Timer library

Russ Allbery rra at stanford.edu
Tue Feb 6 07:46:07 UTC 2001

Fabien Tassin <fta at sofaraway.org> writes:

> several points here.. not everybody is running Solaris. purify is
> commercial and run on a limited set of OSes. a built-in profiler has a
> lot of advantages like the ability to be always active with a reduced
> cost, to be started/stopped without having to stop the service and
> without having to recompile everything again and again.

> I don't say that a real profiler is not useful but our small timer has
> proven its interest.. well, I think so.

I completely agree.  While the resolution is course, once you've run a lot
of INN setups and seen a lot of INN setups, even the timer that we have
already tells you a lot about what's going on.  We've used it extensively
to decide where to optimize, and I've been able to debug problems on
news.software.nntp just based on timer statistics.

Russ Allbery (rra at stanford.edu)             <http://www.eyrie.org/~eagle/>

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