NUM_TESTS=49
-source $TESTDIR/utils/utils.sh
+# shellcheck source=../utils/utils.sh
+source "$TESTDIR/utils/utils.sh"
# MUST set TESTDIR before calling those functions
-# Run app on CPU 0 to ensure we only write in a single ring buffer.
+# Run app on a single CPU to ensure we only write in a single ring buffer.
function run_app()
{
- taskset 0x00000001 $TESTAPP_BIN -i $NUM_EVENT
+ taskset --cpu-list "$(get_any_available_cpu)" $TESTAPP_BIN -i $NUM_EVENT
ok $? "Application done"
}
+function check_disk_space()
+{
+ local path
+
+ path="${1:?}"
+ kb_free=$(df -k -P "${path}" | tail -n 1 | awk '{ print $4 }')
+ if [ "${kb_free}" -lt "1048576" ] ; then
+ return 1
+ fi
+
+ return 0
+}
+
function test_ust_implicit_no_blocking()
{
NUM_EVENT=5000000
start_lttng_tracing_ok $SESSION_NAME
LTTNG_UST_ALLOW_BLOCKING=1 run_app
stop_lttng_tracing_ok $SESSION_NAME
+ discarded=$("${XML_EXTRACT}" <("${TESTDIR}/../src/bin/lttng/${LTTNG_BIN}" --mi=xml list --channel="${CHANNEL_NAME}" "${SESSION_NAME}") '//lttng:command/lttng:output/lttng:sessions/lttng:session/lttng:domains/lttng:domain/lttng:channels/lttng:channel/lttng:attributes/lttng:discarded_events')
destroy_lttng_session_ok $SESSION_NAME
stop_lttng_sessiond
- nr_events=$("$BABELTRACE_BIN" $TRACE_PATH 2>/dev/null | wc -l)
-
- test $nr_events -eq $NUM_EVENT
- ok $? "No event lost with UST blocking mode: found $nr_events expect $NUM_EVENT"
+ test "$(echo "${discarded}" | grep -Eo '[0-9]+')" = "0"
+ ok $? "No event lost with UST blocking mode: ${discarded}"
}
plan_tests $NUM_TESTS
bail_out_if_no_babeltrace
+if ! check_disk_space "${TMPDIR:-/tmp}"; then
+ BAIL_OUT "Not enough free space to run blocking tests"
+fi
+
TESTS=(
"test_ust_implicit_no_blocking"
"test_ust_implicit_no_blocking_with_channel_blocking"