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SubjectRe: Scheduler ( was: Just a second ) ...
On Mon, 17 Dec 2001, Linus Torvalds wrote:

> The most likely cause is simply waking up after each sound interrupt: you
> also have a _lot_ of time handling interrupts. Quite frankly, web surfing
> and mp3 playing simply shouldn't use any noticeable amounts of CPU.

It must be noted that wking up a task is going to take two lock operations
( and two unlock ), one in try_to_wakeup() and the other one in schedule().
This double the frequency seen by the lock.

- Davide

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