From mboxrd@z Thu Jan  1 00:00:00 1970
From: pierre-marc.fournier@polymtl.ca (Pierre-Marc Fournier)
Date: Wed, 11 Mar 2009 13:51:42 -0400
Subject: [ltt-dev] to find all the tracepoints by the
 __start___tracepoints and __stop___tracepoints
In-Reply-To: <abc09c160903111036n3416d43fx5dde88ed86bac877@mail.gmail.com>
References: <abc09c160903111036n3416d43fx5dde88ed86bac877@mail.gmail.com>
Message-ID: <49B7FA2E.5080900@polymtl.ca>

Hello,

These symbols are automatically placed by the linker at the boundaries
of the __tracepoints section.

This magic is done in the linker script.

pmf

long xu wrote:
> Hello,
> 
> I find when we use the fuction "tracepoint_update_probe_range", it usese
> the "__start___tracepoints" and "__stop___tracepoints" to find all of
> the tracepoints. But i don't find where it do the initialisation of the
> "__start___tracepoints" and "__stop___tracepoints". How can they point
> the first tracepoint and the last point?
> 
> Thanks,
> 
> Best Regard,
> 
> Long XU
> 
> 
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