Re: [PATCH] process cputimer is moving faster than itscorresponding clock

From: Olivier Langlois
Date: Sat Apr 27 2013 - 01:17:32 EST

> Also other factors to consider it is are you doing the test on a very
> loaded system? What is your platform?
> I have tested it positively on 32 bit, 64 bits build on Atom N450
> i7 first and second generation system.
> I did vary HZ from 300 to 1000 HZ, I tried the 3 three different
> preemption models.
> With all these combinations, I still have the problem.

Also clocksource accuracy may affect the result. Here are mines:

lano1106@hpmini ~ $
cat /sys/devices/system/clocksource/clocksource0/current_clocksource

lano1106@Wailaba2 ~/dev/linux/src/linux-3.8/kernel $
cat /sys/devices/system/clocksource/clocksource0/current_clocksource

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at