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Open Source and information security mailing list archives
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Date: Wed, 21 Feb 2007 12:34:09 +0100 From: Andi Kleen <andi@...stfloor.org> To: Evgeniy Polyakov <johnpol@....mipt.ru> Cc: bert hubert <bert.hubert@...herlabs.nl>, Andi Kleen <andi@...stfloor.org>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: all syscalls initially taking 4usec on a P4? Re: nonblocking UDPv4 recvfrom() taking 4usec @ 3GHz? 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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