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SubjectRe: Q:Howto benchmark preemptible kernel ?

--- Andrew Morton <> wrote:

> None of these patches make any significant
> difference
> to throughput of anything, really.

Shell scripts and related tools (i.e. make) run

> If you have a particular latency-sensitive
> application then
> that's the thing which you should be testing with.

Gcc seems to be a "latency-sensitive application"
because it runs faster (but it could be the mm
improvements in kernel 2.4 -- i have't use a
non-preemptible kernel from a long time )

> There's a modified version of Mark Hahn's `realfeel'
> app in
> which I find to be a convenient way of
> quantitatively
> determining latencies. There are some grubby
> scripts
> in there which create graphical output too.

I'll give it a try.

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