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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 |
b688191f | 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. | |
122 | killall -q $TESTAPP_NAME | |
123 | sleep 2 | |
124 | ||
dd770530 DG |
125 | validate_trace |
126 | out=$? | |
127 | ||
a788a3ed DG |
128 | stop_lttng_tracing $SESSION_NAME |
129 | destroy_lttng_session $SESSION_NAME | |
130 | ||
dd770530 | 131 | return $out |
a788a3ed DG |
132 | } |
133 | ||
134 | test_before_app_pid() { | |
135 | local out | |
136 | ||
137 | diag "Start application BEFORE tracing is started" | |
138 | ||
b688191f | 139 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
a788a3ed DG |
140 | ok $? "Start application to trace" |
141 | ||
a055228d | 142 | # Start application before tracing |
a788a3ed DG |
143 | create_lttng_session $SESSION_NAME $TRACE_PATH |
144 | enable_metadata_per_pid $SESSION_NAME | |
dd770530 | 145 | enable_channel_per_pid $SESSION_NAME "channel0" |
447e8ad9 | 146 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0" |
a788a3ed DG |
147 | start_lttng_tracing $SESSION_NAME |
148 | ||
149 | # At least hit one event | |
150 | sleep 2 | |
a055228d MD |
151 | |
152 | # Make sure the application does not generate any more data, | |
153 | # thus ensuring that we are not flushing a packet concurrently | |
154 | # with validate_trace. | |
155 | killall -q $TESTAPP_NAME | |
156 | sleep 2 | |
157 | ||
dd770530 DG |
158 | validate_trace |
159 | out=$? | |
a788a3ed DG |
160 | |
161 | stop_lttng_tracing $SESSION_NAME | |
162 | destroy_lttng_session $SESSION_NAME | |
163 | ||
a788a3ed DG |
164 | wait_apps |
165 | ||
166 | return $out | |
167 | } | |
168 | ||
169 | test_after_app_uid() { | |
170 | local out | |
171 | ||
172 | diag "Start application AFTER tracing is started" | |
173 | ||
a788a3ed DG |
174 | create_lttng_session $SESSION_NAME $TRACE_PATH |
175 | enable_metadata_per_uid $SESSION_NAME | |
176 | enable_channel_per_uid $SESSION_NAME "channel0" | |
1afc6e74 | 177 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0" |
a788a3ed DG |
178 | start_lttng_tracing $SESSION_NAME |
179 | ||
a055228d | 180 | # Start application after tracing |
b688191f | 181 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT |
a788a3ed DG |
182 | ok $? "Start application to trace" |
183 | ||
dd770530 DG |
184 | # At least hit one event |
185 | sleep 2 | |
a055228d MD |
186 | |
187 | # Make sure the application does not generate any more data, | |
188 | # thus ensuring that we are not flushing a packet concurrently | |
189 | # with validate_trace. | |
190 | killall -q $TESTAPP_NAME | |
191 | sleep 2 | |
192 | ||
dd770530 DG |
193 | validate_trace |
194 | out=$? | |
195 | ||
a788a3ed DG |
196 | stop_lttng_tracing $SESSION_NAME |
197 | destroy_lttng_session $SESSION_NAME | |
198 | ||
dd770530 | 199 | return $out |
a788a3ed DG |
200 | } |
201 | ||
202 | test_before_app_uid() { | |
203 | local out | |
204 | ||
205 | diag "Start application BEFORE tracing is started" | |
206 | ||
a055228d | 207 | # Start application after tracing |
b688191f | 208 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
a788a3ed DG |
209 | ok $? "Start application to trace" |
210 | ||
a788a3ed DG |
211 | create_lttng_session $SESSION_NAME $TRACE_PATH |
212 | enable_metadata_per_uid $SESSION_NAME | |
213 | enable_channel_per_uid $SESSION_NAME "channel0" | |
1afc6e74 | 214 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0" |
a788a3ed DG |
215 | start_lttng_tracing $SESSION_NAME |
216 | ||
217 | # At least hit one event | |
218 | sleep 2 | |
a055228d MD |
219 | |
220 | # Make sure the application does not generate any more data, | |
221 | # thus ensuring that we are not flushing a packet concurrently | |
222 | # with validate_trace. | |
223 | killall -q $TESTAPP_NAME | |
224 | sleep 2 | |
225 | ||
dd770530 DG |
226 | validate_trace |
227 | out=$? | |
a788a3ed DG |
228 | |
229 | stop_lttng_tracing $SESSION_NAME | |
230 | destroy_lttng_session $SESSION_NAME | |
231 | ||
a788a3ed DG |
232 | wait_apps |
233 | ||
234 | return $out | |
235 | } | |
236 | ||
237 | # MUST set TESTDIR before calling those functions | |
238 | plan_tests $NUM_TESTS | |
239 | ||
240 | print_test_banner "$TEST_DESC" | |
241 | ||
242 | TESTS=( | |
243 | "test_before_app_uid" | |
244 | "test_after_app_uid" | |
245 | "test_before_app_pid" | |
246 | "test_after_app_pid" | |
247 | ) | |
248 | ||
249 | TEST_COUNT=${#TESTS[@]} | |
250 | i=0 | |
251 | ||
252 | start_lttng_sessiond | |
253 | ||
254 | while [ $i -lt $TEST_COUNT ]; do | |
255 | TRACE_PATH=$(mktemp -d) | |
256 | ${TESTS[$i]} | |
2345b91f | 257 | rm -rf $TRACE_PATH |
a788a3ed DG |
258 | let "i++" |
259 | done | |
260 | ||
261 | stop_lttng_sessiond |