gistfile1.txt

vagrant@vagrant-ubuntu-trusty-64:~$ lttng create sessionA
Session sessionA created.
Traces will be written in /home/vagrant/lttng-traces/sessionA-20150428-145141
vagrant@vagrant-ubuntu-trusty-64:~$ lttng list
Available tracing sessions:
  1) sessionA (/home/vagrant/lttng-traces/sessionA-20150428-145141) [inactive]
    Trace path: /home/vagrant/lttng-traces/sessionA-20150428-145141
    Live timer interval (usec): 0


Use lttng list <session_name> for more details
vagrant@vagrant-ubuntu-trusty-64:~$ lttng create sessionB
Session sessionB created.
Traces will be written in /home/vagrant/lttng-traces/sessionB-20150428-145150
vagrant@vagrant-ubuntu-trusty-64:~$ lttng enable-event -u -a
All UST events are enabled in channel channel0
vagrant@vagrant-ubuntu-trusty-64:~$ lttng list
Available tracing sessions:
  1) sessionB (/home/vagrant/lttng-traces/sessionB-20150428-145150) [inactive]
    Trace path: /home/vagrant/lttng-traces/sessionB-20150428-145150
    Live timer interval (usec): 0

  2) sessionA (/home/vagrant/lttng-traces/sessionA-20150428-145141) [inactive]
    Trace path: /home/vagrant/lttng-traces/sessionA-20150428-145141
    Live timer interval (usec): 0


Use lttng list <session_name> for more details
vagrant@vagrant-ubuntu-trusty-64:~$ lttng list sessionB
Tracing session sessionB: [inactive]
    Trace path: /home/vagrant/lttng-traces/sessionB-20150428-145150

=== Domain: UST global ===

Buffer type: per UID

Channels:
-------------
- channel0: [enabled]

    Attributes:
      overwrite mode: 0
      subbufers size: 131072
      number of subbufers: 4
      switch timer interval: 0
      read timer interval: 0
      trace file count: 0
      trace file size (bytes): 0
      output: mmap()

    Events:
      * (type: tracepoint) [enabled]

vagrant@vagrant-ubuntu-trusty-64:~$ lttng destroy sessionA
Session sessionA destroyed
vagrant@vagrant-ubuntu-trusty-64:~$ lttng list
Available tracing sessions:
  1) sessionB (/home/vagrant/lttng-traces/sessionB-20150428-145150) [inactive]
    Trace path: /home/vagrant/lttng-traces/sessionB-20150428-145150
    Live timer interval (usec): 0


Use lttng list <session_name> for more details
vagrant@vagrant-ubuntu-trusty-64:~$ lttng enable-event -k -a
Error: Can't find valid lttng config /home/vagrant/.lttngrc
Did you create a session? (lttng create <my_session>)
Error: Command error