| 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 | source $TESTDIR/utils/utils.sh |
| 49 | |
| 50 | # Equivalent to the syconf(_SC_NPROCESSORS_CONF) call. |
| 51 | num_cpus=$(conf_proc_count) |
| 52 | |
| 53 | # MUST set TESTDIR before calling those functions |
| 54 | |
| 55 | run_app() |
| 56 | { |
| 57 | diag "Launching app without getcpu-plugin wrapper" |
| 58 | $TESTAPP_BIN $NUM_EVENT $EVENT_WAIT_USEC |
| 59 | ok $? "Application without wrapper done" |
| 60 | } |
| 61 | |
| 62 | run_getcpu_plugin_app() |
| 63 | { |
| 64 | diag "Launching app with getcpu-plugin wrapper" |
| 65 | $CURDIR/$TESTAPP_WRAPPER $TESTAPP_BIN $NUM_EVENT $EVENT_WAIT_USEC |
| 66 | ok $? "Application with wrapper done" |
| 67 | } |
| 68 | |
| 69 | compare_ok() |
| 70 | { |
| 71 | compare 0 "$@" |
| 72 | } |
| 73 | |
| 74 | compare_fail() |
| 75 | { |
| 76 | compare 1 "$@" |
| 77 | } |
| 78 | |
| 79 | compare() |
| 80 | { |
| 81 | local expected_to_fail=$1 |
| 82 | declare -a array_to_compare=("${!2}") |
| 83 | local valid=0 |
| 84 | |
| 85 | test ${#array_to_compare[*]} -eq ${#SEQUENCE_SEED[*]} |
| 86 | ok $? "Sequence seed and cpuid sequence have the same size ${#SEQUENCE_SEED[*]}/${#array_to_compare[*]}" |
| 87 | |
| 88 | for (( i = 0; i < ${#SEQUENCE_SEED[*]}; i++ )); do |
| 89 | if [ "${array_to_compare[$i]}" -ne "$(( ${SEQUENCE_SEED[$i]} % $num_cpus))" ]; then |
| 90 | valid=1 |
| 91 | break |
| 92 | fi |
| 93 | done |
| 94 | |
| 95 | if [[ $expected_to_fail -eq "1" ]]; then |
| 96 | test $valid -ne "0" |
| 97 | ok $? "Cpuid extraction and seed sequence comparison fails as expected" |
| 98 | else |
| 99 | ok $valid "Cpuid extraction and seed sequence comparison" |
| 100 | if [[ $valid -ne "0" ]]; then |
| 101 | diag "Dumping arrays after failed comparison" |
| 102 | for (( i = 0; i < ${#SEQUENCE_SEED[*]}; i++ )); do |
| 103 | echo -n "# array value is " |
| 104 | echo -n "${array_to_compare[$i]}" |
| 105 | echo -n " expected " |
| 106 | echo "$(( ${SEQUENCE_SEED[$i]} % $num_cpus))" |
| 107 | done |
| 108 | diag "Dumping trace" |
| 109 | $BABELTRACE_BIN $TRACE_PATH | awk '{print "# " $0}' |
| 110 | fi |
| 111 | fi |
| 112 | } |
| 113 | |
| 114 | test_getcpu_override_fail() |
| 115 | { |
| 116 | diag "Getcpu plugin - no preloaded plugin" |
| 117 | |
| 118 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 119 | enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME" |
| 120 | start_lttng_tracing_ok $SESSION_NAME |
| 121 | run_app |
| 122 | stop_lttng_tracing_ok $SESSION_NAME |
| 123 | destroy_lttng_session_ok $SESSION_NAME |
| 124 | |
| 125 | # Move output to an array by using =($()) |
| 126 | local cpuid_events=($($BABELTRACE_BIN $TRACE_PATH | sed -n 's/.*cpu_id = \([0-9]*\).*/\1/p')) |
| 127 | local num_events=${#cpuid_events[*]} |
| 128 | test $num_events -eq $NUM_EVENT |
| 129 | ok $? "Extraction without getcpu plugin have $num_events/$NUM_EVENT" |
| 130 | compare_fail cpuid_events[@] |
| 131 | |
| 132 | return $? |
| 133 | } |
| 134 | |
| 135 | test_getcpu_override() |
| 136 | { |
| 137 | diag "Getcpu plugin - with plugin preloaded" |
| 138 | |
| 139 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 140 | enable_ust_lttng_event_ok $SESSION_NAME "$EVENT_NAME" |
| 141 | start_lttng_tracing_ok $SESSION_NAME |
| 142 | run_getcpu_plugin_app |
| 143 | stop_lttng_tracing_ok $SESSION_NAME |
| 144 | destroy_lttng_session_ok $SESSION_NAME |
| 145 | |
| 146 | local cpuid_events=($($BABELTRACE_BIN $TRACE_PATH | sed -n 's/.*cpu_id = \([0-9]*\).*/\1/p')) |
| 147 | local num_events=${#cpuid_events[*]} |
| 148 | test $num_events -eq $NUM_EVENT |
| 149 | ok $? "Extraction with getcpu plugin have $num_events/$NUM_EVENT" |
| 150 | |
| 151 | compare_ok cpuid_events[@] |
| 152 | |
| 153 | return $? |
| 154 | } |
| 155 | |
| 156 | plan_tests $NUM_TESTS |
| 157 | |
| 158 | print_test_banner "$TEST_DESC" |
| 159 | |
| 160 | if [ -x "$CURDIR/.libs/lttng-ust-getcpu-override-test.so" ]; then |
| 161 | foundobj=1 |
| 162 | else |
| 163 | foundobj=0 |
| 164 | fi |
| 165 | |
| 166 | skip $foundobj "No shared object generated. Skipping all tests." $NUM_TESTS && exit 0 |
| 167 | |
| 168 | TESTS=( |
| 169 | test_getcpu_override_fail |
| 170 | test_getcpu_override |
| 171 | ) |
| 172 | |
| 173 | TEST_COUNT=${#TESTS[@]} |
| 174 | i=0 |
| 175 | |
| 176 | start_lttng_sessiond |
| 177 | |
| 178 | for fct_test in ${TESTS[@]}; |
| 179 | do |
| 180 | TRACE_PATH=$(mktemp -d) |
| 181 | |
| 182 | ${fct_test} |
| 183 | if [ $? -ne 0 ]; then |
| 184 | break; |
| 185 | fi |
| 186 | |
| 187 | rm -rf $TRACE_PATH |
| 188 | done |
| 189 | |
| 190 | stop_lttng_sessiond |