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SubjectRe: [patch-mm 00/25] High resolution timer updates and x86_64 support - V2
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On Sat, 16 Jun 2007 10:36:00 -0000, Thomas Gleixner said:
> The following patch series contains:
>
> - dyntick bugfixes for -mm (caused by the cpuidle changes in ACPI)
>
> - updates and improvements to high resolution timer / dynticks
>
> - high resolution timer / dynticks support for x86_64

Am running with the 22-rc4-mm2-hrt4 patch on my Latitude D820. Mostly seems
to work, but for some reason the Intel 'powertop' util thinks it's 100% busy:

PowerTOP version 1.7 (C) 2007 Intel Corporation

Cn Avg residency (5s) P-states (frequencies)
C0 (cpu running) (100.0%)
C1 0.0ms ( 0.0%) 2.00 Ghz 0.0%
C2 0.0ms ( 0.0%) 1.67 Ghz 0.0%
C3 0.0ms ( 0.0%) 1333 Mhz 0.0%
1000 Mhz 100.0%

In reality:

[/sys/devices/system/cpu/cpu0/cpuidle] for i in */*; do echo -n "$i: "; cat $i; done
state0/latency: 1
state0/power: 1000
state0/time: 0
state0/usage: 3
state1/latency: 1
state1/power: 500
state1/time: 1756017623
state1/usage: 1837402
state2/latency: 57
state2/power: 100
state2/time: -159524787
state2/usage: 15007443

I think we have a 32/64 bit issue on state2/time which is probably borking
things up....

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