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

check_skip_kernel_test $NUM_TESTS "Skipping all tests." ||
{
	original_date=$(date)
	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

	# This set of test sets the date in the past which causes
	# `make` to panic when it sees files created in the "future"
	# while running the "check" target. Obviously this doesn't set
	# the correct date, but at least its close enough to allow the
	# test suite to continue.
	date --set "$original_date"
}
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=$(mktemp -d -t tmp.metadata_regen_after_data_change.XXXXXX)
	22
	23	TESTAPP_PATH="$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	bail_out_if_no_babeltrace
	42
	43
	44	function validate_trace_date
	45	{
	46	local test_date=$1
	47	local trace_path=$2
	48
	49	res=$($BABELTRACE_BIN --clock-date "$trace_path" 2>/dev/null \| head -1 \| grep $test_date)
	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
	65	create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"
	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
	70	validate_trace_date $DATE1 "$TRACE_PATH"
	71	start_lttng_tracing_ok $SESSION_NAME
	72	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
	73	regenerate_metadata_ok $SESSION_NAME
	74	stop_lttng_tracing_ok $SESSION_NAME
	75	validate_trace_date $DATE2 "$TRACE_PATH"
	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
	87	create_lttng_session_uri $SESSION_NAME net://localhost
	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
	95	regenerate_metadata_ok $SESSION_NAME
	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
	103	return
	104	fi
	105	destroy_lttng_session_ok $SESSION_NAME
	106	}
	107
	108	function test_ust_local ()
	109	{
	110	local file_sync_after_first
	111	local file_sync_before_last
	112
	113	file_sync_after_first=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
	114	file_sync_before_last=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
	115
	116	diag "Test UST local with metadata regeneration"
	117	date "+%Y-%m-%d %H:%M" -s "$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
	121	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
	122	--sync-after-first-event "${file_sync_after_first}" \
	123	--sync-before-last-event "${file_sync_before_last}" > /dev/null 2>&1 &
	124
	125	start_lttng_tracing_ok $SESSION_NAME
	126
	127	touch "${file_sync_before_last}"
	128	# Wait for the applications started in background
	129	wait
	130
	131	stop_lttng_tracing_ok $SESSION_NAME
	132	validate_trace_date $DATE1 "$TRACE_PATH"
	133
	134	start_lttng_tracing_ok $SESSION_NAME
	135	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
	136	regenerate_metadata_ok $SESSION_NAME
	137
	138	stop_lttng_tracing_ok $SESSION_NAME
	139	destroy_lttng_session_ok $SESSION_NAME
	140	validate_trace_date $DATE2 "$TRACE_PATH"
	141	if [ $? -eq 0 ]; then
	142	# Only delete if successful
	143	rm -rf "$TRACE_PATH"
	144	fi
	145	rm -f "${file_sync_after_first}"
	146	rm -f "${file_sync_before_last}"
	147	}
	148
	149	function test_ust_streaming ()
	150	{
	151	local file_sync_after_first
	152	local file_sync_before_last
	153
	154	file_sync_after_first=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
	155	file_sync_before_last=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
	156
	157	diag "Test UST streaming with metadata regeneration"
	158	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	159	create_lttng_session_uri $SESSION_NAME net://localhost
	160	enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME
	161
	162	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
	163	--sync-after-first-event "${file_sync_after_first}" \
	164	--sync-before-last-event "${file_sync_before_last}" > /dev/null 2>&1 &
	165
	166	start_lttng_tracing_ok $SESSION_NAME
	167
	168	touch "${file_sync_before_last}"
	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
	178	regenerate_metadata_ok $SESSION_NAME
	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 [ $? -eq 0 ]; then
	185	# Only delete if successful
	186	rm -rf "$TRACE_PATH"
	187	fi
	188	rm -f "${file_sync_after_first}"
	189	rm -f "${file_sync_before_last}"
	190	}
	191
	192	if ! destructive_tests_enabled ; then
	193	echo 'Please make sure that ntp is not running while executing this test'
	194	skip 0 "You need to set the LTTNG_ENABLE_DESTRUCTIVE_TESTS environment variable to \"will-break-my-system\" to run this test" $NUM_TESTS
	195
	196	exit 0
	197	fi
	198
	199	check_skip_kernel_test $NUM_TESTS "Skipping all tests." \|\|
	200	{
	201	original_date=$(date)
	202	start_lttng_relayd "-o $TRACE_PATH"
	203	start_lttng_sessiond
	204
	205	modprobe lttng-test
	206	test_kernel_local
	207	test_kernel_streaming
	208	modprobe --remove lttng-test
	209
	210	test_ust_local
	211	test_ust_streaming
	212
	213	stop_lttng_sessiond
	214	stop_lttng_relayd
	215
	216	# This set of test sets the date in the past which causes
	217	# `make` to panic when it sees files created in the "future"
	218	# while running the "check" target. Obviously this doesn't set
	219	# the correct date, but at least its close enough to allow the
	220	# test suite to continue.
	221	date --set "$original_date"
	222	}