doc/examples/trigger-condition-event-matches/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 if ! lttng list > /dev/null 2>&1; then
  12     echo "Could not connect to session daemon, are you sure it is running?"
  13     exit 1
  14 fi
  15
  16 echo "Registering a notification trigger named \"$TRIGGER_NAME\" for the $EVENT_NAME user-space event"
  17 lttng add-trigger --name $TRIGGER_NAME \
  18         --condition event-rule-matches \
  19         --domain=user \
  20         --name=$EVENT_NAME \
  21         --action notify
  22
  23
  24 echo "Registering a notification trigger named \"$TRIGGER_NAME_CAPTURE\" for the $EVENT_NAME user-space event with payload capture"
  25 lttng add-trigger --name $TRIGGER_NAME_CAPTURE \
  26         --condition event-rule-matches \
  27         --domain=user \
  28         --name=$EVENT_NAME \
  29         --capture 'iteration' \
  30         --capture 'does_not_exist' \
  31         --capture '$ctx.vtid' \
  32         --capture '$ctx.procname'\
  33         --action notify
  34
  35 ./notification-client $TRIGGER_NAME $TRIGGER_NAME_CAPTURE