[lttng-tools.git] / tests / regression / ust / nprocesses / test_nprocesses

#!/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
NUM_PROCESS=30
TEST_DESC="UST tracer - Generate $NUM_PROCESS process"

CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
NR_ITER=-1	# infinite loop
NR_USEC_WAIT=1000000
TESTAPP_PATH="$TESTDIR/utils/testapp"
TESTAPP_NAME="gen-ust-events"
TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
SESSION_NAME="ust-nprocesses"
EVENT_NAME="tp:tptest"
TEST_WAIT_SEC=5
NUM_TESTS=9
APPS_PID=

source $TESTDIR/utils/utils.sh

if [ ! -x "$TESTAPP_BIN" ]; then
	BAIL_OUT "No UST $TESTAPP_BIN binary detected."
fi

# MUST set TESTDIR before calling those functions

plan_tests $NUM_TESTS

print_test_banner "$TEST_DESC"

start_lttng_sessiond

# Start tests. Each is an infinite tracing loop.

diag "Starting $NUM_PROCESS test applications"
for i in `seq 1 $NUM_PROCESS`
do
	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
	APPS_PID="${APPS_PID} ${!}"
done

#FIXME: racy missing synchronization

diag "Waiting for applications to be registered to sessiond"

reg_app_count=0
while [ $reg_app_count -ne $NUM_PROCESS ]; do
	listing=$($TESTDIR/../src/bin/lttng/$LTTNG_BIN list -u)
	reg_app_count=$(echo -n $listing | sed "s#$TESTAPP_BIN#$TESTAPP_BIN\n#g" | grep "$TESTAPP_BIN" | wc -l)
done

pass "All applications are registered to sessiond"

TRACE_PATH=$(mktemp -d)

create_lttng_session $SESSION_NAME $TRACE_PATH

enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
start_lttng_tracing $SESSION_NAME

# We don't validate whether the applications have traced here, rather
# just that they registered to sessiond (above).

stop_lttng_tracing $SESSION_NAME
destroy_lttng_session $SESSION_NAME

#FIXME/TODO: add validation after fixing racy synchroniaation

rm -rf $TRACE_PATH

diag "Stopping all spawned applications"
for p in ${APPS_PID}; do
	kill ${p}
	wait ${p} 2>/dev/null
done
APPS_PID=
pass "Stopped all spawned applications"

stop_lttng_sessiond
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	NUM_PROCESS=30
	18	TEST_DESC="UST tracer - Generate $NUM_PROCESS process"
	19
	20	CURDIR=$(dirname $0)/
	21	TESTDIR=$CURDIR/../../..
	22	NR_ITER=-1 # infinite loop
	23	NR_USEC_WAIT=1000000
	24	TESTAPP_PATH="$TESTDIR/utils/testapp"
	25	TESTAPP_NAME="gen-ust-events"
	26	TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
	27	SESSION_NAME="ust-nprocesses"
	28	EVENT_NAME="tp:tptest"
	29	TEST_WAIT_SEC=5
	30	NUM_TESTS=9
	31	APPS_PID=
	32
	33	source $TESTDIR/utils/utils.sh
	34
	35	if [ ! -x "$TESTAPP_BIN" ]; then
	36	BAIL_OUT "No UST $TESTAPP_BIN binary detected."
	37	fi
	38
	39	# MUST set TESTDIR before calling those functions
	40
	41	plan_tests $NUM_TESTS
	42
	43	print_test_banner "$TEST_DESC"
	44
	45	start_lttng_sessiond
	46
	47	# Start tests. Each is an infinite tracing loop.
	48
	49	diag "Starting $NUM_PROCESS test applications"
	50	for i in `seq 1 $NUM_PROCESS`
	51	do
	52	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
	53	APPS_PID="${APPS_PID} ${!}"
	54	done
	55
	56	#FIXME: racy missing synchronization
	57
	58	diag "Waiting for applications to be registered to sessiond"
	59
	60	reg_app_count=0
	61	while [ $reg_app_count -ne $NUM_PROCESS ]; do
	62	listing=$($TESTDIR/../src/bin/lttng/$LTTNG_BIN list -u)
	63	reg_app_count=$(echo -n $listing \| sed "s#$TESTAPP_BIN#$TESTAPP_BIN\n#g" \| grep "$TESTAPP_BIN" \| wc -l)
	64	done
	65
	66	pass "All applications are registered to sessiond"
	67
	68	TRACE_PATH=$(mktemp -d)
	69
	70	create_lttng_session $SESSION_NAME $TRACE_PATH
	71
	72	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
	73	start_lttng_tracing $SESSION_NAME
	74
	75	# We don't validate whether the applications have traced here, rather
	76	# just that they registered to sessiond (above).
	77
	78	stop_lttng_tracing $SESSION_NAME
	79	destroy_lttng_session $SESSION_NAME
	80
	81	#FIXME/TODO: add validation after fixing racy synchroniaation
	82
	83	rm -rf $TRACE_PATH
	84
	85	diag "Stopping all spawned applications"
	86	for p in ${APPS_PID}; do
	87	kill ${p}
	88	wait ${p} 2>/dev/null
	89	done
	90	APPS_PID=
	91	pass "Stopped all spawned applications"
	92
	93	stop_lttng_sessiond