[v6,08/15] graph: add struct for stream moving between cores
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Commit Message
Add graph_sched_wq_node to hold graph scheduling workqueue
node.
Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Signed-off-by: Cunming Liang <cunming.liang@intel.com>
Signed-off-by: Zhirun Yan <zhirun.yan@intel.com>
---
lib/graph/graph.c | 1 +
lib/graph/graph_populate.c | 1 +
lib/graph/graph_private.h | 12 ++++++++++++
lib/graph/rte_graph_worker_common.h | 21 +++++++++++++++++++++
4 files changed, 35 insertions(+)
Comments
On Tue, May 9, 2023 at 11:35 AM Zhirun Yan <zhirun.yan@intel.com> wrote:
>
> Add graph_sched_wq_node to hold graph scheduling workqueue
> node.
>
> Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
> Signed-off-by: Cunming Liang <cunming.liang@intel.com>
> Signed-off-by: Zhirun Yan <zhirun.yan@intel.com>
> + * @internal
> + *
> + * Structure that holds the graph scheduling workqueue node stream.
> + * Used for mcore dispatch model.
> + */
> +struct graph_sched_wq_node {
Could we change to graph_mcore_dispatch_wq_node? Just to make sure
this for mcore dispatch model.
> -----Original Message-----
> From: Jerin Jacob <jerinjacobk@gmail.com>
> Sent: Wednesday, May 24, 2023 3:25 PM
> To: Yan, Zhirun <zhirun.yan@intel.com>
> Cc: dev@dpdk.org; jerinj@marvell.com; kirankumark@marvell.com;
> ndabilpuram@marvell.com; stephen@networkplumber.org;
> pbhagavatula@marvell.com; Liang, Cunming <cunming.liang@intel.com>; Wang,
> Haiyue <haiyue.wang@intel.com>
> Subject: Re: [PATCH v6 08/15] graph: add struct for stream moving between
> cores
>
> On Tue, May 9, 2023 at 11:35 AM Zhirun Yan <zhirun.yan@intel.com> wrote:
> >
> > Add graph_sched_wq_node to hold graph scheduling workqueue node.
> >
> > Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
> > Signed-off-by: Cunming Liang <cunming.liang@intel.com>
> > Signed-off-by: Zhirun Yan <zhirun.yan@intel.com>
> > + * @internal
> > + *
> > + * Structure that holds the graph scheduling workqueue node stream.
> > + * Used for mcore dispatch model.
> > + */
> > +struct graph_sched_wq_node {
>
> Could we change to graph_mcore_dispatch_wq_node? Just to make sure this
> for mcore dispatch model.
Yes.
@@ -290,6 +290,7 @@ rte_graph_model_dispatch_core_bind(rte_graph_t id, int lcore)
break;
graph->lcore_id = lcore;
+ graph->graph->lcore_id = graph->lcore_id;
graph->socket = rte_lcore_to_socket_id(lcore);
/* check the availability of source node */
@@ -89,6 +89,7 @@ graph_nodes_populate(struct graph *_graph)
}
node->id = graph_node->node->id;
node->parent_id = pid;
+ node->lcore_id = graph_node->node->lcore_id;
nb_edges = graph_node->node->nb_edges;
node->nb_edges = nb_edges;
off += sizeof(struct rte_node);
@@ -61,6 +61,18 @@ struct node {
char next_nodes[][RTE_NODE_NAMESIZE]; /**< Names of next nodes. */
};
+/**
+ * @internal
+ *
+ * Structure that holds the graph scheduling workqueue node stream.
+ * Used for mcore dispatch model.
+ */
+struct graph_sched_wq_node {
+ rte_graph_off_t node_off;
+ uint16_t nb_objs;
+ void *objs[RTE_GRAPH_BURST_SIZE];
+} __rte_cache_aligned;
+
/**
* @internal
*
@@ -30,6 +30,13 @@
extern "C" {
#endif
+/**
+ * @internal
+ *
+ * Singly-linked list head for graph schedule run-queue.
+ */
+SLIST_HEAD(rte_graph_rq_head, rte_graph);
+
/**
* @internal
*
@@ -41,6 +48,15 @@ struct rte_graph {
uint32_t cir_mask; /**< Circular buffer wrap around mask. */
rte_node_t nb_nodes; /**< Number of nodes in the graph. */
rte_graph_off_t *cir_start; /**< Pointer to circular buffer. */
+ /* Graph schedule */
+ struct rte_graph_rq_head *rq __rte_cache_aligned; /* The run-queue */
+ struct rte_graph_rq_head rq_head; /* The head for run-queue list */
+
+ SLIST_ENTRY(rte_graph) rq_next; /* The next for run-queue list */
+ unsigned int lcore_id; /**< The graph running Lcore. */
+ struct rte_ring *wq; /**< The work-queue for pending streams. */
+ struct rte_mempool *mp; /**< The mempool for scheduling streams. */
+ /* Graph schedule area */
rte_graph_off_t nodes_start; /**< Offset at which node memory starts. */
rte_graph_t id; /**< Graph identifier. */
int socket; /**< Socket ID where memory is allocated. */
@@ -74,6 +90,11 @@ struct rte_node {
/** Original process function when pcap is enabled. */
rte_node_process_t original_process;
+ RTE_STD_C11
+ union {
+ /* Fast schedule area for mcore dispatch model */
+ unsigned int lcore_id; /**< Node running lcore. */
+ };
/* Fast path area */
#define RTE_NODE_CTX_SZ 16
uint8_t ctx[RTE_NODE_CTX_SZ] __rte_cache_aligned; /**< Node Context. */