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SubjectRe: [BISECTED] 2.6.35.*: horrible (exponential? >linear) slowdown to unusability (HPET)
On 10 Sep 2010, Artur Skawina spake thusly:
> I'm seeing this too, except here it happens every couple of days of uptime,
> lasts for a few minutes, and then goes away. Which made bisecting a bit
> impractical... Thank you for doing it.

I just happened to be the lucky sod for whom it was consistently going
wrong. :)

> HW is similar; x64 and X58/82801JI/ICH10, tsc clocksrc.
> Did that printk trigger?


(hm, odd.

spindle:~# cat /sys/devices/system/clocksource/clocksource0/current_clocksource

spindle:~# grep -i tsc /proc/timer_list
spindle:~# grep -i hpet /proc/timer_list
Clock Event Device: hpet
set_next_event: hpet_legacy_next_event
set_mode: hpet_legacy_set_mode

I suspect current_clocksource doesn't do what we think it does, or the
clocksource and 'clock event device' are not the same.)

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