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

Andi Kleen
2007-02-21T11:34:24Z

On Wed, Feb 21, 2007 at 02:06:34PM +0300, Evgeniy Polyakov wrote:
> Here is data for 50 bytes reading for essentially idle machine
> (core duo 2.4 ghz):
>
> delta for syscall: 3326961404-3326969261: 7857 cycles = 3.273750 us

Can you oprofile it too?

-Andi