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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 | |
30 | ||
31 | source $TESTDIR/utils/utils.sh | |
32 | ||
b688191f CB |
33 | if [ ! -x "$TESTAPP_BIN" ]; then |
34 | BAIL_OUT "No UST events binary detected." | |
a788a3ed DG |
35 | fi |
36 | ||
37 | # MUST set TESTDIR before calling those functions | |
38 | ||
39 | function enable_channel_per_uid() | |
40 | { | |
41 | local sess_name=$1 | |
42 | local channel_name=$2 | |
43 | ||
a055228d | 44 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --switch-timer 100000 >/dev/null 2>&1 |
dd770530 DG |
45 | ok $? "Enable channel $channel_name per UID for session $sess_name" |
46 | } | |
47 | ||
48 | function enable_channel_per_pid() | |
49 | { | |
50 | local sess_name=$1 | |
51 | local channel_name=$2 | |
52 | ||
a055228d | 53 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name --switch-timer 100000 >/dev/null 2>&1 |
a788a3ed DG |
54 | ok $? "Enable channel $channel_name per UID for session $sess_name" |
55 | } | |
56 | ||
57 | function enable_metadata_per_uid() | |
58 | { | |
59 | local sess_name=$1 | |
60 | local channel_name="metadata" | |
61 | ||
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" | |
64 | } | |
65 | ||
66 | function enable_metadata_per_pid() | |
67 | { | |
68 | local sess_name=$1 | |
69 | local channel_name="metadata" | |
70 | ||
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 $sess_name" | |
73 | } | |
74 | ||
75 | function wait_apps | |
76 | { | |
77 | diag "Waiting for applications to end..." | |
b688191f | 78 | while [ -n "$(pidof $TESTAPP_NAME)" ]; do |
a788a3ed DG |
79 | sleep 1 |
80 | done | |
81 | } | |
82 | ||
dd770530 DG |
83 | function validate_trace() |
84 | { | |
85 | local out | |
86 | ||
87 | out=$(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." | |
91 | out=1 | |
92 | else | |
93 | pass "Trace validation" | |
94 | diag "Found $out event(s). Coherent." | |
95 | out=0 | |
96 | fi | |
97 | ||
98 | return $out | |
99 | } | |
100 | ||
a788a3ed DG |
101 | test_after_app_pid() { |
102 | local out | |
103 | ||
104 | diag "Start application AFTER tracing is started" | |
105 | ||
a788a3ed DG |
106 | create_lttng_session $SESSION_NAME $TRACE_PATH |
107 | enable_metadata_per_pid $SESSION_NAME | |
dd770530 | 108 | enable_channel_per_pid $SESSION_NAME "channel0" |
447e8ad9 | 109 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0" |
a788a3ed DG |
110 | start_lttng_tracing $SESSION_NAME |
111 | ||
a055228d | 112 | # Start application after tracing |
8a251cb8 | 113 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
a788a3ed DG |
114 | ok $? "Start application to trace" |
115 | ||
dd770530 DG |
116 | # At least hit one event |
117 | sleep 2 | |
a055228d MD |
118 | |
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. | |
8a251cb8 DG |
122 | killall -SIGSTOP -q $TESTAPP_NAME |
123 | ||
124 | # Give time to the consumer to write inflight data. | |
a055228d MD |
125 | sleep 2 |
126 | ||
dd770530 DG |
127 | validate_trace |
128 | out=$? | |
129 | ||
a788a3ed DG |
130 | stop_lttng_tracing $SESSION_NAME |
131 | destroy_lttng_session $SESSION_NAME | |
132 | ||
8a251cb8 DG |
133 | killall -SIGKILL -q $TESTAPP_NAME |
134 | wait_apps | |
135 | ||
dd770530 | 136 | return $out |
a788a3ed DG |
137 | } |
138 | ||
139 | test_before_app_pid() { | |
140 | local out | |
141 | ||
142 | diag "Start application BEFORE tracing is started" | |
143 | ||
b688191f | 144 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
a788a3ed DG |
145 | ok $? "Start application to trace" |
146 | ||
a055228d | 147 | # Start application before tracing |
a788a3ed DG |
148 | create_lttng_session $SESSION_NAME $TRACE_PATH |
149 | enable_metadata_per_pid $SESSION_NAME | |
dd770530 | 150 | enable_channel_per_pid $SESSION_NAME "channel0" |
447e8ad9 | 151 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0" |
a788a3ed DG |
152 | start_lttng_tracing $SESSION_NAME |
153 | ||
154 | # At least hit one event | |
155 | sleep 2 | |
a055228d MD |
156 | |
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. | |
8a251cb8 DG |
160 | killall -SIGSTOP -q $TESTAPP_NAME |
161 | ||
162 | # Give time to the consumer to write inflight data. | |
a055228d MD |
163 | sleep 2 |
164 | ||
dd770530 DG |
165 | validate_trace |
166 | out=$? | |
a788a3ed DG |
167 | |
168 | stop_lttng_tracing $SESSION_NAME | |
169 | destroy_lttng_session $SESSION_NAME | |
170 | ||
8a251cb8 | 171 | killall -SIGKILL -q $TESTAPP_NAME |
a788a3ed DG |
172 | wait_apps |
173 | ||
174 | return $out | |
175 | } | |
176 | ||
177 | test_after_app_uid() { | |
178 | local out | |
179 | ||
180 | diag "Start application AFTER tracing is started" | |
181 | ||
a788a3ed DG |
182 | create_lttng_session $SESSION_NAME $TRACE_PATH |
183 | enable_metadata_per_uid $SESSION_NAME | |
184 | enable_channel_per_uid $SESSION_NAME "channel0" | |
1afc6e74 | 185 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0" |
a788a3ed DG |
186 | start_lttng_tracing $SESSION_NAME |
187 | ||
a055228d | 188 | # Start application after tracing |
8a251cb8 | 189 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
a788a3ed DG |
190 | ok $? "Start application to trace" |
191 | ||
dd770530 DG |
192 | # At least hit one event |
193 | sleep 2 | |
a055228d MD |
194 | |
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. | |
8a251cb8 DG |
198 | killall -SIGSTOP -q $TESTAPP_NAME |
199 | ||
200 | # Give time to the consumer to write inflight data. | |
a055228d MD |
201 | sleep 2 |
202 | ||
dd770530 DG |
203 | validate_trace |
204 | out=$? | |
205 | ||
a788a3ed DG |
206 | stop_lttng_tracing $SESSION_NAME |
207 | destroy_lttng_session $SESSION_NAME | |
208 | ||
8a251cb8 DG |
209 | killall -SIGKILL -q $TESTAPP_NAME |
210 | wait_apps | |
211 | ||
dd770530 | 212 | return $out |
a788a3ed DG |
213 | } |
214 | ||
215 | test_before_app_uid() { | |
216 | local out | |
217 | ||
218 | diag "Start application BEFORE tracing is started" | |
219 | ||
8a251cb8 | 220 | # Start application before tracing |
b688191f | 221 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
a788a3ed DG |
222 | ok $? "Start application to trace" |
223 | ||
a788a3ed DG |
224 | create_lttng_session $SESSION_NAME $TRACE_PATH |
225 | enable_metadata_per_uid $SESSION_NAME | |
226 | enable_channel_per_uid $SESSION_NAME "channel0" | |
1afc6e74 | 227 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0" |
a788a3ed DG |
228 | start_lttng_tracing $SESSION_NAME |
229 | ||
230 | # At least hit one event | |
231 | sleep 2 | |
a055228d MD |
232 | |
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. | |
8a251cb8 DG |
236 | killall -SIGSTOP -q $TESTAPP_NAME |
237 | ||
238 | # Give time to the consumer to write inflight data. | |
a055228d MD |
239 | sleep 2 |
240 | ||
dd770530 DG |
241 | validate_trace |
242 | out=$? | |
a788a3ed DG |
243 | |
244 | stop_lttng_tracing $SESSION_NAME | |
245 | destroy_lttng_session $SESSION_NAME | |
246 | ||
8a251cb8 | 247 | killall -SIGKILL -q $TESTAPP_NAME |
a788a3ed DG |
248 | wait_apps |
249 | ||
250 | return $out | |
251 | } | |
252 | ||
253 | # MUST set TESTDIR before calling those functions | |
254 | plan_tests $NUM_TESTS | |
255 | ||
256 | print_test_banner "$TEST_DESC" | |
257 | ||
258 | TESTS=( | |
259 | "test_before_app_uid" | |
260 | "test_after_app_uid" | |
261 | "test_before_app_pid" | |
262 | "test_after_app_pid" | |
263 | ) | |
264 | ||
265 | TEST_COUNT=${#TESTS[@]} | |
266 | i=0 | |
267 | ||
268 | start_lttng_sessiond | |
269 | ||
270 | while [ $i -lt $TEST_COUNT ]; do | |
271 | TRACE_PATH=$(mktemp -d) | |
272 | ${TESTS[$i]} | |
2345b91f | 273 | rm -rf $TRACE_PATH |
a788a3ed DG |
274 | let "i++" |
275 | done | |
276 | ||
277 | stop_lttng_sessiond |