NUM_PROCESS=30
TEST_DESC="UST tracer - Generate $NUM_PROCESS process"
-CURDIR=$(dirname $0)/
+CURDIR=$(dirname "$0")/
TESTDIR=$CURDIR/../../..
-NR_ITER=-1 # infinite loop
+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=
+APP_PIDS=()
-source $TESTDIR/utils/utils.sh
+# shellcheck source-path=SCRIPTDIR/../../../
+source "${TESTDIR}/utils/utils.sh"
if [ ! -x "$TESTAPP_BIN" ]; then
BAIL_OUT "No UST $TESTAPP_BIN binary detected."
print_test_banner "$TEST_DESC"
+# shellcheck disable=SC2119
start_lttng_sessiond
# Start tests. Each is an infinite tracing loop.
-file_sync_after_first=$(mktemp -u)
-file_sync_before_last=$(mktemp -u)
+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`
+# shellcheck disable=SC2034
+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} ${!}"
+ --sync-after-first-event "${file_sync_after_first}" \
+ --sync-before-last-event "${file_sync_before_last}" >/dev/null 2>&1 &
+ APP_PIDS+=(${!})
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)
+ listing=$("${TESTDIR}/../src/bin/lttng/${LTTNG_BIN}" list -u)
+ reg_app_count=$(echo -n "${listing}" | sed "s#$TESTAPP_BIN#$TESTAPP_BIN\n#g" | grep -c "$TESTAPP_BIN")
done
pass "All applications are registered to sessiond"
-TRACE_PATH=$(mktemp -d)
+TRACE_PATH=$(mktemp -d -t tmp.test_nprocesses_trace_path.XXXXXX)
-create_lttng_session_ok $SESSION_NAME $TRACE_PATH
+create_lttng_session_ok $SESSION_NAME "${TRACE_PATH}"
enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
start_lttng_tracing_ok $SESSION_NAME
-touch ${file_sync_before_last}
+touch "${file_sync_before_last}"
# We don't validate whether the applications have traced here, rather
# just that they registered to sessiond (above).
#TODO: add trace validation.
-rm -rf $TRACE_PATH
+rm -rf "${TRACE_PATH}"
diag "Stopping all spawned applications"
-for p in ${APPS_PID}; do
- kill ${p}
- wait ${p} 2>/dev/null
-done
-APPS_PID=
+kill "${APP_PIDS[@]}"
+wait "${APP_PIDS[@]}" 2>/dev/null
+APP_PIDS=()
pass "Stopped all spawned applications"
-rm -f ${file_sync_after_first}
-rm -f ${file_sync_before_last}
+rm -f "${file_sync_after_first}"
+rm -f "${file_sync_before_last}"
+# shellcheck disable=SC2119
stop_lttng_sessiond