Re: [linux-audio-dev] Re: Scheduler ( was: Just a second ) ...

2001-12-25 Thread Stefan Nitschke
> >And I suspect that the app writer just didn't even realize what he did. He >may have used another sound card that didn't even allow small fragments. > > Linus Oh yes and i remember very well how you told us on kernel.org some time ago that it is up to the user space application

[linux-audio-dev] Re: Scheduler ( was: Just a second ) ...

2001-12-18 Thread Linus Torvalds
On Tue, 18 Dec 2001, Roger Larsson wrote: > > Lets see: we have >1 GHz CPU and interrupts at >1000 Hz > => 1 Mcycle / interrupt - is that insane? Ehh.. First off, the CPU may be 1GHz, but the memory subsystem, and the PCI subsystem definitely are _not_. Most PCI cards still run at a (comparativ

[linux-audio-dev] Re: Scheduler ( was: Just a second ) ...

2001-12-18 Thread Herman Oosthuysen
My tuppence worth from a real-time embedded perspective: A shorter time slice and other real-time improvements to the scheduler will certainly improve life to the embedded crowd. Bear in mind that 90% of processors are used for embedded apps. Shorter time slices etc. means smaller buffers, less

[linux-audio-dev] Re: Scheduler ( was: Just a second ) ...

2001-12-18 Thread Roger Larsson
This might be of interest on linux-audio-dev too... On Tuesday den 18 December 2001 07.09, Linus Torvalds wrote: > On Mon, 17 Dec 2001, William Lee Irwin III wrote: > > 5: 46490271 XT-PIC soundblaster > > > > Approximately 4 times more often than the timer interrupt. > > That's not