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 $sess_name"
50 diag
"Waiting for applications to end..."
51 while [ -n "$(pidof $TESTAPP_NAME)" ]; do
56 test_after_multiple_apps
() {
60 diag
"Start multiple applications AFTER tracing is started"
62 # BEFORE application is spawned
63 create_lttng_session
$SESSION_NAME $TRACE_PATH
64 enable_channel_per_pid
$SESSION_NAME "channel0"
65 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME "channel0"
66 start_lttng_tracing
$SESSION_NAME
68 for i
in `seq 1 5`; do
69 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev
/null
2>&1
70 ok $?
"Start application $i for tracing"
73 stop_lttng_tracing
$SESSION_NAME
74 destroy_lttng_session
$SESSION_NAME
76 trace_match_only
$EVENT_NAME $
[NR_ITER
* 5] $TRACE_PATH
81 test_before_multiple_apps
() {
85 diag
"Start multiple applications BEFORE tracing is started"
87 for i
in `seq 1 5`; do
88 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & >/dev
/null
2>&1
89 ok $?
"Start application $i for tracing"
92 # BEFORE application is spawned
93 create_lttng_session
$SESSION_NAME $TRACE_PATH
94 enable_channel_per_pid
$SESSION_NAME "channel0"
95 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME "channel0"
96 start_lttng_tracing
$SESSION_NAME
98 # At least hit one event
101 stop_lttng_tracing
$SESSION_NAME
102 destroy_lttng_session
$SESSION_NAME
104 out
=$
(babeltrace
$TRACE_PATH |
grep $EVENT_NAME |
wc -l)
105 if [ $out -eq 0 ]; then
106 fail
"Trace validation"
107 diag
"No event(s) found. We are supposed to have at least one."
110 pass
"Trace validation"
111 diag
"Found $out event(s). Coherent."
123 diag
"Start application AFTER tracing is started"
125 # BEFORE application is spawned
126 create_lttng_session
$SESSION_NAME $TRACE_PATH
127 enable_channel_per_pid
$SESSION_NAME "channel0"
128 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME "channel0"
129 start_lttng_tracing
$SESSION_NAME
131 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
132 ok $?
"Start application to trace"
134 stop_lttng_tracing
$SESSION_NAME
135 destroy_lttng_session
$SESSION_NAME
137 trace_match_only
$EVENT_NAME $NR_ITER $TRACE_PATH
145 diag
"Start application BEFORE tracing is started"
148 # BEFORE application is spawned
149 create_lttng_session
$SESSION_NAME $TRACE_PATH
150 enable_channel_per_pid
$SESSION_NAME "channel0"
151 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME "channel0"
153 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
154 ok $?
"Start application to trace"
156 start_lttng_tracing
$SESSION_NAME
160 stop_lttng_tracing
$SESSION_NAME
161 destroy_lttng_session
$SESSION_NAME
163 out
=$
(babeltrace
$TRACE_PATH |
grep $EVENT_NAME |
wc -l)
164 if [ $out -eq 0 ]; then
165 fail
"Trace validation"
166 diag
"No event(s) found. We are supposed to have at least one."
169 pass
"Trace validation"
170 diag
"Found $out event(s). Coherent."
177 test_multiple_channels
() {
180 diag
"Start with multiple channels"
182 # BEFORE application is spawned
183 create_lttng_session
$SESSION_NAME $TRACE_PATH
184 enable_channel_per_pid
$SESSION_NAME "channel0"
185 enable_channel_per_pid
$SESSION_NAME "channel1"
186 enable_channel_per_pid
$SESSION_NAME "channel2"
187 enable_channel_per_pid
$SESSION_NAME "channel3"
188 enable_channel_per_pid
$SESSION_NAME "channel4"
189 # Enable event in all channels.
190 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel0
-s $SESSION_NAME -u >/dev
/null
2>&1
191 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel0"
192 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel1
-s $SESSION_NAME -u >/dev
/null
2>&1
193 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel1"
194 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel2
-s $SESSION_NAME -u >/dev
/null
2>&1
195 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel2"
196 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel3
-s $SESSION_NAME -u >/dev
/null
2>&1
197 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel3"
198 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-event
$EVENT_NAME -c channel4
-s $SESSION_NAME -u >/dev
/null
2>&1
199 ok $?
"Enable event $EVENT_NAME for session $SESSION_NAME in channel4"
200 start_lttng_tracing
$SESSION_NAME
202 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
203 ok $?
"Start application to trace"
205 stop_lttng_tracing
$SESSION_NAME
206 trace_match_only
$EVENT_NAME $
[NR_ITER
* 5] $TRACE_PATH
209 destroy_lttng_session
$SESSION_NAME
214 # MUST set TESTDIR before calling those functions
215 plan_tests
$NUM_TESTS
217 print_test_banner
"$TEST_DESC"
222 "test_after_multiple_apps"
223 "test_before_multiple_apps"
224 "test_multiple_channels"
227 TEST_COUNT
=${#TESTS[@]}
232 while [ $i -lt $TEST_COUNT ]; do
233 TRACE_PATH
=$
(mktemp
-d)