Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts

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From: David Dillow

Subject: Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts

Date: Saturday, May 23, 2009 - 9:46 am

On Sat, 2009-05-23 at 18:12 +0200, Michael Riepe wrote:
quoted text> If I use two connections (iperf -P2) and nail iperf to both threads of a
> single core with taskset (the program is multi-threaded, just in case
> you wonder), I get this:
> 
> CPU 0+2:  0.0-60.0 sec  4.65 GBytes    665 Mbits/sec
> CPU 1+3:  0.0-60.0 sec  6.43 GBytes    920 Mbits/sec
> 
> That's quite a difference, isn't it?
> 
> Now I wonder what CPU 0 is doing...

Where does /proc/interrupts say the irqs are going?

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Messages in current thread:

Re: 2.6.27.19 + 28.7: network timeouts for r8169 and 8139too, Michael Riepe, (Thu May 14, 12:42 pm)

[PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Dillow, (Fri May 22, 6:29 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Buesch, (Sat May 23, 2:24 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Riepe, (Sat May 23, 7:35 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Buesch, (Sat May 23, 7:44 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Dillow, (Sat May 23, 7:51 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Riepe, (Sat May 23, 8:01 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Riepe, (Sat May 23, 9:12 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Buesch, (Sat May 23, 9:40 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Buesch, (Sat May 23, 9:45 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Dillow, (Sat May 23, 9:46 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Buesch, (Sat May 23, 9:50 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Riepe, (Sat May 23, 9:53 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Dillow, (Sat May 23, 10:03 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Francois Romieu, (Sun May 24, 2:15 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Dillow, (Sun May 24, 3:55 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Miller, (Mon May 25, 10:55 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Buesch, (Tue May 26, 11:22 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Miller, (Tue May 26, 2:52 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Miller, (Tue May 26, 3:14 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Riepe, (Tue May 26, 3:40 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Miller, (Tue May 26, 3:43 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Miller, (Tue May 26, 4:10 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Buesch, (Wed May 27, 9:19 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Rui Santos, (Tue Jun 16, 12:32 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Eric W. Biederman, (Fri Aug 21, 1:57 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michael Riepe, (Fri Aug 21, 2:22 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Dillow, (Fri Aug 21, 3:59 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Dillow, (Fri Aug 21, 4:34 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Eric W. Biederman, (Fri Aug 21, 5:24 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Eric W. Biederman, (Sat Aug 22, 4:48 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Eric W. Biederman, (Sat Aug 22, 5:07 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Dillow, (Sat Aug 22, 1:43 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Jarek Poplawski, (Sun Aug 23, 10:17 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Michal Soltys, (Sun Aug 23, 10:43 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Jarek Poplawski, (Sun Aug 23, 10:54 am)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Eric W. Biederman, (Sun Aug 23, 7:37 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Eric W. Biederman, (Mon Aug 24, 5:51 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Dillow, (Mon Aug 24, 7:59 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Eric W. Biederman, (Tue Aug 25, 1:22 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Dillow, (Tue Aug 25, 1:40 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Eric W. Biederman, (Tue Aug 25, 2:24 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Eric W. Biederman, (Tue Aug 25, 2:37 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Dillow, (Tue Aug 25, 2:46 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, David Dillow, (Tue Aug 25, 2:54 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Francois Romieu, (Tue Aug 25, 3:19 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Francois Romieu, (Tue Aug 25, 4:11 pm)

Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts, Eric W. Biederman, (Tue Aug 25, 8:47 pm)

[PATCH] r8169: Reduce looping in the interrupt handler., Eric W. Biederman, (Wed Aug 26, 12:58 am)

Re: [PATCH] r8169: Reduce looping in the interrupt handler., David Dillow, (Wed Aug 26, 6:56 am)

Re: [PATCH] r8169: Reduce looping in the interrupt handler., David Dillow, (Wed Aug 26, 6:59 am)

Re: [PATCH] r8169: Reduce looping in the interrupt handler., Eric W. Biederman, (Wed Aug 26, 1:02 pm)

Re: [PATCH] r8169: Reduce looping in the interrupt handler., Francois Romieu, (Wed Aug 26, 2:30 pm)

Re: [PATCH] r8169: Reduce looping in the interrupt handler., Eric W. Biederman, (Wed Aug 26, 2:40 pm)

Re: [PATCH] r8169: Reduce looping in the interrupt handler., Francois Romieu, (Wed Aug 26, 10:24 pm)

Re: [PATCH] r8169: Reduce looping in the interrupt handler., Eric W. Biederman, (Wed Aug 26, 10:38 pm)

Re: [PATCH] r8169: Reduce looping in the interrupt handler., Francois Romieu, (Thu Aug 27, 4:20 pm)

Re: [PATCH] r8169: Reduce looping in the interrupt handler., Eric W. Biederman, (Thu Aug 27, 6:17 pm)

Re: [PATCH] r8169: Reduce looping in the interrupt handler., David Dillow, (Thu Aug 27, 6:29 pm)

Re: [PATCH] r8169: Reduce looping in the interrupt handler., Francois Romieu