doc/examples/trigger-on-event/demo.sh

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   4 #
   5 # SPDX-License-Identifier: MIT
   6
   7 EVENT_NAME=trigger_example:my_event
   8 TRIGGER_NAME=demo_trigger
   9 TRIGGER_NAME_CAPTURE=demo_trigger_capture
  10
  11 lttng list > /dev/null 2>&1
  12 if [ $? -ne 0 ]; then
  13     echo "Could not connect to session daemon, are you sure it is running?"
  14     exit 1
  15 fi
  16
  17 echo "Registering a notification trigger named \"$TRIGGER_NAME\" for the $EVENT_NAME user-space event"
  18 lttng add-trigger --id $TRIGGER_NAME --condition on-event --userspace $EVENT_NAME --action notify
  19 lttng add-trigger --id $TRIGGER_NAME_CAPTURE --condition on-event --userspace $EVENT_NAME --capture 'iteration' --capture 'does_not_exist' --capture '$ctx.vtid' --capture '$ctx.procname' --action notify
  20
  21 ./notification-client $TRIGGER_NAME $TRIGGER_NAME_CAPTURE
  22