From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 54144A0548; Wed, 15 Jun 2022 09:45:46 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6565241145; Wed, 15 Jun 2022 09:45:42 +0200 (CEST) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by mails.dpdk.org (Postfix) with ESMTP id 9D45440221 for ; Wed, 15 Jun 2022 09:45:40 +0200 (CEST) Received: from dggpeml500024.china.huawei.com (unknown [172.30.72.56]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4LNHQc4MfMzDrLC; Wed, 15 Jun 2022 15:45:12 +0800 (CST) Received: from localhost.localdomain (10.67.165.24) by dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 15 Jun 2022 15:45:38 +0800 From: Chengwen Feng To: , , , , , , , CC: Subject: [PATCH 2/5] dmadev: support telemetry dump dmadev Date: Wed, 15 Jun 2022 15:39:12 +0800 Message-ID: <20220615073915.14041-3-fengchengwen@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220615073915.14041-1-fengchengwen@huawei.com> References: <20220615073915.14041-1-fengchengwen@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org This patch supports telemetry dump dmadev. Signed-off-by: Chengwen Feng --- lib/dmadev/rte_dmadev.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/lib/dmadev/rte_dmadev.c b/lib/dmadev/rte_dmadev.c index 174d4c40ae..72c3989f60 100644 --- a/lib/dmadev/rte_dmadev.c +++ b/lib/dmadev/rte_dmadev.c @@ -985,6 +985,43 @@ dmadev_handle_dev_stats(const char *cmd __rte_unused, return 0; } +static int +dmadev_handle_dev_dump(const char *cmd __rte_unused, + const char *params, + struct rte_tel_data *d) +{ + char *buf, *end_param; + int dev_id, ret; + FILE *f; + + if (params == NULL || strlen(params) == 0 || !isdigit(*params)) + return -EINVAL; + + dev_id = strtoul(params, &end_param, 0); + if (*end_param != '\0') + RTE_DMA_LOG(WARNING, "Extra parameters passed to dmadev telemetry command, ignoring"); + + buf = calloc(sizeof(char), RTE_TEL_MAX_SINGLE_STRING_LEN); + if (buf == NULL) + return -ENOMEM; + + f = fmemopen(buf, RTE_TEL_MAX_SINGLE_STRING_LEN - 1, "w+"); + if (f == NULL) { + free(buf); + return -EINVAL; + } + + ret = rte_dma_dump(dev_id, f); + fclose(f); + if (ret == 0) { + rte_tel_data_start_dict(d); + rte_tel_data_string(d, buf); + } + + free(buf); + return ret; +} + RTE_INIT(dmadev_init_telemetry) { rte_telemetry_register_cmd("/dmadev/list", dmadev_handle_dev_list, @@ -993,4 +1030,6 @@ RTE_INIT(dmadev_init_telemetry) "Returns information for a dmadev. Parameters: int dev_id"); rte_telemetry_register_cmd("/dmadev/stats", dmadev_handle_dev_stats, "Returns the stats for a dmadev vchannel. Parameters: int dev_id, vchan_id (Optional if only one vchannel)"); + rte_telemetry_register_cmd("/dmadev/dump", dmadev_handle_dev_dump, + "Returns dump information for a dmadev. Parameters: int dev_id"); } -- 2.33.0