Re: [BISECTED] 2.6.35.*: horrible (exponential? >linear) slowdownto unusability (HPET)

From: Damien Wyart
Date: Fri Sep 10 2010 - 03:47:28 EST


> (hm, odd.
>
> spindle:~# cat /sys/devices/system/clocksource/clocksource0/current_clocksource
> tsc
>
> 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.)

Yes, same here. When saying I was using tsc in my previous mail, I had
run the first command only, but when running the other two, I get the
same results than you, so HPET seems to be used too.

--
Damien Wyart
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