Re: Overview of concurrency managed workqueue

[Daniel Walker]

On Wed, 2010-06-16 at 20:31 +0200, Stefan Richter wrote:
> Daniel Walker wrote:
> [tweak scheduling priority of a worker thread]
> > Let say I have a high priority
> > thread in userspace , and I discover through analysis that my thread is
> > being forced to wait on a workqueue thread (priority inversion) , so
> > then I just increase the workqueue thread priority to overcome the
> > inversion. That's totally valid, and you don't even need to know exactly
> > what the thread is doing..
> 
> I suspect the _actual_ problem to solve here is not that of proper
> scheduling priorities but that of having to meet deadlines.

I think the workqueue would need to be adjust somehow even in terms of
deadlines. Like you'll miss your deadline unless the workqueue runs.

Daniel

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/