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(parent: 15dc36e) | patch
pkt_sched: add cond_resched() to class and qdisc dump
authorEric Dumazet <edumazet@google.com>
Tue, 11 Mar 2014 00:11:43 +0000 (17:11 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 12 Mar 2014 03:54:23 +0000 (23:54 -0400)
commitfba373d2bb267eaeba85579dd04b91435df8c83b
tree64becbfd442aed1f89f4058609eaa042c8e6f417tree | snapshot (tar.gz zip)
parent15dc36ebbbea7da35fff2c51b620c8333fc87528commit | diff
pkt_sched: add cond_resched() to class and qdisc dump

We have seen delays of more than 50ms in class or qdisc dumps, in case
device is under high TX stress, even with the prior 4KB per skb limit.

Add cond_resched() to give a chance to higher prio tasks to get cpu.

Signed-off-by; Eric Dumazet <edumazet@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/sch_api.c diff | blob | blame | history