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 CA7DF4285E; Wed, 29 Mar 2023 08:45:10 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id EDC1942D53; Wed, 29 Mar 2023 08:44:14 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by mails.dpdk.org (Postfix) with ESMTP id C3EE642D49 for ; Wed, 29 Mar 2023 08:44:12 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1680072253; x=1711608253; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=LAQ4+NhVCor84gMJvrQAQ1UH6F80izzw0qM21Lb08B8=; b=KGS6knAhRDGMtlMm+KZZBGc16vMfGKl6lqDatwyFQ5KP6IdnwoORVWBk MQRJMMBauDh7fjfzAd15aql8nRF2sZfBNohntemYHM/SY/0dUU8UD3zNT RCv0bWK1K5N8hZD75CwHm82uoQVY5G5jNzmPKepoxK+hJtYOwRjisWIz2 pdPYLenZcg3oKBaDCgM5jq0v13GzKuDWhfyRJfk5dQpEBBFpTNNOJw1gq IgqtfaQdizCkPUGJv9xwKKcKTwN5D4ptT1Bj8KNZZ/LfiSAYfD9otbQVV pevLeZYvqm9yEK5tHJlvzNjDOV96dEnnagPtnMtB0IUX7gStVuBLqebxE w==; X-IronPort-AV: E=McAfee;i="6600,9927,10663"; a="329260493" X-IronPort-AV: E=Sophos;i="5.98,300,1673942400"; d="scan'208";a="329260493" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Mar 2023 23:44:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10663"; a="795105038" X-IronPort-AV: E=Sophos;i="5.98,300,1673942400"; d="scan'208";a="795105038" Received: from dpdk-zhirun-lmm.sh.intel.com ([10.67.119.68]) by fmsmga002.fm.intel.com with ESMTP; 28 Mar 2023 23:44:10 -0700 From: Zhirun Yan To: dev@dpdk.org, jerinj@marvell.com, kirankumark@marvell.com, ndabilpuram@marvell.com Cc: cunming.liang@intel.com, haiyue.wang@intel.com, Zhirun Yan Subject: [PATCH v3 11/15] graph: introduce graph walk by cross-core dispatch Date: Wed, 29 Mar 2023 15:43:36 +0900 Message-Id: <20230329064340.2550530-12-zhirun.yan@intel.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230329064340.2550530-1-zhirun.yan@intel.com> References: <20230324021622.1369006-1-zhirun.yan@intel.com> <20230329064340.2550530-1-zhirun.yan@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 introduces the task scheduler mechanism to enable dispatching tasks to another worker cores. Currently, there is only a local work queue for one graph to walk. We introduce a scheduler worker queue in each worker core for dispatching tasks. It will perform the walk on scheduler work queue first, then handle the local work queue. Signed-off-by: Haiyue Wang Signed-off-by: Cunming Liang Signed-off-by: Zhirun Yan --- lib/graph/rte_graph_model_dispatch.h | 42 ++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/lib/graph/rte_graph_model_dispatch.h b/lib/graph/rte_graph_model_dispatch.h index 7cbdf2fdcf..764c4ecfd0 100644 --- a/lib/graph/rte_graph_model_dispatch.h +++ b/lib/graph/rte_graph_model_dispatch.h @@ -71,6 +71,48 @@ __rte_experimental int rte_graph_model_dispatch_lcore_affinity_set(const char *name, unsigned int lcore_id); +/** + * Perform graph walk on the circular buffer and invoke the process function + * of the nodes and collect the stats. + * + * @param graph + * Graph pointer returned from rte_graph_lookup function. + * + * @see rte_graph_lookup() + */ +__rte_experimental +static inline void +rte_graph_walk_mcore_dispatch(struct rte_graph *graph) +{ + const rte_graph_off_t *cir_start = graph->cir_start; + const rte_node_t mask = graph->cir_mask; + uint32_t head = graph->head; + struct rte_node *node; + + if (graph->wq != NULL) + __rte_graph_sched_wq_process(graph); + + while (likely(head != graph->tail)) { + node = (struct rte_node *)RTE_PTR_ADD(graph, cir_start[(int32_t)head++]); + + /* skip the src nodes which not bind with current worker */ + if ((int32_t)head < 0 && node->lcore_id != graph->lcore_id) + continue; + + /* Schedule the node until all task/objs are done */ + if (node->lcore_id != RTE_MAX_LCORE && + graph->lcore_id != node->lcore_id && graph->rq != NULL && + __rte_graph_sched_node_enqueue(node, graph->rq)) + continue; + + __rte_node_process(graph, node); + + head = likely((int32_t)head > 0) ? head & mask : head; + } + + graph->tail = 0; +} + #ifdef __cplusplus } #endif -- 2.37.2