585f3b3a0c58d8593ed720b3dc5c99a5042791f3
[lttng-tools.git] / tests / regression / ust / getcpu-override / test_getcpu_override
1 #!/bin/bash
2 #
3 # Copyright (C) - 2015 Jonathan Rajotte <jonathan.rajotte-julien@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 - Getcpu override plugin"
18
19 CURDIR=$(dirname $0)/
20 TESTDIR=$CURDIR/../../..
21 SESSION_NAME="sequence-cpu"
22
23 TESTAPP_PATH="$TESTDIR/utils/testapp"
24 TESTAPP_NAME="gen-ust-events"
25 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
26 TESTAPP_WRAPPER="run-getcpu-override"
27 NUM_EVENT=256
28 EVENT_WAIT_USEC=1
29 EVENT_NAME="tp:tptest"
30
31 NUM_TESTS=20
32
33 SEQUENCE_SEED=(
34 100 57 232 236 42 193 224 184 216 150 92 91 108 118 55 243 65 101 209 0 147 36
35 29 34 49 188 174 105 253 245 227 238 112 20 222 201 102 175 119 19 132 41 78 90
36 114 64 138 14 48 18 162 85 204 124 133 73 172 106 241 126 28 104 111 21 127 219
37 9 244 237 189 59 214 52 141 107 26 25 199 3 157 117 234 33 44 46 84 69 155 122
38 250 231 86 239 76 190 120 1 94 206 8 148 159 167 215 164 31 217 61 71 125 68 109
39 195 177 95 82 142 182 129 87 37 140 134 186 173 39 116 143 254 229 131 67 121
40 192 240 15 221 30 242 185 80 170 135 51 187 194 246 12 225 181 137 211 228 88
41 218 27 233 161 77 252 123 93 220 248 205 223 144 128 196 70 247 210 178 203 154
42 24 169 149 163 35 7 151 103 197 139 165 158 207 72 113 145 45 183 11 198 43 81
43 230 97 96 2 66 213 146 179 22 58 54 38 160 200 235 226 156 56 208 249 32 176 168
44 110 191 79 152 115 10 74 60 251 17 83 180 171 202 40 166 255 53 212 98 5 50 99 4
45 89 13 63 6 136 153 23 16 47 130 75 62
46 )
47
48 # Equivalent to the syconf(_SC_NPROCESSORS_CONF) call.
49 num_cpus=$(conf_proc_count)
50
51 source $TESTDIR/utils/utils.sh
52
53 if [ ! -x "$CURDIR/.libs/lttng-ust-getcpu-override-test.so" ]; then
54 BAIL_OUT "No shared object generated"
55 fi
56
57 # MUST set TESTDIR before calling those functions
58
59 run_app()
60 {
61 diag "Launching app without getcpu-plugin wrapper"
62 $TESTAPP_BIN $NUM_EVENT $EVENT_WAIT_USEC
63 ok $? "Application without wrapper done"
64 }
65
66 run_getcpu_plugin_app()
67 {
68 diag "Launching app with getcpu-plugin wrapper"
69 $CURDIR/$TESTAPP_WRAPPER $TESTAPP_BIN $NUM_EVENT $EVENT_WAIT_USEC
70 ok $? "Application with wrapper done"
71 }
72
73 compare_ok()
74 {
75 compare 0 "$@"
76 }
77
78 compare_fail()
79 {
80 compare 1 "$@"
81 }
82
83 compare()
84 {
85 local expected_to_fail=$1
86 declare -a array_to_compare=("${!2}")
87 local valid=0
88
89 test ${#array_to_compare[*]} -eq ${#SEQUENCE_SEED[*]}
90 ok $? "Sequence seed and cpuid sequence have the same size ${#SEQUENCE_SEED[*]}/${#array_to_compare[*]}"
91
92 for (( i = 0; i < ${#SEQUENCE_SEED[*]}; i++ )); do
93 if [ "${array_to_compare[$i]}" -ne "$(( ${SEQUENCE_SEED[$i]} % $num_cpus))" ]; then
94 valid=1
95 break
96 fi
97 done
98
99 if [[ $expected_to_fail -eq "1" ]]; then
100 test $valid -ne "0"
101 ok $? "Cpuid extraction and seed sequence comparison fails as expected"
102 else
103 ok $valid "Cpuid extraction and seed sequence comparison"
104 if [[ $valid -ne "0" ]]; then
105 diag "Dumping arrays after failed comparison"
106 for (( i = 0; i < ${#SEQUENCE_SEED[*]}; i++ )); do
107 echo -n "# array value is "
108 echo -n "${array_to_compare[$i]}"
109 echo -n " expected "
110 echo "$(( ${SEQUENCE_SEED[$i]} % $num_cpus))"
111 done
112 diag "Dumping trace"
113 $BABELTRACE_BIN $TRACE_PATH | awk '{print "# " $0}'
114 fi
115 fi
116 }
117
118 test_getcpu_override_fail()
119 {
120 diag "Getcpu plugin - no preloaded plugin"
121
122 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
123 enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME"
124 start_lttng_tracing_ok $SESSION_NAME
125 run_app
126 stop_lttng_tracing_ok $SESSION_NAME
127 destroy_lttng_session_ok $SESSION_NAME
128
129 # Move output to an array by using =($())
130 local cpuid_events=($($BABELTRACE_BIN $TRACE_PATH | sed -n 's/.*cpu_id = \([0-9]*\).*/\1/p'))
131 local num_events=${#cpuid_events[*]}
132 test $num_events -eq $NUM_EVENT
133 ok $? "Extraction without getcpu plugin have $num_events/$NUM_EVENT"
134 compare_fail cpuid_events[@]
135
136 return $?
137 }
138
139 test_getcpu_override()
140 {
141 diag "Getcpu plugin - with plugin preloaded"
142
143 create_lttng_session_ok $SESSION_NAME $TRACE_PATH
144 enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME"
145 start_lttng_tracing_ok $SESSION_NAME
146 run_getcpu_plugin_app
147 stop_lttng_tracing_ok $SESSION_NAME
148 destroy_lttng_session_ok $SESSION_NAME
149
150 local cpuid_events=($($BABELTRACE_BIN $TRACE_PATH | sed -n 's/.*cpu_id = \([0-9]*\).*/\1/p'))
151 local num_events=${#cpuid_events[*]}
152 test $num_events -eq $NUM_EVENT
153 ok $? "Extraction with getcpu plugin have $num_events/$NUM_EVENT"
154
155 compare_ok cpuid_events[@]
156
157 return $?
158 }
159
160 plan_tests $NUM_TESTS
161
162 print_test_banner "$TEST_DESC"
163
164 TESTS=(
165 test_getcpu_override_fail
166 test_getcpu_override
167 )
168
169 TEST_COUNT=${#TESTS[@]}
170 i=0
171
172 start_lttng_sessiond
173
174 for fct_test in ${TESTS[@]};
175 do
176 TRACE_PATH=$(mktemp -d)
177
178 ${fct_test}
179 if [ $? -ne 0 ]; then
180 break;
181 fi
182
183 rm -rf $TRACE_PATH
184 done
185
186 stop_lttng_sessiond
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