From: William Lee Irwin III <wli@holomorphy.com>
To: Colin Coe <colin@coesta.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: SMP broken on Dell PowerEdge 4100/200 under 2.6.0-testxx?
Date: Fri, 5 Dec 2003 18:42:51 -0800 [thread overview]
Message-ID: <20031206024251.GG8039@holomorphy.com> (raw)
In-Reply-To: <3350.192.168.1.3.1070677965.squirrel@www.coesta.com>
On Sat, Dec 06, 2003 at 10:32:45AM +0800, Colin Coe wrote:
> This indicates to me that the processing load is being evenly distributed
> accross the two processes. Under v2.6.0-testxx however, 'cat
> /proc/interrupts' shows this:
> [root@host root]# cat /proc/interrupts
> CPU0 CPU1
> 0: 633122 30 IO-APIC-edge timer
> 1: 207 IO-APIC-edge i8042
> 2: XT-PIC cascade
> 4: 48 1 IO-APIC-edge serial
> 5: 449 1 IO-APIC-level eth1
> 10: 135 1 IO-APIC-level aic7xxx
> 11: 1447 1 IO-APIC-level eth0
> 12: 61 IO-APIC-edge i8042
> 14: IO-APIC-level CS46XX
> 15: 14982 1 IO-APIC-level megaraid
2.6 does balancing across packages, not logical cpus, so this will
happen and it will be largely harmless, except for what appears to
be some kind of bug where it's stealing the timer from logical cpu 1.
-- wli
next prev parent reply other threads:[~2003-12-06 2:43 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-06 2:32 SMP broken on Dell PowerEdge 4100/200 under 2.6.0-testxx? Colin Coe
2003-12-06 2:42 ` William Lee Irwin III [this message]
2003-12-06 2:48 ` William Lee Irwin III
2003-12-06 2:48 ` Nick Piggin
2003-12-06 3:07 ` William Lee Irwin III
2003-12-06 4:28 ` Stian Jordet
2003-12-06 4:37 ` William Lee Irwin III
2003-12-06 4:48 ` Stian Jordet
2003-12-06 4:54 ` William Lee Irwin III
2003-12-06 4:57 ` Stian Jordet
2003-12-06 5:09 ` William Lee Irwin III
2003-12-06 5:14 ` Stian Jordet
2003-12-06 5:40 ` William Lee Irwin III
2003-12-08 15:57 ` bill davidsen
2003-12-08 16:47 ` William Lee Irwin III
2003-12-06 7:11 ` Colin Coe
2003-12-08 15:45 ` bill davidsen
2003-12-08 17:36 ` Zwane Mwaikambo
2003-12-06 14:07 ` Adam Kropelin
2003-12-06 7:02 ` Colin Coe
2003-12-06 10:58 ` William Lee Irwin III
2003-12-06 20:08 ` Ethan Weinstein
2003-12-06 14:40 ` IRQ balancing Sean Neakums
2003-12-06 14:48 ` Sean Neakums
[not found] <fa.jiqirm0.13gv2u@ifi.uio.no>
[not found] ` <fa.f9f2gij.1kua0f@ifi.uio.no>
2003-12-06 17:38 ` SMP broken on Dell PowerEdge 4100/200 under 2.6.0-testxx? William Park
[not found] <ZAwx-88m-3@gated-at.bofh.it>
[not found] ` <ZAGd-8ma-5@gated-at.bofh.it>
[not found] ` <ZAQ7-6X-13@gated-at.bofh.it>
[not found] ` <ZAZB-pS-11@gated-at.bofh.it>
[not found] ` <ZCoI-2oz-9@gated-at.bofh.it>
[not found] ` <ZCyh-2Bv-1@gated-at.bofh.it>
[not found] ` <ZCI5-2Pv-3@gated-at.bofh.it>
[not found] ` <ZCIb-2Pv-11@gated-at.bofh.it>
2003-12-08 16:42 ` Matthew Kanar
2003-12-08 17:21 ` William Lee Irwin III
2003-12-08 17:38 ` Zwane Mwaikambo
[not found] <10wU2-1mR-11@gated-at.bofh.it>
[not found] ` <10wU2-1mR-13@gated-at.bofh.it>
[not found] ` <10wU2-1mR-15@gated-at.bofh.it>
[not found] ` <10wU3-1mR-17@gated-at.bofh.it>
[not found] ` <10wU3-1mR-19@gated-at.bofh.it>
[not found] ` <10wU3-1mR-21@gated-at.bofh.it>
[not found] ` <10wU3-1mR-23@gated-at.bofh.it>
[not found] ` <10wU3-1mR-25@gated-at.bofh.it>
[not found] ` <10wU2-1mR-9@gated-at.bofh.it>
[not found] ` <10xGk-38t-15@gated-at.bofh.it>
2003-12-08 19:24 ` Matthew Kanar
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