| To: | netdev@xxxxxxxxxxx |
|---|---|
| Subject: | Re: _High_ CPU usage while routing (mostly) small UDP packets |
| From: | Karsten Desler <kdesler@xxxxxxxxxx> |
| Date: | Tue, 7 Dec 2004 22:10:35 +0100 |
| Cc: | linux-kernel@xxxxxxxxxxxxxxx, "David S. Miller" <davem@xxxxxxxxxxxxx>, jamal <hadi@xxxxxxxxxx>, Robert Olsson <Robert.Olsson@xxxxxxxxxxx>, P@xxxxxxxxxxxxxx |
| In-reply-to: | <20041206205305.GA11970@xxxxxxxxxx> |
| References: | <20041206205305.GA11970@xxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.5.6+20040722i |
Karsten Desler <kdesler@xxxxxxxxxx> wrote: > Current packetload on eth0 (and reversed on eth1): > 115kpps tx > 135kpps rx I totally forgot to mention: There are approximately 100k concurrent flows. From dmesg: IP: routing cache hash table of 16384 buckets, 128Kbytes Maybe there is some contention on the rt_hash_table spinlocks? Is the attached patch enough to increase the size? - Karsten
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