Author: hiren
Date: Thu Feb 27 22:36:16 2014
New Revision: 262579
URL: http://svnweb.freebsd.org/changeset/base/262579
Log:
MFC r257472
Rate limit (to once per minute) "Listen queue overflow" message in
sonewconn().
Modified:
stable/9/sys/kern/uipc_socket.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/kern/uipc_socket.c
==============================================================================
--- stable/9/sys/kern/uipc_socket.c Thu Feb 27 22:34:09 2014
(r262578)
+++ stable/9/sys/kern/uipc_socket.c Thu Feb 27 22:36:16 2014
(r262579)
@@ -483,6 +483,10 @@ SYSCTL_INT(_regression, OID_AUTO, sonewc
struct socket *
sonewconn(struct socket *head, int connstatus)
{
+ static struct timeval lastover;
+ static struct timeval overinterval = { 60, 0 };
+ static int overcount;
+
struct socket *so;
int over;
@@ -494,9 +498,17 @@ sonewconn(struct socket *head, int conns
#else
if (over) {
#endif
- log(LOG_DEBUG, "%s: pcb %p: Listen queue overflow: "
- "%i already in queue awaiting acceptance\n",
- __func__, head->so_pcb, head->so_qlen);
+ overcount++;
+
+ if (ratecheck(&lastover, &overinterval)) {
+ log(LOG_DEBUG, "%s: pcb %p: Listen queue overflow: "
+ "%i already in queue awaiting acceptance "
+ "(%d occurrences)\n",
+ __func__, head->so_pcb, head->so_qlen, overcount);
+
+ overcount = 0;
+ }
+
return (NULL);
}
VNET_ASSERT(head->so_vnet != NULL, ("%s:%d so_vnet is NULL, head=%p",
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