From 5398dfb2592d525018997a991a4f7bfde515adc4 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Mon, 25 Jan 2021 20:31:27 -0800 Subject: session svm: non blocking mq Avoid synchronizing producers and the consumer. Instead, only use mutex or spinlock (if eventfds are configured) to synchronize producers. Type: improvement Signed-off-by: Florin Coras Change-Id: Ie2aafbdc2e07fced5d5e46ee2df6b30a186faa2f --- src/vnet/session/session_node.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'src/vnet/session/session_node.c') diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c index 37df0c450f8..2c91a2fe092 100644 --- a/src/vnet/session/session_node.c +++ b/src/vnet/session/session_node.c @@ -1425,16 +1425,15 @@ session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, * XXX: we may need priorities here */ mq = wrk->vpp_event_queue; n_to_dequeue = svm_msg_q_size (mq); - if (n_to_dequeue && svm_msg_q_try_lock (mq) == 0) + if (n_to_dequeue) { for (i = 0; i < n_to_dequeue; i++) { - svm_msg_q_sub_w_lock (mq, msg); + svm_msg_q_sub_raw (mq, msg); evt = svm_msg_q_msg_data (mq, msg); session_evt_add_to_list (wrk, evt); svm_msg_q_free_msg (mq, msg); } - svm_msg_q_unlock (mq); } SESSION_EVT (SESSION_EVT_DSP_CNTRS, MQ_DEQ, wrk, n_to_dequeue, !i); -- cgit 1.2.3-korg