| To: | ralph+d@xxxxxxxxx, ralph@xxxxxxxxx |
|---|---|
| Subject: | Re: Route cache performance under stress |
| From: | "David S. Miller" <davem@xxxxxxxxxx> |
| Date: | Tue, 10 Jun 2003 17:58:54 -0700 (PDT) |
| Cc: | Robert.Olsson@xxxxxxxxxxx, hadi@xxxxxxxxxxxxxxxx, xerox@xxxxxxxxxx, sim@xxxxxxxxxxxxx, fw@xxxxxxxxxxxxx, netdev@xxxxxxxxxxx, linux-net@xxxxxxxxxxxxxxx |
| In-reply-to: | <Pine.LNX.4.51.0306102030530.12166@xxxxxxxxxxxx> |
| References: | <Pine.LNX.4.51.0306101956520.7801@xxxxxxxxxxxx> <20030610.165759.78731321.davem@xxxxxxxxxx> <Pine.LNX.4.51.0306102030530.12166@xxxxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
From: Ralph Doncaster <ralph@xxxxxxxxx> Date: Tue, 10 Jun 2003 20:41:13 -0400 (EDT) This sounded so unbelievable to me that I took a quick look at the code to see what I'd have to do to get rid of it. It appears that gettimeofday is not called for every packet; just for ICMP timestamp requests and for IP options (ip_options_build and ip_options_compile). Stop lookin in the IP code. Look at where we get the packet from the device, which is one layer up. |
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