Can kernel.statement access the function argument?

voyager1983 wang.yongzhi2009@gmail.com
Wed Apr 20 12:34:00 GMT 2011


I see. Many thanks!

Joey

Frank Ch. Eigler wrote:
> 
> voyager1983 <wang.yongzhi2009@gmail.com> writes:
> 
>> What I am about to probe is actually the statement   
>> ret = action->handler(irq, action->dev_id);
>> [...]
>> stap -L 'kernel.statement("handle_IRQ_event@kernel/irq/handle.c:376")'
>> It returns nothing.
> 
> That's partly because the handle_IRQ_event function is blacklisted due
> to some historical incompatibility with kernel kprobes.  You may try
> again with stap -g ...
> 
> - FChE
> 
> 

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