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SubjectRe: -rt doesn't compile for UML

* Miklos Szeredi <miklos@szeredi.hu> wrote:

> When writing a big file to a ubd disk, everything in uml slows down to
> a crawl, even though CPU usage is minimal.
>
> So I wanted to try the latency tracer from -rt, but it doesn't compile
> with UML:

note that there are standalone patches as well:

http://people.redhat.com/mingo/latency-tracing-patches/

so there's no forced need to use -rt.

> Ingo, do you think this route is worthwhile pursuing, or is it too
> difficult to make -rt work for UML?

-rt should work for UML as well - but it needs porting (as every
architecture).

Ingo
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