| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) 2015 Julien Desfossez <jdesfossez@efficios.com> |
| 4 | # |
| 5 | # SPDX-License-Identifier: GPL-2.0-only |
| 6 | # |
| 7 | |
| 8 | # WARNING: this test changes the date of the system (and does not set it back). |
| 9 | # This test sets the date of the current machine to $DATE1, creates a trace |
| 10 | # makes sure the trace is really at that date, then restarts the trace, changes |
| 11 | # the date to $DATE2, regenerates the metadata and validates that the trace is |
| 12 | # actually at $DATE2. |
| 13 | |
| 14 | TEST_DESC="Metadata regeneration after date change" |
| 15 | |
| 16 | CURDIR=$(dirname "$0")/ |
| 17 | TESTDIR=$CURDIR/.. |
| 18 | NUM_TESTS=44 |
| 19 | SESSION_NAME="regen" |
| 20 | KERNEL_EVENT_NAME="lttng_test_filter_event" |
| 21 | TRACE_PATH=$(mktemp -d -t tmp.metadata_regen_after_data_change.XXXXXX) |
| 22 | |
| 23 | TESTAPP_PATH="$TESTDIR/utils/testapp" |
| 24 | TESTAPP_NAME="gen-ust-events" |
| 25 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" |
| 26 | NR_ITER=1 |
| 27 | NR_USEC_WAIT=0 |
| 28 | UST_EVENT_NAME="tp:tptest" |
| 29 | |
| 30 | DATE1="1970-02-02" |
| 31 | DATE2="1980-02-02" |
| 32 | HOUR="05:30" |
| 33 | |
| 34 | source "$TESTDIR/utils/utils.sh" |
| 35 | |
| 36 | # MUST set TESTDIR before calling those functions |
| 37 | plan_tests $NUM_TESTS |
| 38 | |
| 39 | print_test_banner "$TEST_DESC" |
| 40 | |
| 41 | bail_out_if_no_babeltrace |
| 42 | |
| 43 | |
| 44 | function validate_trace_date |
| 45 | { |
| 46 | local test_date=$1 |
| 47 | local trace_path=$2 |
| 48 | |
| 49 | res=$($BABELTRACE_BIN --clock-date "$trace_path" 2>/dev/null | head -1 | grep $test_date) |
| 50 | if [ $? -eq 0 ]; then |
| 51 | pass "Validate trace at date $test_date" |
| 52 | ret=0 |
| 53 | else |
| 54 | fail "The trace is not at the expected date" |
| 55 | ret=-1 |
| 56 | fi |
| 57 | |
| 58 | return $ret |
| 59 | } |
| 60 | |
| 61 | function test_kernel_local () |
| 62 | { |
| 63 | diag "Test kernel local with metadata regeneration" |
| 64 | date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null |
| 65 | create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" |
| 66 | lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME |
| 67 | start_lttng_tracing_ok $SESSION_NAME |
| 68 | echo -n "100" > /proc/lttng-test-filter-event |
| 69 | stop_lttng_tracing_ok $SESSION_NAME |
| 70 | validate_trace_date $DATE1 "$TRACE_PATH" |
| 71 | start_lttng_tracing_ok $SESSION_NAME |
| 72 | date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null |
| 73 | regenerate_metadata_ok $SESSION_NAME |
| 74 | stop_lttng_tracing_ok $SESSION_NAME |
| 75 | validate_trace_date $DATE2 "$TRACE_PATH" |
| 76 | if [ $? -eq 0 ]; then |
| 77 | # Only delete if successful |
| 78 | rm -rf $TRACE_PATH |
| 79 | fi |
| 80 | destroy_lttng_session_ok $SESSION_NAME |
| 81 | } |
| 82 | |
| 83 | function test_kernel_streaming () |
| 84 | { |
| 85 | diag "Test kernel streaming with metadata regeneration" |
| 86 | date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null |
| 87 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 88 | lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME |
| 89 | start_lttng_tracing_ok $SESSION_NAME |
| 90 | echo -n "100" > /proc/lttng-test-filter-event |
| 91 | stop_lttng_tracing_ok $SESSION_NAME |
| 92 | validate_trace_date $DATE1 $TRACE_PATH/$HOSTNAME/$SESSION_NAME* |
| 93 | start_lttng_tracing_ok $SESSION_NAME |
| 94 | date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null |
| 95 | regenerate_metadata_ok $SESSION_NAME |
| 96 | stop_lttng_tracing_ok $SESSION_NAME |
| 97 | # Validate test |
| 98 | validate_trace_date $DATE2 $TRACE_PATH/$HOSTNAME/$SESSION_NAME* |
| 99 | if [ $? -eq 0 ]; then |
| 100 | # Only delete if successful |
| 101 | rm -rf $TRACE_PATH |
| 102 | else |
| 103 | return |
| 104 | fi |
| 105 | destroy_lttng_session_ok $SESSION_NAME |
| 106 | } |
| 107 | |
| 108 | function test_ust_local () |
| 109 | { |
| 110 | local file_sync_after_first |
| 111 | local file_sync_before_last |
| 112 | |
| 113 | file_sync_after_first=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX") |
| 114 | file_sync_before_last=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX") |
| 115 | |
| 116 | diag "Test UST local with metadata regeneration" |
| 117 | date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null |
| 118 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 119 | enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME |
| 120 | |
| 121 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \ |
| 122 | --sync-after-first-event "${file_sync_after_first}" \ |
| 123 | --sync-before-last-event "${file_sync_before_last}" > /dev/null 2>&1 & |
| 124 | |
| 125 | start_lttng_tracing_ok $SESSION_NAME |
| 126 | |
| 127 | touch "${file_sync_before_last}" |
| 128 | # Wait for the applications started in background |
| 129 | wait |
| 130 | |
| 131 | stop_lttng_tracing_ok $SESSION_NAME |
| 132 | validate_trace_date $DATE1 "$TRACE_PATH" |
| 133 | |
| 134 | start_lttng_tracing_ok $SESSION_NAME |
| 135 | date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null |
| 136 | regenerate_metadata_ok $SESSION_NAME |
| 137 | |
| 138 | stop_lttng_tracing_ok $SESSION_NAME |
| 139 | destroy_lttng_session_ok $SESSION_NAME |
| 140 | validate_trace_date $DATE2 "$TRACE_PATH" |
| 141 | if [ $? -eq 0 ]; then |
| 142 | # Only delete if successful |
| 143 | rm -rf "$TRACE_PATH" |
| 144 | fi |
| 145 | rm -f "${file_sync_after_first}" |
| 146 | rm -f "${file_sync_before_last}" |
| 147 | } |
| 148 | |
| 149 | function test_ust_streaming () |
| 150 | { |
| 151 | local file_sync_after_first |
| 152 | local file_sync_before_last |
| 153 | |
| 154 | file_sync_after_first=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX") |
| 155 | file_sync_before_last=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX") |
| 156 | |
| 157 | diag "Test UST streaming with metadata regeneration" |
| 158 | date "+%Y-%m-%d %H:%M" -s "$DATE1 $HOUR" >/dev/null |
| 159 | create_lttng_session_uri $SESSION_NAME net://localhost |
| 160 | enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME |
| 161 | |
| 162 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \ |
| 163 | --sync-after-first-event "${file_sync_after_first}" \ |
| 164 | --sync-before-last-event "${file_sync_before_last}" > /dev/null 2>&1 & |
| 165 | |
| 166 | start_lttng_tracing_ok $SESSION_NAME |
| 167 | |
| 168 | touch "${file_sync_before_last}" |
| 169 | |
| 170 | # Wait for the applications started in background |
| 171 | wait |
| 172 | stop_lttng_tracing_ok $SESSION_NAME |
| 173 | validate_trace_date $DATE1 $TRACE_PATH/$HOSTNAME/$SESSION_NAME* |
| 174 | |
| 175 | start_lttng_tracing_ok $SESSION_NAME |
| 176 | date "+%Y-%m-%d %H:%M" -s "$DATE2 $HOUR" >/dev/null |
| 177 | |
| 178 | regenerate_metadata_ok $SESSION_NAME |
| 179 | |
| 180 | stop_lttng_tracing_ok $SESSION_NAME |
| 181 | destroy_lttng_session_ok $SESSION_NAME |
| 182 | # Validate test |
| 183 | validate_trace_date $DATE2 $TRACE_PATH/$HOSTNAME/$SESSION_NAME* |
| 184 | if [ $? -eq 0 ]; then |
| 185 | # Only delete if successful |
| 186 | rm -rf "$TRACE_PATH" |
| 187 | fi |
| 188 | rm -f "${file_sync_after_first}" |
| 189 | rm -f "${file_sync_before_last}" |
| 190 | } |
| 191 | |
| 192 | if ! destructive_tests_enabled ; then |
| 193 | echo 'Please make sure that ntp is not running while executing this test' |
| 194 | skip 0 "You need to set the LTTNG_ENABLE_DESTRUCTIVE_TESTS environment variable to \"will-break-my-system\" to run this test" $NUM_TESTS |
| 195 | |
| 196 | exit 0 |
| 197 | fi |
| 198 | |
| 199 | check_skip_kernel_test $NUM_TESTS "Skipping all tests." || |
| 200 | { |
| 201 | original_date=$(date) |
| 202 | start_lttng_relayd "-o $TRACE_PATH" |
| 203 | start_lttng_sessiond |
| 204 | |
| 205 | modprobe lttng-test |
| 206 | test_kernel_local |
| 207 | test_kernel_streaming |
| 208 | modprobe --remove lttng-test |
| 209 | |
| 210 | test_ust_local |
| 211 | test_ust_streaming |
| 212 | |
| 213 | stop_lttng_sessiond |
| 214 | stop_lttng_relayd |
| 215 | |
| 216 | # This set of test sets the date in the past which causes |
| 217 | # `make` to panic when it sees files created in the "future" |
| 218 | # while running the "check" target. Obviously this doesn't set |
| 219 | # the correct date, but at least its close enough to allow the |
| 220 | # test suite to continue. |
| 221 | date --set "$original_date" |
| 222 | } |