From patchwork Tue Jan 31 02:28:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Hai X-Patchwork-Id: 122702 X-Patchwork-Delegate: thomas@monjalon.net 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 4222141B86; Tue, 31 Jan 2023 03:29:32 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1F06B4113C; Tue, 31 Jan 2023 03:29:29 +0100 (CET) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by mails.dpdk.org (Postfix) with ESMTP id 50D9C410E6 for ; Tue, 31 Jan 2023 03:29:26 +0100 (CET) Received: from kwepemi500020.china.huawei.com (unknown [172.30.72.54]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4P5TQw68FRzJqqp; Tue, 31 Jan 2023 10:24:56 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by kwepemi500020.china.huawei.com (7.221.188.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Tue, 31 Jan 2023 10:29:24 +0800 From: Jie Hai To: , , CC: , Subject: [PATCH v3 1/2] ring: add ring list telemetry cmd Date: Tue, 31 Jan 2023 10:28:40 +0800 Message-ID: <20230131022841.10775-2-haijie1@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20230131022841.10775-1-haijie1@huawei.com> References: <20230117130333.8707-1-haijie1@huawei.com> <20230131022841.10775-1-haijie1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemi500020.china.huawei.com (7.221.188.8) 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 the list of rings with telemetry cmd. An example using this command is shown below: --> /ring/list { "/ring/list": [ "HT_0000:7d:00.2", "MP_mb_pool_0" ] } Signed-off-by: Jie Hai Acked-by: Konstantin Ananyev Reviewed-by: Honnappa Nagarahalli --- lib/ring/meson.build | 1 + lib/ring/rte_ring.c | 40 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/lib/ring/meson.build b/lib/ring/meson.build index c20685c689ac..7fca958ed7fa 100644 --- a/lib/ring/meson.build +++ b/lib/ring/meson.build @@ -18,3 +18,4 @@ indirect_headers += files ( 'rte_ring_rts.h', 'rte_ring_rts_elem_pvt.h', ) +deps += ['telemetry'] diff --git a/lib/ring/rte_ring.c b/lib/ring/rte_ring.c index cddaf6b2876f..e6aac332d88f 100644 --- a/lib/ring/rte_ring.c +++ b/lib/ring/rte_ring.c @@ -22,6 +22,7 @@ #include #include #include +#include #include "rte_ring.h" #include "rte_ring_elem.h" @@ -419,3 +420,42 @@ rte_ring_lookup(const char *name) return r; } + +static void +ring_walk(void (*func)(struct rte_ring *, void *), void *arg) +{ + struct rte_ring_list *ring_list; + struct rte_tailq_entry *te; + + ring_list = RTE_TAILQ_CAST(rte_ring_tailq.head, rte_ring_list); + rte_mcfg_tailq_read_lock(); + + TAILQ_FOREACH(te, ring_list, next) { + (*func)((struct rte_ring *) te->data, arg); + } + + rte_mcfg_tailq_read_unlock(); +} + +static void +ring_list_cb(struct rte_ring *r, void *arg) +{ + struct rte_tel_data *d = (struct rte_tel_data *)arg; + + rte_tel_data_add_array_string(d, r->name); +} + +static int +ring_handle_list(const char *cmd __rte_unused, + const char *params __rte_unused, struct rte_tel_data *d) +{ + rte_tel_data_start_array(d, RTE_TEL_STRING_VAL); + ring_walk(ring_list_cb, d); + return 0; +} + +RTE_INIT(ring_init_telemetry) +{ + rte_telemetry_register_cmd("/ring/list", ring_handle_list, + "Returns list of available ring. Takes no parameters"); +}