3 # Copyright (C) - 2012 David Goulet <dgoulet@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
="UST tracer - Tracing with per PID buffers"
20 TESTDIR
=$CURDIR/..
/..
/..
23 SESSION_NAME
="buffers-pid"
25 TESTAPP_PATH
="$TESTDIR/utils/testapp"
26 TESTAPP_NAME
="gen-ust-events"
27 TESTAPP_BIN
="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
28 EVENT_NAME
="tp:tptest"
31 source $TESTDIR/utils
/utils.sh
33 if [ ! -x "$TESTAPP_BIN" ]; then
34 BAIL_OUT
"No UST events binary detected."
37 # MUST set TESTDIR before calling those functions
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 test_after_multiple_apps
() {
52 diag
"Start multiple applications AFTER tracing is started"
54 # BEFORE application is spawned
55 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
56 enable_channel_per_pid
$SESSION_NAME "channel0"
57 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME "channel0"
58 start_lttng_tracing_ok
$SESSION_NAME
60 for i
in `seq 1 5`; do
61 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT >/dev
/null
2>&1 &
62 ok $?
"Start application $i for tracing"
66 stop_lttng_tracing_ok
$SESSION_NAME
67 destroy_lttng_session_ok
$SESSION_NAME
69 trace_match_only
$EVENT_NAME $
[NR_ITER
* 5] $TRACE_PATH
74 test_before_multiple_apps
() {
77 local file_sync_after_first
=$
(mktemp
-u)
78 local file_sync_before_last
=$
(mktemp
-u)
80 diag
"Start multiple applications BEFORE tracing is started"
82 for i
in `seq 1 5`; do
83 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
84 --sync-after-first-event ${file_sync_after_first}_
${i} \
85 --sync-before-last-event ${file_sync_before_last}_
${i} >/dev
/null
2>&1 &
86 ok $?
"Start application $i for tracing"
89 # BEFORE application is spawned
90 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
91 enable_channel_per_pid
$SESSION_NAME "channel0"
92 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME "channel0"
93 start_lttng_tracing_ok
$SESSION_NAME
95 for i
in `seq 1 5`; do
96 touch ${file_sync_before_last}_
${i}
99 diag
"Waiting for applications to end"
103 stop_lttng_tracing_ok
$SESSION_NAME
104 destroy_lttng_session_ok
$SESSION_NAME
106 for i
in `seq 1 5`; do
107 rm -f ${file_sync_after_first}_
${i}
108 rm -f ${file_sync_before_last}_
${i}
111 out
=$
(babeltrace
$TRACE_PATH |
grep $EVENT_NAME |
wc -l)
112 if [ $out -eq 0 ]; then
113 fail
"Trace validation"
114 diag
"No event(s) found. We are supposed to have at least one."
117 pass
"Trace validation"
118 diag
"Found $out event(s). Coherent."
128 diag
"Start application AFTER tracing is started"
130 # BEFORE application is spawned
131 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
132 enable_channel_per_pid
$SESSION_NAME "channel0"
133 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME "channel0"
134 start_lttng_tracing_ok
$SESSION_NAME
136 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT &
137 ok $?
"Start application to trace"
140 stop_lttng_tracing_ok
$SESSION_NAME
141 destroy_lttng_session_ok
$SESSION_NAME
143 trace_match_only
$EVENT_NAME $NR_ITER $TRACE_PATH
150 local file_sync_after_first
=$
(mktemp
-u)
151 local file_sync_before_last
=$
(mktemp
-u)
153 diag
"Start application BEFORE tracing is started"
156 # BEFORE application is spawned
157 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
158 enable_channel_per_pid
$SESSION_NAME "channel0"
159 enable_ust_lttng_event_ok
$SESSION_NAME $EVENT_NAME "channel0"
161 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
162 --sync-after-first-event ${file_sync_after_first} \
163 --sync-before-last-event ${file_sync_before_last} &
164 ok $?
"Start application to trace"
166 start_lttng_tracing_ok
$SESSION_NAME
168 touch ${file_sync_before_last}
172 stop_lttng_tracing_ok
$SESSION_NAME
173 destroy_lttng_session_ok
$SESSION_NAME
175 rm -f ${file_sync_after_first}
176 rm -f ${file_sync_before_last}
178 out
=$
(babeltrace
$TRACE_PATH |
grep $EVENT_NAME |
wc -l)
179 if [ $out -eq 0 ]; then
180 fail
"Trace validation"
181 diag
"No event(s) found. We are supposed to have at least one."
184 pass
"Trace validation"
185 diag
"Found $out event(s). Coherent."
192 test_multiple_channels
() {
195 diag
"Start with multiple channels"
197 # BEFORE application is spawned
198 create_lttng_session_ok
$SESSION_NAME $TRACE_PATH
199 enable_channel_per_pid
$SESSION_NAME "channel0"
200 enable_channel_per_pid
$SESSION_NAME "channel1"
201 enable_channel_per_pid
$SESSION_NAME "channel2"
202 enable_channel_per_pid
$SESSION_NAME "channel3"
203 enable_channel_per_pid
$SESSION_NAME "channel4"
204 # Enable event in all channels.
205 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel0
-s $SESSION_NAME -u >/dev
/null
2>&1
206 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel0"
207 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel1
-s $SESSION_NAME -u >/dev
/null
2>&1
208 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel1"
209 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel2
-s $SESSION_NAME -u >/dev
/null
2>&1
210 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel2"
211 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel3
-s $SESSION_NAME -u >/dev
/null
2>&1
212 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel3"
213 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel4
-s $SESSION_NAME -u >/dev
/null
2>&1
214 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel4"
215 start_lttng_tracing_ok
$SESSION_NAME
217 $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT &
218 ok $?
"Start application to trace"
221 stop_lttng_tracing_ok
$SESSION_NAME
222 trace_match_only
$EVENT_NAME $
[NR_ITER
* 5] $TRACE_PATH
225 destroy_lttng_session_ok
$SESSION_NAME
230 # MUST set TESTDIR before calling those functions
231 plan_tests
$NUM_TESTS
233 print_test_banner
"$TEST_DESC"
238 "test_after_multiple_apps"
239 "test_before_multiple_apps"
240 "test_multiple_channels"
243 TEST_COUNT
=${#TESTS[@]}
248 while [ $i -lt $TEST_COUNT ]; do
249 TRACE_PATH
=$
(mktemp
-d)