From: voyager1983 <wang.yongzhi2009@gmail.com>
To: systemtap@sourceware.org
Subject: Re: Can kernel.statement access the function argument?
Date: Wed, 20 Apr 2011 12:34:00 -0000 [thread overview]
Message-ID: <31440858.post@talk.nabble.com> (raw)
In-Reply-To: <y0mwrj0ivbv.fsf@fche.csb>
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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prev parent reply other threads:[~2011-04-20 12:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-08 3:52 voyager1983
2011-04-08 15:51 ` William Cohen
2011-04-09 0:37 ` voyager1983
2011-04-11 17:40 ` Frank Ch. Eigler
2011-04-20 12:34 ` voyager1983 [this message]
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