From: Steven Rostedt <rostedt@goodmis.org>
To: Erlon Cruz <sombrafam@gmail.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Ftracing in linux kernel
Date: Fri, 25 Feb 2011 14:34:03 -0500 [thread overview]
Message-ID: <1298662443.6376.20.camel@gandalf.stny.rr.com> (raw)
In-Reply-To: <AANLkTimG7QacpnfC24QH9-QzQVTLT+xEU8Vhk1x6vq2Q@mail.gmail.com>
On Mon, 2011-02-21 at 11:21 -0300, Erlon Cruz wrote:
> Hi folks,
>
> I've configured my kernel(2.6.35) to support ftrace*. Everything
> seems to be ok. After I mounted the debugfs folder I can find all
> tracing stuffs there. The problem is not of all functions on my module
> seems to be listed in the funtions supported for tracing. In the file
> available_filter_functions that suppose to list all functions traced,
> only show 4 or 5 functions of my module. Does anyone knows why some
> functions are not listed?
Are those functions inlined? If gcc inlines a function (regardless if
you say to or not) it will not be traced. If you want to trace them just
force them to not inline with "noinline".
-- Steve
prev parent reply other threads:[~2011-02-25 19:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <AANLkTinDf2odDs2a9Wc0d4T8hxV6sj5GmgOs_p_3VHQP@mail.gmail.com>
2011-02-21 14:21 ` Erlon Cruz
2011-02-25 19:34 ` Steven Rostedt [this message]
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