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Message-Id: <20070329214316.M53680@chilan.com>
Date: Thu, 29 Mar 2007 23:43:28 +0200
From: "Grzegorz Chwesewicz" <grzegorz.chwesewicz@...lan.com>
To: Andi Kleen <ak@...e.de>, "Mark Langsdorf" <mark.langsdorf@....com>
Cc: "Len Brown" <lenb@...nel.org>,
"Linus Torvalds" <torvalds@...ux-foundation.org>,
"Morrow, William" <William.Morrow@....com>,
"Crouse, Jordan" <jordan.crouse@...mail.amd.com>,
"Thomas Gleixner" <tglx@...utronix.de>,
"Pavel Machek" <pavel@....cz>, "Ingo Molnar" <mingo@...e.hu>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
"Nick Piggin" <nickpiggin@...oo.com.au>,
"Mingming Cao" <cmm@...ibm.com>, "Adrian Bunk" <bunk@...sta.de>,
"Andrew Morton" <akpm@...ux-foundation.org>,
"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>,
"Mariusz Kozlowski" <m.kozlowski@...land.pl>,
"Oliver Pinter" <oliver.pntr@...il.com>,
"Sid Boyce" <g3vbv@...eyonder.co.uk>,
"Nick Piggin" <npiggin@...e.de>,
"Jens Axboe" <jens.axboe@...cle.com>,
"Thomas Renninger" <trenn@...e.de>
Subject: Re: [PATCH] i386: add command line option "local_apic_timer_c2_ok"
On Thu, 29 Mar 2007 22:49:37 +0200, Andi Kleen wrote
> > Reviewed but not tested. Needs to be wrapped in an AMD specific
> > call.
>
> Here's a patch. I don't have a system with C1E, so i only tested that
> the apic timer still works on a older AMD box.
>
> Would be good if someone with a Turion laptop, especially the HP nx6325
> could test it with CONFIG_NO_HZ enabled.
I have nx6325 with Turion.
ensima-hp linux-2.6 # cat .config|grep NO_HZ
CONFIG_NO_HZ=y
After patching system works ok on battery and on AC.
On battery:
cat /proc/interrupts
CPU0 CPU1
0: 115771 0 local-APIC-edge-fasteoi timer
1: 508 1 IO-APIC-edge i8042
8: 1 1 IO-APIC-edge rtc
12: 147 2 IO-APIC-edge i8042
14: 36 1 IO-APIC-edge ide0
16: 0 1 IO-APIC-fasteoi yenta, sdhci:slot0
17: 4538 116 IO-APIC-fasteoi eth0
18: 1697 6 IO-APIC-fasteoi libata, HDA Intel
19: 50 1 IO-APIC-fasteoi ohci_hcd:usb1, ohci_hcd:usb2,
ehci_hcd:usb3
21: 30 9 IO-APIC-fasteoi acpi
NMI: 0 0
LOC: 0 115601
ERR: 1
MIS: 0
sleep 10
CPU0 CPU1
0: 125777 0 local-APIC-edge-fasteoi timer
1: 509 1 IO-APIC-edge i8042
8: 1 1 IO-APIC-edge rtc
12: 147 2 IO-APIC-edge i8042
14: 36 1 IO-APIC-edge ide0
16: 0 1 IO-APIC-fasteoi yenta, sdhci:slot0
17: 4749 116 IO-APIC-fasteoi eth0
18: 1704 6 IO-APIC-fasteoi libata, HDA Intel
19: 50 1 IO-APIC-fasteoi ohci_hcd:usb1, ohci_hcd:usb2,
ehci_hcd:usb3
21: 30 9 IO-APIC-fasteoi acpi
NMI: 0 0
LOC: 0 125607
ERR: 1
MIS: 0
#######################################
On AC:
cat /proc/interrupts
CPU0 CPU1
0: 261 0 local-APIC-edge-fasteoi timer
1: 346 1 IO-APIC-edge i8042
8: 1 1 IO-APIC-edge rtc
12: 147 2 IO-APIC-edge i8042
14: 36 1 IO-APIC-edge ide0
16: 0 1 IO-APIC-fasteoi yenta, sdhci:slot0
17: 1135 115 IO-APIC-fasteoi eth0
18: 1620 6 IO-APIC-fasteoi libata, HDA Intel
19: 50 1 IO-APIC-fasteoi ohci_hcd:usb1, ehci_hcd:usb2,
ohci_hcd:usb3
21: 24 9 IO-APIC-fasteoi acpi
NMI: 0 0
LOC: 7562 9007
ERR: 0
MIS: 0
sleep 10
CPU0 CPU1
0: 261 0 local-APIC-edge-fasteoi timer
1: 347 1 IO-APIC-edge i8042
8: 1 1 IO-APIC-edge rtc
12: 147 2 IO-APIC-edge i8042
14: 36 1 IO-APIC-edge ide0
16: 0 1 IO-APIC-fasteoi yenta, sdhci:slot0
17: 1411 115 IO-APIC-fasteoi eth0
18: 1627 6 IO-APIC-fasteoi libata, HDA Intel
19: 50 1 IO-APIC-fasteoi ohci_hcd:usb1, ehci_hcd:usb2,
ohci_hcd:usb3
21: 24 9 IO-APIC-fasteoi acpi
NMI: 0 0
LOC: 7592 9184
ERR: 0
MIS: 0
--
Greetings - CeHo - Grzegorz Chwesewicz
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