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

#!/bin/bash
#
# Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only

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.

file_sync_after_first=$(mktemp -u -t tmp.test_nprocesses_sync_after_first.XXXXXX)
file_sync_before_last=$(mktemp -u -t tmp.test_nprocesses_sync_before_last.XXXXXX)

diag "Starting $NUM_PROCESS test applications"
for i in `seq 1 $NUM_PROCESS`
do
	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
		--sync-after-first-event ${file_sync_after_first} \
		--sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 &
	APPS_PID="${APPS_PID} ${!}"
done

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 -t tmp.test_nprocesses_trace_path.XXXXXX)

create_lttng_session_ok $SESSION_NAME $TRACE_PATH

enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
start_lttng_tracing_ok $SESSION_NAME

touch ${file_sync_before_last}

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

stop_lttng_tracing_ok $SESSION_NAME
destroy_lttng_session_ok $SESSION_NAME

#TODO: add trace validation.

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"

rm -f ${file_sync_after_first}
rm -f ${file_sync_before_last}

stop_lttng_sessiond
Commit	Line	Data
	1	#!/bin/bash
	2	#
	3	# Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
	4	#
	5	# SPDX-License-Identifier: LGPL-2.1-only
	6
	7	NUM_PROCESS=30
	8	TEST_DESC="UST tracer - Generate $NUM_PROCESS process"
	9
	10	CURDIR=$(dirname $0)/
	11	TESTDIR=$CURDIR/../../..
	12	NR_ITER=-1 # infinite loop
	13	NR_USEC_WAIT=1000000
	14	TESTAPP_PATH="$TESTDIR/utils/testapp"
	15	TESTAPP_NAME="gen-ust-events"
	16	TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
	17	SESSION_NAME="ust-nprocesses"
	18	EVENT_NAME="tp:tptest"
	19	TEST_WAIT_SEC=5
	20	NUM_TESTS=9
	21	APPS_PID=
	22
	23	source $TESTDIR/utils/utils.sh
	24
	25	if [ ! -x "$TESTAPP_BIN" ]; then
	26	BAIL_OUT "No UST $TESTAPP_BIN binary detected."
	27	fi
	28
	29	# MUST set TESTDIR before calling those functions
	30
	31	plan_tests $NUM_TESTS
	32
	33	print_test_banner "$TEST_DESC"
	34
	35	start_lttng_sessiond
	36
	37	# Start tests. Each is an infinite tracing loop.
	38
	39	file_sync_after_first=$(mktemp -u -t tmp.test_nprocesses_sync_after_first.XXXXXX)
	40	file_sync_before_last=$(mktemp -u -t tmp.test_nprocesses_sync_before_last.XXXXXX)
	41
	42	diag "Starting $NUM_PROCESS test applications"
	43	for i in `seq 1 $NUM_PROCESS`
	44	do
	45	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
	46	--sync-after-first-event ${file_sync_after_first} \
	47	--sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 &
	48	APPS_PID="${APPS_PID} ${!}"
	49	done
	50
	51	diag "Waiting for applications to be registered to sessiond"
	52
	53	reg_app_count=0
	54	while [ $reg_app_count -ne $NUM_PROCESS ]; do
	55	listing=$($TESTDIR/../src/bin/lttng/$LTTNG_BIN list -u)
	56	reg_app_count=$(echo -n $listing \| sed "s#$TESTAPP_BIN#$TESTAPP_BIN\n#g" \| grep "$TESTAPP_BIN" \| wc -l)
	57	done
	58
	59	pass "All applications are registered to sessiond"
	60
	61	TRACE_PATH=$(mktemp -d -t tmp.test_nprocesses_trace_path.XXXXXX)
	62
	63	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
	64
	65	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
	66	start_lttng_tracing_ok $SESSION_NAME
	67
	68	touch ${file_sync_before_last}
	69
	70	# We don't validate whether the applications have traced here, rather
	71	# just that they registered to sessiond (above).
	72
	73	stop_lttng_tracing_ok $SESSION_NAME
	74	destroy_lttng_session_ok $SESSION_NAME
	75
	76	#TODO: add trace validation.
	77
	78	rm -rf $TRACE_PATH
	79
	80	diag "Stopping all spawned applications"
	81	for p in ${APPS_PID}; do
	82	kill ${p}
	83	wait ${p} 2>/dev/null
	84	done
	85	APPS_PID=
	86	pass "Stopped all spawned applications"
	87
	88	rm -f ${file_sync_after_first}
	89	rm -f ${file_sync_before_last}
	90
	91	stop_lttng_sessiond