From: fche@redhat.com (Frank Ch. Eigler)
To: voyager1983 <wang.yongzhi2009@gmail.com>
Cc: systemtap@sourceware.org
Subject: Re: Can kernel.statement access the function argument?
Date: Mon, 11 Apr 2011 17:40:00 -0000 [thread overview]
Message-ID: <y0mwrj0ivbv.fsf@fche.csb> (raw)
In-Reply-To: <31356706.post@talk.nabble.com> (wang.yongzhi2009@gmail.com's message of "Fri, 8 Apr 2011 17:37:34 -0700 (PDT)")
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
next prev parent reply other threads:[~2011-04-11 17:40 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 [this message]
2011-04-20 12:34 ` voyager1983
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