From: "Philippe Gramoullé" <philippe.gramoulle@mmania.com>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.5.67-mm4 & IRQ balancing
Date: Sat, 19 Apr 2003 15:39:23 +0200 [thread overview]
Message-ID: <20030419153923.6d63e22b.philippe.gramoulle@mmania.com> (raw)
In-Reply-To: <20030418175116.75c8aa7b.akpm@digeo.com>
Hello,
On Fri, 18 Apr 2003 17:51:16 -0700
Andrew Morton <akpm@digeo.com> wrote:
| $ cat /proc/interrupts
| > CPU0 CPU1
| > 0: 47851610 0 IO-APIC-edge timer
| > 1: 51789 0 IO-APIC-edge i8042
| > 2: 0 0 XT-PIC cascade
| > 3: 171 0 IO-APIC-edge serial
| > 8: 772066 0 IO-APIC-edge rtc
| > 12: 3 0 IO-APIC-edge i8042, i8042, i8042, i8042
| > 15: 58 1 IO-APIC-edge ide1
| > 16: 47047 0 IO-APIC-level ohci1394
| > 18: 391753 0 IO-APIC-level EMU10K1
| > 19: 911863 0 IO-APIC-level uhci-hcd
| > 20: 261806 0 IO-APIC-level eth0
| > 22: 273648 0 IO-APIC-level aic7xxx
|
| It is supposed to do that.
Ok.
|
| You might as well beat the rush; boot with the `noirqbalance' option and
| run http://people.redhat.com/arjanv/irqbalance/. We want to pull the
| irq balancer out of the kernel altogether.
Ok, i booted with noriqbalance, removed nmi_watchdog=1 and ran irqbalance 0.06.
Now after few minutes of activity :
# cat /proc/interrupts
CPU0 CPU1
0: 73897 577734 IO-APIC-edge timer
1: 3297 18 IO-APIC-edge i8042
2: 0 0 XT-PIC cascade
3: 177 0 IO-APIC-edge serial
8: 1 0 IO-APIC-edge rtc
12: 3 0 IO-APIC-edge i8042, i8042, i8042, i8042
15: 10 1 IO-APIC-edge ide1
18: 0 0 IO-APIC-level EMU10K1
19: 8366 0 IO-APIC-level uhci-hcd
20: 1306 0 IO-APIC-level eth0
22: 30753 965 IO-APIC-level aic7xxx
23: 0 0 IO-APIC-level uhci-hcd
NMI: 0 0
LOC: 649138 649349
ERR: 0
MIS: 0
and about 30 seconds later ( mail checking )
# cat /proc/interrupts
CPU0 CPU1
0: 73897 676905 IO-APIC-edge timer
1: 3571 18 IO-APIC-edge i8042
2: 0 0 XT-PIC cascade
3: 177 0 IO-APIC-edge serial
8: 1 0 IO-APIC-edge rtc
12: 3 0 IO-APIC-edge i8042, i8042, i8042, i8042
15: 10 1 IO-APIC-edge ide1
18: 0 0 IO-APIC-level EMU10K1
19: 15866 0 IO-APIC-level uhci-hcd
20: 1377 0 IO-APIC-level eth0
22: 34408 965 IO-APIC-level aic7xxx
23: 0 0 IO-APIC-level uhci-hcd
NMI: 0 0
LOC: 748312 748523
ERR: 0
MIS: 0
Is this what you are looking for ? and are the values changes meaningful ?
Thanks,
Philippe
next prev parent reply other threads:[~2003-04-19 13:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-18 23:58 Philippe Gramoullé
2003-04-19 0:51 ` Andrew Morton
2003-04-19 13:39 ` Philippe Gramoullé [this message]
2003-04-19 20:38 ` Andrew Morton
2003-04-22 10:06 ` Philippe Gramoullé
2003-04-22 10:32 ` Arjan van de Ven
2003-04-23 19:41 ` Bill Davidsen
2003-04-23 20:13 ` Zwane Mwaikambo
2003-04-24 21:32 ` Bill Davidsen
2003-04-25 9:03 ` Arjan van de Ven
2003-04-23 20:15 ` Andrew Morton
2003-04-19 1:03 Nakajima, Jun
2003-04-19 12:21 Chuck Ebbert
2003-04-19 13:14 ` Philippe Gramoullé
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