Messages in this thread | | | Subject | Re: [PATCH] x86: Export tsc related information in sysfs | From | john stultz <> | Date | Tue, 25 May 2010 17:48:08 -0700 |
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On Tue, 2010-05-25 at 20:16 -0400, Brian Bloniarz wrote: > On 05/24/2010 09:33 PM, Brian Bloniarz wrote: > > So what's wrong with just adding a > > /sys/devices/system/clocksource/clocksource0/tsc_khz? > > As an RFC: > > Add clocksource.sys_register & sys_unregister so the > current clocksource can add supplemental information to > /sys/devices/system/clocksource/clocksource0/ > > Export tsc_khz when current_clocksource==tsc so that > daemons like NTP can account for the variability of > calibration results.
I think this is a bad idea, as it creates an ABI that is arch AND machine specific, which will cause portability problems in applications that expect the interface to be there.
thanks -john
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