| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) 2012 David Goulet <dgoulet@efficios.com> |
| 4 | # |
| 5 | # SPDX-License-Identifier: LGPL-2.1-only |
| 6 | |
| 7 | TEST_DESC="UST tracer - Tracing with per PID buffers" |
| 8 | |
| 9 | CURDIR=$(dirname $0)/ |
| 10 | TESTDIR=$CURDIR/../../.. |
| 11 | NR_ITER=100 |
| 12 | NR_USEC_WAIT=100000 |
| 13 | SESSION_NAME="buffers-pid" |
| 14 | |
| 15 | TESTAPP_PATH="$TESTDIR/utils/testapp" |
| 16 | TESTAPP_NAME="gen-ust-events" |
| 17 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" |
| 18 | EVENT_NAME="tp:tptest" |
| 19 | NUM_TESTS=59 |
| 20 | |
| 21 | source $TESTDIR/utils/utils.sh |
| 22 | |
| 23 | if [ ! -x "$TESTAPP_BIN" ]; then |
| 24 | BAIL_OUT "No UST events binary detected." |
| 25 | fi |
| 26 | |
| 27 | # MUST set TESTDIR before calling those functions |
| 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 | test_after_multiple_apps() { |
| 39 | local out |
| 40 | local i |
| 41 | |
| 42 | diag "Start multiple applications AFTER tracing is started" |
| 43 | |
| 44 | # BEFORE application is spawned |
| 45 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 46 | enable_channel_per_pid $SESSION_NAME "channel0" |
| 47 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
| 48 | start_lttng_tracing_ok $SESSION_NAME |
| 49 | |
| 50 | for i in `seq 1 5`; do |
| 51 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT >/dev/null 2>&1 & |
| 52 | ok $? "Start application $i for tracing" |
| 53 | done |
| 54 | wait |
| 55 | |
| 56 | stop_lttng_tracing_ok $SESSION_NAME |
| 57 | destroy_lttng_session_ok $SESSION_NAME |
| 58 | |
| 59 | trace_match_only $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH |
| 60 | |
| 61 | return $? |
| 62 | } |
| 63 | |
| 64 | test_before_multiple_apps() { |
| 65 | local out |
| 66 | local i |
| 67 | local file_sync_after_first=$(mktemp -u) |
| 68 | local file_sync_before_last=$(mktemp -u) |
| 69 | |
| 70 | diag "Start multiple applications BEFORE tracing is started" |
| 71 | |
| 72 | for i in `seq 1 5`; do |
| 73 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \ |
| 74 | --sync-after-first-event ${file_sync_after_first}_${i} \ |
| 75 | --sync-before-last-event ${file_sync_before_last}_${i} >/dev/null 2>&1 & |
| 76 | ok $? "Start application $i for tracing" |
| 77 | done |
| 78 | |
| 79 | # BEFORE application is spawned |
| 80 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 81 | enable_channel_per_pid $SESSION_NAME "channel0" |
| 82 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
| 83 | start_lttng_tracing_ok $SESSION_NAME |
| 84 | |
| 85 | for i in `seq 1 5`; do |
| 86 | touch ${file_sync_before_last}_${i} |
| 87 | done |
| 88 | |
| 89 | diag "Waiting for applications to end" |
| 90 | wait |
| 91 | pass "Waiting done" |
| 92 | |
| 93 | stop_lttng_tracing_ok $SESSION_NAME |
| 94 | destroy_lttng_session_ok $SESSION_NAME |
| 95 | |
| 96 | for i in `seq 1 5`; do |
| 97 | rm -f ${file_sync_after_first}_${i} |
| 98 | rm -f ${file_sync_before_last}_${i} |
| 99 | done |
| 100 | |
| 101 | out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l) |
| 102 | if [ $out -eq 0 ]; then |
| 103 | fail "Trace validation" |
| 104 | diag "No event(s) found. We are supposed to have at least one." |
| 105 | out=1 |
| 106 | else |
| 107 | pass "Trace validation" |
| 108 | diag "Found $out event(s). Coherent." |
| 109 | out=0 |
| 110 | fi |
| 111 | |
| 112 | return $out |
| 113 | } |
| 114 | |
| 115 | test_after_app() { |
| 116 | local out |
| 117 | |
| 118 | diag "Start application AFTER tracing is started" |
| 119 | |
| 120 | # BEFORE application is spawned |
| 121 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 122 | enable_channel_per_pid $SESSION_NAME "channel0" |
| 123 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
| 124 | start_lttng_tracing_ok $SESSION_NAME |
| 125 | |
| 126 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT & |
| 127 | ok $? "Start application to trace" |
| 128 | wait |
| 129 | |
| 130 | stop_lttng_tracing_ok $SESSION_NAME |
| 131 | destroy_lttng_session_ok $SESSION_NAME |
| 132 | |
| 133 | trace_match_only $EVENT_NAME $NR_ITER $TRACE_PATH |
| 134 | |
| 135 | return $? |
| 136 | } |
| 137 | |
| 138 | test_before_app() { |
| 139 | local out |
| 140 | local file_sync_after_first=$(mktemp -u) |
| 141 | local file_sync_before_last=$(mktemp -u) |
| 142 | |
| 143 | diag "Start application BEFORE tracing is started" |
| 144 | |
| 145 | |
| 146 | # BEFORE application is spawned |
| 147 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 148 | enable_channel_per_pid $SESSION_NAME "channel0" |
| 149 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0" |
| 150 | |
| 151 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \ |
| 152 | --sync-after-first-event ${file_sync_after_first} \ |
| 153 | --sync-before-last-event ${file_sync_before_last} & |
| 154 | ok $? "Start application to trace" |
| 155 | |
| 156 | start_lttng_tracing_ok $SESSION_NAME |
| 157 | |
| 158 | touch ${file_sync_before_last} |
| 159 | |
| 160 | wait |
| 161 | |
| 162 | stop_lttng_tracing_ok $SESSION_NAME |
| 163 | destroy_lttng_session_ok $SESSION_NAME |
| 164 | |
| 165 | rm -f ${file_sync_after_first} |
| 166 | rm -f ${file_sync_before_last} |
| 167 | |
| 168 | out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l) |
| 169 | if [ $out -eq 0 ]; then |
| 170 | fail "Trace validation" |
| 171 | diag "No event(s) found. We are supposed to have at least one." |
| 172 | out=1 |
| 173 | else |
| 174 | pass "Trace validation" |
| 175 | diag "Found $out event(s). Coherent." |
| 176 | out=0 |
| 177 | fi |
| 178 | |
| 179 | return $out |
| 180 | } |
| 181 | |
| 182 | test_multiple_channels() { |
| 183 | local out |
| 184 | |
| 185 | diag "Start with multiple channels" |
| 186 | |
| 187 | # BEFORE application is spawned |
| 188 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 189 | enable_channel_per_pid $SESSION_NAME "channel0" |
| 190 | enable_channel_per_pid $SESSION_NAME "channel1" |
| 191 | enable_channel_per_pid $SESSION_NAME "channel2" |
| 192 | enable_channel_per_pid $SESSION_NAME "channel3" |
| 193 | enable_channel_per_pid $SESSION_NAME "channel4" |
| 194 | # Enable event in all channels. |
| 195 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel0 -s $SESSION_NAME -u >/dev/null 2>&1 |
| 196 | ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel0" |
| 197 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel1 -s $SESSION_NAME -u >/dev/null 2>&1 |
| 198 | ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel1" |
| 199 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel2 -s $SESSION_NAME -u >/dev/null 2>&1 |
| 200 | ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel2" |
| 201 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel3 -s $SESSION_NAME -u >/dev/null 2>&1 |
| 202 | ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel3" |
| 203 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel4 -s $SESSION_NAME -u >/dev/null 2>&1 |
| 204 | ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel4" |
| 205 | start_lttng_tracing_ok $SESSION_NAME |
| 206 | |
| 207 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT & |
| 208 | ok $? "Start application to trace" |
| 209 | wait |
| 210 | |
| 211 | stop_lttng_tracing_ok $SESSION_NAME |
| 212 | trace_match_only $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH |
| 213 | out=$? |
| 214 | |
| 215 | destroy_lttng_session_ok $SESSION_NAME |
| 216 | |
| 217 | return $out |
| 218 | } |
| 219 | |
| 220 | # MUST set TESTDIR before calling those functions |
| 221 | plan_tests $NUM_TESTS |
| 222 | |
| 223 | print_test_banner "$TEST_DESC" |
| 224 | |
| 225 | TESTS=( |
| 226 | "test_before_app" |
| 227 | "test_after_app" |
| 228 | "test_after_multiple_apps" |
| 229 | "test_before_multiple_apps" |
| 230 | "test_multiple_channels" |
| 231 | ) |
| 232 | |
| 233 | TEST_COUNT=${#TESTS[@]} |
| 234 | i=0 |
| 235 | |
| 236 | start_lttng_sessiond |
| 237 | |
| 238 | while [ $i -lt $TEST_COUNT ]; do |
| 239 | TRACE_PATH=$(mktemp -d) |
| 240 | ${TESTS[$i]} |
| 241 | rm -rf $TRACE_PATH |
| 242 | let "i++" |
| 243 | done |
| 244 | |
| 245 | stop_lttng_sessiond |