Commit | Line | Data |
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a788a3ed DG |
1 | #!/bin/bash |
2 | # | |
9d16b343 | 3 | # Copyright (C) 2012 David Goulet <dgoulet@efficios.com> |
a788a3ed | 4 | # |
9d16b343 MJ |
5 | # SPDX-License-Identifier: LGPL-2.1-only |
6 | ||
a788a3ed DG |
7 | TEST_DESC="UST tracer - Tracing with per UID buffers and periodical flush" |
8 | ||
9 | CURDIR=$(dirname $0)/ | |
10 | TESTDIR=$CURDIR/../../.. | |
11 | NR_ITER=100 | |
b688191f CB |
12 | NR_USEC_WAIT=100000 |
13 | TESTAPP_PATH="$TESTDIR/utils/testapp" | |
14 | TESTAPP_NAME="gen-ust-events" | |
15 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" | |
a788a3ed | 16 | SESSION_NAME="periodical-flush" |
b688191f | 17 | EVENT_NAME="tp:tptest" |
a788a3ed DG |
18 | BIN_NAME="gen-nevents" |
19 | NUM_TESTS=38 | |
5fcaccbc | 20 | APP_TMP_FILE=$(mktemp -u) |
c7613334 | 21 | APPS_PID= |
a788a3ed DG |
22 | |
23 | source $TESTDIR/utils/utils.sh | |
24 | ||
b688191f CB |
25 | if [ ! -x "$TESTAPP_BIN" ]; then |
26 | BAIL_OUT "No UST events binary detected." | |
a788a3ed DG |
27 | fi |
28 | ||
29 | # MUST set TESTDIR before calling those functions | |
30 | ||
31 | function enable_channel_per_uid() | |
32 | { | |
33 | local sess_name=$1 | |
34 | local channel_name=$2 | |
35 | ||
a055228d | 36 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --switch-timer 100000 >/dev/null 2>&1 |
dd770530 DG |
37 | ok $? "Enable channel $channel_name per UID for session $sess_name" |
38 | } | |
39 | ||
40 | function enable_channel_per_pid() | |
41 | { | |
42 | local sess_name=$1 | |
43 | local channel_name=$2 | |
44 | ||
a055228d | 45 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name --switch-timer 100000 >/dev/null 2>&1 |
a788a3ed DG |
46 | ok $? "Enable channel $channel_name per UID for session $sess_name" |
47 | } | |
48 | ||
49 | function enable_metadata_per_uid() | |
50 | { | |
51 | local sess_name=$1 | |
52 | local channel_name="metadata" | |
53 | ||
54 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --switch-timer 200000 >/dev/null 2>&1 | |
55 | ok $? "Enable channel $channel_name per UID for session $sess_name" | |
56 | } | |
57 | ||
58 | function enable_metadata_per_pid() | |
59 | { | |
60 | local sess_name=$1 | |
61 | local channel_name="metadata" | |
62 | ||
63 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name --switch-timer 200000 >/dev/null 2>&1 | |
64 | ok $? "Enable channel $channel_name per PID for session $sess_name" | |
65 | } | |
66 | ||
dd770530 DG |
67 | function validate_trace() |
68 | { | |
69 | local out | |
70 | ||
71 | out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l) | |
72 | if [ $out -eq 0 ]; then | |
73 | fail "Trace validation" | |
74 | diag "No event(s) found. We are supposed to have at least one." | |
75 | out=1 | |
76 | else | |
77 | pass "Trace validation" | |
78 | diag "Found $out event(s). Coherent." | |
79 | out=0 | |
80 | fi | |
81 | ||
82 | return $out | |
83 | } | |
84 | ||
8c93562f DG |
85 | function check_app_tmp_file() |
86 | { | |
87 | # Wait for the application file to appear indicating that at least one | |
88 | # tracepoint has been fired. | |
89 | while [ ! -f "$APP_TMP_FILE" ]; do | |
90 | sleep 0.5 | |
91 | done | |
92 | diag "Removing test app temporary file $APP_TMP_FILE" | |
93 | rm -f $APP_TMP_FILE | |
94 | } | |
95 | ||
96 | function start_trace_app() | |
97 | { | |
98 | # Start application with a temporary file. | |
6c4a91d6 | 99 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT --sync-after-first-event $APP_TMP_FILE & |
c7613334 MD |
100 | ret=$? |
101 | APPS_PID="${APPS_PID} ${!}" | |
102 | ok $ret "Start application to trace" | |
8c93562f DG |
103 | } |
104 | ||
105 | function start_check_trace_app() | |
106 | { | |
107 | start_trace_app | |
108 | check_app_tmp_file | |
109 | } | |
110 | ||
c7613334 MD |
111 | |
112 | function wait_trace_apps() | |
113 | { | |
114 | for p in ${APPS_PID}; do | |
115 | wait ${p} 2>/dev/null | |
116 | done | |
117 | APPS_PID= | |
118 | } | |
119 | ||
a788a3ed DG |
120 | test_after_app_pid() { |
121 | local out | |
122 | ||
c7613334 MD |
123 | APPS_PID= |
124 | ||
a788a3ed DG |
125 | diag "Start application AFTER tracing is started" |
126 | ||
bf6ae429 | 127 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
a788a3ed | 128 | enable_metadata_per_pid $SESSION_NAME |
dd770530 | 129 | enable_channel_per_pid $SESSION_NAME "channel0" |
c4926bb5 | 130 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
e563bbdb | 131 | start_lttng_tracing_ok $SESSION_NAME |
a788a3ed | 132 | |
a055228d | 133 | # Start application after tracing |
8c93562f DG |
134 | start_check_trace_app |
135 | # After this point we are sure that at least one event has been hit. | |
a055228d MD |
136 | |
137 | # Make sure the application does not generate any more data, | |
138 | # thus ensuring that we are not flushing a packet concurrently | |
139 | # with validate_trace. | |
c7613334 MD |
140 | for p in ${APPS_PID}; do |
141 | kill -s SIGSTOP ${p} | |
142 | done | |
8a251cb8 DG |
143 | |
144 | # Give time to the consumer to write inflight data. | |
a055228d MD |
145 | sleep 2 |
146 | ||
dd770530 DG |
147 | validate_trace |
148 | out=$? | |
149 | ||
c7613334 MD |
150 | for p in ${APPS_PID}; do |
151 | kill -s SIGKILL ${p} | |
152 | wait ${p} 2>/dev/null | |
153 | done | |
96340a01 | 154 | stop_lttng_tracing_ok $SESSION_NAME |
67b4c664 | 155 | destroy_lttng_session_ok $SESSION_NAME |
a788a3ed | 156 | |
c7613334 | 157 | wait_trace_apps |
8a251cb8 | 158 | |
dd770530 | 159 | return $out |
a788a3ed DG |
160 | } |
161 | ||
162 | test_before_app_pid() { | |
163 | local out | |
8c93562f | 164 | local tmp_file="/tmp/lttng_test_ust.42.file" |
a788a3ed | 165 | |
c7613334 MD |
166 | APPS_PID= |
167 | ||
a788a3ed DG |
168 | diag "Start application BEFORE tracing is started" |
169 | ||
8c93562f | 170 | start_trace_app |
a788a3ed | 171 | |
a055228d | 172 | # Start application before tracing |
bf6ae429 | 173 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
a788a3ed | 174 | enable_metadata_per_pid $SESSION_NAME |
dd770530 | 175 | enable_channel_per_pid $SESSION_NAME "channel0" |
c4926bb5 | 176 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
e563bbdb | 177 | start_lttng_tracing_ok $SESSION_NAME |
a788a3ed | 178 | |
8c93562f DG |
179 | check_app_tmp_file |
180 | # Let the application at least perform a flush! | |
a788a3ed | 181 | sleep 2 |
a055228d MD |
182 | |
183 | # Make sure the application does not generate any more data, | |
184 | # thus ensuring that we are not flushing a packet concurrently | |
185 | # with validate_trace. | |
c7613334 MD |
186 | for p in ${APPS_PID}; do |
187 | kill -s SIGSTOP ${p} | |
188 | done | |
8a251cb8 DG |
189 | |
190 | # Give time to the consumer to write inflight data. | |
a055228d MD |
191 | sleep 2 |
192 | ||
dd770530 DG |
193 | validate_trace |
194 | out=$? | |
a788a3ed | 195 | |
c7613334 MD |
196 | for p in ${APPS_PID}; do |
197 | kill -s SIGKILL ${p} | |
198 | wait ${p} 2>/dev/null | |
199 | done | |
200 | ||
96340a01 | 201 | stop_lttng_tracing_ok $SESSION_NAME |
67b4c664 | 202 | destroy_lttng_session_ok $SESSION_NAME |
a788a3ed | 203 | |
c7613334 | 204 | wait_trace_apps |
a788a3ed DG |
205 | |
206 | return $out | |
207 | } | |
208 | ||
209 | test_after_app_uid() { | |
210 | local out | |
211 | ||
c7613334 MD |
212 | APPS_PID= |
213 | ||
a788a3ed DG |
214 | diag "Start application AFTER tracing is started" |
215 | ||
bf6ae429 | 216 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
a788a3ed DG |
217 | enable_metadata_per_uid $SESSION_NAME |
218 | enable_channel_per_uid $SESSION_NAME "channel0" | |
c4926bb5 | 219 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
e563bbdb | 220 | start_lttng_tracing_ok $SESSION_NAME |
a788a3ed | 221 | |
a055228d | 222 | # Start application after tracing |
8c93562f DG |
223 | start_check_trace_app |
224 | # After this point we are sure that at least one event has been hit. | |
a055228d MD |
225 | |
226 | # Make sure the application does not generate any more data, | |
227 | # thus ensuring that we are not flushing a packet concurrently | |
228 | # with validate_trace. | |
c7613334 MD |
229 | for p in ${APPS_PID}; do |
230 | kill -s SIGSTOP ${p} | |
231 | done | |
232 | ||
8a251cb8 DG |
233 | |
234 | # Give time to the consumer to write inflight data. | |
a055228d MD |
235 | sleep 2 |
236 | ||
dd770530 DG |
237 | validate_trace |
238 | out=$? | |
239 | ||
c7613334 MD |
240 | for p in ${APPS_PID}; do |
241 | kill -s SIGKILL ${p} | |
242 | wait ${p} 2>/dev/null | |
243 | done | |
96340a01 | 244 | stop_lttng_tracing_ok $SESSION_NAME |
67b4c664 | 245 | destroy_lttng_session_ok $SESSION_NAME |
a788a3ed | 246 | |
c7613334 | 247 | wait_trace_apps |
8a251cb8 | 248 | |
dd770530 | 249 | return $out |
a788a3ed DG |
250 | } |
251 | ||
252 | test_before_app_uid() { | |
253 | local out | |
254 | ||
c7613334 MD |
255 | APPS_PID= |
256 | ||
a788a3ed DG |
257 | diag "Start application BEFORE tracing is started" |
258 | ||
8a251cb8 | 259 | # Start application before tracing |
8c93562f | 260 | start_trace_app |
a788a3ed | 261 | |
bf6ae429 | 262 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
a788a3ed DG |
263 | enable_metadata_per_uid $SESSION_NAME |
264 | enable_channel_per_uid $SESSION_NAME "channel0" | |
c4926bb5 | 265 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
e563bbdb | 266 | start_lttng_tracing_ok $SESSION_NAME |
a788a3ed | 267 | |
8c93562f DG |
268 | check_app_tmp_file |
269 | # Let the application at least perform a flush! | |
a788a3ed | 270 | sleep 2 |
a055228d MD |
271 | |
272 | # Make sure the application does not generate any more data, | |
273 | # thus ensuring that we are not flushing a packet concurrently | |
274 | # with validate_trace. | |
c7613334 MD |
275 | for p in ${APPS_PID}; do |
276 | kill -s SIGSTOP ${p} | |
277 | done | |
8a251cb8 DG |
278 | |
279 | # Give time to the consumer to write inflight data. | |
a055228d MD |
280 | sleep 2 |
281 | ||
dd770530 DG |
282 | validate_trace |
283 | out=$? | |
a788a3ed | 284 | |
c7613334 MD |
285 | for p in ${APPS_PID}; do |
286 | kill -s SIGKILL ${p} | |
287 | wait ${p} 2>/dev/null | |
288 | done | |
96340a01 | 289 | stop_lttng_tracing_ok $SESSION_NAME |
67b4c664 | 290 | destroy_lttng_session_ok $SESSION_NAME |
a788a3ed | 291 | |
c7613334 | 292 | wait_trace_apps |
a788a3ed DG |
293 | |
294 | return $out | |
295 | } | |
296 | ||
297 | # MUST set TESTDIR before calling those functions | |
298 | plan_tests $NUM_TESTS | |
299 | ||
300 | print_test_banner "$TEST_DESC" | |
301 | ||
302 | TESTS=( | |
303 | "test_before_app_uid" | |
304 | "test_after_app_uid" | |
305 | "test_before_app_pid" | |
306 | "test_after_app_pid" | |
307 | ) | |
308 | ||
309 | TEST_COUNT=${#TESTS[@]} | |
310 | i=0 | |
311 | ||
312 | start_lttng_sessiond | |
313 | ||
314 | while [ $i -lt $TEST_COUNT ]; do | |
315 | TRACE_PATH=$(mktemp -d) | |
316 | ${TESTS[$i]} | |
2345b91f | 317 | rm -rf $TRACE_PATH |
a788a3ed DG |
318 | let "i++" |
319 | done | |
320 | ||
321 | stop_lttng_sessiond |