| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) - 2013 David Goulet <dgoulet@efficios.com> |
| 4 | # |
| 5 | # SPDX-License-Identifier: LGPL-2.1-only |
| 6 | |
| 7 | TEST_DESC="Streaming - Snapshot UST tracing" |
| 8 | |
| 9 | CURDIR=$(dirname $0)/ |
| 10 | TESTDIR=$CURDIR/../../.. |
| 11 | EVENT_NAME="tp:tptest" |
| 12 | SESSION_NAME="" |
| 13 | CHANNEL_NAME="chan1" |
| 14 | BIN_NAME="gen-nevents" |
| 15 | TESTAPP_PATH="$TESTDIR/utils/testapp" |
| 16 | TESTAPP_NAME="gen-ust-events" |
| 17 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" |
| 18 | NR_ITER=-1 |
| 19 | NR_USEC_WAIT=100 |
| 20 | APPS_PID= |
| 21 | |
| 22 | TRACE_PATH=$(mktemp --tmpdir -d tmp.test_snapshots_ust_streaming_trace_path.XXXXXX) |
| 23 | |
| 24 | NUM_TESTS=85 |
| 25 | |
| 26 | source $TESTDIR/utils/utils.sh |
| 27 | |
| 28 | if [ ! -x "$TESTAPP_BIN" ]; then |
| 29 | BAIL_OUT "No UST events binary detected." |
| 30 | fi |
| 31 | |
| 32 | function snapshot_add_output () |
| 33 | { |
| 34 | local sess_name=$1 |
| 35 | local trace_path=$2 |
| 36 | local name=$3 |
| 37 | local extra_opt="" |
| 38 | |
| 39 | if [ ! -z $name ]; then |
| 40 | extra_opt="-n $name" |
| 41 | fi |
| 42 | |
| 43 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output -s $sess_name $extra_opt $trace_path >/dev/null 2>&1 |
| 44 | ok $? "Added snapshot output $trace_path" |
| 45 | } |
| 46 | |
| 47 | # Start trace application and return once one event has been hit. |
| 48 | function start_test_app() |
| 49 | { |
| 50 | local tmp_file=$(mktemp --tmpdir -u tmp.test_${FUNCNAME[0]}_tmp_file.XXXXXX) |
| 51 | |
| 52 | # Start application with a temporary file. |
| 53 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT --sync-after-first-event $tmp_file & |
| 54 | ret=$? |
| 55 | APPS_PID="${APPS_PID} ${!}" |
| 56 | ok $ret "Start application to trace" |
| 57 | |
| 58 | # Wait for the application file to appear indicating that at least one |
| 59 | # tracepoint has been fired. |
| 60 | while [ ! -f "$tmp_file" ]; do |
| 61 | sleep 0.5 |
| 62 | done |
| 63 | diag "Removing test app temporary file $tmp_file" |
| 64 | rm -f $tmp_file |
| 65 | } |
| 66 | |
| 67 | function stop_test_apps() |
| 68 | { |
| 69 | diag "Stopping $TESTAPP_NAME" |
| 70 | for p in ${APPS_PID}; do |
| 71 | kill ${p} |
| 72 | wait ${p} 2>/dev/null |
| 73 | done |
| 74 | APPS_PID= |
| 75 | } |
| 76 | |
| 77 | # Test a snapshot using a default name for the output destination. |
| 78 | function test_ust_default_name_with_del() |
| 79 | { |
| 80 | diag "Test UST snapshot streaming with default name with delete output" |
| 81 | create_lttng_session_no_output $SESSION_NAME |
| 82 | enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME |
| 83 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 84 | start_lttng_tracing_ok $SESSION_NAME |
| 85 | |
| 86 | start_test_app |
| 87 | |
| 88 | snapshot_add_output $SESSION_NAME "net://localhost" |
| 89 | lttng_snapshot_record $SESSION_NAME |
| 90 | |
| 91 | # Validate test |
| 92 | validate_trace_path_ust_uid_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "snapshot-1" 0 |
| 93 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-1* |
| 94 | if [ $? -ne 0 ]; then |
| 95 | stop_test_apps |
| 96 | return $? |
| 97 | fi |
| 98 | |
| 99 | lttng_snapshot_del_output_ok $SESSION_NAME 1 |
| 100 | snapshot_add_output $SESSION_NAME "net://localhost" |
| 101 | lttng_snapshot_record $SESSION_NAME |
| 102 | |
| 103 | # Validate test with the next ID since a del output was done prior. |
| 104 | validate_trace_path_ust_uid_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "snapshot-2" 1 |
| 105 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-2* |
| 106 | if [ $? -ne 0 ]; then |
| 107 | stop_test_apps |
| 108 | return $? |
| 109 | fi |
| 110 | |
| 111 | stop_lttng_tracing_ok $SESSION_NAME |
| 112 | destroy_lttng_session_ok $SESSION_NAME |
| 113 | |
| 114 | stop_test_apps |
| 115 | |
| 116 | return 0 |
| 117 | } |
| 118 | |
| 119 | # Test a snapshot using a default name for the output destination. |
| 120 | function test_ust_default_name() |
| 121 | { |
| 122 | diag "Test UST snapshot streaming with default name" |
| 123 | create_lttng_session_no_output $SESSION_NAME |
| 124 | enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME |
| 125 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 126 | start_lttng_tracing_ok $SESSION_NAME |
| 127 | |
| 128 | start_test_app |
| 129 | |
| 130 | snapshot_add_output $SESSION_NAME "net://localhost" |
| 131 | lttng_snapshot_record $SESSION_NAME |
| 132 | stop_lttng_tracing_ok $SESSION_NAME |
| 133 | destroy_lttng_session_ok $SESSION_NAME |
| 134 | # Validate test |
| 135 | validate_trace_path_ust_uid_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "snapshot-1" 0 |
| 136 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-1* |
| 137 | out=$? |
| 138 | |
| 139 | stop_test_apps |
| 140 | |
| 141 | return $out |
| 142 | } |
| 143 | |
| 144 | function test_ust_default_name_custom_uri() |
| 145 | { |
| 146 | diag "Test UST snapshot streaming with default name with custom URL" |
| 147 | create_lttng_session_no_output $SESSION_NAME |
| 148 | enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME |
| 149 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 150 | start_lttng_tracing_ok $SESSION_NAME |
| 151 | |
| 152 | start_test_app |
| 153 | |
| 154 | snapshot_add_output $SESSION_NAME "-C tcp://localhost:5342 -D tcp://localhost:5343" |
| 155 | lttng_snapshot_record $SESSION_NAME |
| 156 | stop_lttng_tracing_ok $SESSION_NAME |
| 157 | destroy_lttng_session_ok $SESSION_NAME |
| 158 | # Validate test |
| 159 | validate_trace_path_ust_uid_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "snapshot-1" 0 |
| 160 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-1* |
| 161 | out=$? |
| 162 | |
| 163 | stop_test_apps |
| 164 | |
| 165 | return $out |
| 166 | } |
| 167 | |
| 168 | # Test a snapshot using a custom name for the output destination. |
| 169 | function test_ust_custom_name() |
| 170 | { |
| 171 | local out |
| 172 | local name="asnapshotname" |
| 173 | |
| 174 | diag "Test UST snapshot streaming with custom name" |
| 175 | create_lttng_session_no_output $SESSION_NAME |
| 176 | enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME |
| 177 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 178 | start_lttng_tracing_ok $SESSION_NAME |
| 179 | |
| 180 | start_test_app |
| 181 | |
| 182 | snapshot_add_output $SESSION_NAME "net://localhost" $name |
| 183 | lttng_snapshot_record $SESSION_NAME |
| 184 | stop_lttng_tracing_ok $SESSION_NAME |
| 185 | destroy_lttng_session_ok $SESSION_NAME |
| 186 | |
| 187 | if ls $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/$name* &> /dev/null; then |
| 188 | ok 0 "Custom name snapshot exists" |
| 189 | # Validate test |
| 190 | validate_trace_path_ust_uid_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "$name" 0 |
| 191 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/$name-* |
| 192 | out=$? |
| 193 | else |
| 194 | fail "No custom name snapshot found" |
| 195 | out=1 |
| 196 | fi |
| 197 | |
| 198 | stop_test_apps |
| 199 | |
| 200 | return $out |
| 201 | } |
| 202 | |
| 203 | function test_ust_n_snapshot() |
| 204 | { |
| 205 | diag "Test ust snapshot streaming multiple consecutive snapshot" |
| 206 | create_lttng_session_no_output $SESSION_NAME |
| 207 | enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME |
| 208 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 209 | snapshot_add_output $SESSION_NAME "net://localhost" |
| 210 | start_test_app |
| 211 | for i in {0..4}; |
| 212 | do |
| 213 | start_lttng_tracing_ok $SESSION_NAME |
| 214 | lttng_snapshot_record $SESSION_NAME |
| 215 | stop_lttng_tracing_ok $SESSION_NAME |
| 216 | validate_trace_path_ust_uid_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "snapshot-1" $i |
| 217 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-1* |
| 218 | if [ $? -ne 0 ]; then |
| 219 | return 1 |
| 220 | fi |
| 221 | set -u |
| 222 | rm -rf $TRACE_PATH/$HOSTNAME |
| 223 | set +u |
| 224 | done |
| 225 | |
| 226 | destroy_lttng_session_ok $SESSION_NAME |
| 227 | stop_test_apps |
| 228 | return 0 |
| 229 | } |
| 230 | |
| 231 | plan_tests $NUM_TESTS |
| 232 | |
| 233 | print_test_banner "$TEST_DESC" |
| 234 | |
| 235 | bail_out_if_no_babeltrace |
| 236 | |
| 237 | if [ "$(id -u)" == "0" ]; then |
| 238 | isroot=1 |
| 239 | else |
| 240 | isroot=0 |
| 241 | fi |
| 242 | |
| 243 | start_lttng_relayd "-o $TRACE_PATH" |
| 244 | start_lttng_sessiond |
| 245 | |
| 246 | tests=( test_ust_default_name_with_del |
| 247 | test_ust_default_name |
| 248 | test_ust_custom_name |
| 249 | test_ust_default_name_custom_uri |
| 250 | test_ust_n_snapshot |
| 251 | ) |
| 252 | |
| 253 | for fct_test in ${tests[@]}; |
| 254 | do |
| 255 | SESSION_NAME=$(randstring 16 0) |
| 256 | ${fct_test} |
| 257 | if [ $? -eq 0 ]; then |
| 258 | # Only delete if successful |
| 259 | rm -rf $TRACE_PATH |
| 260 | else |
| 261 | break |
| 262 | fi |
| 263 | done |
| 264 | |
| 265 | stop_lttng_sessiond |
| 266 | stop_lttng_relayd |