[lttng-tools.git] / tests / regression / tools / notification / test_notification_kernel

#!/bin/bash
#
# Copyright (C) 2017 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../../

TMPDIR=$(mktemp -d)

#This is needed since the testpoint create a pipe with the consumerd type suffixed
TESTPOINT_BASE_PATH=$(readlink -f "$TMPDIR/lttng.t_p_n")
TESTPOINT_PIPE_PATH=$(mktemp -u "${TESTPOINT_BASE_PATH}.XXXXXX")
TESTPOIT_ARGS="CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LTTNG_TESTPOINT_ENABLE=1"
TESTPOINT=$(readlink -f ${CURDIR}/.libs/libpause_consumer.so)


TESTAPP_PATH="$TESTDIR/utils/testapp"
TESTAPP_NAME="gen-ust-events"
TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX")

NR_ITER=-1
NR_USEC_WAIT=5

SESSION_NAME="my_session"
CHANNEL_NAME="my_channel"

TRACE_PATH=$(mktemp -d)
PAGE_SIZE=$(getconf PAGE_SIZE)

DIR=$(readlink -f $TESTDIR)
NUM_TESTS=104

source $TESTDIR/utils/utils.sh

function kernel_event_generator_toogle_state
{
	kernel_event_generator_suspended=$((kernel_event_generator_suspended==0))

}
function kernel_event_generator
{
	state_file=$1
	kernel_event_generator_suspended=0
	trap kernel_event_generator_toogle_state SIGUSR1

	while (true); do
		if [[ $kernel_event_generator_suspended -eq "1" ]]; then
			touch $state_file
			sleep 0.5
		else
			if [[ -f $state_file ]]; then
				rm $state_file 2> /dev/null
			fi
			echo -n "1000" > /proc/lttng-test-filter-event 2> /dev/null
		fi
	done
}

function kernel_test
{
	local consumerd_pipe=()
	local event_name="lttng_test_filter_event"

	modprobe lttng-test

	LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LD_PRELOAD=${TESTPOINT}"
	start_lttng_sessiond_notap

	create_lttng_session_notap $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_channel_notap $SESSION_NAME $CHANNEL_NAME --subbuf-size=$PAGE_SIZE
	enable_kernel_lttng_event_notap $SESSION_NAME $event_name $CHANNEL_NAME

	#This is needed since the testpoint create a pipe with the consumer type suffixed
	for f in "$TESTPOINT_BASE_PATH"*; do
		consumerd_pipe+=("$f")
	done

	kernel_event_generator $TESTAPP_STATE_PATH &
	APP_PID=$!

	$CURDIR/notification LTTNG_DOMAIN_KERNEL $SESSION_NAME $CHANNEL_NAME $APP_PID $TESTAPP_STATE_PATH ${consumerd_pipe[@]}

	destroy_lttng_session_notap $SESSION_NAME
	stop_lttng_sessiond_notap

	kill -9 $APP_PID
	wait $APP_PID 2> /dev/null


	rmmod lttng-test

	rm -rf ${consumerd_pipe[@]} 2> /dev/null
}

if [ "$(id -u)" == "0" ]; then
	validate_lttng_modules_present
	kernel_test
else
	# Kernel tests are skipped.
	plan_tests $NUM_TESTS
	skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS
fi

# Just in case cleanup
rm -rf $TRACE_PATH
rm -rf $TMPDIR
Commit	Line	Data
854382b8 JR	1	#!/bin/bash
854382b8 JR	2	#
9d16b343	3	# Copyright (C) 2017 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
854382b8	4	#
9d16b343	5	# SPDX-License-Identifier: LGPL-2.1-only
854382b8 JR	6
	7	CURDIR=$(dirname $0)/
	8	TESTDIR=$CURDIR/../../../
	9
345ed219 JR	10	TMPDIR=$(mktemp -d)
345ed219 JR	11
854382b8	12	#This is needed since the testpoint create a pipe with the consumerd type suffixed
345ed219	13	TESTPOINT_BASE_PATH=$(readlink -f "$TMPDIR/lttng.t_p_n")
854382b8 JR	14	TESTPOINT_PIPE_PATH=$(mktemp -u "${TESTPOINT_BASE_PATH}.XXXXXX")
	15	TESTPOIT_ARGS="CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LTTNG_TESTPOINT_ENABLE=1"
	16	TESTPOINT=$(readlink -f ${CURDIR}/.libs/libpause_consumer.so)
	17
	18
	19	TESTAPP_PATH="$TESTDIR/utils/testapp"
	20	TESTAPP_NAME="gen-ust-events"
	21	TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
345ed219	22	TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX")
854382b8 JR	23
	24	NR_ITER=-1
	25	NR_USEC_WAIT=5
	26
	27	SESSION_NAME="my_session"
	28	CHANNEL_NAME="my_channel"
	29
	30	TRACE_PATH=$(mktemp -d)
	31	PAGE_SIZE=$(getconf PAGE_SIZE)
	32
	33	DIR=$(readlink -f $TESTDIR)
	34	NUM_TESTS=104
	35
	36	source $TESTDIR/utils/utils.sh
	37
	38	function kernel_event_generator_toogle_state
	39	{
	40	kernel_event_generator_suspended=$((kernel_event_generator_suspended==0))
	41
	42	}
	43	function kernel_event_generator
	44	{
	45	state_file=$1
	46	kernel_event_generator_suspended=0
	47	trap kernel_event_generator_toogle_state SIGUSR1
3be453c9	48
854382b8 JR	49	while (true); do
	50	if [[ $kernel_event_generator_suspended -eq "1" ]]; then
	51	touch $state_file
	52	sleep 0.5
	53	else
	54	if [[ -f $state_file ]]; then
	55	rm $state_file 2> /dev/null
	56	fi
	57	echo -n "1000" > /proc/lttng-test-filter-event 2> /dev/null
	58	fi
	59	done
	60	}
	61
	62	function kernel_test
	63	{
	64	local consumerd_pipe=()
	65	local event_name="lttng_test_filter_event"
	66
	67	modprobe lttng-test
	68
	69	LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} LD_PRELOAD=${TESTPOINT}"
	70	start_lttng_sessiond_notap
	71
	72	create_lttng_session_notap $SESSION_NAME $TRACE_PATH
	73
	74	lttng_enable_kernel_channel_notap $SESSION_NAME $CHANNEL_NAME --subbuf-size=$PAGE_SIZE
	75	enable_kernel_lttng_event_notap $SESSION_NAME $event_name $CHANNEL_NAME
	76
	77	#This is needed since the testpoint create a pipe with the consumer type suffixed
	78	for f in "$TESTPOINT_BASE_PATH"*; do
	79	consumerd_pipe+=("$f")
	80	done
	81
	82	kernel_event_generator $TESTAPP_STATE_PATH &
	83	APP_PID=$!
	84
	85	$CURDIR/notification LTTNG_DOMAIN_KERNEL $SESSION_NAME $CHANNEL_NAME $APP_PID $TESTAPP_STATE_PATH ${consumerd_pipe[@]}
	86
	87	destroy_lttng_session_notap $SESSION_NAME
	88	stop_lttng_sessiond_notap
	89
	90	kill -9 $APP_PID
	91	wait $APP_PID 2> /dev/null
	92
	93
	94	rmmod lttng-test
	95
345ed219	96	rm -rf ${consumerd_pipe[@]} 2> /dev/null
854382b8 JR	97	}
	98
	99	if [ "$(id -u)" == "0" ]; then
5da3fc85	100	validate_lttng_modules_present
854382b8 JR	101	kernel_test
	102	else
	103	# Kernel tests are skipped.
	104	plan_tests $NUM_TESTS
	105	skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS
	106	fi
	107
	108	# Just in case cleanup
	109	rm -rf $TRACE_PATH
345ed219	110	rm -rf $TMPDIR