| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) - 2013 Julien Desfossez <jdesfossez@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="Snapshots - 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="snapchan" |
| 25 | TESTAPP_PATH="$TESTDIR/utils/testapp" |
| 26 | TESTAPP_NAME="gen-ust-events" |
| 27 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" |
| 28 | NR_ITER=2000000 |
| 29 | NR_USEC_WAIT=100 |
| 30 | |
| 31 | TRACE_PATH=$(mktemp -d) |
| 32 | |
| 33 | NUM_TESTS=2075 |
| 34 | |
| 35 | source $TESTDIR/utils/utils.sh |
| 36 | |
| 37 | if [ ! -x "$TESTAPP_BIN" ]; then |
| 38 | BAIL_OUT "No UST events binary detected." |
| 39 | fi |
| 40 | |
| 41 | function snapshot_add_output () |
| 42 | { |
| 43 | local sess_name=$1 |
| 44 | local trace_path=$2 |
| 45 | local name=$3 |
| 46 | local max_size=$4 |
| 47 | local extra_opt="" |
| 48 | |
| 49 | if [ ! -z $name ]; then |
| 50 | extra_opt+=" -n $name " |
| 51 | fi |
| 52 | |
| 53 | if [ ! -z $max_size ]; then |
| 54 | extra_opt+=" -m $max_size " |
| 55 | fi |
| 56 | |
| 57 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output \ |
| 58 | -s $sess_name $extra_opt $trace_path > /dev/null 2>&1 |
| 59 | |
| 60 | ok $? "Added snapshot output $trace_path ($extra_opt)" |
| 61 | } |
| 62 | |
| 63 | function snapshot_del_output () |
| 64 | { |
| 65 | local sess_name=$1 |
| 66 | local name=$2 |
| 67 | |
| 68 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output \ |
| 69 | -s $sess_name $name > /dev/null 2>&1 |
| 70 | |
| 71 | ok $? "Deleted snapshot output named $name" |
| 72 | } |
| 73 | |
| 74 | function enable_mmap_overwrite_subbuf_ust_channel () |
| 75 | { |
| 76 | local sess_name=$1 |
| 77 | local chan_name=$2 |
| 78 | local subbuf_size=$3 |
| 79 | |
| 80 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name \ |
| 81 | $chan_name -u --output mmap --overwrite \ |
| 82 | --subbuf-size $subbuf_size > /dev/null 2>&1 |
| 83 | |
| 84 | ok $? "Enable channel $channel_name for session $sess_name with subbuf size $subbuf_size" |
| 85 | } |
| 86 | |
| 87 | |
| 88 | function test_ust_list_output () |
| 89 | { |
| 90 | output_names=("randomname" "somesnapshot") |
| 91 | |
| 92 | diag "Test UST snapshot output listing" |
| 93 | create_lttng_session_no_output $SESSION_NAME |
| 94 | enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME |
| 95 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 96 | |
| 97 | start_lttng_tracing $SESSION_NAME |
| 98 | |
| 99 | snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[0]} |
| 100 | |
| 101 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \ |
| 102 | -s $SESSION_NAME 2>&1 | grep ${output_names[0]} > /dev/null |
| 103 | ok $? "Snapshot named ${output_names[0]} present in list-output listing" |
| 104 | |
| 105 | snapshot_del_output $SESSION_NAME ${output_names[0]} |
| 106 | |
| 107 | snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[1]} |
| 108 | |
| 109 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \ |
| 110 | -s $SESSION_NAME 2>&1 | grep ${output_names[1]} > /dev/null |
| 111 | |
| 112 | ok $? "Snapshot named ${output_names[1]} present in list-output listing" |
| 113 | |
| 114 | stop_lttng_tracing $SESSION_NAME |
| 115 | destroy_lttng_session $SESSION_NAME |
| 116 | } |
| 117 | |
| 118 | function test_ust_local_snapshot () |
| 119 | { |
| 120 | diag "Test local UST snapshots" |
| 121 | create_lttng_session_no_output $SESSION_NAME |
| 122 | enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME |
| 123 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 124 | start_lttng_tracing $SESSION_NAME |
| 125 | lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH |
| 126 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
| 127 | ok $? "Start application to trace" |
| 128 | lttng_snapshot_record $SESSION_NAME |
| 129 | stop_lttng_tracing $SESSION_NAME |
| 130 | destroy_lttng_session $SESSION_NAME |
| 131 | |
| 132 | # Validate test |
| 133 | validate_trace $EVENT_NAME $TRACE_PATH/ |
| 134 | if [ $? -eq 0 ]; then |
| 135 | # Only delete if successful |
| 136 | rm -rf $TRACE_PATH |
| 137 | else |
| 138 | break |
| 139 | fi |
| 140 | diag "Killing $TESTAPP_NAME" |
| 141 | PID_APP=`pidof $TESTAPP_NAME` |
| 142 | kill $PID_APP >/dev/null 2>&1 |
| 143 | } |
| 144 | |
| 145 | function test_ust_local_snapshot_max_size () |
| 146 | { |
| 147 | subbuf_size=8192 |
| 148 | num_cpus=`nproc` |
| 149 | |
| 150 | # The minimum size limit is min(subbuf_size) * nb_streams |
| 151 | max_size=$(($subbuf_size*$num_cpus)) |
| 152 | |
| 153 | diag "Test local UST snapshots with max size $max_size" |
| 154 | create_lttng_session_no_output $SESSION_NAME |
| 155 | |
| 156 | enable_mmap_overwrite_subbuf_ust_channel $SESSION_NAME $CHANNEL_NAME $subbuf_size |
| 157 | |
| 158 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 159 | start_lttng_tracing $SESSION_NAME |
| 160 | |
| 161 | snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" "" $max_size |
| 162 | |
| 163 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
| 164 | ok $? "Start application to trace" |
| 165 | |
| 166 | lttng_snapshot_record $SESSION_NAME |
| 167 | |
| 168 | # Check file size |
| 169 | sum_size_tracefiles=$(find $TRACE_PATH -name "${CHANNEL_NAME}_*" \ |
| 170 | -exec stat -c '%s' {} \; | awk '{s = s + $1}END{print s}') |
| 171 | |
| 172 | if [ "$sum_size_tracefiles" -gt "$max_size" ]; then |
| 173 | fail "Tracefiles size sum validation" |
| 174 | diag "Tracefiles size sum: $sum_size_tracefiles Expected max: $max_size" |
| 175 | fi |
| 176 | |
| 177 | pass "Tracefiles size sum validation" |
| 178 | |
| 179 | stop_lttng_tracing $SESSION_NAME |
| 180 | destroy_lttng_session $SESSION_NAME |
| 181 | |
| 182 | # Validate test |
| 183 | validate_trace $EVENT_NAME $TRACE_PATH/ |
| 184 | |
| 185 | if [ $? -eq 0 ]; then |
| 186 | # Only delete if successful |
| 187 | rm -rf $TRACE_PATH |
| 188 | fi |
| 189 | |
| 190 | diag "Killing $TESTAPP_NAME" |
| 191 | PID_APP=`pidof $TESTAPP_NAME` |
| 192 | kill $PID_APP >/dev/null 2>&1 |
| 193 | } |
| 194 | |
| 195 | function test_ust_local_snapshot_large_metadata () |
| 196 | { |
| 197 | LM_EVENT="tp:tptest1,tp:tptest2,tp:tptest3,tp:tptest4,tp:tptest5" |
| 198 | LM_PATH="$TESTDIR/utils/testapp" |
| 199 | LM_NAME="gen-ust-nevents" |
| 200 | LM_BIN="$LM_PATH/$LM_NAME/$LM_NAME" |
| 201 | |
| 202 | diag "Test local UST snapshots with > 4kB metadata" |
| 203 | create_lttng_session_no_output $SESSION_NAME |
| 204 | enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME |
| 205 | enable_ust_lttng_event $SESSION_NAME $LM_EVENT $CHANNEL_NAME |
| 206 | start_lttng_tracing $SESSION_NAME |
| 207 | lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH |
| 208 | $LM_BIN 1 1 |
| 209 | ok $? "Start application to trace" |
| 210 | lttng_snapshot_record $SESSION_NAME |
| 211 | stop_lttng_tracing $SESSION_NAME |
| 212 | destroy_lttng_session $SESSION_NAME |
| 213 | |
| 214 | # Validate test |
| 215 | validate_trace $LM_EVENT $TRACE_PATH/ |
| 216 | if [ $? -eq 0 ]; then |
| 217 | # Only delete if successful |
| 218 | rm -rf $TRACE_PATH |
| 219 | else |
| 220 | break |
| 221 | fi |
| 222 | } |
| 223 | |
| 224 | function enable_channel_per_uid_mmap_overwrite() |
| 225 | { |
| 226 | sess_name=$1 |
| 227 | channel_name=$2 |
| 228 | |
| 229 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --output mmap --overwrite >/dev/null 2>&1 |
| 230 | ok $? "Enable channel $channel_name per UID for session $sess_name" |
| 231 | } |
| 232 | |
| 233 | function test_ust_per_uid_local_snapshot () |
| 234 | { |
| 235 | diag "Test local UST snapshots" |
| 236 | create_lttng_session_no_output $SESSION_NAME |
| 237 | enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME |
| 238 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 239 | start_lttng_tracing $SESSION_NAME |
| 240 | lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH |
| 241 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
| 242 | ok $? "Start application to trace" |
| 243 | lttng_snapshot_record $SESSION_NAME |
| 244 | stop_lttng_tracing $SESSION_NAME |
| 245 | destroy_lttng_session $SESSION_NAME |
| 246 | |
| 247 | # Validate test |
| 248 | validate_trace $EVENT_NAME $TRACE_PATH/ |
| 249 | if [ $? -eq 0 ]; then |
| 250 | # Only delete if successful |
| 251 | rm -rf $TRACE_PATH |
| 252 | else |
| 253 | break |
| 254 | fi |
| 255 | diag "Killing $TESTAPP_NAME" |
| 256 | PID_APP=`pidof $TESTAPP_NAME` |
| 257 | kill $PID_APP >/dev/null 2>&1 |
| 258 | } |
| 259 | |
| 260 | function test_ust_per_uid_local_snapshot_post_mortem () |
| 261 | { |
| 262 | diag "Test local UST snapshots post-mortem" |
| 263 | create_lttng_session_no_output $SESSION_NAME |
| 264 | enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME |
| 265 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 266 | start_lttng_tracing $SESSION_NAME |
| 267 | lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH |
| 268 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
| 269 | ok $? "Start application to trace" |
| 270 | diag "Killing $TESTAPP_NAME" |
| 271 | PID_APP=`pidof $TESTAPP_NAME` |
| 272 | kill $PID_APP >/dev/null 2>&1 |
| 273 | lttng_snapshot_record $SESSION_NAME |
| 274 | stop_lttng_tracing $SESSION_NAME |
| 275 | destroy_lttng_session $SESSION_NAME |
| 276 | |
| 277 | # Validate test |
| 278 | validate_trace $EVENT_NAME $TRACE_PATH/ |
| 279 | if [ $? -eq 0 ]; then |
| 280 | # Only delete if successful |
| 281 | rm -rf $TRACE_PATH |
| 282 | else |
| 283 | break |
| 284 | fi |
| 285 | } |
| 286 | |
| 287 | function test_ust_1000_local_snapshots () |
| 288 | { |
| 289 | NB_SNAP=1000 |
| 290 | |
| 291 | diag "Test $NB_SNAP local UST snapshots" |
| 292 | create_lttng_session_no_output $SESSION_NAME |
| 293 | enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME |
| 294 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 295 | start_lttng_tracing $SESSION_NAME |
| 296 | lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH |
| 297 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
| 298 | for i in $(seq 1 $NB_SNAP); do |
| 299 | diag "Snapshot $i/$NB_SNAP" |
| 300 | rm -rf $TRACE_PATH/snapshot/* 2>/dev/null |
| 301 | lttng_snapshot_record $SESSION_NAME |
| 302 | # Validate test |
| 303 | validate_trace $EVENT_NAME $TRACE_PATH/ |
| 304 | if [ $? -eq 0 ]; then |
| 305 | # Only delete if successful |
| 306 | rm -rf $TRACE_PATH |
| 307 | else |
| 308 | break |
| 309 | fi |
| 310 | done |
| 311 | stop_lttng_tracing $SESSION_NAME |
| 312 | destroy_lttng_session $SESSION_NAME |
| 313 | diag "Killing $TESTAPP_NAME" |
| 314 | PID_APP=`pidof $TESTAPP_NAME` |
| 315 | kill $PID_APP >/dev/null 2>&1 |
| 316 | } |
| 317 | |
| 318 | plan_tests $NUM_TESTS |
| 319 | |
| 320 | print_test_banner "$TEST_DESC" |
| 321 | |
| 322 | if [ "$(id -u)" == "0" ]; then |
| 323 | isroot=1 |
| 324 | else |
| 325 | isroot=0 |
| 326 | fi |
| 327 | |
| 328 | start_lttng_sessiond |
| 329 | |
| 330 | tests=( test_ust_list_output |
| 331 | test_ust_local_snapshot |
| 332 | test_ust_local_snapshot_max_size |
| 333 | test_ust_per_uid_local_snapshot |
| 334 | test_ust_per_uid_local_snapshot_post_mortem |
| 335 | test_ust_local_snapshot_large_metadata |
| 336 | test_ust_1000_local_snapshots ) |
| 337 | |
| 338 | for fct_test in ${tests[@]}; |
| 339 | do |
| 340 | SESSION_NAME=$(randstring 16 0) |
| 341 | ${fct_test} |
| 342 | done |
| 343 | |
| 344 | stop_lttng_sessiond |