3 # Copyright (C) - 2015 Julien Desfossez <jdesfossez@efficios.com>
5 # This library is free software; you can redistribute it and/or modify it under
6 # the terms of the GNU Lesser General Public License as published by the Free
7 # Software Foundation; version 2.1 of the License.
9 # This library is distributed in the hope that it will be useful, but WITHOUT
10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
14 # You should have received a copy of the GNU Lesser General Public License
15 # along with this library; if not, write to the Free Software Foundation, Inc.,
16 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 TEST_DESC
="Streaming - User space tracing"
20 TESTDIR
=$CURDIR/..
/..
/..
23 TESTAPP_PATH
="$TESTDIR/utils/testapp"
24 TESTAPP_NAME
="gen-ust-events"
25 TESTAPP_BIN
="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
27 EVENT_NAME
="tp:tptest"
29 TRACE_PATH
=$
(mktemp
-d)
33 source $TESTDIR/utils
/utils.sh
35 if [ ! -x "$TESTAPP_BIN" ]; then
36 BAIL_OUT
"No UST events binary detected."
39 function enable_channel_per_pid
()
44 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-channel
--buffers-pid -u $channel_name -s $sess_name >/dev
/null
2>&1
45 ok $?
"Enable channel $channel_name per PID for session $sess_name"
48 # MUST set TESTDIR before calling those functions
50 function test_ust_streaming
()
52 local file_sync_after_first
=$
(mktemp
-u)
53 local file_sync_before_last
=$
(mktemp
-u)
56 diag
"Test UST streaming with metadata regeneration"
57 create_lttng_session_uri
$SESSION_NAME net
://localhost
58 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME
60 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev
/null
2>&1 &
62 start_lttng_tracing_ok
$SESSION_NAME
64 touch ${file_sync_before_last}
66 # Wait for the applications started in background
69 # Expect a valid trace
70 stop_lttng_tracing_ok
$SESSION_NAME
71 validate_trace
$EVENT_NAME "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"*
73 # Find the metadata file
74 metadata_path
=$
(find "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"* |
grep metadata
)
76 # Empty the metadata file
77 echo -n > "$metadata_path"
79 start_lttng_tracing_ok
$SESSION_NAME
80 regenerate_metadata_ok
$SESSION_NAME
81 stop_lttng_tracing_ok
$SESSION_NAME
83 # Metadata file must have been regenerated
84 validate_trace
$EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
85 destroy_lttng_session_ok
$SESSION_NAME
88 rm -f ${file_sync_after_first}
89 rm -f ${file_sync_before_last}
92 function test_ust_local
()
94 local file_sync_after_first
=$
(mktemp
-u)
95 local file_sync_before_last
=$
(mktemp
-u)
98 diag
"Test UST local with metadata regeneration"
99 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
100 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME
102 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev
/null
2>&1 &
104 start_lttng_tracing_ok
$SESSION_NAME
106 touch ${file_sync_before_last}
108 # Wait for the applications started in background
111 # Expect a valid trace
112 stop_lttng_tracing_ok
$SESSION_NAME
113 validate_trace
$EVENT_NAME "$TRACE_PATH"
115 # Find the metadata file
116 metadata_path
=$
(find "$TRACE_PATH"* |
grep metadata
)
118 # Empty the metadata file
119 echo -n > "$metadata_path"
121 start_lttng_tracing_ok
$SESSION_NAME
122 regenerate_metadata_ok
$SESSION_NAME
123 stop_lttng_tracing_ok
$SESSION_NAME
125 # Metadata file must have been regenerated
126 validate_trace
$EVENT_NAME $TRACE_PATH
127 destroy_lttng_session_ok
$SESSION_NAME
130 rm -f ${file_sync_after_first}
131 rm -f ${file_sync_before_last}
134 function test_ust_pid
()
136 local file_sync_after_first
=$
(mktemp
-u)
137 local file_sync_before_last
=$
(mktemp
-u)
139 diag
"Test UST per-pid with metadata regeneration (expect failure)"
140 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
141 enable_channel_per_pid
$SESSION_NAME "channel0"
142 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME "channel0"
144 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev
/null
2>&1 &
146 start_lttng_tracing_ok
$SESSION_NAME
148 touch ${file_sync_before_last}
150 # Wait for the applications started in background
152 regenerate_metadata_fail
$SESSION_NAME
154 stop_lttng_tracing_ok
$SESSION_NAME
155 destroy_lttng_session_ok
$SESSION_NAME
157 validate_trace
$EVENT_NAME $TRACE_PATH
158 if [ $?
-eq 0 ]; then
159 # Only delete if successful
162 rm -f ${file_sync_after_first}
163 rm -f ${file_sync_before_last}
166 function test_ust_live
()
168 local file_sync_after_first
=$
(mktemp
-u)
169 local file_sync_before_last
=$
(mktemp
-u)
171 diag
"Test UST live with metadata regeneration (expect failure)"
172 create_lttng_session_uri
$SESSION_NAME net
://localhost
--live
173 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME
175 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev
/null
2>&1 &
177 start_lttng_tracing_ok
$SESSION_NAME
179 touch ${file_sync_before_last}
181 # Wait for the applications started in background
183 regenerate_metadata_fail
$SESSION_NAME
185 stop_lttng_tracing_ok
$SESSION_NAME
186 destroy_lttng_session_ok
$SESSION_NAME
188 validate_trace
$EVENT_NAME $TRACE_PATH
189 if [ $?
-eq 0 ]; then
190 # Only delete if successful
193 rm -f ${file_sync_after_first}
194 rm -f ${file_sync_before_last}
197 plan_tests
$NUM_TESTS
199 print_test_banner
"$TEST_DESC"
201 start_lttng_relayd
"-o $TRACE_PATH"
204 tests
=( test_ust_streaming test_ust_local test_ust_pid test_ust_live
)
206 for fct_test
in ${tests[@]};
208 SESSION_NAME
=$
(randstring
16 0)