3 # Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
5 # SPDX-License-Identifier: LGPL-2.1-only
8 TEST_DESC
="UST tracer - Generate $NUM_PROCESS process"
11 TESTDIR
=$CURDIR/..
/..
/..
12 NR_ITER
=-1 # infinite loop
14 TESTAPP_PATH
="$TESTDIR/utils/testapp"
15 TESTAPP_NAME
="gen-ust-events"
16 TESTAPP_BIN
="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
17 SESSION_NAME
="ust-nprocesses"
18 EVENT_NAME
="tp:tptest"
23 source $TESTDIR/utils
/utils.sh
25 if [ ! -x "$TESTAPP_BIN" ]; then
26 BAIL_OUT
"No UST $TESTAPP_BIN binary detected."
29 # MUST set TESTDIR before calling those functions
33 print_test_banner
"$TEST_DESC"
37 # Start tests. Each is an infinite tracing loop.
39 file_sync_after_first
=$
(mktemp
-u)
40 file_sync_before_last
=$
(mktemp
-u)
42 diag
"Starting $NUM_PROCESS test applications"
43 for i
in `seq 1 $NUM_PROCESS`
45 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
46 --sync-after-first-event ${file_sync_after_first} \
47 --sync-before-last-event ${file_sync_before_last} >/dev
/null
2>&1 &
48 APPS_PID
="${APPS_PID} ${!}"
51 diag
"Waiting for applications to be registered to sessiond"
54 while [ $reg_app_count -ne $NUM_PROCESS ]; do
55 listing
=$
($TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN list
-u)
56 reg_app_count
=$
(echo -n $listing |
sed "s#$TESTAPP_BIN#$TESTAPP_BIN\n#g" |
grep "$TESTAPP_BIN" |
wc -l)
59 pass
"All applications are registered to sessiond"
61 TRACE_PATH
=$
(mktemp
-d)
63 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
65 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME
66 start_lttng_tracing_ok
$SESSION_NAME
68 touch ${file_sync_before_last}
70 # We don't validate whether the applications have traced here, rather
71 # just that they registered to sessiond (above).
73 stop_lttng_tracing_ok
$SESSION_NAME
74 destroy_lttng_session_ok
$SESSION_NAME
76 #TODO: add trace validation.
80 diag
"Stopping all spawned applications"
81 for p
in ${APPS_PID}; do
86 pass
"Stopped all spawned applications"
88 rm -f ${file_sync_after_first}
89 rm -f ${file_sync_before_last}