32]", "X-ClientProxiedBy": "dggems704-chm.china.huawei.com (10.3.19.181) To\n dggpeml500024.china.huawei.com (7.185.36.10)", "X-CFilter-Loop": "Reflected", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "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" }, "content": "The stats reset is useful for debugging, so add it to the dmadev\ntelemetry command lists.\n\nSigned-off-by: Chengwen Feng <fengchengwen@huawei.com>\nReviewed-by: Bruce Richardson <bruce.richardson@intel.com>\n---\n lib/dmadev/rte_dmadev.c | 47 +++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 47 insertions(+)", "diff": "diff --git a/lib/dmadev/rte_dmadev.c b/lib/dmadev/rte_dmadev.c\nindex 8c095e1f35..acd4cc9750 100644\n--- a/lib/dmadev/rte_dmadev.c\n+++ b/lib/dmadev/rte_dmadev.c\n@@ -994,6 +994,51 @@ dmadev_handle_dev_stats(const char *cmd __rte_unused,\n \treturn 0;\n }\n \n+static int\n+dmadev_handle_dev_stats_reset(const char *cmd __rte_unused,\n+\t\tconst char *params,\n+\t\tstruct rte_tel_data *d)\n+{\n+\tstruct rte_dma_info dma_info;\n+\tint dev_id, ret, vchan_id;\n+\tconst char *vchan_param;\n+\tchar *end_param;\n+\n+\tif (params == NULL || strlen(params) == 0 || !isdigit(*params))\n+\t\treturn -EINVAL;\n+\n+\tdev_id = strtoul(params, &end_param, 0);\n+\n+\t/* Function info_get validates dev_id so we don't need to. */\n+\tret = rte_dma_info_get(dev_id, &dma_info);\n+\tif (ret < 0)\n+\t\treturn -EINVAL;\n+\n+\t/* If the device has one vchan the user does not need to supply the\n+\t * vchan id and only the device id is needed, no extra parameters.\n+\t */\n+\tif (dma_info.nb_vchans == 1 && *end_param == '\\0') {\n+\t\tvchan_id = 0;\n+\t} else {\n+\t\tvchan_param = strtok(end_param, \",\");\n+\t\tif (vchan_param == NULL || strlen(vchan_param) == 0 || !isdigit(*vchan_param))\n+\t\t\treturn -EINVAL;\n+\t\tvchan_id = strtoul(vchan_param, &end_param, 0);\n+\t}\n+\tif (*end_param != '\\0')\n+\t\tRTE_DMA_LOG(WARNING, \"Extra parameters passed to dmadev telemetry command, ignoring\");\n+\n+\tret = rte_dma_stats_reset(dev_id, vchan_id);\n+\tif (ret == 0) {\n+\t\trte_tel_data_string(d, \"success\");\n+\t\tRTE_DMA_LOG(NOTICE, \"Device %d reset stats success\", dev_id);\n+\t} else {\n+\t\tRTE_DMA_LOG(ERR, \"Device %d reset stats failed! ret: %d\", dev_id, ret);\n+\t}\n+\n+\treturn ret;\n+}\n+\n #ifndef RTE_EXEC_ENV_WINDOWS\n static int\n dmadev_handle_dev_dump(const char *cmd __rte_unused,\n@@ -1041,6 +1086,8 @@ RTE_INIT(dmadev_init_telemetry)\n \t\t\t\"Returns information for a dmadev. Parameters: int dev_id\");\n \trte_telemetry_register_cmd(\"/dmadev/stats\", dmadev_handle_dev_stats,\n \t\t\t\"Returns the stats for a dmadev vchannel. Parameters: int dev_id, vchan_id (Optional if only one vchannel)\");\n+\trte_telemetry_register_cmd(\"/dmadev/stats_reset\", dmadev_handle_dev_stats_reset,\n+\t\t\t\"Reset the stats for a dmadev vchannel. Parameters: int dev_id, vchan_id (Optional if only one vchannel)\");\n #ifndef RTE_EXEC_ENV_WINDOWS\n \trte_telemetry_register_cmd(\"/dmadev/dump\", dmadev_handle_dev_dump,\n \t\t\t\"Returns dump information for a dmadev. Parameters: int dev_id\");\n", "prefixes": [ "v5", "1/2" ] }