* Lee Revell <[EMAIL PROTECTED]> [050201 12:20]: > On Thu, 2005-01-27 at 13:29 -0800, Tony Lindgren wrote: > > Hi all, > > > > Thanks for all the comments, here's an updated version of the dynamic > > tick patch. > > Hi, > > I was wondering how Windows handles high res timers, if at all. The > reason I ask is because I have been reverse engineering a Windows ASIO > driver, and I find that if the latency is set below about 5ms, by > examining the kernel timer queue with SoftICE I can see that several > kernel timers with 1ms period are created. (Presumably the sound card's > interval timer is used for longer periods). > > But, I have seen people mention in the "singing capacitor" threads on > this list that Windows uses 100 for HZ. > > So, how do they implement 1ms timers with a 10ms tick rate? Does > Windows dynamically reprogram the PIT as well?
No idea, but it would probably show up by adding some debug code some an emulator like Bochs? Tony - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
