Fix: test flaky sleep and wait patterns
[lttng-tools.git] / tests / regression / tools / snapshots / test_ust_streaming
1 #!/bin/bash
2 #
3 # Copyright (C) - 2013 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="Streaming - Snapshot UST tracing"
18
19 CURDIR=$(dirname $0)/
20 TESTDIR=$CURDIR/../../..
21 EVENT_NAME="tp:tptest"
22 PID_RELAYD=0
23 SESSION_NAME=""
24 CHANNEL_NAME="chan1"
25 BIN_NAME="gen-nevents"
26 TESTAPP_PATH="$TESTDIR/utils/testapp"
27 TESTAPP_NAME="gen-ust-events"
28 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
29 NR_ITER=2000000
30 NR_USEC_WAIT=100
31 APPS_PID=
32
33 TRACE_PATH=$(mktemp -d)
34
35 NUM_TESTS=49
36
37 source $TESTDIR/utils/utils.sh
38
39 if [ ! -x "$TESTAPP_BIN" ]; then
40 BAIL_OUT "No UST events binary detected."
41 fi
42
43 function snapshot_add_output ()
44 {
45 local sess_name=$1
46 local trace_path=$2
47 local name=$3
48 local extra_opt=""
49
50 if [ ! -z $name ]; then
51 extra_opt="-n $name"
52 fi
53
54 $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output -s $sess_name $extra_opt $trace_path >/dev/null 2>&1
55 ok $? "Added snapshot output $trace_path"
56 }
57
58 # Start trace application and return once one event has been hit.
59 function start_test_app()
60 {
61 local tmp_file="/tmp/lttng_test_ust.42.file"
62
63 # Start application with a temporary file.
64 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT $tmp_file &
65 ret=$?
66 APPS_PID="${APPS_PID} ${!}"
67 ok $ret "Start application to trace"
68
69 # Wait for the application file to appear indicating that at least one
70 # tracepoint has been fired.
71 while [ ! -f "$tmp_file" ]; do
72 sleep 0.5
73 done
74 diag "Removing test app temporary file $tmp_file"
75 rm -f $tmp_file
76 }
77
78 function stop_test_apps()
79 {
80 diag "Stopping $TESTAPP_NAME"
81 for p in ${APPS_PID}; do
82 kill ${p}
83 wait ${p} 2>&1
84 done
85 }
86
87 # Test a snapshot using a default name for the output destination.
88 function test_ust_default_name_with_del()
89 {
90 diag "Test UST snapshot streaming with default name with delete output"
91 create_lttng_session_no_output $SESSION_NAME
92 enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
93 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
94 start_lttng_tracing $SESSION_NAME
95
96 start_test_app
97
98 snapshot_add_output $SESSION_NAME "net://localhost"
99 lttng_snapshot_record $SESSION_NAME
100
101 # Validate test
102 echo $TRACE_PATH/$HOSTNAME/snapshot-1
103 validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-1*
104 if [ $? -ne 0 ]; then
105 stop_test_apps
106 return $?
107 fi
108
109 lttng_snapshot_del_output $SESSION_NAME 1
110 snapshot_add_output $SESSION_NAME "net://localhost"
111 lttng_snapshot_record $SESSION_NAME
112
113 # Validate test with the next ID since a del output was done prior.
114 validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-2*
115 if [ $? -ne 0 ]; then
116 stop_test_apps
117 return $?
118 fi
119
120 stop_lttng_tracing $SESSION_NAME
121 destroy_lttng_session $SESSION_NAME
122
123 stop_test_apps
124
125 return 0
126 }
127
128 # Test a snapshot using a default name for the output destination.
129 function test_ust_default_name()
130 {
131 diag "Test UST snapshot streaming with default name"
132 create_lttng_session_no_output $SESSION_NAME
133 enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
134 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
135 start_lttng_tracing $SESSION_NAME
136
137 start_test_app
138
139 snapshot_add_output $SESSION_NAME "net://localhost"
140 lttng_snapshot_record $SESSION_NAME
141 stop_lttng_tracing $SESSION_NAME
142 destroy_lttng_session $SESSION_NAME
143 # Validate test
144 validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-1*
145 out=$?
146
147 stop_test_apps
148
149 return $out
150 }
151
152 function test_ust_default_name_custom_uri()
153 {
154 diag "Test UST snapshot streaming with default name with custom URL"
155 create_lttng_session_no_output $SESSION_NAME
156 enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
157 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
158 start_lttng_tracing $SESSION_NAME
159
160 start_test_app
161
162 snapshot_add_output $SESSION_NAME "-C tcp://localhost:5342 -D tcp://localhost:5343"
163 lttng_snapshot_record $SESSION_NAME
164 stop_lttng_tracing $SESSION_NAME
165 destroy_lttng_session $SESSION_NAME
166 # Validate test
167 validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-1*
168 out=$?
169
170 stop_test_apps
171
172 return $out
173 }
174
175 # Test a snapshot using a custom name for the output destination.
176 function test_ust_custom_name()
177 {
178 local out
179 local name="asnapshotname"
180
181 diag "Test UST snapshot streaming with custom name"
182 create_lttng_session_no_output $SESSION_NAME
183 enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
184 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
185 start_lttng_tracing $SESSION_NAME
186
187 start_test_app
188
189 snapshot_add_output $SESSION_NAME "net://localhost" $name
190 lttng_snapshot_record $SESSION_NAME
191 stop_lttng_tracing $SESSION_NAME
192 destroy_lttng_session $SESSION_NAME
193
194 if ls $TRACE_PATH/$HOSTNAME/$name* &> /dev/null; then
195 ok 0 "Custom name snapshot exists"
196 # Validate test
197 validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$name-*
198 out=$?
199 else
200 fail "No custom name snapshot found"
201 out=1
202 fi
203
204 stop_test_apps
205
206 return $out
207 }
208
209 plan_tests $NUM_TESTS
210
211 print_test_banner "$TEST_DESC"
212
213 if [ "$(id -u)" == "0" ]; then
214 isroot=1
215 else
216 isroot=0
217 fi
218
219 start_lttng_relayd "-o $TRACE_PATH"
220 start_lttng_sessiond
221
222 tests=( test_ust_default_name_with_del test_ust_default_name test_ust_custom_name test_ust_default_name_custom_uri )
223
224 for fct_test in ${tests[@]};
225 do
226 SESSION_NAME=$(randstring 16 0)
227 ${fct_test}
228 if [ $? -eq 0 ]; then
229 # Only delete if successful
230 rm -rf $TRACE_PATH
231 else
232 break
233 fi
234 done
235
236 stop_lttng_sessiond
237 stop_lttng_relayd
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