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authorFlorin Coras <fcoras@cisco.com>2021-01-25 20:31:27 -0800
committerDave Barach <openvpp@barachs.net>2021-02-05 17:28:34 +0000
commit5398dfb2592d525018997a991a4f7bfde515adc4 (patch)
treed986e2bac410e8b630a0d5907b729550a28838da /src/plugins/hs_apps/sapi/vpp_echo.c
parent2b97f597c6705809201ce6a6846d46c47c0933ba (diff)
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 <fcoras@cisco.com> Change-Id: Ie2aafbdc2e07fced5d5e46ee2df6b30a186faa2f
Diffstat (limited to 'src/plugins/hs_apps/sapi/vpp_echo.c')
-rw-r--r--src/plugins/hs_apps/sapi/vpp_echo.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/src/plugins/hs_apps/sapi/vpp_echo.c b/src/plugins/hs_apps/sapi/vpp_echo.c
index 19b5808c550..816b7d41c77 100644
--- a/src/plugins/hs_apps/sapi/vpp_echo.c
+++ b/src/plugins/hs_apps/sapi/vpp_echo.c
@@ -808,15 +808,12 @@ echo_process_rpcs (echo_main_t * em)
while (em->state < STATE_DATA_DONE && !em->time_to_stop)
{
- svm_msg_q_lock (mq);
if (svm_msg_q_is_empty (mq) && svm_msg_q_timedwait (mq, 1))
{
- svm_msg_q_unlock (mq);
continue;
}
- svm_msg_q_sub_w_lock (mq, &msg);
+ svm_msg_q_sub_raw (mq, &msg);
rpc = svm_msg_q_msg_data (mq, &msg);
- svm_msg_q_unlock (mq);
((echo_rpc_t) rpc->fp) (em, &rpc->args);
svm_msg_q_free_msg (mq, &msg);
}
@@ -876,18 +873,15 @@ echo_mq_thread_fn (void *arg)
if (em->periodic_stats_delta)
echo_print_periodic_stats (em);
- svm_msg_q_lock (mq);
if (svm_msg_q_is_empty (mq) && svm_msg_q_timedwait (mq, 1))
{
- svm_msg_q_unlock (mq);
continue;
}
for (i = 0; i < svm_msg_q_size (mq); i++)
{
vec_add2 (msg_vec, msg, 1);
- svm_msg_q_sub_w_lock (mq, msg);
+ svm_msg_q_sub_raw (mq, msg);
}
- svm_msg_q_unlock (mq);
for (i = 0; i < vec_len (msg_vec); i++)
{