Re: problems to use lttng

What versions of

lttng, lttv, ltt-control and ltt-usertrace are you using ?

* Rilson Nascimento ([email protected]) wrote:
> Hi there,
> 
> I'm experiencing this problem when using lttv:
> 
> # lttv -m textDump -t /tmp/trace
> 
> ** (process:4942): CRITICAL **: cannot open trace /tmp/trace
> /usr/local/bin/lttv: line 15:  4942 Segmentation fault      $0.real $*
> 
> Looking at the dmesg output (please, see attachment), it seems that I am
> losing events, but I don't know how to properly size the buffers (if this is
> the problem).
> All lttng modules are loaded and debugfs is properly mounted.
> 
> Could you guys help me to troubleshoot this problem?
> 
> thanks,
> 
> -Rilson


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-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
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