Add kernel snapshot support
[lttng-tools.git] / tests / utils / utils.sh
1 #!/src/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
18 SESSIOND_BIN="lttng-sessiond"
19 RELAYD_BIN="lttng-relayd"
20 LTTNG_BIN="lttng"
21 BABELTRACE_BIN="babeltrace"
22
23 # Minimal kernel version supported for session daemon tests
24 KERNEL_MAJOR_VERSION=2
25 KERNEL_MINOR_VERSION=6
26 KERNEL_PATCHLEVEL_VERSION=27
27
28 source $TESTDIR/utils/tap/tap.sh
29
30 function print_ok ()
31 {
32 # Check if we are a terminal
33 if [ -t 1 ]; then
34 echo -e "\e[1;32mOK\e[0m"
35 else
36 echo -e "OK"
37 fi
38 }
39
40 function print_fail ()
41 {
42 # Check if we are a terminal
43 if [ -t 1 ]; then
44 echo -e "\e[1;31mFAIL\e[0m"
45 else
46 echo -e "FAIL"
47 fi
48 }
49
50 function print_test_banner ()
51 {
52 desc="$1"
53 diag "$desc"
54 }
55
56 function validate_kernel_version ()
57 {
58 kern_version=($(uname -r | awk -F. '{ printf("%d.%d.%d\n",$1,$2,$3); }' | tr '.' '\n'))
59 if [ ${kern_version[0]} -gt $KERNEL_MAJOR_VERSION ]; then
60 return 0
61 fi
62 if [ ${kern_version[1]} -gt $KERNEL_MINOR_VERSION ]; then
63 return 0
64 fi
65 if [ ${kern_version[2]} -ge $KERNEL_PATCHLEVEL_VERSION ]; then
66 return 0
67 fi
68 return 1
69 }
70
71 # Generate a random string
72 # $1 = number of characters; defaults to 16
73 # $2 = include special characters; 1 = yes, 0 = no; defaults to yes
74 function randstring()
75 {
76 [ "$2" == "0" ] && CHAR="[:alnum:]" || CHAR="[:graph:]"
77 cat /dev/urandom | tr -cd "$CHAR" | head -c ${1:-16}
78 echo
79 }
80
81 function lttng_enable_kernel_event
82 {
83 sess_name=$1
84 event_name=$2
85 channel_name=$3
86
87 if [ -z $event_name ]; then
88 # Enable all event if no event name specified
89 event_name="-a"
90 fi
91
92 if [ -z $channel_name ]; then
93 # default channel if none specified
94 chan=""
95 else
96 chan="-c $channel_name"
97 fi
98
99 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" $chan -s $sess_name -k >/dev/null 2>&1
100 ok $? "Enable kernel event $event_name for session $sess_name"
101 }
102
103 function start_lttng_relayd
104 {
105 local opt=$1
106
107 DIR=$(readlink -f $TESTDIR)
108
109 if [ -z $(pidof lt-$RELAYD_BIN) ]; then
110 $DIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt >/dev/null 2>&1 &
111 #$DIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt -vvv >>/tmp/relayd.log 2>&1 &
112 if [ $? -eq 1 ]; then
113 fail "Start lttng-relayd (opt: $opt)"
114 return 1
115 else
116 pass "Start lttng-relayd (opt: $opt)"
117 fi
118 else
119 pass "Start lttng-relayd (opt: $opt)"
120 fi
121 }
122
123 function stop_lttng_relayd
124 {
125 PID_RELAYD=`pidof lt-$RELAYD_BIN`
126
127 kill $PID_RELAYD >/dev/null 2>&1
128
129 if [ $? -eq 1 ]; then
130 fail "Kill lttng-relayd (pid: $PID_RELAYD)"
131 return 1
132 else
133 out=1
134 while [ -n "$out" ]; do
135 out=$(pidof lt-$RELAYD_BIN)
136 sleep 0.5
137 done
138 pass "Kill lttng-relayd (pid: $PID_RELAYD)"
139 return 0
140 fi
141 }
142
143 function start_lttng_sessiond()
144 {
145 if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
146 # Env variable requested no session daemon
147 return
148 fi
149
150 validate_kernel_version
151 if [ $? -ne 0 ]; then
152 fail "Start session daemon"
153 BAIL_OUT "*** Kernel too old for session daemon tests ***"
154 fi
155
156 DIR=$(readlink -f $TESTDIR)
157
158 if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
159 $DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --daemonize --quiet --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd"
160 #$DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --verbose-consumer >>/tmp/sessiond.log 2>&1 &
161 status=$?
162 # Wait for sessiond to bootstrap
163 sleep 2
164 ok $status "Start session daemon"
165 fi
166 }
167
168 function stop_lttng_sessiond ()
169 {
170 if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
171 # Env variable requested no session daemon
172 return
173 fi
174
175 PID_SESSIOND=`pidof lt-$SESSIOND_BIN`
176
177 kill $PID_SESSIOND >/dev/null 2>&1
178
179 if [ $? -eq 1 ]; then
180 fail "Kill sessions daemon"
181 return 1
182 else
183 out=1
184 while [ -n "$out" ]; do
185 out=$(pidof lt-$SESSIOND_BIN)
186 sleep 0.5
187 done
188 pass "Kill session daemon"
189 fi
190 }
191
192 function create_lttng_session_no_output ()
193 {
194 sess_name=$1
195
196 $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $sess_name --no-output >/dev/null 2>&1
197 ok $? "Create session $sess_name in no-output mode"
198 }
199
200 function create_lttng_session ()
201 {
202 sess_name=$1
203 trace_path=$2
204
205 $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $sess_name -o $trace_path >/dev/null 2>&1
206 ok $? "Create session $sess_name in $trace_path"
207 }
208
209 function enable_ust_lttng_channel()
210 {
211 sess_name=$1
212 channel_name=$2
213
214 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -u $channel_name -s $sess_name >/dev/null 2>&1
215 ok $? "Enable channel $channel_name for session $sess_name"
216 }
217
218 function disable_ust_lttng_channel()
219 {
220 sess_name=$1
221 channel_name=$2
222
223 $TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-channel -u $channel_name -s $sess_name >/dev/null 2>&1
224 ok $? "Disable channel $channel_name for session $sess_name"
225 }
226
227 function enable_lttng_mmap_overwrite_kernel_channel()
228 {
229 sess_name=$1
230 channel_name=$2
231
232 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name $channel_name -k --output mmap --overwrite >/dev/null 2>&1
233 ok $? "Enable channel $channel_name for session $sess_name"
234 }
235
236 function enable_ust_lttng_event ()
237 {
238 sess_name=$1
239 event_name="$2"
240
241 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -u >/dev/null 2>&1
242 ok $? "Enable event $event_name for session $sess_name"
243 }
244
245 function enable_ust_lttng_event_filter()
246 {
247 sess_name="$1"
248 event_name="$2"
249 filter="$3"
250
251 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -u --filter "$filter" >/dev/null 2>&1
252 ok $? "Enable event $event_name with filtering for session $sess_name"
253 }
254
255 function enable_ust_lttng_event_loglevel()
256 {
257 sess_name="$1"
258 event_name="$2"
259 loglevel="$3"
260
261 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -u --loglevel $loglevel >/dev/null 2>&1
262 ok $? "Enable event $event_name with loglevel $loglevel"
263 }
264
265 function enable_ust_lttng_event_loglevel_only()
266 {
267 sess_name="$1"
268 event_name="$2"
269 loglevel="$3"
270
271 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" -s $sess_name -u --loglevel-only $loglevel >/dev/null 2>&1
272 ok $? "Enable event $event_name with loglevel-only $loglevel"
273 }
274
275 function disable_ust_lttng_event ()
276 {
277 sess_name="$1"
278 event_name="$2"
279
280 $TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-event "$event_name" -s $sess_name -u >/dev/null 2>&1
281 ok $? "Disable event $event_name for session $sess_name"
282 }
283
284 function start_lttng_tracing ()
285 {
286 sess_name=$1
287
288 $TESTDIR/../src/bin/lttng/$LTTNG_BIN start $sess_name >/dev/null 2>&1
289 ok $? "Start tracing for session $sess_name"
290 }
291
292 function stop_lttng_tracing ()
293 {
294 sess_name=$1
295
296 $TESTDIR/../src/bin/lttng/$LTTNG_BIN stop $sess_name >/dev/null 2>&1
297 ok $? "Stop lttng tracing for session $sess_name"
298 }
299
300 function destroy_lttng_session ()
301 {
302 sess_name=$1
303
304
305 $TESTDIR/../src/bin/lttng/$LTTNG_BIN destroy $sess_name >/dev/null 2>&1
306 ok $? "Destroy lttng session $sess_name"
307 }
308
309 function lttng_snapshot_add_output ()
310 {
311 sess_name=$1
312 trace_path=$2
313
314 $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output -s $sess_name file://$trace_path >/dev/null 2>&1
315 ok $? "Added snapshot output file://$trace_path"
316 }
317
318 function lttng_snapshot_record ()
319 {
320 sess_name=$1
321 trace_path=$2
322
323 $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot record -s $sess_name >/dev/null 2>&1
324 ok $? "Snapshot recorded"
325 }
326
327 function trace_matches ()
328 {
329 event_name=$1
330 nr_iter=$2
331 trace_path=$3
332
333 which $BABELTRACE_BIN >/dev/null
334 skip $? -ne 0 "Babeltrace binary not found. Skipping trace matches"
335
336 count=$($BABELTRACE_BIN $trace_path | grep $event_name | wc -l)
337
338 if [ "$count" -ne "$nr_iter" ]; then
339 fail "Trace match"
340 diag "$count events found in trace"
341 else
342 pass "Trace match"
343 fi
344 }
345
346 function validate_trace
347 {
348 event_name=$1
349 trace_path=$2
350
351 which $BABELTRACE_BIN >/dev/null
352 if [ $? -ne 0 ]; then
353 skip 0 "Babeltrace binary not found. Skipping trace validation"
354 fi
355
356 OLDIFS=$IFS
357 IFS=","
358 for i in $event_name; do
359 traced=$($BABELTRACE_BIN $trace_path 2>/dev/null | grep $i | wc -l)
360 if [ "$traced" -ne 0 ]; then
361 pass "Validate trace for event $i"
362 else
363 fail "Validate trace for event $i"
364 diag "Found $traced occurences of $i"
365 fi
366 done
367 ret=$?
368 IFS=$OLDIFS
369 return $ret
370 }
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