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 UID buffers and periodical flush"
20 TESTDIR
=$CURDIR/..
/..
/..
23 TESTAPP_PATH
="$TESTDIR/utils/testapp"
24 TESTAPP_NAME
="gen-ust-events"
25 TESTAPP_BIN
="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
26 SESSION_NAME
="periodical-flush"
27 EVENT_NAME
="tp:tptest"
28 BIN_NAME
="gen-nevents"
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_uid
()
44 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-channel
--buffers-uid -u $channel_name -s $sess_name --switch-timer 100000 >/dev
/null
2>&1
45 ok $?
"Enable channel $channel_name per UID for session $sess_name"
48 function enable_channel_per_pid
()
53 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-channel
--buffers-pid -u $channel_name -s $sess_name --switch-timer 100000 >/dev
/null
2>&1
54 ok $?
"Enable channel $channel_name per UID for session $sess_name"
57 function enable_metadata_per_uid
()
60 local channel_name
="metadata"
62 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-channel
--buffers-uid -u $channel_name -s $sess_name --switch-timer 200000 >/dev
/null
2>&1
63 ok $?
"Enable channel $channel_name per UID for session $sess_name"
66 function enable_metadata_per_pid
()
69 local channel_name
="metadata"
71 $TESTDIR/..
/src
/bin
/lttng
/$LTTNG_BIN enable-channel
--buffers-pid -u $channel_name -s $sess_name --switch-timer 200000 >/dev
/null
2>&1
72 ok $?
"Enable channel $channel_name per PID for session $sess_name"
77 diag
"Waiting for applications to end..."
78 while [ -n "$(pidof $TESTAPP_NAME)" ]; do
83 function validate_trace
()
87 out
=$
(babeltrace
$TRACE_PATH |
grep $EVENT_NAME |
wc -l)
88 if [ $out -eq 0 ]; then
89 fail
"Trace validation"
90 diag
"No event(s) found. We are supposed to have at least one."
93 pass
"Trace validation"
94 diag
"Found $out event(s). Coherent."
101 test_after_app_pid
() {
104 diag
"Start application AFTER tracing is started"
106 create_lttng_session
$SESSION_NAME $TRACE_PATH
107 enable_metadata_per_pid
$SESSION_NAME
108 enable_channel_per_pid
$SESSION_NAME "channel0"
109 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME "channel0"
110 start_lttng_tracing
$SESSION_NAME
112 # Start application after tracing
113 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
114 ok $?
"Start application to trace"
116 # At least hit one event
119 # Make sure the application does not generate any more data,
120 # thus ensuring that we are not flushing a packet concurrently
121 # with validate_trace.
122 killall
-SIGSTOP -q $TESTAPP_NAME
124 # Give time to the consumer to write inflight data.
130 stop_lttng_tracing
$SESSION_NAME
131 destroy_lttng_session
$SESSION_NAME
133 killall
-SIGKILL -q $TESTAPP_NAME
139 test_before_app_pid
() {
142 diag
"Start application BEFORE tracing is started"
144 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
145 ok $?
"Start application to trace"
147 # Start application before tracing
148 create_lttng_session
$SESSION_NAME $TRACE_PATH
149 enable_metadata_per_pid
$SESSION_NAME
150 enable_channel_per_pid
$SESSION_NAME "channel0"
151 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME "channel0"
152 start_lttng_tracing
$SESSION_NAME
154 # At least hit one event
157 # Make sure the application does not generate any more data,
158 # thus ensuring that we are not flushing a packet concurrently
159 # with validate_trace.
160 killall
-SIGSTOP -q $TESTAPP_NAME
162 # Give time to the consumer to write inflight data.
168 stop_lttng_tracing
$SESSION_NAME
169 destroy_lttng_session
$SESSION_NAME
171 killall
-SIGKILL -q $TESTAPP_NAME
177 test_after_app_uid
() {
180 diag
"Start application AFTER tracing is started"
182 create_lttng_session
$SESSION_NAME $TRACE_PATH
183 enable_metadata_per_uid
$SESSION_NAME
184 enable_channel_per_uid
$SESSION_NAME "channel0"
185 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME "channel0"
186 start_lttng_tracing
$SESSION_NAME
188 # Start application after tracing
189 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
190 ok $?
"Start application to trace"
192 # At least hit one event
195 # Make sure the application does not generate any more data,
196 # thus ensuring that we are not flushing a packet concurrently
197 # with validate_trace.
198 killall
-SIGSTOP -q $TESTAPP_NAME
200 # Give time to the consumer to write inflight data.
206 stop_lttng_tracing
$SESSION_NAME
207 destroy_lttng_session
$SESSION_NAME
209 killall
-SIGKILL -q $TESTAPP_NAME
215 test_before_app_uid
() {
218 diag
"Start application BEFORE tracing is started"
220 # Start application before tracing
221 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
222 ok $?
"Start application to trace"
224 create_lttng_session
$SESSION_NAME $TRACE_PATH
225 enable_metadata_per_uid
$SESSION_NAME
226 enable_channel_per_uid
$SESSION_NAME "channel0"
227 enable_ust_lttng_event
$SESSION_NAME $EVENT_NAME "channel0"
228 start_lttng_tracing
$SESSION_NAME
230 # At least hit one event
233 # Make sure the application does not generate any more data,
234 # thus ensuring that we are not flushing a packet concurrently
235 # with validate_trace.
236 killall
-SIGSTOP -q $TESTAPP_NAME
238 # Give time to the consumer to write inflight data.
244 stop_lttng_tracing
$SESSION_NAME
245 destroy_lttng_session
$SESSION_NAME
247 killall
-SIGKILL -q $TESTAPP_NAME
253 # MUST set TESTDIR before calling those functions
254 plan_tests
$NUM_TESTS
256 print_test_banner
"$TEST_DESC"
259 "test_before_app_uid"
261 "test_before_app_pid"
265 TEST_COUNT
=${#TESTS[@]}
270 while [ $i -lt $TEST_COUNT ]; do
271 TRACE_PATH
=$
(mktemp
-d)
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