MINOR: cli/activity: report the accept queue sizes in "show activity"

Seeing the size of each ring helps understand which threads are
overloaded and why some of them are less often elected than others
by the multi-queue load balancer.

diff --git a/src/cli.c b/src/cli.c
index 755a94c133db563a2f09ec2ebd96a8c0c1ab05dc..5db1894faf218f744a9e49a89335f4bd9dcde32b 100644 (file)
--- a/src/cli.c
+++ b/src/cli.c
@@ -1071,6 +1071,7 @@ static int cli_io_handler_show_activity(struct appctx *appctx)
        chunk_appendf(&trash, "\naccepted:");     for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].accepted);
        chunk_appendf(&trash, "\naccq_pushed:");  for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].accq_pushed);
        chunk_appendf(&trash, "\naccq_full:");    for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", activity[thr].accq_full);
+       chunk_appendf(&trash, "\naccq_ring:");    for (thr = 0; thr < global.nbthread; thr++) chunk_appendf(&trash, " %u", (accept_queue_rings[thr].tail - accept_queue_rings[thr].head + ACCEPT_QUEUE_SIZE)%ACCEPT_QUEUE_SIZE);
 
        chunk_appendf(&trash, "\n");