snow wrote:
Thanks.But I don't know how to start kmdb
This is much more risky than the alternatives
(dtrace, a printf in your module, deducing the execution
of your module because it must have been written to do
something useful).
man kmdb
will provide the details.
the summary is:
as root utter:
mdb -K
(you will get the kmdb prompt)
your_module_symbol:b
:c
you now have a breakpoint set at your_module_symbol.
When the instruction at that that address is executed,
kmdb will be re-entered with a message indicating that
you hit the breakpoint.
You can remove the breakpoint by uttering
your_module_symbol:d
:c
which will remove the breakpoint and continue.
-sarito
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