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-rw-r--r--net/sched/sch_htb.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 77ff510ef8ac..826f92145261 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -153,6 +153,9 @@ struct htb_sched {
int direct_qlen; /* max qlen of above */
long direct_pkts;
+
+#define HTB_WARN_TOOMANYEVENTS 0x1
+ unsigned int warned; /* only one warning */
};
/* find class in global hash table using given handle */
@@ -685,6 +688,10 @@ static psched_time_t htb_do_events(struct htb_sched *q, int level,
htb_add_to_wait_tree(q, cl, diff);
}
/* too much load - let's continue on next jiffie (including above) */
+ if (!(q->warned & HTB_WARN_TOOMANYEVENTS)) {
+ printk(KERN_WARNING "htb: too many events!\n");
+ q->warned |= HTB_WARN_TOOMANYEVENTS;
+ }
return q->now + 2 * PSCHED_TICKS_PER_SEC / HZ;
}