Re: loaded router, excessive getnstimeofday in oprofile

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Cc: <jmalicki@...>, <andi@...>, <johnpol@...>, <dada1@...>, <denys@...>, <netdev@...>, <linux-kernel@...>, <juhlenko@...>, <sammy@...>

Subject: Re: loaded router, excessive getnstimeofday in oprofile

Date: Thursday, August 28, 2008 - 4:47 pm

From: Rick Jones
Date: Thu, 28 Aug 2008 13:45:40 -0700

> Given that there are no guarantees that a packet arriving on NIC 1

quoted text

> and timestamped either by the NIC HW or the driver will actually hit
> the application before a packet arriving on NIC2, just how long are
> these financial services applications going to wait around before
> executing the trade carried in the packet arriving on NIC1?

I have no idea.

They also care about trade processing latency btw.
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Messages in current thread:

loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Thu Aug 21, 9:57 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Stephen Hemminger, (Wed Aug 27, 11:35 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Thu Aug 28, 4:49 am)

Re: loaded router, excessive getnstimeofday in oprofile, Evgeniy Polyakov, (Tue Aug 26, 4:14 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Eric Dumazet, (Tue Aug 26, 4:44 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Evgeniy Polyakov, (Tue Aug 26, 4:51 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Andi Kleen, (Wed Aug 27, 8:54 am)

Re: loaded router, excessive getnstimeofday in oprofile, David Miller, (Wed Aug 27, 5:34 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Jason Uhlenkott, (Wed Aug 27, 10:39 pm)

Re: loaded router, excessive getnstimeofday in oprofile, David Miller, (Wed Aug 27, 11:10 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Joe Malicki, (Thu Aug 28, 2:28 am)

Re: loaded router, excessive getnstimeofday in oprofile, Rick Jones, (Thu Aug 28, 2:00 pm)

Re: loaded router, excessive getnstimeofday in oprofile, , (Sun Aug 31, 10:39 pm)

Re: loaded router, excessive getnstimeofday in oprofile, David Miller, (Sun Aug 31, 11:51 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Rick Jones, (Tue Sep 2, 1:04 pm)

Re: loaded router, excessive getnstimeofday in oprofile, , (Mon Sep 1, 12:08 am)

Re: loaded router, excessive getnstimeofday in oprofile, David Miller, (Mon Sep 1, 12:10 am)

Re: loaded router, excessive getnstimeofday in oprofile, David Miller, (Thu Aug 28, 3:42 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Rick Jones, (Thu Aug 28, 4:29 pm)

Re: loaded router, excessive getnstimeofday in oprofile, David Miller, (Thu Aug 28, 4:32 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Rick Jones, (Thu Aug 28, 4:45 pm)

Re: loaded router, excessive getnstimeofday in oprofile, David Miller, (Thu Aug 28, 4:47 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Andi Kleen, (Thu Aug 28, 3:22 am)

Re: loaded router, excessive getnstimeofday in oprofile, Joe Malicki, (Fri Aug 29, 11:21 am)

Re: loaded router, excessive getnstimeofday in oprofile, Evgeniy Polyakov, (Fri Aug 29, 4:43 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Andi Kleen, (Fri Aug 29, 11:30 am)

Re: loaded router, excessive getnstimeofday in oprofile, Joe Malicki, (Fri Aug 29, 11:43 am)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Thu Aug 28, 12:48 pm)

Re: loaded router, excessive getnstimeofday in oprofile, David Miller, (Thu Aug 28, 3:36 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Thu Aug 28, 3:59 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Eric Dumazet, (Thu Aug 28, 2:57 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Thu Aug 28, 3:25 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Eric Dumazet, (Thu Aug 28, 3:37 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Thu Aug 28, 3:55 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Stephen Hemminger, (Fri Aug 29, 11:43 am)

Re: loaded router, excessive getnstimeofday in oprofile, Andi Kleen, (Thu Aug 28, 12:56 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Thu Aug 28, 11:02 am)

Re: loaded router, excessive getnstimeofday in oprofile, David Miller, (Thu Aug 28, 3:31 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Ilpo Järvinen, (Thu Aug 28, 3:01 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Stephen Hemminger, (Wed Aug 27, 12:17 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Jarek Poplawski, (Wed Aug 27, 1:14 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Rick Jones, (Wed Aug 27, 12:07 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Andi Kleen, (Wed Aug 27, 12:27 pm)

Re: loaded router, excessive getnstimeofday in oprofile, David Miller, (Wed Aug 27, 6:18 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Andi Kleen, (Wed Aug 27, 6:39 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Nick Piggin, (Wed Aug 27, 8:45 pm)

Re: loaded router, excessive getnstimeofday in oprofile, David Miller, (Wed Aug 27, 8:48 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Nick Piggin, (Wed Aug 27, 9:07 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Rick Jones, (Wed Aug 27, 12:49 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Andi Kleen, (Wed Aug 27, 12:56 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Eric Dumazet, (Wed Aug 27, 1:27 pm)

Re: loaded router, excessive getnstimeofday in oprofile\, Andi Kleen, (Wed Aug 27, 2:32 pm)

Re: loaded router, excessive getnstimeofday in oprofile\, David Miller, (Wed Aug 27, 6:23 pm)

Re: loaded router, excessive getnstimeofday in oprofile\, Andi Kleen, (Wed Aug 27, 6:38 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Rick Jones, (Wed Aug 27, 12:57 pm)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Wed Aug 27, 8:09 am)

Re: loaded router, excessive getnstimeofday in oprofile, Evgeniy Polyakov, (Wed Aug 27, 8:36 am)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Wed Aug 27, 10:00 am)

Re: loaded router, excessive getnstimeofday in oprofile, Evgeniy Polyakov, (Wed Aug 27, 10:23 am)

Re: loaded router, excessive getnstimeofday in oprofile, Jarek Poplawski, (Tue Aug 26, 5:51 am)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Tue Aug 26, 6:29 am)

Re: loaded router, excessive getnstimeofday in oprofile, Jarek Poplawski, (Tue Aug 26, 6:47 am)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Tue Aug 26, 6:49 am)

Re: loaded router, excessive getnstimeofday in oprofile, Jarek Poplawski, (Tue Aug 26, 7:07 am)

Re: loaded router, excessive getnstimeofday in oprofile, Jarek Poplawski, (Tue Aug 26, 7:15 am)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Tue Aug 26, 7:16 am)

Re: loaded router, excessive getnstimeofday in oprofile, Jarek Poplawski, (Tue Aug 26, 7:32 am)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Tue Aug 26, 7:32 am)

Re: loaded router, excessive getnstimeofday in oprofile, Denys Fedoryshchenko, (Thu Aug 21, 10:23 pm)

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