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a788a3ed DG |
1 | #!/bin/bash |
2 | # | |
3 | # Copyright (C) - 2012 David Goulet <dgoulet@efficios.com> | |
4 | # | |
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. | |
8 | # | |
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 | |
12 | # details. | |
13 | # | |
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" | |
18 | ||
19 | CURDIR=$(dirname $0)/ | |
20 | TESTDIR=$CURDIR/../../.. | |
21 | NR_ITER=100 | |
b688191f CB |
22 | NR_USEC_WAIT=100000 |
23 | TESTAPP_PATH="$TESTDIR/utils/testapp" | |
24 | TESTAPP_NAME="gen-ust-events" | |
25 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" | |
a788a3ed | 26 | SESSION_NAME="periodical-flush" |
b688191f | 27 | EVENT_NAME="tp:tptest" |
a788a3ed DG |
28 | BIN_NAME="gen-nevents" |
29 | NUM_TESTS=38 | |
5fcaccbc | 30 | APP_TMP_FILE=$(mktemp -u) |
c7613334 | 31 | APPS_PID= |
a788a3ed DG |
32 | |
33 | source $TESTDIR/utils/utils.sh | |
34 | ||
b688191f CB |
35 | if [ ! -x "$TESTAPP_BIN" ]; then |
36 | BAIL_OUT "No UST events binary detected." | |
a788a3ed DG |
37 | fi |
38 | ||
39 | # MUST set TESTDIR before calling those functions | |
40 | ||
41 | function enable_channel_per_uid() | |
42 | { | |
43 | local sess_name=$1 | |
44 | local channel_name=$2 | |
45 | ||
a055228d | 46 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --switch-timer 100000 >/dev/null 2>&1 |
dd770530 DG |
47 | ok $? "Enable channel $channel_name per UID for session $sess_name" |
48 | } | |
49 | ||
50 | function enable_channel_per_pid() | |
51 | { | |
52 | local sess_name=$1 | |
53 | local channel_name=$2 | |
54 | ||
a055228d | 55 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name --switch-timer 100000 >/dev/null 2>&1 |
a788a3ed DG |
56 | ok $? "Enable channel $channel_name per UID for session $sess_name" |
57 | } | |
58 | ||
59 | function enable_metadata_per_uid() | |
60 | { | |
61 | local sess_name=$1 | |
62 | local channel_name="metadata" | |
63 | ||
64 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --switch-timer 200000 >/dev/null 2>&1 | |
65 | ok $? "Enable channel $channel_name per UID for session $sess_name" | |
66 | } | |
67 | ||
68 | function enable_metadata_per_pid() | |
69 | { | |
70 | local sess_name=$1 | |
71 | local channel_name="metadata" | |
72 | ||
73 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name --switch-timer 200000 >/dev/null 2>&1 | |
74 | ok $? "Enable channel $channel_name per PID for session $sess_name" | |
75 | } | |
76 | ||
dd770530 DG |
77 | function validate_trace() |
78 | { | |
79 | local out | |
80 | ||
81 | out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l) | |
82 | if [ $out -eq 0 ]; then | |
83 | fail "Trace validation" | |
84 | diag "No event(s) found. We are supposed to have at least one." | |
85 | out=1 | |
86 | else | |
87 | pass "Trace validation" | |
88 | diag "Found $out event(s). Coherent." | |
89 | out=0 | |
90 | fi | |
91 | ||
92 | return $out | |
93 | } | |
94 | ||
8c93562f DG |
95 | function check_app_tmp_file() |
96 | { | |
97 | # Wait for the application file to appear indicating that at least one | |
98 | # tracepoint has been fired. | |
99 | while [ ! -f "$APP_TMP_FILE" ]; do | |
100 | sleep 0.5 | |
101 | done | |
102 | diag "Removing test app temporary file $APP_TMP_FILE" | |
103 | rm -f $APP_TMP_FILE | |
104 | } | |
105 | ||
106 | function start_trace_app() | |
107 | { | |
108 | # Start application with a temporary file. | |
109 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT $APP_TMP_FILE & | |
c7613334 MD |
110 | ret=$? |
111 | APPS_PID="${APPS_PID} ${!}" | |
112 | ok $ret "Start application to trace" | |
8c93562f DG |
113 | } |
114 | ||
115 | function start_check_trace_app() | |
116 | { | |
117 | start_trace_app | |
118 | check_app_tmp_file | |
119 | } | |
120 | ||
c7613334 MD |
121 | |
122 | function wait_trace_apps() | |
123 | { | |
124 | for p in ${APPS_PID}; do | |
125 | wait ${p} 2>/dev/null | |
126 | done | |
127 | APPS_PID= | |
128 | } | |
129 | ||
a788a3ed DG |
130 | test_after_app_pid() { |
131 | local out | |
132 | ||
c7613334 MD |
133 | APPS_PID= |
134 | ||
a788a3ed DG |
135 | diag "Start application AFTER tracing is started" |
136 | ||
bf6ae429 | 137 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
a788a3ed | 138 | enable_metadata_per_pid $SESSION_NAME |
dd770530 | 139 | enable_channel_per_pid $SESSION_NAME "channel0" |
c4926bb5 | 140 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
e563bbdb | 141 | start_lttng_tracing_ok $SESSION_NAME |
a788a3ed | 142 | |
a055228d | 143 | # Start application after tracing |
8c93562f DG |
144 | start_check_trace_app |
145 | # After this point we are sure that at least one event has been hit. | |
a055228d MD |
146 | |
147 | # Make sure the application does not generate any more data, | |
148 | # thus ensuring that we are not flushing a packet concurrently | |
149 | # with validate_trace. | |
c7613334 MD |
150 | for p in ${APPS_PID}; do |
151 | kill -s SIGSTOP ${p} | |
152 | done | |
8a251cb8 DG |
153 | |
154 | # Give time to the consumer to write inflight data. | |
a055228d MD |
155 | sleep 2 |
156 | ||
dd770530 DG |
157 | validate_trace |
158 | out=$? | |
159 | ||
c7613334 MD |
160 | for p in ${APPS_PID}; do |
161 | kill -s SIGKILL ${p} | |
162 | wait ${p} 2>/dev/null | |
163 | done | |
96340a01 | 164 | stop_lttng_tracing_ok $SESSION_NAME |
67b4c664 | 165 | destroy_lttng_session_ok $SESSION_NAME |
a788a3ed | 166 | |
c7613334 | 167 | wait_trace_apps |
8a251cb8 | 168 | |
dd770530 | 169 | return $out |
a788a3ed DG |
170 | } |
171 | ||
172 | test_before_app_pid() { | |
173 | local out | |
8c93562f | 174 | local tmp_file="/tmp/lttng_test_ust.42.file" |
a788a3ed | 175 | |
c7613334 MD |
176 | APPS_PID= |
177 | ||
a788a3ed DG |
178 | diag "Start application BEFORE tracing is started" |
179 | ||
8c93562f | 180 | start_trace_app |
a788a3ed | 181 | |
a055228d | 182 | # Start application before tracing |
bf6ae429 | 183 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
a788a3ed | 184 | enable_metadata_per_pid $SESSION_NAME |
dd770530 | 185 | enable_channel_per_pid $SESSION_NAME "channel0" |
c4926bb5 | 186 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
e563bbdb | 187 | start_lttng_tracing_ok $SESSION_NAME |
a788a3ed | 188 | |
8c93562f DG |
189 | check_app_tmp_file |
190 | # Let the application at least perform a flush! | |
a788a3ed | 191 | sleep 2 |
a055228d MD |
192 | |
193 | # Make sure the application does not generate any more data, | |
194 | # thus ensuring that we are not flushing a packet concurrently | |
195 | # with validate_trace. | |
c7613334 MD |
196 | for p in ${APPS_PID}; do |
197 | kill -s SIGSTOP ${p} | |
198 | done | |
8a251cb8 DG |
199 | |
200 | # Give time to the consumer to write inflight data. | |
a055228d MD |
201 | sleep 2 |
202 | ||
dd770530 DG |
203 | validate_trace |
204 | out=$? | |
a788a3ed | 205 | |
c7613334 MD |
206 | for p in ${APPS_PID}; do |
207 | kill -s SIGKILL ${p} | |
208 | wait ${p} 2>/dev/null | |
209 | done | |
210 | ||
96340a01 | 211 | stop_lttng_tracing_ok $SESSION_NAME |
67b4c664 | 212 | destroy_lttng_session_ok $SESSION_NAME |
a788a3ed | 213 | |
c7613334 | 214 | wait_trace_apps |
a788a3ed DG |
215 | |
216 | return $out | |
217 | } | |
218 | ||
219 | test_after_app_uid() { | |
220 | local out | |
221 | ||
c7613334 MD |
222 | APPS_PID= |
223 | ||
a788a3ed DG |
224 | diag "Start application AFTER tracing is started" |
225 | ||
bf6ae429 | 226 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
a788a3ed DG |
227 | enable_metadata_per_uid $SESSION_NAME |
228 | enable_channel_per_uid $SESSION_NAME "channel0" | |
c4926bb5 | 229 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
e563bbdb | 230 | start_lttng_tracing_ok $SESSION_NAME |
a788a3ed | 231 | |
a055228d | 232 | # Start application after tracing |
8c93562f DG |
233 | start_check_trace_app |
234 | # After this point we are sure that at least one event has been hit. | |
a055228d MD |
235 | |
236 | # Make sure the application does not generate any more data, | |
237 | # thus ensuring that we are not flushing a packet concurrently | |
238 | # with validate_trace. | |
c7613334 MD |
239 | for p in ${APPS_PID}; do |
240 | kill -s SIGSTOP ${p} | |
241 | done | |
242 | ||
8a251cb8 DG |
243 | |
244 | # Give time to the consumer to write inflight data. | |
a055228d MD |
245 | sleep 2 |
246 | ||
dd770530 DG |
247 | validate_trace |
248 | out=$? | |
249 | ||
c7613334 MD |
250 | for p in ${APPS_PID}; do |
251 | kill -s SIGKILL ${p} | |
252 | wait ${p} 2>/dev/null | |
253 | done | |
96340a01 | 254 | stop_lttng_tracing_ok $SESSION_NAME |
67b4c664 | 255 | destroy_lttng_session_ok $SESSION_NAME |
a788a3ed | 256 | |
c7613334 | 257 | wait_trace_apps |
8a251cb8 | 258 | |
dd770530 | 259 | return $out |
a788a3ed DG |
260 | } |
261 | ||
262 | test_before_app_uid() { | |
263 | local out | |
264 | ||
c7613334 MD |
265 | APPS_PID= |
266 | ||
a788a3ed DG |
267 | diag "Start application BEFORE tracing is started" |
268 | ||
8a251cb8 | 269 | # Start application before tracing |
8c93562f | 270 | start_trace_app |
a788a3ed | 271 | |
bf6ae429 | 272 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
a788a3ed DG |
273 | enable_metadata_per_uid $SESSION_NAME |
274 | enable_channel_per_uid $SESSION_NAME "channel0" | |
c4926bb5 | 275 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
e563bbdb | 276 | start_lttng_tracing_ok $SESSION_NAME |
a788a3ed | 277 | |
8c93562f DG |
278 | check_app_tmp_file |
279 | # Let the application at least perform a flush! | |
a788a3ed | 280 | sleep 2 |
a055228d MD |
281 | |
282 | # Make sure the application does not generate any more data, | |
283 | # thus ensuring that we are not flushing a packet concurrently | |
284 | # with validate_trace. | |
c7613334 MD |
285 | for p in ${APPS_PID}; do |
286 | kill -s SIGSTOP ${p} | |
287 | done | |
8a251cb8 DG |
288 | |
289 | # Give time to the consumer to write inflight data. | |
a055228d MD |
290 | sleep 2 |
291 | ||
dd770530 DG |
292 | validate_trace |
293 | out=$? | |
a788a3ed | 294 | |
c7613334 MD |
295 | for p in ${APPS_PID}; do |
296 | kill -s SIGKILL ${p} | |
297 | wait ${p} 2>/dev/null | |
298 | done | |
96340a01 | 299 | stop_lttng_tracing_ok $SESSION_NAME |
67b4c664 | 300 | destroy_lttng_session_ok $SESSION_NAME |
a788a3ed | 301 | |
c7613334 | 302 | wait_trace_apps |
a788a3ed DG |
303 | |
304 | return $out | |
305 | } | |
306 | ||
307 | # MUST set TESTDIR before calling those functions | |
308 | plan_tests $NUM_TESTS | |
309 | ||
310 | print_test_banner "$TEST_DESC" | |
311 | ||
312 | TESTS=( | |
313 | "test_before_app_uid" | |
314 | "test_after_app_uid" | |
315 | "test_before_app_pid" | |
316 | "test_after_app_pid" | |
317 | ) | |
318 | ||
319 | TEST_COUNT=${#TESTS[@]} | |
320 | i=0 | |
321 | ||
322 | start_lttng_sessiond | |
323 | ||
324 | while [ $i -lt $TEST_COUNT ]; do | |
325 | TRACE_PATH=$(mktemp -d) | |
326 | ${TESTS[$i]} | |
2345b91f | 327 | rm -rf $TRACE_PATH |
a788a3ed DG |
328 | let "i++" |
329 | done | |
330 | ||
331 | stop_lttng_sessiond |