On Fri, Feb 22, 2008 at 5:55 AM, Florian <[EMAIL PROTECTED]> wrote: > > But the laptop is not running realtime linux is it? It has > sure it is... > > > > loads of potential latencies and stuff demanding the system's > > attention-- page swapping, program swapping, etc. So why would > > you think that it would work on Linux without underruns? If > > you wnat 1ms latencies, your computer must be feading the > > beast at least every .1ms with no interruptions longer than > > 1ms. That is not many samples in your buffer. I have no idea > > if alsa can be made to work that way. > > basically we have that setup working on a workstation, so why > shouldn't it work on a laptop? Actually, my collegues here > "think" in guaranteed time slices in the microsecond or even > nanosecond range. For them, 1 millisecond is an eternity where A > LOT can be done on modern processors :)
Because laptops often use SMM traps to poll battery and fan status which can tie up the CPU for several milliseconds. The vast majority of laptops are simply not designed for low latency work. Good luck, Lee ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
