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Commit e82181de authored by Jarek Poplawski's avatar Jarek Poplawski Committed by David S. Miller
Browse files

pkt_sched: sch_htb: Warn on too many events. 



Let's get some info on possible config problems. This patch brings
back an old warning, but is printed only once now.

With feedback from Patrick McHardy <kaber@trash.net>

Signed-off-by: default avatarJarek Poplawski <jarkao2@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b00355db

net/sched/sch_htb.c

+7 −0
Original line number Diff line number Diff line
@@ -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;

}