Re: all syscalls initially taking 4usec on a P4? Re: nonblocking UDPv4 recvfrom() taking 4usec @ 3GHz?

From: Arjan van de Ven
Date: Tue Feb 20 2007 - 17:23:11 EST

> I'm trying to figure out which processes have the most impact, I had already
> killed anything non-essential. But that still leaves 140 pids.

btw if you have systemtap on your system you can see who is doing evil

also.. running "vmstat 3" and looking at the "cs" column is interesting;
it shouldn't be above 50 or so in idle (well not above 10 but our
userland stinks too much for that)

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