Re: [linux-audio-user] Low latency with 2.6.16.16 vanilla

From: Wolfgang Woehl <tito@email-addr-hidden>
Date: Sat May 27 2006 - 07:53:08 EEST

Wednesday 24 May 2006 17:24, Jack O'Quin:

> The required components are now available, and are being provided
> by a few leading-edge distributions. Had you installed Ubuntu Dapper
> Drake (which is not yet officially released), you would not have seen
> any problem. They chose to include the PAM patches and authorize
> all users to start realtime threads be default. That is a reasonable
> choice for them (given their goals), but would not be appropriate for
> most other distributions.

I thought a realtime-scheduling kernel gives well-defined portions of time and
system resources to processes. Why does that mean userland could dos the
kernel? Is there no kernel watchdog that would kick out processes with
excessive demands? Does the kernel not keep a book for it's own needs?

-- 
Wolfgang
Received on Fri May 26 08:15:05 2006

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