Re: [linux-audio-dev] Re: POSIX caps/realtime/root processes

2003-11-28 Thread Kjetil Svalastog Matheussen
Roger Larsson: > > > > So how is the low-latency situation for 2.6? I did install 2.6 on > > > > my private machine, but was not able to get better performance > > > > than 2.4 with ll+pre (kicked out of jack-graph pretty soon with 128 > > > > frames period). Is there a trick to get better lowlate

Re: [linux-audio-dev] Re: POSIX caps/realtime/root processes

2003-11-27 Thread Roger Larsson
On Thursday 27 November 2003 13.42, Kjetil Svalastog Matheussen wrote: > On Thu, 27 Nov 2003, Martijn Sipkema wrote: > > [...] > > > > > So how is the low-latency situation for 2.6? I did install 2.6 on > > > my private machine, but was not able to get better performance > > > than 2.4 with ll+pre

Re: [linux-audio-dev] Re: POSIX caps/realtime/root processes

2003-11-27 Thread Kjetil Svalastog Matheussen
On Thu, 27 Nov 2003, Martijn Sipkema wrote: > [...] > > So how is the low-latency situation for 2.6? I did install 2.6 on > > my private machine, but was not able to get better performance > > than 2.4 with ll+pre (kicked out of jack-graph pretty soon with 128 > > frames period). Is there a tric

Re: [linux-audio-dev] Re: POSIX caps/realtime/root processes

2003-11-27 Thread Kjetil Svalastog Matheussen
On Wed, 26 Nov 2003, Jack O'Quin wrote: > Kjetil Svalastog Matheussen <[EMAIL PROTECTED]> writes: > > > I still like a module idea though. I dont see the point of > > patching the kernel with the security module interface, except for the > > security. What I would like, though, is: > > This idea

Re: [linux-audio-dev] Re: POSIX caps/realtime/root processes

2003-11-26 Thread Jack O'Quin
Kjetil Svalastog Matheussen <[EMAIL PROTECTED]> writes: > I still like a module idea though. I dont see the point of > patching the kernel with the security module interface, except for the > security. What I would like, though, is: This idea makes sense. If there is a requirement for clean, on-

Re: [linux-audio-dev] Re: POSIX caps/realtime/root processes

2003-11-26 Thread Kjetil Svalastog Matheussen
On Tue, 25 Nov 2003, Jack O'Quin wrote: > So, my feeling is that the best approach is... > > (1) LSM for 2.6. > > This is something we might ask multimedia distributions to > distribute, enabling an optional turn-key solution for realtime > audio. > > (2) An interface-compatible variant

Re: [linux-audio-dev] Re: POSIX caps/realtime/root processes

2003-11-25 Thread Fernando Pablo Lopez-Lezcano
> The Linux Security Module (LSM) interface is a standard part of 2.6. > There actually is a backport of the security modules patch to 2.4 on > the NSA site for SELinux. But, it is quite large and I doubt many > people would want to apply it for running realtime audio. It depends on whether it in

Re: [linux-audio-dev] Re: POSIX caps/realtime/root processes

2003-11-25 Thread Jack O'Quin
Kjetil Svalastog Matheussen <[EMAIL PROTECTED]> writes: > > I did this as a baseline before adding the `realtimegroup' logic we > >discussed last week. I think I'll attempt that next, after fixing > >the SCHED_RR omission. > > I thought about hacking together those additions after it was posted,

[linux-audio-dev] Re: POSIX caps/realtime/root processes

2003-11-25 Thread Kjetil Svalastog Matheussen
On Tue, 24 Nov 2003, Jack O'Quin wrote: > > Kjetil Svalastog Matheussen <[EMAIL PROTECTED]> writes: > > > I couldn't wait til you found it, so I wrote one from scratch instead. :) > > > The url below point to a hackish patch againt 2.4.23-rc1, and yes, it is > > > very simple. Works by setting /

[linux-audio-dev] Re: POSIX caps/realtime/root processes

2003-11-24 Thread Jack O'Quin
Kjetil Svalastog Matheussen <[EMAIL PROTECTED]> writes: > > I couldn't wait til you found it, so I wrote one from scratch instead. :) > > The url below point to a hackish patch againt 2.4.23-rc1, and yes, it is > > very simple. Works by setting /proc/sys/kernel/setschedandmlock to 1. > > http://ww

[linux-audio-dev] Re: POSIX caps/realtime/root processes

2003-11-16 Thread Kjetil Svalastog Matheussen
Paul Davis: > >Since mainstream capabilities support seems always to be somewhere > >over the horizon, I am interested in the patch Paul and Steve > >mentioned. IIUC, it defines a control file in /proc which, if > >enabled, allows any process access to scheduling and memory locking > >privileges.