[lttng-tools.git] / tests / regression / tools / live / test_lttng_kernel

#!/bin/bash
#
# Copyright (C) 2013 Julien Desfossez <julien.desfossez@efficios.com>
# Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only

TEST_DESC="Live - Kernel space tracing"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../../
DELAY_USEC=2000000

SESSION_NAME="live"
EVENT_NAME="lttng_test_filter_event"

TRACE_PATH=$(mktemp -d -t tmp.test_lttng_live_kernel_trace_path.XXXXXX)

DIR=$(readlink -f $TESTDIR)

NUM_TESTS=11

source $TESTDIR/utils/utils.sh

# MUST set TESTDIR before calling those functions
plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

function setup_live_tracing()
{
	# Create session with default path
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME --live $DELAY_USEC \
		-U net://localhost >/dev/null 2>&1
	ok $? "Create session in live mode with delay $DELAY_USEC"

	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	start_lttng_tracing_ok $SESSION_NAME
}

function clean_live_tracing()
{
	stop_lttng_tracing_ok $SESSION_NAME
	destroy_lttng_session_ok $SESSION_NAME
}

# Need root access for kernel tracing.
check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." ||
{
	modprobe lttng-test

	start_lttng_sessiond
	start_lttng_relayd "-o $TRACE_PATH"

	setup_live_tracing

	echo -n "1" > /proc/lttng-test-filter-event

	clean_live_tracing

	validate_trace_path_kernel_network "$TRACE_PATH" "$SESSION_NAME"
	validate_trace $EVENT_NAME $TRACE_PATH
	rm -rf $TRACE_PATH

	stop_lttng_relayd
	stop_lttng_sessiond

	modprobe --remove lttng-test
}
Commit	Line	Data
	1	#!/bin/bash
	2	#
	3	# Copyright (C) 2013 Julien Desfossez <julien.desfossez@efficios.com>
	4	# Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
	5	#
	6	# SPDX-License-Identifier: LGPL-2.1-only
	7
	8	TEST_DESC="Live - Kernel space tracing"
	9
	10	CURDIR=$(dirname $0)/
	11	TESTDIR=$CURDIR/../../../
	12	DELAY_USEC=2000000
	13
	14	SESSION_NAME="live"
	15	EVENT_NAME="lttng_test_filter_event"
	16
	17	TRACE_PATH=$(mktemp -d -t tmp.test_lttng_live_kernel_trace_path.XXXXXX)
	18
	19	DIR=$(readlink -f $TESTDIR)
	20
	21	NUM_TESTS=11
	22
	23	source $TESTDIR/utils/utils.sh
	24
	25	# MUST set TESTDIR before calling those functions
	26	plan_tests $NUM_TESTS
	27
	28	print_test_banner "$TEST_DESC"
	29
	30	function setup_live_tracing()
	31	{
	32	# Create session with default path
	33	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME --live $DELAY_USEC \
	34	-U net://localhost >/dev/null 2>&1
	35	ok $? "Create session in live mode with delay $DELAY_USEC"
	36
	37	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	38	start_lttng_tracing_ok $SESSION_NAME
	39	}
	40
	41	function clean_live_tracing()
	42	{
	43	stop_lttng_tracing_ok $SESSION_NAME
	44	destroy_lttng_session_ok $SESSION_NAME
	45	}
	46
	47	# Need root access for kernel tracing.
	48	check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." \|\|
	49	{
	50	modprobe lttng-test
	51
	52	start_lttng_sessiond
	53	start_lttng_relayd "-o $TRACE_PATH"
	54
	55	setup_live_tracing
	56
	57	echo -n "1" > /proc/lttng-test-filter-event
	58
	59	clean_live_tracing
	60
	61	validate_trace_path_kernel_network "$TRACE_PATH" "$SESSION_NAME"
	62	validate_trace $EVENT_NAME $TRACE_PATH
	63	rm -rf $TRACE_PATH
	64
	65	stop_lttng_relayd
	66	stop_lttng_sessiond
	67
	68	modprobe --remove lttng-test
	69	}