| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com> |
| 4 | # |
| 5 | # SPDX-License-Identifier: LGPL-2.1-only |
| 6 | |
| 7 | TEST_DESC="Snapshots - UST tracing" |
| 8 | |
| 9 | CURDIR=$(dirname "$0")/ |
| 10 | TESTDIR="$CURDIR/../../.." |
| 11 | EVENT_NAME="tp:tptest" |
| 12 | SESSION_NAME="" |
| 13 | CHANNEL_NAME="snapchan" |
| 14 | TESTAPP_PATH="$TESTDIR/utils/testapp" |
| 15 | TESTAPP_NAME="gen-ust-events" |
| 16 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" |
| 17 | APPS_PID=() |
| 18 | |
| 19 | NUM_TESTS=104 |
| 20 | |
| 21 | TRACE_PATH=$(mktemp -d -t tmp.test_snapshots_ust_trace_path.XXXXXX) |
| 22 | |
| 23 | # shellcheck source-path=SCRIPTDIR/../../../ |
| 24 | source "$TESTDIR/utils/utils.sh" |
| 25 | |
| 26 | if [ ! -x "$TESTAPP_BIN" ]; then |
| 27 | BAIL_OUT "No UST events binary detected" |
| 28 | fi |
| 29 | |
| 30 | # Need the number of snapshot to do. |
| 31 | if [ -z "$1" ]; then |
| 32 | BAIL_OUT "A number of snapshot is needed" |
| 33 | fi |
| 34 | NR_SNAPSHOT=$1 |
| 35 | |
| 36 | NUM_TESTS=$((NUM_TESTS + (NR_SNAPSHOT * 3))) |
| 37 | |
| 38 | function start_test_app() |
| 39 | { |
| 40 | local tmp_file |
| 41 | tmp_file=$(mktemp -u -t "tmp.${FUNCNAME[0]}_tmp_file.XXXXXX") |
| 42 | |
| 43 | # Start application with a temporary file. |
| 44 | $TESTAPP_BIN -i "$NR_ITER" -w "$NR_USEC_WAIT" --sync-after-first-event "$tmp_file" & |
| 45 | ret=$? |
| 46 | APPS_PID+=(${!}) |
| 47 | ok $ret "Start application to trace" |
| 48 | |
| 49 | # Wait for the application file to appear indicating that at least one |
| 50 | # tracepoint has been fired. |
| 51 | while [ ! -f "$tmp_file" ]; do |
| 52 | sleep 0.5 |
| 53 | done |
| 54 | diag "Removing test app temporary file $tmp_file" |
| 55 | rm -f "$tmp_file" |
| 56 | } |
| 57 | |
| 58 | function wait_test_apps() |
| 59 | { |
| 60 | diag "Waiting for $TESTAPP_NAME" |
| 61 | wait "${APPS_PID[@]}" 2>/dev/null |
| 62 | } |
| 63 | |
| 64 | function stop_test_apps() |
| 65 | { |
| 66 | diag "Stopping $TESTAPP_NAME" |
| 67 | kill "${APPS_PID[@]}" |
| 68 | wait "${APPS_PID[@]}" |
| 69 | APPS_PID=() |
| 70 | } |
| 71 | |
| 72 | function snapshot_add_output () |
| 73 | { |
| 74 | local sess_name=$1 |
| 75 | local trace_path=$2 |
| 76 | local name=$3 |
| 77 | local max_size=$4 |
| 78 | local extra_opt=() |
| 79 | |
| 80 | if [ -n "$name" ]; then |
| 81 | extra_opt+=(-n "$name") |
| 82 | fi |
| 83 | |
| 84 | if [ -n "$max_size" ]; then |
| 85 | extra_opt+=(-m "$max_size") |
| 86 | fi |
| 87 | |
| 88 | "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" snapshot add-output \ |
| 89 | -s "$sess_name" "${extra_opt[@]}" "$trace_path" > /dev/null 2>&1 |
| 90 | |
| 91 | ok $? "Added snapshot output $trace_path (${extra_opt[*]})" |
| 92 | } |
| 93 | |
| 94 | function snapshot_del_output () |
| 95 | { |
| 96 | local sess_name=$1 |
| 97 | local name=$2 |
| 98 | |
| 99 | "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" snapshot del-output \ |
| 100 | -s "$sess_name" "$name" > /dev/null 2>&1 |
| 101 | |
| 102 | ok $? "Deleted snapshot output named $name" |
| 103 | } |
| 104 | |
| 105 | function enable_mmap_overwrite_subbuf_ust_channel () |
| 106 | { |
| 107 | local sess_name=$1 |
| 108 | local chan_name=$2 |
| 109 | local subbuf_size=$3 |
| 110 | local subbuf_count=$4 |
| 111 | |
| 112 | "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" enable-channel -s "$sess_name" \ |
| 113 | "$chan_name" -u --output mmap --overwrite \ |
| 114 | --num-subbuf="$subbuf_count" \ |
| 115 | --subbuf-size "$subbuf_size" > /dev/null 2>&1 |
| 116 | |
| 117 | ok $? "Enable channel $channel_name for session $sess_name with subbuf size $subbuf_size" |
| 118 | } |
| 119 | |
| 120 | function enable_mmap_small_discard_ust_channel () |
| 121 | { |
| 122 | local sess_name=$1 |
| 123 | local chan_name=$2 |
| 124 | |
| 125 | "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" enable-channel -s "$sess_name" \ |
| 126 | "$chan_name" -u --output mmap --discard \ |
| 127 | --subbuf-size "$(getconf PAGE_SIZE)" --num-subbuf 2 \ |
| 128 | > /dev/null 2>&1 |
| 129 | |
| 130 | ok $? "Enable channel $channel_name for session $sess_name with small discard buffers" |
| 131 | } |
| 132 | |
| 133 | function enable_mmap_small_overwrite_ust_channel () |
| 134 | { |
| 135 | local sess_name=$1 |
| 136 | local chan_name=$2 |
| 137 | |
| 138 | "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" enable-channel -s "$sess_name" \ |
| 139 | "$chan_name" -u --output mmap --overwrite \ |
| 140 | --subbuf-size "$(getconf PAGE_SIZE)" --num-subbuf 2 \ |
| 141 | > /dev/null 2>&1 |
| 142 | |
| 143 | ok $? "Enable channel $channel_name for session $sess_name with small discard buffers" |
| 144 | } |
| 145 | |
| 146 | function test_ust_list_output () |
| 147 | { |
| 148 | output_names=("randomname" "somesnapshot") |
| 149 | |
| 150 | diag "Test UST snapshot output listing" |
| 151 | create_lttng_session_no_output "$SESSION_NAME" |
| 152 | enable_lttng_mmap_overwrite_ust_channel "$SESSION_NAME" $CHANNEL_NAME |
| 153 | enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME |
| 154 | |
| 155 | start_lttng_tracing_ok "$SESSION_NAME" |
| 156 | |
| 157 | snapshot_add_output "$SESSION_NAME" "file://$TRACE_PATH" "${output_names[0]}" |
| 158 | |
| 159 | "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" snapshot list-output \ |
| 160 | -s "$SESSION_NAME" 2>&1 | grep "${output_names[0]}" > /dev/null |
| 161 | ok $? "Snapshot named ${output_names[0]} present in list-output listing" |
| 162 | |
| 163 | snapshot_del_output "$SESSION_NAME" "${output_names[0]}" |
| 164 | |
| 165 | snapshot_add_output "$SESSION_NAME" "file://$TRACE_PATH" "${output_names[1]}" |
| 166 | |
| 167 | "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" snapshot list-output \ |
| 168 | -s "$SESSION_NAME" 2>&1 | grep "${output_names[1]}" > /dev/null |
| 169 | |
| 170 | ok $? "Snapshot named ${output_names[1]} present in list-output listing" |
| 171 | |
| 172 | stop_lttng_tracing_ok "$SESSION_NAME" |
| 173 | destroy_lttng_session_ok "$SESSION_NAME" |
| 174 | } |
| 175 | |
| 176 | function test_ust_local_snapshot () |
| 177 | { |
| 178 | NR_ITER=-1 |
| 179 | NR_USEC_WAIT=100 |
| 180 | |
| 181 | diag "Test local UST snapshots" |
| 182 | create_lttng_session_no_output "$SESSION_NAME" |
| 183 | enable_lttng_mmap_overwrite_ust_channel "$SESSION_NAME" $CHANNEL_NAME |
| 184 | enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME |
| 185 | start_lttng_tracing_ok "$SESSION_NAME" |
| 186 | lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH" |
| 187 | |
| 188 | # Returns once the application has at least fired ONE tracepoint. |
| 189 | start_test_app |
| 190 | |
| 191 | lttng_snapshot_record "$SESSION_NAME" |
| 192 | stop_lttng_tracing_ok "$SESSION_NAME" |
| 193 | destroy_lttng_session_ok "$SESSION_NAME" |
| 194 | |
| 195 | # Validate test |
| 196 | validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0 |
| 197 | if validate_trace $EVENT_NAME "$TRACE_PATH/" ; then |
| 198 | # Only delete if successful |
| 199 | rm -rf "$TRACE_PATH" |
| 200 | fi |
| 201 | |
| 202 | stop_test_apps |
| 203 | } |
| 204 | |
| 205 | function test_ust_local_snapshot_small_discard_buffers () |
| 206 | { |
| 207 | NR_ITER=10000 |
| 208 | NR_USEC_WAIT=0 |
| 209 | OLDCPUSET=$(taskset -p $$) |
| 210 | |
| 211 | diag "Test local UST snapshots with small discard buffers" |
| 212 | taskset -c "$(get_any_available_cpu)" -p $$ 1>/dev/null 2>&1 |
| 213 | create_lttng_session_no_output "$SESSION_NAME" |
| 214 | enable_mmap_small_discard_ust_channel "$SESSION_NAME" $CHANNEL_NAME |
| 215 | enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME |
| 216 | start_lttng_tracing_ok "$SESSION_NAME" |
| 217 | lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH" |
| 218 | |
| 219 | # Run test apps, wait for them to complete. |
| 220 | start_test_app |
| 221 | wait_test_apps |
| 222 | |
| 223 | # Take first snapshot, remember first line. |
| 224 | lttng_snapshot_record "$SESSION_NAME" |
| 225 | FIRST_LINE="$(trace_first_line "$TRACE_PATH/")" |
| 226 | diag "First line (1st snapshot): $FIRST_LINE" |
| 227 | rm -rf "${TRACE_PATH:?}/" |
| 228 | |
| 229 | # Run test apps, wait for them to complete. |
| 230 | start_test_app |
| 231 | wait_test_apps |
| 232 | |
| 233 | # Take second snapshot, remember first line. |
| 234 | lttng_snapshot_record "$SESSION_NAME" |
| 235 | FIRST_LINE_2="$(trace_first_line "$TRACE_PATH/")" |
| 236 | diag "First line (2nd snapshot): $FIRST_LINE_2" |
| 237 | rm -rf "${TRACE_PATH:?}/" |
| 238 | |
| 239 | if [ x"$FIRST_LINE" != x"$FIRST_LINE_2" ]; then |
| 240 | fail "First snapshot event do not match" |
| 241 | else |
| 242 | pass "First snapshot event match" |
| 243 | fi |
| 244 | |
| 245 | stop_lttng_tracing_ok "$SESSION_NAME" |
| 246 | destroy_lttng_session_ok "$SESSION_NAME" |
| 247 | taskset -p "$OLDCPUSET" $$ 1>/dev/null 2>&1 |
| 248 | } |
| 249 | |
| 250 | function test_ust_local_snapshot_small_overwrite_buffers () |
| 251 | { |
| 252 | NR_ITER=10000 |
| 253 | NR_USEC_WAIT=0 |
| 254 | OLDCPUSET=$(taskset -p $$) |
| 255 | |
| 256 | diag "Test local UST snapshots with small overwrite buffers" |
| 257 | taskset -p "$(get_any_available_cpu)" $$ 1>/dev/null 2>&1 |
| 258 | create_lttng_session_no_output "$SESSION_NAME" |
| 259 | enable_mmap_small_overwrite_ust_channel "$SESSION_NAME" $CHANNEL_NAME |
| 260 | enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME |
| 261 | start_lttng_tracing_ok "$SESSION_NAME" |
| 262 | lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH" |
| 263 | |
| 264 | # Run test apps, wait for them to complete. |
| 265 | start_test_app |
| 266 | wait_test_apps |
| 267 | |
| 268 | # Take first snapshot, remember first line. |
| 269 | lttng_snapshot_record "$SESSION_NAME" |
| 270 | FIRST_LINE="$(trace_first_line "$TRACE_PATH/")" |
| 271 | diag "First line (1st snapshot): $FIRST_LINE" |
| 272 | rm -rf "${TRACE_PATH:?}/" |
| 273 | |
| 274 | # Run test apps, wait for them to complete. |
| 275 | start_test_app |
| 276 | wait_test_apps |
| 277 | |
| 278 | # Take second snapshot, remember first line. |
| 279 | lttng_snapshot_record "$SESSION_NAME" |
| 280 | FIRST_LINE_2="$(trace_first_line "$TRACE_PATH/")" |
| 281 | diag "First line (2nd snapshot): $FIRST_LINE_2" |
| 282 | rm -rf "${TRACE_PATH:?}/" |
| 283 | |
| 284 | if [ x"$FIRST_LINE" != x"$FIRST_LINE_2" ]; then |
| 285 | pass "First snapshot event do not match" |
| 286 | else |
| 287 | fail "First snapshot event match" |
| 288 | fi |
| 289 | |
| 290 | stop_lttng_tracing_ok "$SESSION_NAME" |
| 291 | destroy_lttng_session_ok "$SESSION_NAME" |
| 292 | taskset -p "$OLDCPUSET" $$ 1>/dev/null 2>&1 |
| 293 | } |
| 294 | |
| 295 | function test_ust_local_snapshot_max_size () |
| 296 | { |
| 297 | local possible_cpus |
| 298 | local cpus_list |
| 299 | local subbuf_size |
| 300 | local subbuf_count |
| 301 | local snapshot_max_size |
| 302 | local channel_max_size_per_cpu |
| 303 | |
| 304 | IFS=" " read -r -a cpus_list <<< "$(get_online_cpus)" |
| 305 | |
| 306 | possible_cpus=$(get_possible_cpus_count) |
| 307 | subbuf_size=$(getconf PAGE_SIZE) |
| 308 | subbuf_count=8 |
| 309 | snapshot_max_size=$((subbuf_size*possible_cpus)) |
| 310 | channel_max_size_per_cpu=$((subbuf_size*subbuf_count)) |
| 311 | |
| 312 | diag "Test local UST snapshots with max size $max_size" |
| 313 | create_lttng_session_no_output "$SESSION_NAME" |
| 314 | |
| 315 | enable_mmap_overwrite_subbuf_ust_channel \ |
| 316 | "$SESSION_NAME" "$CHANNEL_NAME" \ |
| 317 | "$subbuf_size" "$subbuf_count" |
| 318 | |
| 319 | enable_ust_lttng_event_ok "$SESSION_NAME" "$EVENT_NAME" "$CHANNEL_NAME" |
| 320 | start_lttng_tracing_ok "$SESSION_NAME" |
| 321 | |
| 322 | snapshot_add_output "$SESSION_NAME" "file://$TRACE_PATH" "" "$snapshot_max_size" |
| 323 | |
| 324 | # Fill all ring-buffers of the channel; assuming event size of at least one |
| 325 | # byte |
| 326 | for cpu in "${cpus_list[@]}"; |
| 327 | do |
| 328 | diag "setting affinity to $cpu" |
| 329 | taskset --cpu-list "$cpu" "$TESTAPP_BIN" \ |
| 330 | --iter "$channel_max_size_per_cpu" |
| 331 | done |
| 332 | diag "Filled channel ring-buffers" |
| 333 | |
| 334 | lttng_snapshot_record "$SESSION_NAME" |
| 335 | |
| 336 | # Check file size |
| 337 | local snapshot_size |
| 338 | snapshot_size=$(find "$TRACE_PATH" -name "${CHANNEL_NAME}_*" \ |
| 339 | -exec stat -c '%s' {} \; | \ |
| 340 | awk '{s = s + $1}END{print s}') |
| 341 | |
| 342 | if [ "$snapshot_size" -eq "$snapshot_max_size" ]; then |
| 343 | pass "Tracefiles size sum validation" |
| 344 | else |
| 345 | fail "Tracefiles size sum validation" |
| 346 | diag "Tracefiles size sum: $snapshot_size Expected max: $snapshot_max_size" |
| 347 | fi |
| 348 | |
| 349 | stop_lttng_tracing_ok "$SESSION_NAME" |
| 350 | destroy_lttng_session_ok "$SESSION_NAME" |
| 351 | |
| 352 | # Validate test |
| 353 | validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0 |
| 354 | |
| 355 | if validate_trace "$EVENT_NAME" "$TRACE_PATH/"; then |
| 356 | # Only delete if successful |
| 357 | rm -rf "$TRACE_PATH" |
| 358 | fi |
| 359 | |
| 360 | stop_test_apps |
| 361 | } |
| 362 | |
| 363 | function test_ust_local_snapshot_large_metadata () |
| 364 | { |
| 365 | LM_EVENT="tp:tptest1,tp:tptest2,tp:tptest3,tp:tptest4,tp:tptest5" |
| 366 | LM_PATH="$TESTDIR/utils/testapp" |
| 367 | LM_NAME="gen-ust-nevents" |
| 368 | LM_BIN="$LM_PATH/$LM_NAME/$LM_NAME" |
| 369 | |
| 370 | diag "Test local UST snapshots with > 4kB metadata" |
| 371 | create_lttng_session_no_output "$SESSION_NAME" |
| 372 | enable_lttng_mmap_overwrite_ust_channel "$SESSION_NAME" $CHANNEL_NAME |
| 373 | enable_ust_lttng_event_ok "$SESSION_NAME" $LM_EVENT $CHANNEL_NAME |
| 374 | start_lttng_tracing_ok "$SESSION_NAME" |
| 375 | lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH" |
| 376 | $LM_BIN --iter 1 --wait 1 |
| 377 | ok $? "Start application to trace" |
| 378 | lttng_snapshot_record "$SESSION_NAME" |
| 379 | stop_lttng_tracing_ok "$SESSION_NAME" |
| 380 | destroy_lttng_session_ok "$SESSION_NAME" |
| 381 | |
| 382 | # Validate test |
| 383 | validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0 |
| 384 | if validate_trace $LM_EVENT "$TRACE_PATH/" ; then |
| 385 | # Only delete if successful |
| 386 | rm -rf "${TRACE_PATH:?}/" |
| 387 | fi |
| 388 | } |
| 389 | |
| 390 | function enable_channel_per_uid_mmap_overwrite() |
| 391 | { |
| 392 | sess_name=$1 |
| 393 | channel_name=$2 |
| 394 | |
| 395 | "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" enable-channel --buffers-uid -u "$channel_name" -s "$sess_name" --output mmap --overwrite >/dev/null 2>&1 |
| 396 | ok $? "Enable channel $channel_name per UID for session $sess_name" |
| 397 | } |
| 398 | |
| 399 | function test_ust_per_uid_local_snapshot () |
| 400 | { |
| 401 | NR_ITER=-1 |
| 402 | NR_USEC_WAIT=100 |
| 403 | diag "Test per-uid local UST snapshots" |
| 404 | create_lttng_session_no_output "$SESSION_NAME" |
| 405 | enable_channel_per_uid_mmap_overwrite "$SESSION_NAME" $CHANNEL_NAME |
| 406 | enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME |
| 407 | start_lttng_tracing_ok "$SESSION_NAME" |
| 408 | lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH" |
| 409 | |
| 410 | # Returns once the application has at least fired ONE tracepoint. |
| 411 | start_test_app |
| 412 | |
| 413 | lttng_snapshot_record "$SESSION_NAME" |
| 414 | stop_lttng_tracing_ok "$SESSION_NAME" |
| 415 | destroy_lttng_session_ok "$SESSION_NAME" |
| 416 | |
| 417 | # Validate test |
| 418 | validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0 |
| 419 | if validate_trace $EVENT_NAME "$TRACE_PATH/" ; then |
| 420 | # Only delete if successful |
| 421 | rm -rf "${TRACE_PATH:?}/" |
| 422 | fi |
| 423 | |
| 424 | stop_test_apps |
| 425 | } |
| 426 | |
| 427 | function test_ust_per_uid_local_snapshot_post_mortem () |
| 428 | { |
| 429 | NR_ITER=-1 |
| 430 | NR_USEC_WAIT=100 |
| 431 | |
| 432 | diag "Test local UST snapshots post-mortem" |
| 433 | create_lttng_session_no_output "$SESSION_NAME" |
| 434 | enable_channel_per_uid_mmap_overwrite "$SESSION_NAME" $CHANNEL_NAME |
| 435 | enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME |
| 436 | start_lttng_tracing_ok "$SESSION_NAME" |
| 437 | lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH" |
| 438 | |
| 439 | # Returns once the application has at least fired ONE tracepoint. |
| 440 | start_test_app |
| 441 | stop_test_apps |
| 442 | |
| 443 | lttng_snapshot_record "$SESSION_NAME" |
| 444 | stop_lttng_tracing_ok "$SESSION_NAME" |
| 445 | destroy_lttng_session_ok "$SESSION_NAME" |
| 446 | |
| 447 | # Validate test |
| 448 | validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0 |
| 449 | if validate_trace $EVENT_NAME "$TRACE_PATH/" ; then |
| 450 | # Only delete if successful |
| 451 | rm -rf "${TRACE_PATH:?}/" |
| 452 | fi |
| 453 | } |
| 454 | |
| 455 | function test_ust_local_snapshots () |
| 456 | { |
| 457 | NR_ITER=-1 |
| 458 | NR_USEC_WAIT=100 |
| 459 | |
| 460 | diag "Test $NR_SNAPSHOT local UST snapshots" |
| 461 | create_lttng_session_no_output "$SESSION_NAME" |
| 462 | enable_lttng_mmap_overwrite_ust_channel "$SESSION_NAME" $CHANNEL_NAME |
| 463 | enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME |
| 464 | start_lttng_tracing_ok "$SESSION_NAME" |
| 465 | lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH" |
| 466 | |
| 467 | # Returns once the application has at least fired ONE tracepoint. |
| 468 | start_test_app |
| 469 | |
| 470 | for i in $(seq 1 "$NR_SNAPSHOT"); do |
| 471 | diag "Snapshot $i/$NR_SNAPSHOT" |
| 472 | rm -rf "$TRACE_PATH/snapshot/*" 2>/dev/null |
| 473 | lttng_snapshot_record "$SESSION_NAME" |
| 474 | # Validate test |
| 475 | validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" $((i - 1)) |
| 476 | if validate_trace $EVENT_NAME "$TRACE_PATH/" ; then |
| 477 | # Only delete if successful |
| 478 | rm -rf "${TRACE_PATH:?}/" |
| 479 | fi |
| 480 | done |
| 481 | stop_lttng_tracing_ok "$SESSION_NAME" |
| 482 | destroy_lttng_session_ok "$SESSION_NAME" |
| 483 | |
| 484 | stop_test_apps |
| 485 | } |
| 486 | |
| 487 | plan_tests $NUM_TESTS |
| 488 | |
| 489 | print_test_banner "$TEST_DESC" |
| 490 | |
| 491 | bail_out_if_no_babeltrace |
| 492 | |
| 493 | # shellcheck disable=SC2119 |
| 494 | start_lttng_sessiond |
| 495 | tests=( test_ust_list_output |
| 496 | test_ust_local_snapshot |
| 497 | test_ust_local_snapshot_max_size |
| 498 | test_ust_per_uid_local_snapshot |
| 499 | test_ust_per_uid_local_snapshot_post_mortem |
| 500 | test_ust_local_snapshot_large_metadata |
| 501 | test_ust_local_snapshots |
| 502 | test_ust_local_snapshot_small_discard_buffers |
| 503 | test_ust_local_snapshot_small_overwrite_buffers |
| 504 | ) |
| 505 | |
| 506 | for fct_test in "${tests[@]}"; |
| 507 | do |
| 508 | SESSION_NAME=$(randstring 16 0) |
| 509 | ${fct_test} |
| 510 | done |
| 511 | |
| 512 | # shellcheck disable=SC2119 |
| 513 | stop_lttng_sessiond |