[ltt-dev] Markers from markers-userspace-0.6

[Mathieu Desnoyers]

The package markers-userspace-0.6 is deprecated with the new lttng
versions. The package UST will replace it, but meanwhile, an alternative
is to write to the /mnt/debugfs/ltt/write_event file.

You basically write a string to get traced as a kernel event.

Mathieu

* amazue (amazue at rotronics.com) wrote:
> 
> Hello,
> 
> I'm not sure I'm in the right place, but I'm missing something with
> markers-userspace-0.6.
> 
> When I run testprog, I see the markers creation, but both test_lib_mark
> and test_marker are disabled (from dmesg traces).
> 
> I can activate the two markers with ltt-armalluser which find them, but
> I am not able to enable them.
> 
> Of course I have compiled my kernel with CONFIG_LTT_USERSPACE_EVENT=y
> 
> What I did wrong?
> 
> Thanks.
> 
> Arnaud
> 
> 
> 
> -- 
> Arnaud Mazué.
> amazue at rotronics.com
> 
> Rotronics
> 39, Impasse de l'étang
> ZI des Dragiez
> 74800 la Roche sur Foron
> Tel :+33 (0) 450 030 859
> Fax :+33 (0) 450 030 597 
> 
> 
> 
> 
> 
> _______________________________________________
> ltt-dev mailing list
> ltt-dev at lists.casi.polymtl.ca
> http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev

-- 
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68