[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 --tmpdir -d -t tmp.metadata_regen_after_data_change.XXXXXX)

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"

bail_out_if_no_babeltrace


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

	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
		return
	fi
	destroy_lttng_session_ok $SESSION_NAME
}

function test_ust_local ()
{
	local file_sync_after_first
	local file_sync_before_last

	file_sync_after_first=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
	file_sync_before_last=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")

	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
	local file_sync_before_last

	file_sync_after_first=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
	file_sync_before_last=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")

	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 'Please make sure that ntp is not running while executing this test'
	skip 0 "You need to set the LTTNG_ENABLE_DESTRUCTIVE_TESTS environment variable to \"will-break-my-system\" to run this test" $NUM_TESTS

	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
	modprobe --remove lttng-test

	test_ust_local
	test_ust_streaming

	stop_lttng_sessiond
	stop_lttng_relayd
}
Commit	Line	Data
512eb148 JD	1	#!/bin/bash
512eb148 JD	2	#
9d16b343	3	# Copyright (C) 2015 Julien Desfossez <jdesfossez@efficios.com>
512eb148	4	#
9d16b343	5	# SPDX-License-Identifier: GPL-2.0-only
512eb148	6	#
512eb148 JD	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 $DATE2.
	13
	14	TEST_DESC="Metadata regeneration after date change"
	15
a24ac4d1	16	CURDIR=$(dirname "$0")/
512eb148 JD	17	TESTDIR=$CURDIR/..
	18	NUM_TESTS=44
	19	SESSION_NAME="regen"
	20	KERNEL_EVENT_NAME="lttng_test_filter_event"
33e55711	21	TRACE_PATH=$(mktemp --tmpdir -d -t tmp.metadata_regen_after_data_change.XXXXXX)
512eb148 JD	22
	23	TESTAPP_PATH="$TESTDIR/utils/testapp"
	24	TESTAPP_NAME="gen-ust-events"
	25	TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
	26	NR_ITER=1
	27	NR_USEC_WAIT=0
	28	UST_EVENT_NAME="tp:tptest"
	29
	30	DATE1="1970-02-02"
	31	DATE2="1980-02-02"
	32	HOUR="05:30"
	33
a24ac4d1	34	source "$TESTDIR/utils/utils.sh"
512eb148 JD	35
	36	# MUST set TESTDIR before calling those functions
	37	plan_tests $NUM_TESTS
	38
	39	print_test_banner "$TEST_DESC"
	40
c125de8f FD	41	bail_out_if_no_babeltrace
	42
	43
512eb148 JD	44	function validate_trace_date
	45	{
	46	local test_date=$1
	47	local trace_path=$2
	48
a24ac4d1	49	res=$($BABELTRACE_BIN --clock-date "$trace_path" 2>/dev/null \| head -1 \| grep $test_date)
512eb148 JD	50	if [ $? -eq 0 ]; then
	51	pass "Validate trace at date $test_date"
	52	ret=0
	53	else
	54	fail "The trace is not at the expected date"
	55	ret=-1
	56	fi
	57
	58	return $ret
	59	}
	60
	61	function test_kernel_local ()
	62	{
	63	diag "Test kernel local with metadata regeneration"
	64	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
a24ac4d1	65	create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"
512eb148 JD	66	lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME
	67	start_lttng_tracing_ok $SESSION_NAME
	68	echo -n "100" > /proc/lttng-test-filter-event
	69	stop_lttng_tracing_ok $SESSION_NAME
a24ac4d1	70	validate_trace_date $DATE1 "$TRACE_PATH"
512eb148 JD	71	start_lttng_tracing_ok $SESSION_NAME
512eb148 JD	72	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
eded6438	73	regenerate_metadata_ok $SESSION_NAME
512eb148	74	stop_lttng_tracing_ok $SESSION_NAME
a24ac4d1	75	validate_trace_date $DATE2 "$TRACE_PATH"
512eb148 JD	76	if [ $? -eq 0 ]; then
	77	# Only delete if successful
	78	rm -rf $TRACE_PATH
	79	fi
	80	destroy_lttng_session_ok $SESSION_NAME
	81	}
	82
	83	function test_kernel_streaming ()
	84	{
	85	diag "Test kernel streaming with metadata regeneration"
	86	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
f0d43d3d	87	create_lttng_session_uri $SESSION_NAME net://localhost
512eb148 JD	88	lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME
	89	start_lttng_tracing_ok $SESSION_NAME
	90	echo -n "100" > /proc/lttng-test-filter-event
	91	stop_lttng_tracing_ok $SESSION_NAME
	92	validate_trace_date $DATE1 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	93	start_lttng_tracing_ok $SESSION_NAME
	94	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
eded6438	95	regenerate_metadata_ok $SESSION_NAME
512eb148 JD	96	stop_lttng_tracing_ok $SESSION_NAME
	97	# Validate test
	98	validate_trace_date $DATE2 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	99	if [ $? -eq 0 ]; then
	100	# Only delete if successful
	101	rm -rf $TRACE_PATH
	102	else
a24ac4d1	103	return
512eb148 JD	104	fi
	105	destroy_lttng_session_ok $SESSION_NAME
	106	}
	107
	108	function test_ust_local ()
	109	{
a24ac4d1 JR	110	local file_sync_after_first
	111	local file_sync_before_last
	112
	113	file_sync_after_first=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
	114	file_sync_before_last=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
512eb148 JD	115
	116	diag "Test UST local with metadata regeneration"
	117	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	118	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	119	enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME
	120
6c4a91d6	121	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
a24ac4d1 JR	122	--sync-after-first-event "${file_sync_after_first}" \
a24ac4d1 JR	123	--sync-before-last-event "${file_sync_before_last}" > /dev/null 2>&1 &
512eb148 JD	124
	125	start_lttng_tracing_ok $SESSION_NAME
	126
a24ac4d1	127	touch "${file_sync_before_last}"
512eb148 JD	128	# Wait for the applications started in background
	129	wait
	130
	131	stop_lttng_tracing_ok $SESSION_NAME
a24ac4d1	132	validate_trace_date $DATE1 "$TRACE_PATH"
512eb148 JD	133
	134	start_lttng_tracing_ok $SESSION_NAME
	135	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
eded6438	136	regenerate_metadata_ok $SESSION_NAME
512eb148 JD	137
	138	stop_lttng_tracing_ok $SESSION_NAME
	139	destroy_lttng_session_ok $SESSION_NAME
a24ac4d1	140	validate_trace_date $DATE2 "$TRACE_PATH"
512eb148 JD	141	if [ $? -eq 0 ]; then
512eb148 JD	142	# Only delete if successful
a24ac4d1	143	rm -rf "$TRACE_PATH"
512eb148	144	fi
a24ac4d1 JR	145	rm -f "${file_sync_after_first}"
a24ac4d1 JR	146	rm -f "${file_sync_before_last}"
512eb148 JD	147	}
	148
	149	function test_ust_streaming ()
	150	{
a24ac4d1 JR	151	local file_sync_after_first
	152	local file_sync_before_last
	153
	154	file_sync_after_first=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
	155	file_sync_before_last=$(mktemp --tmpdir -u -t "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
512eb148 JD	156
	157	diag "Test UST streaming with metadata regeneration"
	158	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
f0d43d3d	159	create_lttng_session_uri $SESSION_NAME net://localhost
512eb148 JD	160	enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME
512eb148 JD	161
6c4a91d6	162	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
a24ac4d1 JR	163	--sync-after-first-event "${file_sync_after_first}" \
a24ac4d1 JR	164	--sync-before-last-event "${file_sync_before_last}" > /dev/null 2>&1 &
512eb148 JD	165
	166	start_lttng_tracing_ok $SESSION_NAME
	167
a24ac4d1	168	touch "${file_sync_before_last}"
512eb148 JD	169
	170	# Wait for the applications started in background
	171	wait
	172	stop_lttng_tracing_ok $SESSION_NAME
	173	validate_trace_date $DATE1 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	174
	175	start_lttng_tracing_ok $SESSION_NAME
	176	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
	177
eded6438	178	regenerate_metadata_ok $SESSION_NAME
512eb148 JD	179
	180	stop_lttng_tracing_ok $SESSION_NAME
	181	destroy_lttng_session_ok $SESSION_NAME
	182	# Validate test
	183	validate_trace_date $DATE2 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	184	if [ $? -eq 0 ]; then
	185	# Only delete if successful
a24ac4d1	186	rm -rf "$TRACE_PATH"
512eb148	187	fi
a24ac4d1 JR	188	rm -f "${file_sync_after_first}"
a24ac4d1 JR	189	rm -f "${file_sync_before_last}"
512eb148 JD	190	}
	191
	192	if [ "$(id -u)" == "0" ]; then
	193	isroot=1
	194	else
	195	isroot=0
	196	fi
	197
	198	if ! destructive_tests_enabled ; then
a24ac4d1 JR	199	echo 'Please make sure that ntp is not running while executing this test'
	200	skip 0 "You need to set the LTTNG_ENABLE_DESTRUCTIVE_TESTS environment variable to \"will-break-my-system\" to run this test" $NUM_TESTS
	201
512eb148 JD	202	exit 0
	203	fi
	204
	205	skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS \|\|
	206	{
	207	start_lttng_relayd "-o $TRACE_PATH"
	208	start_lttng_sessiond
	209
	210	modprobe lttng-test
	211	test_kernel_local
	212	test_kernel_streaming
d0e263e7	213	modprobe --remove lttng-test
512eb148 JD	214
	215	test_ust_local
	216	test_ust_streaming
	217
	218	stop_lttng_sessiond
	219	stop_lttng_relayd
	220	}