[lttng-tools.git] / tests / regression / kernel / test_event_basic

#!/bin/bash
#
# Copyright (C) 2013 Christian Babeux <christian.babeux@efficios.com>
#
# SPDX-License-Identifier: GPL-2.0-only
#

TEST_DESC="Kernel tracer - Basic event"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../..
NUM_TESTS=21

TESTCMD="/bin/true"

source $TESTDIR/utils/utils.sh

function test_event_basic()
{
	TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_event_basic"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_event $SESSION_NAME "sched_switch"
	lttng_enable_kernel_event $SESSION_NAME "sched_process_exit"
	lttng_enable_kernel_event $SESSION_NAME "sched_process_fork"

	start_lttng_tracing_ok

	# Running a process and waiting for its completion forces the triggering of
	# fork, sched_switch and exit events
	eval ${TESTCMD}
	stop_lttng_tracing_ok

	validate_trace_path_kernel "$TRACE_PATH" ""
	validate_trace "sched_switch" $TRACE_PATH
	validate_trace "sched_process_exit" $TRACE_PATH
	validate_trace "sched_process_fork" $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

function test_enable_after_start()
{
	TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	SESSION_NAME="kernel_enable_after_start"

	create_lttng_session_ok $SESSION_NAME $TRACE_PATH

	lttng_enable_kernel_event $SESSION_NAME "sched_switch"

	start_lttng_tracing_ok
	lttng_enable_kernel_event $SESSION_NAME "sched_process_exit"

	# Running a process and waiting for its completion forces the triggering of
	# sched_switch and exit events
	eval ${TESTCMD}
	stop_lttng_tracing_ok

	validate_trace "sched_switch" $TRACE_PATH
	validate_trace "sched_process_exit" $TRACE_PATH

	destroy_lttng_session_ok $SESSION_NAME

	rm -rf $TRACE_PATH
}

# MUST set TESTDIR before calling those functions
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 tests." $NUM_TESTS ||
{
	validate_lttng_modules_present
	start_lttng_sessiond

	test_event_basic
	test_enable_after_start

	stop_lttng_sessiond
}
Commit	Line	Data
	1	#!/bin/bash
	2	#
	3	# Copyright (C) 2013 Christian Babeux <christian.babeux@efficios.com>
	4	#
	5	# SPDX-License-Identifier: GPL-2.0-only
	6	#
	7
	8	TEST_DESC="Kernel tracer - Basic event"
	9
	10	CURDIR=$(dirname $0)/
	11	TESTDIR=$CURDIR/../..
	12	NUM_TESTS=21
	13
	14	TESTCMD="/bin/true"
	15
	16	source $TESTDIR/utils/utils.sh
	17
	18	function test_event_basic()
	19	{
	20	TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	21	SESSION_NAME="kernel_event_basic"
	22
	23	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	24
	25	lttng_enable_kernel_event $SESSION_NAME "sched_switch"
	26	lttng_enable_kernel_event $SESSION_NAME "sched_process_exit"
	27	lttng_enable_kernel_event $SESSION_NAME "sched_process_fork"
	28
	29	start_lttng_tracing_ok
	30
	31	# Running a process and waiting for its completion forces the triggering of
	32	# fork, sched_switch and exit events
	33	eval ${TESTCMD}
	34	stop_lttng_tracing_ok
	35
	36	validate_trace_path_kernel "$TRACE_PATH" ""
	37	validate_trace "sched_switch" $TRACE_PATH
	38	validate_trace "sched_process_exit" $TRACE_PATH
	39	validate_trace "sched_process_fork" $TRACE_PATH
	40
	41	destroy_lttng_session_ok $SESSION_NAME
	42
	43	rm -rf $TRACE_PATH
	44	}
	45
	46	function test_enable_after_start()
	47	{
	48	TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
	49	SESSION_NAME="kernel_enable_after_start"
	50
	51	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	52
	53	lttng_enable_kernel_event $SESSION_NAME "sched_switch"
	54
	55	start_lttng_tracing_ok
	56	lttng_enable_kernel_event $SESSION_NAME "sched_process_exit"
	57
	58	# Running a process and waiting for its completion forces the triggering of
	59	# sched_switch and exit events
	60	eval ${TESTCMD}
	61	stop_lttng_tracing_ok
	62
	63	validate_trace "sched_switch" $TRACE_PATH
	64	validate_trace "sched_process_exit" $TRACE_PATH
	65
	66	destroy_lttng_session_ok $SESSION_NAME
	67
	68	rm -rf $TRACE_PATH
	69	}
	70
	71	# MUST set TESTDIR before calling those functions
	72	plan_tests $NUM_TESTS
	73
	74	print_test_banner "$TEST_DESC"
	75
	76	if [ "$(id -u)" == "0" ]; then
	77	isroot=1
	78	else
	79	isroot=0
	80	fi
	81
	82	skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS \|\|
	83	{
	84	validate_lttng_modules_present
	85	start_lttng_sessiond
	86
	87	test_event_basic
	88	test_enable_after_start
	89
	90	stop_lttng_sessiond
	91	}