X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=tests%2Fregression%2Fust%2Fperiodical-metadata-flush%2Ftest_periodical_metadata_flush;h=bfc3b2091de8bb158914e5a8c596f4753dc7dfe3;hp=1a2ff96557782d11d4bcbf9e3509e4068f49c1dd;hb=a4c305246c4b8021fa1681076326731349a1cd17;hpb=2345b91fe4d88812a0cfe96040d7c87b01f0380b

diff --git a/tests/regression/ust/periodical-metadata-flush/test_periodical_metadata_flush b/tests/regression/ust/periodical-metadata-flush/test_periodical_metadata_flush
index 1a2ff9655..bfc3b2091 100755
--- a/tests/regression/ust/periodical-metadata-flush/test_periodical_metadata_flush
+++ b/tests/regression/ust/periodical-metadata-flush/test_periodical_metadata_flush
@@ -27,6 +27,8 @@ SESSION_NAME="periodical-flush"
 EVENT_NAME="tp:tptest"
 BIN_NAME="gen-nevents"
 NUM_TESTS=38
+APP_TMP_FILE=$(mktemp -u)
+APPS_PID=
 
 source $TESTDIR/utils/utils.sh
 
@@ -72,14 +74,6 @@ function enable_metadata_per_pid()
 	ok $? "Enable channel $channel_name per PID for session $sess_name"
 }
 
-function wait_apps
-{
-	diag "Waiting for applications to end..."
-	while [ -n "$(pidof $TESTAPP_NAME)" ]; do
-		sleep 1
-	done
-}
-
 function validate_trace()
 {
 	local out
@@ -98,70 +92,126 @@ function validate_trace()
 	return $out
 }
 
+function check_app_tmp_file()
+{
+	# Wait for the application file to appear indicating that at least one
+	# tracepoint has been fired.
+	while [ ! -f "$APP_TMP_FILE" ]; do
+		sleep 0.5
+	done
+	diag "Removing test app temporary file $APP_TMP_FILE"
+	rm -f $APP_TMP_FILE
+}
+
+function start_trace_app()
+{
+	# Start application with a temporary file.
+	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT --sync-after-first-event $APP_TMP_FILE &
+	ret=$?
+	APPS_PID="${APPS_PID} ${!}"
+	ok $ret "Start application to trace"
+}
+
+function start_check_trace_app()
+{
+	start_trace_app
+	check_app_tmp_file
+}
+
+
+function wait_trace_apps()
+{
+	for p in ${APPS_PID}; do
+		wait ${p} 2>/dev/null
+	done
+	APPS_PID=
+}
+
 test_after_app_pid() {
 	local out
 
+	APPS_PID=
+
 	diag "Start application AFTER tracing is started"
 
-	create_lttng_session $SESSION_NAME $TRACE_PATH
+	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 	enable_metadata_per_pid $SESSION_NAME
 	enable_channel_per_pid $SESSION_NAME "channel0"
-	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
-	start_lttng_tracing $SESSION_NAME
+	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
+	start_lttng_tracing_ok $SESSION_NAME
 
 	# Start application after tracing
-	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
-	ok $? "Start application to trace"
-
-	# At least hit one event
-	sleep 2
+	start_check_trace_app
+	# After this point we are sure that at least one event has been hit.
 
 	# Make sure the application does not generate any more data,
 	# thus ensuring that we are not flushing a packet concurrently
 	# with validate_trace.
-	killall -q $TESTAPP_NAME
+	for p in ${APPS_PID}; do
+		kill -s SIGSTOP ${p}
+	done
+
+	# Give time to the consumer to write inflight data.
 	sleep 2
 
 	validate_trace
 	out=$?
 
-	stop_lttng_tracing $SESSION_NAME
-	destroy_lttng_session $SESSION_NAME
+	for p in ${APPS_PID}; do
+		kill -s SIGKILL ${p}
+		wait ${p} 2>/dev/null
+	done
+	stop_lttng_tracing_ok $SESSION_NAME
+	destroy_lttng_session_ok $SESSION_NAME
+
+	wait_trace_apps
 
 	return $out
 }
 
 test_before_app_pid() {
 	local out
+	local tmp_file="/tmp/lttng_test_ust.42.file"
+
+	APPS_PID=
 
 	diag "Start application BEFORE tracing is started"
 
-	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
-	ok $? "Start application to trace"
+	start_trace_app
 
 	# Start application before tracing
-	create_lttng_session $SESSION_NAME $TRACE_PATH
+	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 	enable_metadata_per_pid $SESSION_NAME
 	enable_channel_per_pid $SESSION_NAME "channel0"
-	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
-	start_lttng_tracing $SESSION_NAME
+	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
+	start_lttng_tracing_ok $SESSION_NAME
 
-	# At least hit one event
+	check_app_tmp_file
+	# Let the application at least perform a flush!
 	sleep 2
 
 	# Make sure the application does not generate any more data,
 	# thus ensuring that we are not flushing a packet concurrently
 	# with validate_trace.
-	killall -q $TESTAPP_NAME
+	for p in ${APPS_PID}; do
+		kill -s SIGSTOP ${p}
+	done
+
+	# Give time to the consumer to write inflight data.
 	sleep 2
 
 	validate_trace
 	out=$?
 
-	stop_lttng_tracing $SESSION_NAME
-	destroy_lttng_session $SESSION_NAME
+	for p in ${APPS_PID}; do
+		kill -s SIGKILL ${p}
+		wait ${p} 2>/dev/null
+	done
+
+	stop_lttng_tracing_ok $SESSION_NAME
+	destroy_lttng_session_ok $SESSION_NAME
 
-	wait_apps
+	wait_trace_apps
 
 	return $out
 }
@@ -169,32 +219,42 @@ test_before_app_pid() {
 test_after_app_uid() {
 	local out
 
+	APPS_PID=
+
 	diag "Start application AFTER tracing is started"
 
-	create_lttng_session $SESSION_NAME $TRACE_PATH
+	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 	enable_metadata_per_uid $SESSION_NAME
 	enable_channel_per_uid $SESSION_NAME "channel0"
-	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
-	start_lttng_tracing $SESSION_NAME
+	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
+	start_lttng_tracing_ok $SESSION_NAME
 
 	# Start application after tracing
-	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
-	ok $? "Start application to trace"
-
-	# At least hit one event
-	sleep 2
+	start_check_trace_app
+	# After this point we are sure that at least one event has been hit.
 
 	# Make sure the application does not generate any more data,
 	# thus ensuring that we are not flushing a packet concurrently
 	# with validate_trace.
-	killall -q $TESTAPP_NAME
+	for p in ${APPS_PID}; do
+		kill -s SIGSTOP ${p}
+	done
+
+
+	# Give time to the consumer to write inflight data.
 	sleep 2
 
 	validate_trace
 	out=$?
 
-	stop_lttng_tracing $SESSION_NAME
-	destroy_lttng_session $SESSION_NAME
+	for p in ${APPS_PID}; do
+		kill -s SIGKILL ${p}
+		wait ${p} 2>/dev/null
+	done
+	stop_lttng_tracing_ok $SESSION_NAME
+	destroy_lttng_session_ok $SESSION_NAME
+
+	wait_trace_apps
 
 	return $out
 }
@@ -202,34 +262,44 @@ test_after_app_uid() {
 test_before_app_uid() {
 	local out
 
+	APPS_PID=
+
 	diag "Start application BEFORE tracing is started"
 
-	# Start application after tracing
-	$TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
-	ok $? "Start application to trace"
+	# Start application before tracing
+	start_trace_app
 
-	create_lttng_session $SESSION_NAME $TRACE_PATH
+	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 	enable_metadata_per_uid $SESSION_NAME
 	enable_channel_per_uid $SESSION_NAME "channel0"
-	enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
-	start_lttng_tracing $SESSION_NAME
+	enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
+	start_lttng_tracing_ok $SESSION_NAME
 
-	# At least hit one event
+	check_app_tmp_file
+	# Let the application at least perform a flush!
 	sleep 2
 
 	# Make sure the application does not generate any more data,
 	# thus ensuring that we are not flushing a packet concurrently
 	# with validate_trace.
-	killall -q $TESTAPP_NAME
+	for p in ${APPS_PID}; do
+		kill -s SIGSTOP ${p}
+	done
+
+	# Give time to the consumer to write inflight data.
 	sleep 2
 
 	validate_trace
 	out=$?
 
-	stop_lttng_tracing $SESSION_NAME
-	destroy_lttng_session $SESSION_NAME
+	for p in ${APPS_PID}; do
+		kill -s SIGKILL ${p}
+		wait ${p} 2>/dev/null
+	done
+	stop_lttng_tracing_ok $SESSION_NAME
+	destroy_lttng_session_ok $SESSION_NAME
 
-	wait_apps
+	wait_trace_apps
 
 	return $out
 }