[lttng-tools.git] / tests / destructive / metadata-regeneration

#!/bin/bash
#
# Copyright (C) 2015 Julien Desfossez <jdesfossez@efficios.com>
#
# SPDX-License-Identifier: GPL-2.0-only
#

# WARNING: this test changes the date of the system (and does not set it back).
# This test sets the date of the current machine to $DATE1, creates a trace
# makes sure the trace is really at that date, then restarts the trace, changes
# the date to $DATE2, regenerates the metadata and validates that the trace is
# actually at $DATE2.

TEST_DESC="Metadata regeneration after date change"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/..
NUM_TESTS=44
SESSION_NAME="regen"
KERNEL_EVENT_NAME="lttng_test_filter_event"
TRACE_PATH=$(mktemp -d)

TESTAPP_PATH="$TESTDIR/utils/testapp"
TESTAPP_NAME="gen-ust-events"
TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
NR_ITER=1
NR_USEC_WAIT=0
UST_EVENT_NAME="tp:tptest"

DATE1="1970-02-02"
DATE2="1980-02-02"
HOUR="05:30"

source $TESTDIR/utils/utils.sh

# MUST set TESTDIR before calling those functions
plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

function validate_trace_date
{
	local test_date=$1
	local trace_path=$2

	which $BABELTRACE_BIN >/dev/null
	if [ $? -ne 0 ]; then
	    skip 0 "Babeltrace binary not found. Skipping trace validation"
	fi

	res=$($BABELTRACE_BIN --clock-date $trace_path 2>/dev/null | head -1 | grep $test_date)
	if [ $? -eq 0 ]; then
		pass "Validate trace at date $test_date"
		ret=0
	else
		fail "The trace is not at the expected date"
		ret=-1
	fi

	return $ret
}

function test_kernel_local ()
{
	diag "Test kernel local with metadata regeneration"
	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME
	start_lttng_tracing_ok $SESSION_NAME
	echo -n "100" > /proc/lttng-test-filter-event
	stop_lttng_tracing_ok $SESSION_NAME
	validate_trace_date $DATE1 $TRACE_PATH
	start_lttng_tracing_ok $SESSION_NAME
	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
	regenerate_metadata_ok $SESSION_NAME
	stop_lttng_tracing_ok $SESSION_NAME
	validate_trace_date $DATE2 $TRACE_PATH
	if [ $? -eq 0 ]; then
		# Only delete if successful
		rm -rf $TRACE_PATH
	fi
	destroy_lttng_session_ok $SESSION_NAME
}

function test_kernel_streaming ()
{
	diag "Test kernel streaming with metadata regeneration"
	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	create_lttng_session_uri $SESSION_NAME net://localhost
	lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME
	start_lttng_tracing_ok $SESSION_NAME
	echo -n "100" > /proc/lttng-test-filter-event
	stop_lttng_tracing_ok $SESSION_NAME
	validate_trace_date $DATE1 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	start_lttng_tracing_ok $SESSION_NAME
	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
	regenerate_metadata_ok $SESSION_NAME
	stop_lttng_tracing_ok $SESSION_NAME
	# Validate test
	validate_trace_date $DATE2 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	if [ $? -eq 0 ]; then
		# Only delete if successful
		rm -rf $TRACE_PATH
	else
		break
	fi
	destroy_lttng_session_ok $SESSION_NAME
}

function test_ust_local ()
{
	local file_sync_after_first=$(mktemp -u)
	local file_sync_before_last=$(mktemp -u)

	diag "Test UST local with metadata regeneration"
	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME

	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
		--sync-after-first-event ${file_sync_after_first} \
		--sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &

	start_lttng_tracing_ok $SESSION_NAME

	touch ${file_sync_before_last}
	# Wait for the applications started in background
	wait

	stop_lttng_tracing_ok $SESSION_NAME
	validate_trace_date $DATE1 $TRACE_PATH

	start_lttng_tracing_ok $SESSION_NAME
	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
	regenerate_metadata_ok $SESSION_NAME

	stop_lttng_tracing_ok $SESSION_NAME
	destroy_lttng_session_ok $SESSION_NAME
	validate_trace_date $DATE2 $TRACE_PATH
	if [ $? -eq 0 ]; then
		# Only delete if successful
		rm -rf $TRACE_PATH
	fi
	rm -f ${file_sync_after_first}
	rm -f ${file_sync_before_last}
}

function test_ust_streaming ()
{
	local file_sync_after_first=$(mktemp -u)
	local file_sync_before_last=$(mktemp -u)

	diag "Test UST streaming with metadata regeneration"
	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	create_lttng_session_uri $SESSION_NAME net://localhost
	enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME

	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
		--sync-after-first-event ${file_sync_after_first} \
		--sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &

	start_lttng_tracing_ok $SESSION_NAME

	touch ${file_sync_before_last}

	# Wait for the applications started in background
	wait
	stop_lttng_tracing_ok $SESSION_NAME
	validate_trace_date $DATE1 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*

	start_lttng_tracing_ok $SESSION_NAME
	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null

	regenerate_metadata_ok $SESSION_NAME

	stop_lttng_tracing_ok $SESSION_NAME
	destroy_lttng_session_ok $SESSION_NAME
	# Validate test
	validate_trace_date $DATE2 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	if [ $? -eq 0 ]; then
		# Only delete if successful
		rm -rf $TRACE_PATH
	fi
	rm -f ${file_sync_after_first}
	rm -f ${file_sync_before_last}
}

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

if ! destructive_tests_enabled ; then
	echo 'You need to set the LTTNG_ENABLE_DESTRUCTIVE_TESTS to "will-break-my-system" as argument to run this test'
	echo 'Moreover, please make sure that ntp is not running while executing this test'
	exit 0
fi

skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
{
	start_lttng_relayd "-o $TRACE_PATH"
	start_lttng_sessiond

	modprobe lttng-test
	test_kernel_local
	test_kernel_streaming
	rmmod lttng-test

	test_ust_local
	test_ust_streaming

	stop_lttng_sessiond
	stop_lttng_relayd
}
Commit	Line	Data
	1	#!/bin/bash
	2	#
	3	# Copyright (C) 2015 Julien Desfossez <jdesfossez@efficios.com>
	4	#
	5	# SPDX-License-Identifier: GPL-2.0-only
	6	#
	7
	8	# WARNING: this test changes the date of the system (and does not set it back).
	9	# This test sets the date of the current machine to $DATE1, creates a trace
	10	# makes sure the trace is really at that date, then restarts the trace, changes
	11	# the date to $DATE2, regenerates the metadata and validates that the trace is
	12	# actually at $DATE2.
	13
	14	TEST_DESC="Metadata regeneration after date change"
	15
	16	CURDIR=$(dirname $0)/
	17	TESTDIR=$CURDIR/..
	18	NUM_TESTS=44
	19	SESSION_NAME="regen"
	20	KERNEL_EVENT_NAME="lttng_test_filter_event"
	21	TRACE_PATH=$(mktemp -d)
	22
	23	TESTAPP_PATH="$TESTDIR/utils/testapp"
	24	TESTAPP_NAME="gen-ust-events"
	25	TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
	26	NR_ITER=1
	27	NR_USEC_WAIT=0
	28	UST_EVENT_NAME="tp:tptest"
	29
	30	DATE1="1970-02-02"
	31	DATE2="1980-02-02"
	32	HOUR="05:30"
	33
	34	source $TESTDIR/utils/utils.sh
	35
	36	# MUST set TESTDIR before calling those functions
	37	plan_tests $NUM_TESTS
	38
	39	print_test_banner "$TEST_DESC"
	40
	41	function validate_trace_date
	42	{
	43	local test_date=$1
	44	local trace_path=$2
	45
	46	which $BABELTRACE_BIN >/dev/null
	47	if [ $? -ne 0 ]; then
	48	skip 0 "Babeltrace binary not found. Skipping trace validation"
	49	fi
	50
	51	res=$($BABELTRACE_BIN --clock-date $trace_path 2>/dev/null \| head -1 \| grep $test_date)
	52	if [ $? -eq 0 ]; then
	53	pass "Validate trace at date $test_date"
	54	ret=0
	55	else
	56	fail "The trace is not at the expected date"
	57	ret=-1
	58	fi
	59
	60	return $ret
	61	}
	62
	63	function test_kernel_local ()
	64	{
	65	diag "Test kernel local with metadata regeneration"
	66	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	67	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	68	lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME
	69	start_lttng_tracing_ok $SESSION_NAME
	70	echo -n "100" > /proc/lttng-test-filter-event
	71	stop_lttng_tracing_ok $SESSION_NAME
	72	validate_trace_date $DATE1 $TRACE_PATH
	73	start_lttng_tracing_ok $SESSION_NAME
	74	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
	75	regenerate_metadata_ok $SESSION_NAME
	76	stop_lttng_tracing_ok $SESSION_NAME
	77	validate_trace_date $DATE2 $TRACE_PATH
	78	if [ $? -eq 0 ]; then
	79	# Only delete if successful
	80	rm -rf $TRACE_PATH
	81	fi
	82	destroy_lttng_session_ok $SESSION_NAME
	83	}
	84
	85	function test_kernel_streaming ()
	86	{
	87	diag "Test kernel streaming with metadata regeneration"
	88	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	89	create_lttng_session_uri $SESSION_NAME net://localhost
	90	lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME
	91	start_lttng_tracing_ok $SESSION_NAME
	92	echo -n "100" > /proc/lttng-test-filter-event
	93	stop_lttng_tracing_ok $SESSION_NAME
	94	validate_trace_date $DATE1 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	95	start_lttng_tracing_ok $SESSION_NAME
	96	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
	97	regenerate_metadata_ok $SESSION_NAME
	98	stop_lttng_tracing_ok $SESSION_NAME
	99	# Validate test
	100	validate_trace_date $DATE2 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	101	if [ $? -eq 0 ]; then
	102	# Only delete if successful
	103	rm -rf $TRACE_PATH
	104	else
	105	break
	106	fi
	107	destroy_lttng_session_ok $SESSION_NAME
	108	}
	109
	110	function test_ust_local ()
	111	{
	112	local file_sync_after_first=$(mktemp -u)
	113	local file_sync_before_last=$(mktemp -u)
	114
	115	diag "Test UST local with metadata regeneration"
	116	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	117	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	118	enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME
	119
	120	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
	121	--sync-after-first-event ${file_sync_after_first} \
	122	--sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &
	123
	124	start_lttng_tracing_ok $SESSION_NAME
	125
	126	touch ${file_sync_before_last}
	127	# Wait for the applications started in background
	128	wait
	129
	130	stop_lttng_tracing_ok $SESSION_NAME
	131	validate_trace_date $DATE1 $TRACE_PATH
	132
	133	start_lttng_tracing_ok $SESSION_NAME
	134	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
	135	regenerate_metadata_ok $SESSION_NAME
	136
	137	stop_lttng_tracing_ok $SESSION_NAME
	138	destroy_lttng_session_ok $SESSION_NAME
	139	validate_trace_date $DATE2 $TRACE_PATH
	140	if [ $? -eq 0 ]; then
	141	# Only delete if successful
	142	rm -rf $TRACE_PATH
	143	fi
	144	rm -f ${file_sync_after_first}
	145	rm -f ${file_sync_before_last}
	146	}
	147
	148	function test_ust_streaming ()
	149	{
	150	local file_sync_after_first=$(mktemp -u)
	151	local file_sync_before_last=$(mktemp -u)
	152
	153	diag "Test UST streaming with metadata regeneration"
	154	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	155	create_lttng_session_uri $SESSION_NAME net://localhost
	156	enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME
	157
	158	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
	159	--sync-after-first-event ${file_sync_after_first} \
	160	--sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &
	161
	162	start_lttng_tracing_ok $SESSION_NAME
	163
	164	touch ${file_sync_before_last}
	165
	166	# Wait for the applications started in background
	167	wait
	168	stop_lttng_tracing_ok $SESSION_NAME
	169	validate_trace_date $DATE1 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	170
	171	start_lttng_tracing_ok $SESSION_NAME
	172	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
	173
	174	regenerate_metadata_ok $SESSION_NAME
	175
	176	stop_lttng_tracing_ok $SESSION_NAME
	177	destroy_lttng_session_ok $SESSION_NAME
	178	# Validate test
	179	validate_trace_date $DATE2 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	180	if [ $? -eq 0 ]; then
	181	# Only delete if successful
	182	rm -rf $TRACE_PATH
	183	fi
	184	rm -f ${file_sync_after_first}
	185	rm -f ${file_sync_before_last}
	186	}
	187
	188	if [ "$(id -u)" == "0" ]; then
	189	isroot=1
	190	else
	191	isroot=0
	192	fi
	193
	194	if ! destructive_tests_enabled ; then
	195	echo 'You need to set the LTTNG_ENABLE_DESTRUCTIVE_TESTS to "will-break-my-system" as argument to run this test'
	196	echo 'Moreover, please make sure that ntp is not running while executing this test'
	197	exit 0
	198	fi
	199
	200	skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS \|\|
	201	{
	202	start_lttng_relayd "-o $TRACE_PATH"
	203	start_lttng_sessiond
	204
	205	modprobe lttng-test
	206	test_kernel_local
	207	test_kernel_streaming
	208	rmmod lttng-test
	209
	210	test_ust_local
	211	test_ust_streaming
	212
	213	stop_lttng_sessiond
	214	stop_lttng_relayd
	215	}