From patchwork Tue Sep 13 07:13:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: fengchengwen X-Patchwork-Id: 116236 X-Patchwork-Delegate: david.marchand@redhat.com Return-Path: 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]) by inbox.dpdk.org (Postfix) with ESMTP id 4D4F8A00C3; Tue, 13 Sep 2022 09:20:05 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E0994427F7; Tue, 13 Sep 2022 09:19:56 +0200 (CEST) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id 4A1324021D for ; Tue, 13 Sep 2022 09:19:53 +0200 (CEST) Received: from dggpeml500024.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MRZVX4FcQzNm9n; Tue, 13 Sep 2022 15:15:16 +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 15.1.2375.31; Tue, 13 Sep 2022 15:19:51 +0800 From: Chengwen Feng To: , , , , , , , , CC: Subject: [PATCH v4 1/4] dmadev: support telemetry dump dmadev Date: Tue, 13 Sep 2022 07:13:41 +0000 Message-ID: <20220913071344.38612-2-fengchengwen@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220913071344.38612-1-fengchengwen@huawei.com> References: <20220615073915.14041-1-fengchengwen@huawei.com> <20220913071344.38612-1-fengchengwen@huawei.com> MIME-Version: 1.0 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 Acked-by: Morten Brørup --- lib/dmadev/rte_dmadev.c | 43 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/lib/dmadev/rte_dmadev.c b/lib/dmadev/rte_dmadev.c index 174d4c40ae..ea1cb815b4 100644 --- a/lib/dmadev/rte_dmadev.c +++ b/lib/dmadev/rte_dmadev.c @@ -985,6 +985,45 @@ dmadev_handle_dev_stats(const char *cmd __rte_unused, return 0; } +#ifndef RTE_EXEC_ENV_WINDOWS +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; +} +#endif /* !RTE_EXEC_ENV_WINDOWS */ + RTE_INIT(dmadev_init_telemetry) { rte_telemetry_register_cmd("/dmadev/list", dmadev_handle_dev_list, @@ -993,4 +1032,8 @@ 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)"); +#ifndef RTE_EXEC_ENV_WINDOWS + rte_telemetry_register_cmd("/dmadev/dump", dmadev_handle_dev_dump, + "Returns dump information for a dmadev. Parameters: int dev_id"); +#endif }