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 4C18CA00C5; Mon, 19 Dec 2022 10:14:10 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 269C54114B; Mon, 19 Dec 2022 10:14:06 +0100 (CET) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by mails.dpdk.org (Postfix) with ESMTP id EE9AC40146 for ; Mon, 19 Dec 2022 10:14:03 +0100 (CET) Received: from dggpeml500024.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4NbDRk64FyzqT3V; Mon, 19 Dec 2022 17:09:38 +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 15.1.2375.34; Mon, 19 Dec 2022 17:14:01 +0800 From: Chengwen Feng To: , , CC: , , , Subject: [PATCH v5 1/5] dmadev: support stats reset telemetry command Date: Mon, 19 Dec 2022 09:07:19 +0000 Message-ID: <20221219090723.29356-2-fengchengwen@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221219090723.29356-1-fengchengwen@huawei.com> References: <20221219090723.29356-1-fengchengwen@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) 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 The stats reset is useful for debugging, so add it to the dmadev telemetry command lists. Signed-off-by: Chengwen Feng --- lib/dmadev/rte_dmadev.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/lib/dmadev/rte_dmadev.c b/lib/dmadev/rte_dmadev.c index 4da653eec7..93e15d4972 100644 --- a/lib/dmadev/rte_dmadev.c +++ b/lib/dmadev/rte_dmadev.c @@ -994,6 +994,44 @@ dmadev_handle_dev_stats(const char *cmd __rte_unused, return 0; } +static int +dmadev_handle_dev_stats_reset(const char *cmd __rte_unused, + const char *params, + struct rte_tel_data *d __rte_unused) +{ + struct rte_dma_info dma_info; + int dev_id, ret, vchan_id; + const char *vchan_param; + char *end_param; + + if (params == NULL || strlen(params) == 0 || !isdigit(*params)) + return -EINVAL; + + dev_id = strtoul(params, &end_param, 0); + + /* Function info_get validates dev_id so we don't need to. */ + ret = rte_dma_info_get(dev_id, &dma_info); + if (ret < 0) + return -EINVAL; + + /* If the device has one vchan the user does not need to supply the + * vchan id and only the device id is needed, no extra parameters. + */ + if (dma_info.nb_vchans == 1 && *end_param == '\0') + vchan_id = 0; + else { + vchan_param = strtok(end_param, ","); + if (!vchan_param || strlen(vchan_param) == 0 || !isdigit(*vchan_param)) + return -EINVAL; + + vchan_id = strtoul(vchan_param, &end_param, 0); + } + if (*end_param != '\0') + RTE_DMA_LOG(WARNING, "Extra parameters passed to dmadev telemetry command, ignoring"); + + return rte_dma_stats_reset(dev_id, vchan_id); +} + #ifndef RTE_EXEC_ENV_WINDOWS static int dmadev_handle_dev_dump(const char *cmd __rte_unused, @@ -1041,6 +1079,8 @@ 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)"); + rte_telemetry_register_cmd("/dmadev/stats_reset", dmadev_handle_dev_stats_reset, + "Reset 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"); -- 2.17.1