6fab526c111c88ec3a7d5a3e43c5f20e00566de7
[lttng-tools.git] / tests / regression / ust / buffers-pid / test_buffers_pid
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 PID buffers"
18
19 CURDIR=$(dirname $0)/
20 TESTDIR=$CURDIR/../../..
21 NR_ITER=100
22 NR_USEC_WAIT=100000
23 SESSION_NAME="buffers-pid"
24
25 TESTAPP_PATH="$TESTDIR/utils/testapp"
26 TESTAPP_NAME="gen-ust-events"
27 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
28 EVENT_NAME="tp:tptest"
29 NUM_TESTS=58
30
31 source $TESTDIR/utils/utils.sh
32
33 if [ ! -x "$TESTAPP_BIN" ]; then
34 BAIL_OUT "No UST events binary detected."
35 fi
36
37 # MUST set TESTDIR before calling those functions
38
39 function enable_channel_per_pid()
40 {
41 sess_name=$1
42 channel_name=$2
43
44 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name >/dev/null 2>&1
45 ok $? "Enable channel $channel_name per PID for session $sess_name"
46 }
47
48 function wait_apps
49 {
50 diag "Waiting for applications to end..."
51 while [ -n "$(pidof $TESTAPP_NAME)" ]; do
52 sleep 1
53 done
54 }
55
56 test_after_multiple_apps() {
57 local out
58 local i
59
60 diag "Start multiple applications AFTER tracing is started"
61
62 # BEFORE application is spawned
63 create_lttng_session $SESSION_NAME $TRACE_PATH
64 enable_channel_per_pid $SESSION_NAME "channel0"
65 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
66 start_lttng_tracing $SESSION_NAME
67
68 for i in `seq 1 5`; do
69 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1
70 ok $? "Start application $i for tracing"
71 done
72
73 stop_lttng_tracing $SESSION_NAME
74 destroy_lttng_session $SESSION_NAME
75
76 trace_matches $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH
77
78 return $?
79 }
80
81 test_before_multiple_apps() {
82 local out
83 local i
84
85 diag "Start multiple applications BEFORE tracing is started"
86
87 for i in `seq 1 5`; do
88 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & >/dev/null 2>&1
89 ok $? "Start application $i for tracing"
90 done
91
92 # BEFORE application is spawned
93 create_lttng_session $SESSION_NAME $TRACE_PATH
94 enable_channel_per_pid $SESSION_NAME "channel0"
95 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
96 start_lttng_tracing $SESSION_NAME
97
98 # At least hit one event
99 sleep 2
100
101 stop_lttng_tracing $SESSION_NAME
102 destroy_lttng_session $SESSION_NAME
103
104 out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l)
105 if [ $out -eq 0 ]; then
106 fail "Trace validation"
107 diag "No event(s) found. We are supposed to have at least one."
108 out=1
109 else
110 pass "Trace validation"
111 diag "Found $out event(s). Coherent."
112 out=0
113 fi
114
115 wait_apps
116
117 return $out
118 }
119
120 test_after_app() {
121 local out
122
123 diag "Start application AFTER tracing is started"
124
125 # BEFORE application is spawned
126 create_lttng_session $SESSION_NAME $TRACE_PATH
127 enable_channel_per_pid $SESSION_NAME "channel0"
128 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
129 start_lttng_tracing $SESSION_NAME
130
131 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
132 ok $? "Start application to trace"
133
134 stop_lttng_tracing $SESSION_NAME
135 destroy_lttng_session $SESSION_NAME
136
137 trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH
138
139 return $?
140 }
141
142 test_before_app() {
143 local out
144
145 diag "Start application BEFORE tracing is started"
146
147
148 # BEFORE application is spawned
149 create_lttng_session $SESSION_NAME $TRACE_PATH
150 enable_channel_per_pid $SESSION_NAME "channel0"
151 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
152
153 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
154 ok $? "Start application to trace"
155
156 start_lttng_tracing $SESSION_NAME
157
158 wait ${!}
159
160 stop_lttng_tracing $SESSION_NAME
161 destroy_lttng_session $SESSION_NAME
162
163 out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l)
164 if [ $out -eq 0 ]; then
165 fail "Trace validation"
166 diag "No event(s) found. We are supposed to have at least one."
167 out=1
168 else
169 pass "Trace validation"
170 diag "Found $out event(s). Coherent."
171 out=0
172 fi
173
174 return $out
175 }
176
177 test_multiple_channels() {
178 local out
179
180 diag "Start with multiple channels"
181
182 # BEFORE application is spawned
183 create_lttng_session $SESSION_NAME $TRACE_PATH
184 enable_channel_per_pid $SESSION_NAME "channel0"
185 enable_channel_per_pid $SESSION_NAME "channel1"
186 enable_channel_per_pid $SESSION_NAME "channel2"
187 enable_channel_per_pid $SESSION_NAME "channel3"
188 enable_channel_per_pid $SESSION_NAME "channel4"
189 # Enable event in all channels.
190 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel0 -s $SESSION_NAME -u >/dev/null 2>&1
191 ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel0"
192 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel1 -s $SESSION_NAME -u >/dev/null 2>&1
193 ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel1"
194 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel2 -s $SESSION_NAME -u >/dev/null 2>&1
195 ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel2"
196 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel3 -s $SESSION_NAME -u >/dev/null 2>&1
197 ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel3"
198 $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel4 -s $SESSION_NAME -u >/dev/null 2>&1
199 ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel4"
200 start_lttng_tracing $SESSION_NAME
201
202 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
203 ok $? "Start application to trace"
204
205 stop_lttng_tracing $SESSION_NAME
206 trace_matches $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH
207 out=$?
208
209 destroy_lttng_session $SESSION_NAME
210
211 return $out
212 }
213
214 # MUST set TESTDIR before calling those functions
215 plan_tests $NUM_TESTS
216
217 print_test_banner "$TEST_DESC"
218
219 TESTS=(
220 "test_before_app"
221 "test_after_app"
222 "test_after_multiple_apps"
223 "test_before_multiple_apps"
224 "test_multiple_channels"
225 )
226
227 TEST_COUNT=${#TESTS[@]}
228 i=0
229
230 start_lttng_sessiond
231
232 while [ $i -lt $TEST_COUNT ]; do
233 TRACE_PATH=$(mktemp -d)
234 ${TESTS[$i]}
235 rm -rf $TRACE_PATH
236 let "i++"
237 done
238
239 stop_lttng_sessiond
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