On 01.18.2012 08:02, Eddie Kohler wrote: > Well, shoot. This performance degradation is unfortunate. > > There are two questions: > 1. Why is performance low (~300Kpps or less)? > 2. Why has performance gotten worse (300->200)? > > Let's attack #2 first. > > Has a non-Device configuration, such as InfiniteSource->Idle, slowed > down? > > Eddie > non-Device config
InfiniteSource(LENGTH 2154, ACTIVE true) -> ctr :: AverageCounter -> Discard; 1.7.0rc1 more /click/ctr/rate 3117000 2.0.1 more /click/ctr/rate 3173500 Device receive only config FromDevice(eth0, PROMISC true, BURST 32) -> ctr :: AverageCounter -> Discard; 2.0.1 more /click/ctr/rate 240348 I am having trouble getting 1.7.0rc1 to work right now as it is crashing on me on recieve node6.10gigcreation.wgs.sntb.aero.org login: click: starting router thread pid 5719 (ffff81007e5589c0) WARNING: at /usr/local/ixgbe-3.7.17/src/kcompat.h:2691 _kc_skb_checksum_none_assert() Pid: 0, comm: swapper Not tainted 2.6.24.7 #10 Call Trace: <IRQ> [<ffffffff88011e43>] :ixgbe:ixgbe_poll+0x12b3/0x1480 [<ffffffff8022e0bc>] run_rebalance_domains+0xde/0x43b [<ffffffff80248c36>] hrtimer_run_queues+0xe8/0x175 [<ffffffff80489ff2>] net_rx_action+0x9e/0x18c [<ffffffff80239a09>] __do_softirq+0x55/0xc4 [<ffffffff8020c80c>] call_softirq+0x1c/0x28 [<ffffffff8020dc40>] do_softirq+0x2c/0x7d [<ffffffff8020de78>] do_IRQ+0xb6/0xd6 [<ffffffff8020a994>] mwait_idle+0x0/0x48 [<ffffffff8020bb91>] ret_from_intr+0x0/0xa <EOI> [<ffffffff880e0b40>] :click:_ZN7Discard4pushEiP6Packet+0x0/0x20 [<ffffffff8020a9d6>] mwait_idle+0x42/0x48 [<ffffffff8020a92c>] cpu_idle+0x8c/0xaf Will report the results later on, once I get it stable enough. However, based on the results I got yesterday, it appeared that FromDevice on 1.7 worked faster than on the 2.01. Roman _______________________________________________ click mailing list [email protected] https://amsterdam.lcs.mit.edu/mailman/listinfo/click
