tests: Use session discarded counter to validate blocking test

[lttng-tools.git] / tests / regression / ust / blocking / test_blocking

diff --git a/tests/regression/ust/blocking/test_blocking b/tests/regression/ust/blocking/test_blocking
index 0bbc02ddc3c61dec86768c5d14fd27b6353ecc6b..51e2130908c78758af7b2d63ef3e6aa46d87a7a5 100755 (executable)
--- a/tests/regression/ust/blocking/test_blocking
+++ b/tests/regression/ust/blocking/test_blocking
@@ -134,13 +134,12 @@ function test_ust_blocking_no_discard()
        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