intlat is a tool for measuring how long the kernel spends with
interrupts disabled.
It is similar to the tool which Jun Sun at MontaVista announced a few
days ago.
Salient differences:
- Jun's tool is for 2.2.14. intlat is for 2.3.99-pre3.
- Jun's tool is for UP. intlat is SMP-aware.
- Jun's tool is probably more accurate. I have some constant-time
offsets which I'm not very motivated to tune.
The patch and documentation are available at
http://www.uow.edu.au/~andrewm/linux/
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This archive was generated by hypermail 2b29 : Fri Mar 31 2000 - 21:00:15 EST