On Tue, May 29, 2012 at 2:14 PM, Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote: > The tx pending queues doesn't seem to be limitted, allowing > run-away memory usage when something like pktgen is > sending packets faster than the system can actually > send them. > > [root@ct520-2011 ~]# cat /debug/ieee80211/wiphy0/queues > 00: 0x00000000/0 > 01: 0x00000000/0 > 02: 0x00000001/40076 > 03: 0x00000000/0 > [root@ct520-2011 ~]# cat /debug/ieee80211/wiphy0/queues > 00: 0x00000000/0 > 01: 0x00000000/0 > 02: 0x00000001/52649 > 03: 0x00000000/0 > [root@ct520-2011 ~]# cat /debug/ieee80211/wiphy0/queues > 00: 0x00000000/0 > 01: 0x00000000/0 > 02: 0x00000001/107939 > 03: 0x00000000/0 > > I think this is what is causing my OOM issues when sending > with (my hacked version of) pktgen. > > Shouldn't there be an upper limit on the number of pending frames > that mac80211 will queue? something bql-like would help a lot. > > Thanks, > Ben > > > -- > Ben Greear <greearb@xxxxxxxxxxxxxxx> > Candela Technologies Inc http://www.candelatech.com > > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Dave Täht SKYPE: davetaht US Tel: 1-239-829-5608 http://www.bufferbloat.net -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
