# SPDX-License-Identifier: LGPL-2.1-only
#
-CURDIR=$(dirname $0)/
-TESTDIR=$CURDIR/..
+CURDIR=$(dirname "$0")/
+TESTDIR="$CURDIR/.."
LAUNCH_APP="launch_ust_app"
SESSION_NAME="stress"
EVENT_NAME="tp:tptest"
NR_SESSION=5
NR_LOOP=1000
COREDUMP_FILE=$(cat /proc/sys/kernel/core_pattern)
-APPS_PID=
+APP_PIDS=()
TEST_DESC="Stress test - $NR_SESSION sessions per UID with $NR_APP apps"
-source $TESTDIR/utils/utils.sh
+# shellcheck source-path=SCRIPTDIR/../
+source "$TESTDIR/utils/utils.sh"
# MUST set TESTDIR before calling those functions
function enable_channel_per_uid()
{
- local sess_name=$1
- local channel_name=$2
+ local sess_name=$1
+ local channel_name=$2
- $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name >/dev/null 2>&1
- ok $? "Enable channel $channel_name per UID for session $sess_name"
+ "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" enable-channel --buffers-uid -u "$channel_name" -s "$sess_name" >/dev/null 2>&1
+ ok $? "Enable channel $channel_name per UID for session $sess_name"
}
function check_sessiond()
{
- if [ -z "$(pgrep --full lt-lttng-sessiond)" ]; then
- local str_date=$(date +%H%M%S-%d%m%Y)
+ local str_date=''
+ if [ -z "$(lttng_pgrep lttng-sessiond)" ]; then
+ str_date=$(date +%H%M%S-%d%m%Y)
diag "!!!The session daemon died unexpectedly!!!"
- mv $LOG_FILE $LOG_FILE-$str_date
- if [ -e $COREDUMP_FILE ]; then
- mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
+ mv $LOG_FILE "$LOG_FILE-$str_date"
+ if [ -e "$COREDUMP_FILE" ]; then
+ mv "$COREDUMP_FILE" "$COREDUMP_FILE-$str_date"
fi
exit 1
fi
function start_sessiond()
{
- validate_kernel_version
- if [ $? -ne 0 ]; then
+ if ! validate_kernel_version ; then
fail "Start session daemon"
BAIL_OUT "*** Kernel too old for session daemon tests ***"
fi
- if [ -z $(pgrep --full lt-$SESSIOND_BIN) ]; then
+ if [ -z "$(lttng_pgrep $SESSIOND_BIN)" ]; then
# We have to start it like this so the ulimit -c is used by this
# process. Also, we collect any error message printed out.
- $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --quiet --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE 2>&1
+ "$TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN" --quiet --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE 2>&1
status=$?
ok $status "Start session daemon"
fi
test_stress()
{
+ # shellcheck disable=SC2034
for b in $(seq 1 $NR_LOOP); do
for a in $(seq 1 $NR_SESSION); do
- create_lttng_session_ok $SESSION_NAME-$a $TRACE_PATH
+ create_lttng_session_ok $SESSION_NAME-"$a" "$TRACE_PATH"
check_sessiond
- enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME
+ enable_channel_per_uid $SESSION_NAME-"$a" $CHANNEL_NAME
check_sessiond
- enable_ust_lttng_event_ok $SESSION_NAME-$a $EVENT_NAME
+ enable_ust_lttng_event_ok $SESSION_NAME-"$a" $EVENT_NAME
check_sessiond
- start_lttng_tracing_ok $SESSION_NAME-$a
+ start_lttng_tracing_ok $SESSION_NAME-"$a"
check_sessiond
done
for a in $(seq 1 $NR_SESSION); do
- stop_lttng_tracing_ok $SESSION_NAME-$a
+ stop_lttng_tracing_ok $SESSION_NAME-"$a"
check_sessiond
- destroy_lttng_session_ok $SESSION_NAME-$a
+ destroy_lttng_session_ok $SESSION_NAME-"$a"
check_sessiond
done
done
function cleanup()
{
diag "Cleaning up!"
- for p in ${APPS_PID}; do
- kill -s SIGKILL ${p}
- wait ${p} 2>/dev/null
- done
- APPS_PID=
+ kill -s SIGKILL "${APP_PIDS[@]}"
+ wait "${APP_PIDS[@]}" 2>/dev/null
+ APP_PIDS=()
+ # shellcheck disable=SC2119
stop_lttng_sessiond
}
function sighandler()
{
cleanup
- rm $LOG_FILE
+ rm "$LOG_FILE"
full_cleanup
}
diag "Starting applications"
# Start NR_APP applications script that will spawn apps non stop.
-./$TESTDIR/stress/$LAUNCH_APP $NR_APP &
-APPS_PID="${APPS_PID} ${!}"
+"./$TESTDIR/stress/$LAUNCH_APP" $NR_APP &
+APP_PIDS+=(${!})
-TRACE_PATH=$(mktemp -d)
+TRACE_PATH=$(mktemp -d -t tmp.test_multi_sess_per_uid_10app.XXXXXX)
test_stress
out=$?
fi
cleanup
-rm -rf $TRACE_PATH
+rm -rf "${TRACE_PATH:?}/"
rm $LOG_FILE
exit 0