Fix: add missing synchronization point for before app test case

[lttng-tools.git] / tests / regression / tools / streaming / test_ust

diff --git a/tests/regression/tools/streaming/test_ust b/tests/regression/tools/streaming/test_ust
index 785a9a8353efe813dc6fd66f318386f8afa3684e..11e135049fdad072c25eb08d71119eecef71794e 100755 (executable)
--- a/tests/regression/tools/streaming/test_ust
+++ b/tests/regression/tools/streaming/test_ust
@@ -29,7 +29,7 @@ PID_RELAYD=0
 
 TRACE_PATH=$(mktemp -d)
 
-NUM_TESTS=18
+NUM_TESTS=16
 
 source $TESTDIR/utils/utils.sh
 
@@ -56,35 +56,51 @@ function wait_apps
 
 function test_ust_before_start ()
 {
+       local file_sync_after_first=$(mktemp -u)
+       local file_sync_before_last=$(mktemp -u)
+
        diag "Test UST streaming BEFORE tracing starts"
        lttng_create_session_uri
        enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
 
        # Run 5 times with a 1 second delay
-       $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
+       $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
 
        start_lttng_tracing $SESSION_NAME
 
-       wait_apps
+       touch ${file_sync_before_last}
+
+       # Wait for the applications started in background
+       wait
 
        stop_lttng_tracing $SESSION_NAME
        destroy_lttng_session $SESSION_NAME
+       rm -f ${file_sync_after_first}
+       rm -f ${file_sync_before_last}
 }
 
 function test_ust_after_start ()
 {
+       local file_sync_after_first=$(mktemp -u)
+
        diag "Test UST streaming AFTER tracing starts"
        lttng_create_session_uri
        enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
        start_lttng_tracing $SESSION_NAME
 
        # Run 5 times with a 1 second delay
-       $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
+       $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} >/dev/null 2>&1
 
-       wait_apps
+       while [ ! -f "${file_sync_after_first}" ]; do
+               sleep 0.5
+       done
 
        stop_lttng_tracing $SESSION_NAME
        destroy_lttng_session $SESSION_NAME
+
+       # Wait for the applications started in background
+       wait
+       rm -f ${file_sync_after_first}
 }
 
 plan_tests $NUM_TESTS