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Re: extent-patch and overview of what is supposed to follow
Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
> - I'm not sure you want to have dtrace running on a production server.
> KMEMSTATS is more than pure debugging purpose, it also helps with
> tuning, and figuring out temporary overload.
DTrace was *designed* as suitable for production systems.
It does not require to compile a debug kernel, which requires reboot and
may be expensive to run. Unlike other debug facilities, dynamic probing
does not change the function body - it is binary patching of entry/exit
points and it is only temporarily while probing.
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