[ltt-dev] simultaneous lttng kerner tracer and userspace tracer

MEKEZE KWATCHO, PATRICK (PATRICK) patrick.mekeze_kwatcho at alcatel-lucent.com
Thu Jun 10 07:58:12 EDT 2010


Yes, the ltt_userspace_event module is loaded.
I have made a file to load all my ltt modules at the boot time and I have verified that the ltt_userspace_event is loaded.

Thank
Patrick

-----Message d'origine-----
De : Holger brunck [mailto:holger.brunck at keymile.com] 
Envoyé : jeudi 10 juin 2010 13:54
À : MEKEZE KWATCHO, PATRICK (PATRICK)
Cc : ltt-dev at lists.casi.polymtl.ca
Objet : Re: [ltt-dev] simultaneous lttng kerner tracer and userspace tracer

Hi,

On 06/10/2010 01:50 PM, MEKEZE KWATCHO, PATRICK (PATRICK) wrote:
> 
> Yes, I see well the kernel event and the testprogramm process when I analyze the trace1 get with $ lttctl -C -w /tmp/trace1 trace1
> 
> I also think that is it possible to start a userspace trace without using the usttrace tool.
> When I run $usttrace ./testprogramm and $ lttctl -C -w /tmp/trace1 trace1, I saw on the lttv-gui all the kernel event, but i didn't see my userspace event.
> Among the process, both usttrace and testprogramm are present.
> 

hm, is the ltt_userspace_event kernel module loaded?

Regards
Holger




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