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568d7e2d JR |
1 | #!/bin/bash |
2 | # | |
9d16b343 | 3 | # Copyright (C) 2015 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> |
568d7e2d | 4 | # |
9d16b343 MJ |
5 | # SPDX-License-Identifier: LGPL-2.1-only |
6 | ||
568d7e2d JR |
7 | TEST_DESC="UST - Getcpu override plugin" |
8 | ||
9 | CURDIR=$(dirname $0)/ | |
10 | TESTDIR=$CURDIR/../../.. | |
11 | SESSION_NAME="sequence-cpu" | |
12 | ||
13 | TESTAPP_PATH="$TESTDIR/utils/testapp" | |
14 | TESTAPP_NAME="gen-ust-events" | |
15 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" | |
16 | TESTAPP_WRAPPER="run-getcpu-override" | |
17 | NUM_EVENT=256 | |
ce14b22b | 18 | EVENT_WAIT_USEC=1 |
568d7e2d JR |
19 | EVENT_NAME="tp:tptest" |
20 | ||
21 | NUM_TESTS=20 | |
22 | ||
23 | SEQUENCE_SEED=( | |
24 | 100 57 232 236 42 193 224 184 216 150 92 91 108 118 55 243 65 101 209 0 147 36 | |
25 | 29 34 49 188 174 105 253 245 227 238 112 20 222 201 102 175 119 19 132 41 78 90 | |
26 | 114 64 138 14 48 18 162 85 204 124 133 73 172 106 241 126 28 104 111 21 127 219 | |
27 | 9 244 237 189 59 214 52 141 107 26 25 199 3 157 117 234 33 44 46 84 69 155 122 | |
28 | 250 231 86 239 76 190 120 1 94 206 8 148 159 167 215 164 31 217 61 71 125 68 109 | |
29 | 195 177 95 82 142 182 129 87 37 140 134 186 173 39 116 143 254 229 131 67 121 | |
30 | 192 240 15 221 30 242 185 80 170 135 51 187 194 246 12 225 181 137 211 228 88 | |
31 | 218 27 233 161 77 252 123 93 220 248 205 223 144 128 196 70 247 210 178 203 154 | |
32 | 24 169 149 163 35 7 151 103 197 139 165 158 207 72 113 145 45 183 11 198 43 81 | |
33 | 230 97 96 2 66 213 146 179 22 58 54 38 160 200 235 226 156 56 208 249 32 176 168 | |
34 | 110 191 79 152 115 10 74 60 251 17 83 180 171 202 40 166 255 53 212 98 5 50 99 4 | |
35 | 89 13 63 6 136 153 23 16 47 130 75 62 | |
36 | ) | |
37 | ||
fb7767e0 JG |
38 | source $TESTDIR/utils/utils.sh |
39 | ||
568d7e2d | 40 | # Equivalent to the syconf(_SC_NPROCESSORS_CONF) call. |
75da093a | 41 | num_cpus=$(conf_proc_count) |
568d7e2d | 42 | |
568d7e2d JR |
43 | # MUST set TESTDIR before calling those functions |
44 | ||
45 | run_app() | |
46 | { | |
47 | diag "Launching app without getcpu-plugin wrapper" | |
6c4a91d6 | 48 | $TESTAPP_BIN -i $NUM_EVENT -w $EVENT_WAIT_USEC |
568d7e2d JR |
49 | ok $? "Application without wrapper done" |
50 | } | |
51 | ||
52 | run_getcpu_plugin_app() | |
53 | { | |
54 | diag "Launching app with getcpu-plugin wrapper" | |
6c4a91d6 | 55 | $CURDIR/$TESTAPP_WRAPPER $TESTAPP_BIN -i $NUM_EVENT -w $EVENT_WAIT_USEC |
568d7e2d JR |
56 | ok $? "Application with wrapper done" |
57 | } | |
58 | ||
59 | compare_ok() | |
60 | { | |
61 | compare 0 "$@" | |
62 | } | |
63 | ||
64 | compare_fail() | |
65 | { | |
66 | compare 1 "$@" | |
67 | } | |
68 | ||
69 | compare() | |
70 | { | |
71 | local expected_to_fail=$1 | |
72 | declare -a array_to_compare=("${!2}") | |
73 | local valid=0 | |
74 | ||
75 | test ${#array_to_compare[*]} -eq ${#SEQUENCE_SEED[*]} | |
0a44ce80 | 76 | ok $? "Sequence seed and cpuid sequence have the same size ${#SEQUENCE_SEED[*]}/${#array_to_compare[*]}" |
568d7e2d JR |
77 | |
78 | for (( i = 0; i < ${#SEQUENCE_SEED[*]}; i++ )); do | |
75da093a | 79 | if [ "${array_to_compare[$i]}" -ne "$(( ${SEQUENCE_SEED[$i]} % $num_cpus))" ]; then |
568d7e2d JR |
80 | valid=1 |
81 | break | |
82 | fi | |
83 | done | |
84 | ||
85 | if [[ $expected_to_fail -eq "1" ]]; then | |
86 | test $valid -ne "0" | |
0a44ce80 | 87 | ok $? "Cpuid extraction and seed sequence comparison fails as expected" |
568d7e2d JR |
88 | else |
89 | ok $valid "Cpuid extraction and seed sequence comparison" | |
0a44ce80 JG |
90 | if [[ $valid -ne "0" ]]; then |
91 | diag "Dumping arrays after failed comparison" | |
92 | for (( i = 0; i < ${#SEQUENCE_SEED[*]}; i++ )); do | |
93 | echo -n "# array value is " | |
94 | echo -n "${array_to_compare[$i]}" | |
95 | echo -n " expected " | |
75da093a | 96 | echo "$(( ${SEQUENCE_SEED[$i]} % $num_cpus))" |
0a44ce80 JG |
97 | done |
98 | diag "Dumping trace" | |
99 | $BABELTRACE_BIN $TRACE_PATH | awk '{print "# " $0}' | |
100 | fi | |
568d7e2d JR |
101 | fi |
102 | } | |
103 | ||
0a44ce80 | 104 | test_getcpu_override_fail() |
568d7e2d | 105 | { |
0a44ce80 | 106 | diag "Getcpu plugin - no preloaded plugin" |
568d7e2d JR |
107 | |
108 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH | |
109 | enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME" | |
110 | start_lttng_tracing_ok $SESSION_NAME | |
111 | run_app | |
112 | stop_lttng_tracing_ok $SESSION_NAME | |
113 | destroy_lttng_session_ok $SESSION_NAME | |
114 | ||
115 | # Move output to an array by using =($()) | |
0a44ce80 JG |
116 | local cpuid_events=($($BABELTRACE_BIN $TRACE_PATH | sed -n 's/.*cpu_id = \([0-9]*\).*/\1/p')) |
117 | local num_events=${#cpuid_events[*]} | |
568d7e2d JR |
118 | test $num_events -eq $NUM_EVENT |
119 | ok $? "Extraction without getcpu plugin have $num_events/$NUM_EVENT" | |
120 | compare_fail cpuid_events[@] | |
121 | ||
0a44ce80 JG |
122 | return $? |
123 | } | |
124 | ||
125 | test_getcpu_override() | |
126 | { | |
127 | diag "Getcpu plugin - with plugin preloaded" | |
128 | ||
568d7e2d JR |
129 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
130 | enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME" | |
131 | start_lttng_tracing_ok $SESSION_NAME | |
132 | run_getcpu_plugin_app | |
133 | stop_lttng_tracing_ok $SESSION_NAME | |
134 | destroy_lttng_session_ok $SESSION_NAME | |
135 | ||
0a44ce80 JG |
136 | local cpuid_events=($($BABELTRACE_BIN $TRACE_PATH | sed -n 's/.*cpu_id = \([0-9]*\).*/\1/p')) |
137 | local num_events=${#cpuid_events[*]} | |
568d7e2d | 138 | test $num_events -eq $NUM_EVENT |
0a44ce80 | 139 | ok $? "Extraction with getcpu plugin have $num_events/$NUM_EVENT" |
568d7e2d JR |
140 | |
141 | compare_ok cpuid_events[@] | |
142 | ||
143 | return $? | |
144 | } | |
145 | ||
146 | plan_tests $NUM_TESTS | |
147 | ||
148 | print_test_banner "$TEST_DESC" | |
149 | ||
c125de8f FD |
150 | bail_out_if_no_babeltrace |
151 | ||
f87d0ca3 JR |
152 | if [ ! -x "$CURDIR/.libs/lttng-ust-getcpu-override-test.so" ]; then |
153 | skip 0 "No shared object generated. Skipping all tests." $NUM_TESTS && exit 0 | |
154 | fi | |
155 | ||
156 | if [ "$num_cpus" -eq "1" ]; then | |
157 | # Skip the test since we cannot perform it as designed since N mod 1 | |
158 | # is always equals to zero. There is no point testing this on a system | |
159 | # with a single configured core. LTTng-UST limits the get_cpu function | |
160 | # to return value inside the [0, NUM_CPU - 1] range for a valid event | |
161 | # (present in trace). | |
162 | skip 0 "Test system only have a single thread. Skipping all tests." $NUM_TESTS && exit 0 | |
f37e092d MD |
163 | fi |
164 | ||
f37e092d | 165 | |
568d7e2d | 166 | TESTS=( |
0a44ce80 JG |
167 | test_getcpu_override_fail |
168 | test_getcpu_override | |
568d7e2d JR |
169 | ) |
170 | ||
171 | TEST_COUNT=${#TESTS[@]} | |
172 | i=0 | |
173 | ||
174 | start_lttng_sessiond | |
175 | ||
0a44ce80 JG |
176 | for fct_test in ${TESTS[@]}; |
177 | do | |
33e55711 | 178 | TRACE_PATH=$(mktemp --tmpdir -d tmp.test_getcpu_override_trace_path.XXXXXX) |
568d7e2d | 179 | |
0a44ce80 JG |
180 | ${fct_test} |
181 | if [ $? -ne 0 ]; then | |
182 | break; | |
183 | fi | |
568d7e2d JR |
184 | |
185 | rm -rf $TRACE_PATH | |
568d7e2d JR |
186 | done |
187 | ||
188 | stop_lttng_sessiond |