Re: [RFC] sched_clock: Track monotonic raw clock

[Peter Zijlstra]

On Fri, Jul 18, 2014 at 10:51:19AM -0700, John Stultz wrote:
> Very cool work! I've not been able to review it carefully, but one good
> stress test would be to pick a system where the hardware used for
> sched_clock is different from the hardware used for timekeeping.
> 
> Probably easily done on x86 hardware that normally uses the TSC, but has
> HPET/ACPI PM hardware available. After the system boots, change the
> clocksource via:
> /sys/devices/system/clocksource/clocksource0/current_clocksource

Note that x86 uses none of the code patched.
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