tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: rfc: high-resolution timer framework

On Wed, Aug 06, 2008 at 12:18:33AM +0100, David Laight wrote:
> The 'timer wheel' implementation is very efficient for the majority of
> timers, especially for 'guard' timers in protocol code that are started
> and then usually cancelled (often almost immediately) and rarely expire.

Independent of what to use, I think the behavior of constant cancelling
the timer should be changed for most drivers. Even for time wheels it is
cheaper to just keep the timer running.


Home | Main Index | Thread Index | Old Index