[lttng-dev] make a trace_event in a modul (driver)

Klaus Dannecker klaus.dannecker at gmx.de
Sun Nov 24 06:43:49 EST 2013


Am 22.11.2013 19:54, schrieb Thibault, Daniel:
>> how can I define a "tracing"group , so I no longer need the sudo command?
> $ sudo addgroup --system tracing
> $ sudo adduser username tracing
>
> You must log off and back on for group membership to be activated.
>
> You may also want to add lttng-sessiond as a service:
>
> $ sudo ln --symbolic /lib/init/upstart-job /etc/init.d/lttng-sessiond
>
> And create /etc/init/lttng-sessiond.conf containing:
>
> description "LTTng central tracing registry session daemon"
> author "Stéphane Graber <stgraber at ubuntu.com>"
> start on local-filesystems
> stop on runlevel [06]
> respawn
> exec lttng-sessiond
>
> You can then start the session daemon with 'sudo service lttng-sessiond start' (stop it with 'stop', restart with 'restart').
Thanks, now it works
but when i
$ lttng create
$ lttng enable-event -k -a
$ lttng start
so, the function does not return!
only 'strg c' terminated the fuktion.

the same by
$ lttng stop
and
$ lttng destroy

but
$ lttng create
$ lttng enable-event -u -a
$ lttng start
$ lttng stop
$ lttng destroy
-> works

how can i remove all installed lttng_modules,
so that I can start again from the beginning?

Thanks
Klaus
sorry, i am a linux beginner

> Daniel U. Thibault
> Protection des systèmes et contremesures (PSC) | Systems Protection & Countermeasures (SPC)
> Cyber sécurité pour les missions essentielles (CME) | Mission Critical Cyber Security (MCCS)
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