[lttng-dev] liblttng-ust-cyg-profile.so not found

Suchakrapani Datt Sharma suchakrapani.sharma at polymtl.ca
Tue Jan 28 12:29:43 EST 2014

Check if the liblttng-ust-cyg-profile.so is present in system using 'locate'. On
my system its in /usr/lib64

Then give the absolute path -

*LD_PRELOAD=/usr/lib64/liblttng-ust-cyg-profile.so* appname

This works for me.


Quoting Shariyar <syed.shariyar at gmail.com>:

> Hi,
> I am trying to collect function entry and exit points in a trace. I  have
> followed the instructions written on the following man page:
> http://manpages.ubuntu.com/manpages/trusty/man3/lttng-ust-cyg-profile.3.html.
> In my system, UST tracepoint tracing  is working fine and I am able to
> collect traces with the statically typed tracepoints in the code. However,
> there is no liblttng-ust-cyg-profile.so in my system and I get an error
> when I execute the following:
>        *LD_PRELOAD=liblttng-ust-cyg-profile.so* appname
> Please let me know how to get it to work?
> Thanks,
> Shariyar

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