Running Click on SGI IRIX/Linux
Eddie Kohler
kohler at icir.org
Wed Jan 29 16:18:31 EST 2003
Hi Manohar,
> Thanks for the info. I am considering whether and how to use Click for
> my project. One more quick question - if Click is run at user level,
> what percentage of time does it spend in OS routines? Is it approaching
> 100%, or is it much less than that?
It depends on what application you're running. A TCPdump-like
configuration, like the following --
FromDevice(eth1, FORCE_IP true) -> IPPrint -> Discard;
spends all its time in select():
% time click /tmp/x
0.000u 0.000s 0m10.71s 0.00%
But one can run CPU-intensive Click scripts as well.
Eddie
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