"Richard B. Gilbert" <[EMAIL PROTECTED]> writes: > David D. Hagood wrote: >
[...] > Linux has been known to have timekeeping problems due to losing clock > interrupts. Each lost interrupt can introduce an error of one or ten > milliseconds. If the kernel parameter HZ is set to 1000, the clock ticks 1000 > time a second and the system is likeliest to lose interrupts. It works much > better if HZ is set to 100. I'd like to object: Some long time ago someone (I can't remember) made a test over an extended period of time showing that Linux did not loose a single interrupt. However depending on the drivers and crappy hardware (not to talk about CPU frequency scaling and ACPI's various power saving modes), the system may loose interrupts. For any hardware there is a rate of interrupts that cannot be handled. For my 16MHz 386SX that rate was quite low. Regards, Ulrich _______________________________________________ questions mailing list [email protected] https://lists.ntp.isc.org/mailman/listinfo/questions
