| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) 2015 Julien Desfossez <jdesfossez@efficios.com> |
| 4 | # |
| 5 | # SPDX-License-Identifier: LGPL-2.1-only |
| 6 | |
| 7 | TEST_DESC="Streaming - User space tracing" |
| 8 | |
| 9 | CURDIR=$(dirname $0)/ |
| 10 | TESTDIR=$CURDIR/../../.. |
| 11 | NR_ITER=1 |
| 12 | NR_USEC_WAIT=0 |
| 13 | TESTAPP_PATH="$TESTDIR/utils/testapp" |
| 14 | TESTAPP_NAME="gen-ust-events" |
| 15 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" |
| 16 | SESSION_NAME="stream" |
| 17 | EVENT_NAME="tp:tptest" |
| 18 | |
| 19 | TRACE_PATH=$(mktemp --tmpdir -d tmp.test_regen_metadata_ust_trace_path.XXXXXX) |
| 20 | |
| 21 | NUM_TESTS=39 |
| 22 | |
| 23 | source $TESTDIR/utils/utils.sh |
| 24 | |
| 25 | if [ ! -x "$TESTAPP_BIN" ]; then |
| 26 | BAIL_OUT "No UST events binary detected." |
| 27 | fi |
| 28 | |
| 29 | function enable_channel_per_pid() |
| 30 | { |
| 31 | sess_name=$1 |
| 32 | channel_name=$2 |
| 33 | |
| 34 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name >/dev/null 2>&1 |
| 35 | ok $? "Enable channel $channel_name per PID for session $sess_name" |
| 36 | } |
| 37 | |
| 38 | # MUST set TESTDIR before calling those functions |
| 39 | |
| 40 | function test_ust_streaming () |
| 41 | { |
| 42 | local file_sync_after_first=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX") |
| 43 | local file_sync_before_last=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX") |
| 44 | local metadata_path |
| 45 | |
| 46 | diag "Test UST streaming with metadata regeneration" |
| 47 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 48 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME |
| 49 | |
| 50 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \ |
| 51 | --sync-after-first-event ${file_sync_after_first} \ |
| 52 | --sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 & |
| 53 | |
| 54 | start_lttng_tracing_ok $SESSION_NAME |
| 55 | |
| 56 | touch ${file_sync_before_last} |
| 57 | |
| 58 | # Wait for the applications started in background |
| 59 | wait |
| 60 | |
| 61 | # Expect a valid trace |
| 62 | stop_lttng_tracing_ok $SESSION_NAME |
| 63 | validate_trace $EVENT_NAME "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"* |
| 64 | |
| 65 | # Find the metadata file |
| 66 | metadata_path=$(find "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"* -name "metadata") |
| 67 | |
| 68 | # Empty the metadata file |
| 69 | echo -n > "$metadata_path" |
| 70 | |
| 71 | start_lttng_tracing_ok $SESSION_NAME |
| 72 | regenerate_metadata_ok $SESSION_NAME |
| 73 | stop_lttng_tracing_ok $SESSION_NAME |
| 74 | |
| 75 | # Metadata file must have been regenerated |
| 76 | validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME* |
| 77 | destroy_lttng_session_ok $SESSION_NAME |
| 78 | |
| 79 | rm -rf "$TRACE_PATH" |
| 80 | rm -f ${file_sync_after_first} |
| 81 | rm -f ${file_sync_before_last} |
| 82 | } |
| 83 | |
| 84 | function test_ust_local () |
| 85 | { |
| 86 | local file_sync_after_first=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX") |
| 87 | local file_sync_before_last=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX") |
| 88 | local metadata_path |
| 89 | |
| 90 | diag "Test UST local with metadata regeneration" |
| 91 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 92 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME |
| 93 | |
| 94 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \ |
| 95 | --sync-after-first-event ${file_sync_after_first} \ |
| 96 | --sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 & |
| 97 | |
| 98 | start_lttng_tracing_ok $SESSION_NAME |
| 99 | |
| 100 | touch ${file_sync_before_last} |
| 101 | |
| 102 | # Wait for the applications started in background |
| 103 | wait |
| 104 | |
| 105 | # Expect a valid trace |
| 106 | stop_lttng_tracing_ok $SESSION_NAME |
| 107 | validate_trace $EVENT_NAME "$TRACE_PATH" |
| 108 | |
| 109 | # Find the metadata file |
| 110 | metadata_path=$(find "$TRACE_PATH"* -name "metadata") |
| 111 | |
| 112 | # Empty the metadata file |
| 113 | echo -n > "$metadata_path" |
| 114 | |
| 115 | start_lttng_tracing_ok $SESSION_NAME |
| 116 | regenerate_metadata_ok $SESSION_NAME |
| 117 | stop_lttng_tracing_ok $SESSION_NAME |
| 118 | |
| 119 | # Metadata file must have been regenerated |
| 120 | validate_trace $EVENT_NAME $TRACE_PATH |
| 121 | destroy_lttng_session_ok $SESSION_NAME |
| 122 | |
| 123 | rm -rf "$TRACE_PATH" |
| 124 | rm -f ${file_sync_after_first} |
| 125 | rm -f ${file_sync_before_last} |
| 126 | } |
| 127 | |
| 128 | function test_ust_pid () |
| 129 | { |
| 130 | local file_sync_after_first=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX") |
| 131 | local file_sync_before_last=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX") |
| 132 | |
| 133 | diag "Test UST per-pid with metadata regeneration (expect failure)" |
| 134 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 135 | enable_channel_per_pid $SESSION_NAME "channel0" |
| 136 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
| 137 | |
| 138 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \ |
| 139 | --sync-after-first-event ${file_sync_after_first} \ |
| 140 | --sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 & |
| 141 | |
| 142 | start_lttng_tracing_ok $SESSION_NAME |
| 143 | |
| 144 | touch ${file_sync_before_last} |
| 145 | |
| 146 | # Wait for the applications started in background |
| 147 | wait |
| 148 | regenerate_metadata_fail $SESSION_NAME |
| 149 | |
| 150 | stop_lttng_tracing_ok $SESSION_NAME |
| 151 | destroy_lttng_session_ok $SESSION_NAME |
| 152 | # Validate test |
| 153 | validate_trace $EVENT_NAME $TRACE_PATH |
| 154 | if [ $? -eq 0 ]; then |
| 155 | # Only delete if successful |
| 156 | rm -rf $TRACE_PATH |
| 157 | fi |
| 158 | rm -f ${file_sync_after_first} |
| 159 | rm -f ${file_sync_before_last} |
| 160 | } |
| 161 | |
| 162 | function test_ust_live () |
| 163 | { |
| 164 | local file_sync_after_first=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX") |
| 165 | local file_sync_before_last=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX") |
| 166 | |
| 167 | diag "Test UST live with metadata regeneration (expect failure)" |
| 168 | create_lttng_session_uri $SESSION_NAME net://localhost --live |
| 169 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME |
| 170 | |
| 171 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \ |
| 172 | --sync-after-first-event ${file_sync_after_first} \ |
| 173 | --sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 & |
| 174 | |
| 175 | start_lttng_tracing_ok $SESSION_NAME |
| 176 | |
| 177 | touch ${file_sync_before_last} |
| 178 | |
| 179 | # Wait for the applications started in background |
| 180 | wait |
| 181 | regenerate_metadata_fail $SESSION_NAME |
| 182 | |
| 183 | stop_lttng_tracing_ok $SESSION_NAME |
| 184 | destroy_lttng_session_ok $SESSION_NAME |
| 185 | # Validate test |
| 186 | validate_trace $EVENT_NAME $TRACE_PATH |
| 187 | if [ $? -eq 0 ]; then |
| 188 | # Only delete if successful |
| 189 | rm -rf $TRACE_PATH |
| 190 | fi |
| 191 | rm -f ${file_sync_after_first} |
| 192 | rm -f ${file_sync_before_last} |
| 193 | } |
| 194 | |
| 195 | plan_tests $NUM_TESTS |
| 196 | |
| 197 | print_test_banner "$TEST_DESC" |
| 198 | |
| 199 | start_lttng_relayd "-o $TRACE_PATH" |
| 200 | start_lttng_sessiond |
| 201 | |
| 202 | tests=( test_ust_streaming test_ust_local test_ust_pid test_ust_live ) |
| 203 | |
| 204 | for fct_test in ${tests[@]}; |
| 205 | do |
| 206 | SESSION_NAME=$(randstring 16 0) |
| 207 | ${fct_test} |
| 208 | done |
| 209 | |
| 210 | stop_lttng_sessiond |
| 211 | stop_lttng_relayd |
| 212 | |
| 213 | exit $out |