[lttng-tools.git] / tests / regression / ust / before-after / test_before_after

#!/bin/bash
#
# Copyright (C) - 2012 David Goulet <dgoulet@efficios.com>
#
# This library is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; version 2.1 of the License.
#
# This library 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
TEST_DESC="UST tracer - Start tracing before and after execution"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
NR_ITER=100
SESSION_NAME="per-session"
EVENT_NAME="ust_gen_nevents:tptest"
NUM_TESTS=16

source $TESTDIR/utils/utils.sh

if [ ! -x "$CURDIR/gen-nevents" ]; then
	BAIL_OUT "No UST nevents binary detected."
fi

# MUST set TESTDIR before calling those functions

test_before_apps() {
	local out

	# BEFORE application is spawned
	create_lttng_session $SESSION_NAME $TRACE_PATH
	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
	start_lttng_tracing $SESSION_NAME

	./$CURDIR/gen-nevents $NR_ITER
	ok $? "Start application to trace"

	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH

	return $?
}

test_after_apps() {
	local out

	./$CURDIR/gen-nevents 100 &
	ok $? "Start application to trace"

	# BEFORE application is spawned
	create_lttng_session $SESSION_NAME $TRACE_PATH
	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
	start_lttng_tracing $SESSION_NAME

	# At least hit one event
	sleep 2

	stop_lttng_tracing $SESSION_NAME
	destroy_lttng_session $SESSION_NAME

	out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l)
	if [ $out -eq 0 ]; then
		fail "Trace validation"
		diag "No event(s) found. We are supposed to have at least one."
		out=1
	else
		pass "Trace validation"
		diag "Found $out event(s). Coherent."
		out=0
	fi

	return $out
}

# MUST set TESTDIR before calling those functions
plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

start_lttng_sessiond

diag "Start application BEFORE tracing was started"

TRACE_PATH=$(mktemp -d)

test_before_apps
out=$?
if [ $out -ne 0 ]; then
	stop_lttng_sessiond
	exit $out
fi

rm -rf $TRACE_PATH

diag "Start application AFTER tracing was started"

TRACE_PATH=$(mktemp -d)

test_after_apps
out=$?
if [ $out -ne 0 ]; then
	stop_lttng_sessiond
	exit $out
fi

stop_lttng_sessiond

rm -rf $TRACE_PATH
Commit	Line	Data
	1	#!/bin/bash
	2	#
	3	# Copyright (C) - 2012 David Goulet <dgoulet@efficios.com>
	4	#
	5	# This library is free software; you can redistribute it and/or modify it under
	6	# the terms of the GNU Lesser General Public License as published by the Free
	7	# Software Foundation; version 2.1 of the License.
	8	#
	9	# This library is distributed in the hope that it will be useful, but WITHOUT
	10	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	11	# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
	12	# details.
	13	#
	14	# You should have received a copy of the GNU Lesser General Public License
	15	# along with this library; if not, write to the Free Software Foundation, Inc.,
	16	# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	17	TEST_DESC="UST tracer - Start tracing before and after execution"
	18
	19	CURDIR=$(dirname $0)/
	20	TESTDIR=$CURDIR/../../..
	21	NR_ITER=100
	22	SESSION_NAME="per-session"
	23	EVENT_NAME="ust_gen_nevents:tptest"
	24	NUM_TESTS=16
	25
	26	source $TESTDIR/utils/utils.sh
	27
	28	if [ ! -x "$CURDIR/gen-nevents" ]; then
	29	BAIL_OUT "No UST nevents binary detected."
	30	fi
	31
	32	# MUST set TESTDIR before calling those functions
	33
	34	test_before_apps() {
	35	local out
	36
	37	# BEFORE application is spawned
	38	create_lttng_session $SESSION_NAME $TRACE_PATH
	39	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
	40	start_lttng_tracing $SESSION_NAME
	41
	42	./$CURDIR/gen-nevents $NR_ITER
	43	ok $? "Start application to trace"
	44
	45	stop_lttng_tracing $SESSION_NAME
	46	destroy_lttng_session $SESSION_NAME
	47
	48	trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH
	49
	50	return $?
	51	}
	52
	53	test_after_apps() {
	54	local out
	55
	56	./$CURDIR/gen-nevents 100 &
	57	ok $? "Start application to trace"
	58
	59	# BEFORE application is spawned
	60	create_lttng_session $SESSION_NAME $TRACE_PATH
	61	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
	62	start_lttng_tracing $SESSION_NAME
	63
	64	# At least hit one event
	65	sleep 2
	66
	67	stop_lttng_tracing $SESSION_NAME
	68	destroy_lttng_session $SESSION_NAME
	69
	70	out=$(babeltrace $TRACE_PATH \| grep $EVENT_NAME \| wc -l)
	71	if [ $out -eq 0 ]; then
	72	fail "Trace validation"
	73	diag "No event(s) found. We are supposed to have at least one."
	74	out=1
	75	else
	76	pass "Trace validation"
	77	diag "Found $out event(s). Coherent."
	78	out=0
	79	fi
	80
	81	return $out
	82	}
	83
	84	# MUST set TESTDIR before calling those functions
	85	plan_tests $NUM_TESTS
	86
	87	print_test_banner "$TEST_DESC"
	88
	89	start_lttng_sessiond
	90
	91	diag "Start application BEFORE tracing was started"
	92
	93	TRACE_PATH=$(mktemp -d)
	94
	95	test_before_apps
	96	out=$?
	97	if [ $out -ne 0 ]; then
	98	stop_lttng_sessiond
	99	exit $out
	100	fi
	101
	102	rm -rf $TRACE_PATH
	103
	104	diag "Start application AFTER tracing was started"
	105
	106	TRACE_PATH=$(mktemp -d)
	107
	108	test_after_apps
	109	out=$?
	110	if [ $out -ne 0 ]; then
	111	stop_lttng_sessiond
	112	exit $out
	113	fi
	114
	115	stop_lttng_sessiond
	116
	117	rm -rf $TRACE_PATH