Add trigger on event rule matches application example

[lttng-tools.git] / doc / examples / trigger-condition-event-matches / demo.sh

#!/bin/bash
#
# Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
#
# SPDX-License-Identifier: MIT

EVENT_NAME=trigger_example:my_event
TRIGGER_NAME=demo_trigger
TRIGGER_NAME_CAPTURE=demo_trigger_capture

if ! lttng list > /dev/null 2>&1; then
    echo "Could not connect to session daemon, are you sure it is running?"
    exit 1
fi

echo "Registering a notification trigger named \"$TRIGGER_NAME\" for the $EVENT_NAME user-space event"
lttng add-trigger --name $TRIGGER_NAME \
	--condition event-rule-matches \
	--domain=user \
	--name=$EVENT_NAME \
	--action notify


echo "Registering a notification trigger named \"$TRIGGER_NAME_CAPTURE\" for the $EVENT_NAME user-space event with payload capture"
lttng add-trigger --name $TRIGGER_NAME_CAPTURE \
	--condition event-rule-matches \
	--domain=user \
	--name=$EVENT_NAME \
	--capture 'iteration' \
	--capture 'does_not_exist' \
	--capture '$ctx.vtid' \
	--capture '$ctx.procname'\
	--action notify

./notification-client $TRIGGER_NAME $TRIGGER_NAME_CAPTURE