Tests: remove useless sleep when spawning sessiond
[lttng-tools.git] / tests / regression / tools / snapshots / test_ust
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1#!/bin/bash
2#
3# Copyright (C) - 2013 Julien Desfossez <jdesfossez@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
17TEST_DESC="Snapshots - UST tracing"
18
19CURDIR=$(dirname $0)/
20TESTDIR=$CURDIR/../../..
21EVENT_NAME="tp:tptest"
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22PID_RELAYD=0
23SESSION_NAME=""
24CHANNEL_NAME="snapchan"
25TESTAPP_PATH="$TESTDIR/utils/testapp"
26TESTAPP_NAME="gen-ust-events"
27TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
28NR_ITER=2000000
29NR_USEC_WAIT=100
30
31TRACE_PATH=$(mktemp -d)
32
5e83c405 33NUM_TESTS=2075
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34
35source $TESTDIR/utils/utils.sh
36
37if [ ! -x "$TESTAPP_BIN" ]; then
38 BAIL_OUT "No UST events binary detected."
39fi
40
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41function snapshot_add_output ()
42{
43 local sess_name=$1
44 local trace_path=$2
45 local name=$3
46 local max_size=$4
47 local extra_opt=""
48
49 if [ ! -z $name ]; then
50 extra_opt+=" -n $name "
51 fi
52
53 if [ ! -z $max_size ]; then
54 extra_opt+=" -m $max_size "
55 fi
56
57 $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output \
58 -s $sess_name $extra_opt $trace_path > /dev/null 2>&1
59
60 ok $? "Added snapshot output $trace_path ($extra_opt)"
61}
62
63function snapshot_del_output ()
64{
65 local sess_name=$1
66 local name=$2
67
68 $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output \
69 -s $sess_name $name > /dev/null 2>&1
70
71 ok $? "Deleted snapshot output named $name"
72}
73
74function enable_mmap_overwrite_subbuf_ust_channel ()
75{
76 local sess_name=$1
77 local chan_name=$2
78 local subbuf_size=$3
79
80 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name \
81 $chan_name -u --output mmap --overwrite \
82 --subbuf-size $subbuf_size > /dev/null 2>&1
83
84 ok $? "Enable channel $channel_name for session $sess_name with subbuf size $subbuf_size"
85}
86
87
88function test_ust_list_output ()
89{
90 output_names=("randomname" "somesnapshot")
91
92 diag "Test UST snapshot output listing"
93 create_lttng_session_no_output $SESSION_NAME
94 enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
95 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
96
97 start_lttng_tracing $SESSION_NAME
98
99 snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[0]}
100
101 $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \
102 -s $SESSION_NAME 2>&1 | grep ${output_names[0]} > /dev/null
103 ok $? "Snapshot named ${output_names[0]} present in list-output listing"
104
105 snapshot_del_output $SESSION_NAME ${output_names[0]}
106
107 snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[1]}
108
109 $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \
110 -s $SESSION_NAME 2>&1 | grep ${output_names[1]} > /dev/null
111
112 ok $? "Snapshot named ${output_names[1]} present in list-output listing"
113
114 stop_lttng_tracing $SESSION_NAME
115 destroy_lttng_session $SESSION_NAME
116}
117
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118function test_ust_local_snapshot ()
119{
120 diag "Test local UST snapshots"
121 create_lttng_session_no_output $SESSION_NAME
122 enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
123 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
124 start_lttng_tracing $SESSION_NAME
125 lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
126 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
127 ok $? "Start application to trace"
128 lttng_snapshot_record $SESSION_NAME
129 stop_lttng_tracing $SESSION_NAME
130 destroy_lttng_session $SESSION_NAME
131
132 # Validate test
133 validate_trace $EVENT_NAME $TRACE_PATH/
134 if [ $? -eq 0 ]; then
135 # Only delete if successful
136 rm -rf $TRACE_PATH
137 else
138 break
139 fi
140 diag "Killing $TESTAPP_NAME"
141 PID_APP=`pidof $TESTAPP_NAME`
142 kill $PID_APP >/dev/null 2>&1
143}
144
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145function test_ust_local_snapshot_max_size ()
146{
147 subbuf_size=8192
148 num_cpus=`nproc`
149
150 # The minimum size limit is min(subbuf_size) * nb_streams
151 max_size=$(($subbuf_size*$num_cpus))
152
153 diag "Test local UST snapshots with max size $max_size"
154 create_lttng_session_no_output $SESSION_NAME
155
156 enable_mmap_overwrite_subbuf_ust_channel $SESSION_NAME $CHANNEL_NAME $subbuf_size
157
158 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
159 start_lttng_tracing $SESSION_NAME
160
161 snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" "" $max_size
162
163 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
164 ok $? "Start application to trace"
165
166 lttng_snapshot_record $SESSION_NAME
167
168 # Check file size
169 sum_size_tracefiles=$(find $TRACE_PATH -name "${CHANNEL_NAME}_*" \
170 -exec stat -c '%s' {} \; | awk '{s = s + $1}END{print s}')
171
172 if [ "$sum_size_tracefiles" -gt "$max_size" ]; then
173 fail "Tracefiles size sum validation"
174 diag "Tracefiles size sum: $sum_size_tracefiles Expected max: $max_size"
175 fi
176
177 pass "Tracefiles size sum validation"
178
179 stop_lttng_tracing $SESSION_NAME
180 destroy_lttng_session $SESSION_NAME
181
182 # Validate test
183 validate_trace $EVENT_NAME $TRACE_PATH/
184
185 if [ $? -eq 0 ]; then
186 # Only delete if successful
187 rm -rf $TRACE_PATH
188 fi
189
190 diag "Killing $TESTAPP_NAME"
191 PID_APP=`pidof $TESTAPP_NAME`
192 kill $PID_APP >/dev/null 2>&1
193}
194
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195function test_ust_local_snapshot_large_metadata ()
196{
197 LM_EVENT="tp:tptest1,tp:tptest2,tp:tptest3,tp:tptest4,tp:tptest5"
198 LM_PATH="$TESTDIR/utils/testapp"
199 LM_NAME="gen-ust-nevents"
200 LM_BIN="$LM_PATH/$LM_NAME/$LM_NAME"
201
202 diag "Test local UST snapshots with > 4kB metadata"
203 create_lttng_session_no_output $SESSION_NAME
204 enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
205 enable_ust_lttng_event $SESSION_NAME $LM_EVENT $CHANNEL_NAME
206 start_lttng_tracing $SESSION_NAME
207 lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
208 $LM_BIN 1 1
209 ok $? "Start application to trace"
210 lttng_snapshot_record $SESSION_NAME
211 stop_lttng_tracing $SESSION_NAME
212 destroy_lttng_session $SESSION_NAME
213
214 # Validate test
215 validate_trace $LM_EVENT $TRACE_PATH/
216 if [ $? -eq 0 ]; then
217 # Only delete if successful
218 rm -rf $TRACE_PATH
219 else
220 break
221 fi
222}
223
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224function enable_channel_per_uid_mmap_overwrite()
225{
226 sess_name=$1
227 channel_name=$2
228
229 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --output mmap --overwrite >/dev/null 2>&1
230 ok $? "Enable channel $channel_name per UID for session $sess_name"
231}
232
233function test_ust_per_uid_local_snapshot ()
234{
235 diag "Test local UST snapshots"
236 create_lttng_session_no_output $SESSION_NAME
237 enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
238 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
239 start_lttng_tracing $SESSION_NAME
240 lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
241 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
242 ok $? "Start application to trace"
243 lttng_snapshot_record $SESSION_NAME
244 stop_lttng_tracing $SESSION_NAME
245 destroy_lttng_session $SESSION_NAME
246
247 # Validate test
248 validate_trace $EVENT_NAME $TRACE_PATH/
249 if [ $? -eq 0 ]; then
250 # Only delete if successful
251 rm -rf $TRACE_PATH
252 else
253 break
254 fi
255 diag "Killing $TESTAPP_NAME"
256 PID_APP=`pidof $TESTAPP_NAME`
257 kill $PID_APP >/dev/null 2>&1
258}
259
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260function test_ust_per_uid_local_snapshot_post_mortem ()
261{
262 diag "Test local UST snapshots post-mortem"
263 create_lttng_session_no_output $SESSION_NAME
264 enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
265 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
266 start_lttng_tracing $SESSION_NAME
267 lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
268 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
269 ok $? "Start application to trace"
270 diag "Killing $TESTAPP_NAME"
271 PID_APP=`pidof $TESTAPP_NAME`
272 kill $PID_APP >/dev/null 2>&1
273 lttng_snapshot_record $SESSION_NAME
274 stop_lttng_tracing $SESSION_NAME
275 destroy_lttng_session $SESSION_NAME
276
277 # Validate test
278 validate_trace $EVENT_NAME $TRACE_PATH/
279 if [ $? -eq 0 ]; then
280 # Only delete if successful
281 rm -rf $TRACE_PATH
282 else
283 break
284 fi
285}
286
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287function test_ust_1000_local_snapshots ()
288{
289 NB_SNAP=1000
290
291 diag "Test $NB_SNAP local UST snapshots"
292 create_lttng_session_no_output $SESSION_NAME
293 enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
294 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
295 start_lttng_tracing $SESSION_NAME
296 lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
297 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
298 for i in $(seq 1 $NB_SNAP); do
299 diag "Snapshot $i/$NB_SNAP"
300 rm -rf $TRACE_PATH/snapshot/* 2>/dev/null
301 lttng_snapshot_record $SESSION_NAME
302 # Validate test
303 validate_trace $EVENT_NAME $TRACE_PATH/
304 if [ $? -eq 0 ]; then
305 # Only delete if successful
306 rm -rf $TRACE_PATH
307 else
308 break
309 fi
310 done
311 stop_lttng_tracing $SESSION_NAME
312 destroy_lttng_session $SESSION_NAME
313 diag "Killing $TESTAPP_NAME"
314 PID_APP=`pidof $TESTAPP_NAME`
7f12ef5d 315 kill $PID_APP >/dev/null 2>&1
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316}
317
318plan_tests $NUM_TESTS
319
320print_test_banner "$TEST_DESC"
321
322if [ "$(id -u)" == "0" ]; then
323 isroot=1
324else
325 isroot=0
326fi
327
328start_lttng_sessiond
329
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330tests=( test_ust_list_output
331 test_ust_local_snapshot
332 test_ust_local_snapshot_max_size
333 test_ust_per_uid_local_snapshot
334 test_ust_per_uid_local_snapshot_post_mortem
335 test_ust_local_snapshot_large_metadata
4f03c06d 336 test_ust_1000_local_snapshots )
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337
338for fct_test in ${tests[@]};
339do
340 SESSION_NAME=$(randstring 16 0)
341 ${fct_test}
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342done
343
344stop_lttng_sessiond
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