[lttng-tools.git] / tests / regression / tools / streaming / test_kernel

#!/bin/bash
#
# Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only

TEST_DESC="Streaming - Kernel tracing"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
EVENT_NAME="sched_switch"
SESSION_NAME=""

TRACE_PATH=$(mktemp -d)

NUM_TESTS=10

source $TESTDIR/utils/utils.sh

function test_kernel_before_start ()
{
	diag "Test kernel streaming with event enable BEFORE start"
	create_lttng_session_uri $SESSION_NAME net://localhost
	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	start_lttng_tracing_ok $SESSION_NAME
	# Give a second
	sleep 1
	stop_lttng_tracing_ok $SESSION_NAME
	destroy_lttng_session_ok $SESSION_NAME
}

# Deactivated since this feature is not yet available where we can enable
# an event AFTERE tracing has started.
function test_kernel_after_start ()
{
	diag "Test kernel streaming with event enable AFTER start"
	create_lttng_session_uri $SESSION_NAME net://localhost
	start_lttng_tracing_ok $SESSION_NAME
	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	# Give a second
	sleep 1
	stop_lttng_tracing_ok $SESSION_NAME
	destroy_lttng_session_ok $SESSION_NAME
}

plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

if [ "$(id -u)" == "0" ]; then
	isroot=1
else
	isroot=0
fi

skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
{
	validate_lttng_modules_present

	start_lttng_relayd "-o $TRACE_PATH"
	start_lttng_sessiond

	tests=( test_kernel_before_start )

	for fct_test in ${tests[@]};
	do
		SESSION_NAME=$(randstring 16 0)
		${fct_test}

		# Validate test
		validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
		if [ $? -eq 0 ]; then
			# Only delete if successful
			rm -rf $TRACE_PATH
		else
			break
		fi
	done

	stop_lttng_sessiond
	stop_lttng_relayd
}
Commit	Line	Data
	1	#!/bin/bash
	2	#
	3	# Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
	4	#
	5	# SPDX-License-Identifier: LGPL-2.1-only
	6
	7	TEST_DESC="Streaming - Kernel tracing"
	8
	9	CURDIR=$(dirname $0)/
	10	TESTDIR=$CURDIR/../../..
	11	EVENT_NAME="sched_switch"
	12	SESSION_NAME=""
	13
	14	TRACE_PATH=$(mktemp -d)
	15
	16	NUM_TESTS=10
	17
	18	source $TESTDIR/utils/utils.sh
	19
	20	function test_kernel_before_start ()
	21	{
	22	diag "Test kernel streaming with event enable BEFORE start"
	23	create_lttng_session_uri $SESSION_NAME net://localhost
	24	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	25	start_lttng_tracing_ok $SESSION_NAME
	26	# Give a second
	27	sleep 1
	28	stop_lttng_tracing_ok $SESSION_NAME
	29	destroy_lttng_session_ok $SESSION_NAME
	30	}
	31
	32	# Deactivated since this feature is not yet available where we can enable
	33	# an event AFTERE tracing has started.
	34	function test_kernel_after_start ()
	35	{
	36	diag "Test kernel streaming with event enable AFTER start"
	37	create_lttng_session_uri $SESSION_NAME net://localhost
	38	start_lttng_tracing_ok $SESSION_NAME
	39	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
	40	# Give a second
	41	sleep 1
	42	stop_lttng_tracing_ok $SESSION_NAME
	43	destroy_lttng_session_ok $SESSION_NAME
	44	}
	45
	46	plan_tests $NUM_TESTS
	47
	48	print_test_banner "$TEST_DESC"
	49
	50	if [ "$(id -u)" == "0" ]; then
	51	isroot=1
	52	else
	53	isroot=0
	54	fi
	55
	56	skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS \|\|
	57	{
	58	validate_lttng_modules_present
	59
	60	start_lttng_relayd "-o $TRACE_PATH"
	61	start_lttng_sessiond
	62
	63	tests=( test_kernel_before_start )
	64
	65	for fct_test in ${tests[@]};
	66	do
	67	SESSION_NAME=$(randstring 16 0)
	68	${fct_test}
	69
	70	# Validate test
	71	validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	72	if [ $? -eq 0 ]; then
	73	# Only delete if successful
	74	rm -rf $TRACE_PATH
	75	else
	76	break
	77	fi
	78	done
	79
	80	stop_lttng_sessiond
	81	stop_lttng_relayd
	82	}