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

#!/bin/bash
#
# Copyright (C) - 2015 Julien Desfossez <jdesfossez@efficios.com>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License, version 2 only, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

# 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 lttng_create_session_uri
{
	# Create session with default path
	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1
	ok $? "Create session with default path"
}

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
	lttng_create_session_uri
	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 $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${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
	lttng_create_session_uri
	enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME

	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${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
512eb148 JD	1	#!/bin/bash
	2	#
	3	# Copyright (C) - 2015 Julien Desfossez <jdesfossez@efficios.com>
	4	#
	5	# This program is free software; you can redistribute it and/or modify it
	6	# under the terms of the GNU General Public License, version 2 only, as
	7	# published by the Free Software Foundation.
	8	#
	9	# This program is distributed in the hope that it will be useful, but WITHOUT
	10	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	# more details.
	13	#
	14	# You should have received a copy of the GNU General Public License along with
	15	# this program; if not, write to the Free Software Foundation, Inc., 51
	16	# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	17
	18	# WARNING: this test changes the date of the system (and does not set it back).
	19	# This test sets the date of the current machine to $DATE1, creates a trace
	20	# makes sure the trace is really at that date, then restarts the trace, changes
	21	# the date to $DATE2, regenerates the metadata and validates that the trace is
	22	# actually at $DATE2.
	23
	24	TEST_DESC="Metadata regeneration after date change"
	25
	26	CURDIR=$(dirname $0)/
	27	TESTDIR=$CURDIR/..
	28	NUM_TESTS=44
	29	SESSION_NAME="regen"
	30	KERNEL_EVENT_NAME="lttng_test_filter_event"
	31	TRACE_PATH=$(mktemp -d)
	32
	33	TESTAPP_PATH="$TESTDIR/utils/testapp"
	34	TESTAPP_NAME="gen-ust-events"
	35	TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
	36	NR_ITER=1
	37	NR_USEC_WAIT=0
	38	UST_EVENT_NAME="tp:tptest"
	39
	40	DATE1="1970-02-02"
	41	DATE2="1980-02-02"
	42	HOUR="05:30"
	43
	44	source $TESTDIR/utils/utils.sh
	45
	46	# MUST set TESTDIR before calling those functions
	47	plan_tests $NUM_TESTS
	48
	49	print_test_banner "$TEST_DESC"
	50
	51	function lttng_create_session_uri
	52	{
	53	# Create session with default path
	54	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1
	55	ok $? "Create session with default path"
	56	}
	57
	58	function validate_trace_date
	59	{
	60	local test_date=$1
	61	local trace_path=$2
	62
	63	which $BABELTRACE_BIN >/dev/null
	64	if [ $? -ne 0 ]; then
65	skip 0 "Babeltrace binary not found. Skipping trace validation"
66	fi
67
68	res=$($BABELTRACE_BIN --clock-date $trace_path 2>/dev/null \| head -1 \| grep $test_date)
69	if [ $? -eq 0 ]; then
70	pass "Validate trace at date $test_date"
71	ret=0
72	else
73	fail "The trace is not at the expected date"
74	ret=-1
75	fi
76
77	return $ret
78	}
79
80	function test_kernel_local ()
81	{
82	diag "Test kernel local with metadata regeneration"
83	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
84	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
85	lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME
86	start_lttng_tracing_ok $SESSION_NAME
87	echo -n "100" > /proc/lttng-test-filter-event
88	stop_lttng_tracing_ok $SESSION_NAME
89	validate_trace_date $DATE1 $TRACE_PATH
90	start_lttng_tracing_ok $SESSION_NAME
91	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
eded6438	92	regenerate_metadata_ok $SESSION_NAME
512eb148 JD	93	stop_lttng_tracing_ok $SESSION_NAME
	94	validate_trace_date $DATE2 $TRACE_PATH
	95	if [ $? -eq 0 ]; then
	96	# Only delete if successful
	97	rm -rf $TRACE_PATH
	98	fi
	99	destroy_lttng_session_ok $SESSION_NAME
	100	}
	101
	102	function test_kernel_streaming ()
	103	{
	104	diag "Test kernel streaming with metadata regeneration"
	105	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	106	lttng_create_session_uri
	107	lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME
	108	start_lttng_tracing_ok $SESSION_NAME
	109	echo -n "100" > /proc/lttng-test-filter-event
	110	stop_lttng_tracing_ok $SESSION_NAME
	111	validate_trace_date $DATE1 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	112	start_lttng_tracing_ok $SESSION_NAME
	113	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
eded6438	114	regenerate_metadata_ok $SESSION_NAME
512eb148 JD	115	stop_lttng_tracing_ok $SESSION_NAME
	116	# Validate test
	117	validate_trace_date $DATE2 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	118	if [ $? -eq 0 ]; then
	119	# Only delete if successful
	120	rm -rf $TRACE_PATH
	121	else
	122	break
	123	fi
	124	destroy_lttng_session_ok $SESSION_NAME
	125	}
	126
	127	function test_ust_local ()
	128	{
	129	local file_sync_after_first=$(mktemp -u)
	130	local file_sync_before_last=$(mktemp -u)
	131
	132	diag "Test UST local with metadata regeneration"
	133	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	134	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	135	enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME
	136
	137	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
	138
	139	start_lttng_tracing_ok $SESSION_NAME
	140
	141	touch ${file_sync_before_last}
	142	# Wait for the applications started in background
	143	wait
	144
	145	stop_lttng_tracing_ok $SESSION_NAME
	146	validate_trace_date $DATE1 $TRACE_PATH
	147
	148	start_lttng_tracing_ok $SESSION_NAME
	149	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
eded6438	150	regenerate_metadata_ok $SESSION_NAME
512eb148 JD	151
	152	stop_lttng_tracing_ok $SESSION_NAME
	153	destroy_lttng_session_ok $SESSION_NAME
	154	validate_trace_date $DATE2 $TRACE_PATH
	155	if [ $? -eq 0 ]; then
	156	# Only delete if successful
	157	rm -rf $TRACE_PATH
	158	fi
	159	rm -f ${file_sync_after_first}
	160	rm -f ${file_sync_before_last}
	161	}
	162
	163	function test_ust_streaming ()
	164	{
	165	local file_sync_after_first=$(mktemp -u)
	166	local file_sync_before_last=$(mktemp -u)
	167
	168	diag "Test UST streaming with metadata regeneration"
	169	date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null
	170	lttng_create_session_uri
	171	enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME
	172
	173	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
	174
	175	start_lttng_tracing_ok $SESSION_NAME
	176
	177	touch ${file_sync_before_last}
	178
	179	# Wait for the applications started in background
	180	wait
	181	stop_lttng_tracing_ok $SESSION_NAME
	182	validate_trace_date $DATE1 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	183
	184	start_lttng_tracing_ok $SESSION_NAME
	185	date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null
	186
eded6438	187	regenerate_metadata_ok $SESSION_NAME
512eb148 JD	188
	189	stop_lttng_tracing_ok $SESSION_NAME
	190	destroy_lttng_session_ok $SESSION_NAME
	191	# Validate test
	192	validate_trace_date $DATE2 $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
	193	if [ $? -eq 0 ]; then
	194	# Only delete if successful
	195	rm -rf $TRACE_PATH
	196	fi
	197	rm -f ${file_sync_after_first}
	198	rm -f ${file_sync_before_last}
	199	}
	200
	201	if [ "$(id -u)" == "0" ]; then
	202	isroot=1
	203	else
	204	isroot=0
	205	fi
	206
	207	if ! destructive_tests_enabled ; then
	208	echo 'You need to set the LTTNG_ENABLE_DESTRUCTIVE_TESTS to "will-break-my-system" as argument to run this test'
	209	echo 'Moreover, please make sure that ntp is not running while executing this test'
	210	exit 0
	211	fi
	212
	213	skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS \|\|
	214	{
	215	start_lttng_relayd "-o $TRACE_PATH"
	216	start_lttng_sessiond
	217
	218	modprobe lttng-test
	219	test_kernel_local
	220	test_kernel_streaming
	221	rmmod lttng-test
	222
	223	test_ust_local
	224	test_ust_streaming
	225
	226	stop_lttng_sessiond
	227	stop_lttng_relayd
	228	}