| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) - 2012 David Goulet <dgoulet@efficios.com> |
| 4 | # |
| 5 | # This library is free software; you can redistribute it and/or modify it under |
| 6 | # the terms of the GNU Lesser General Public License as published by the Free |
| 7 | # Software Foundation; version 2.1 of the License. |
| 8 | # |
| 9 | # This library is distributed in the hope that it will be useful, but WITHOUT |
| 10 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| 11 | # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
| 12 | # details. |
| 13 | # |
| 14 | # You should have received a copy of the GNU Lesser General Public License |
| 15 | # along with this library; if not, write to the Free Software Foundation, Inc., |
| 16 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | TEST_DESC="UST tracer - Tracing with per PID buffers" |
| 18 | |
| 19 | CURDIR=$(dirname $0)/ |
| 20 | TESTDIR=$CURDIR/../../.. |
| 21 | NR_ITER=100 |
| 22 | NR_USEC_WAIT=100000 |
| 23 | SESSION_NAME="buffers-pid" |
| 24 | |
| 25 | TESTAPP_PATH="$TESTDIR/utils/testapp" |
| 26 | TESTAPP_NAME="gen-ust-events" |
| 27 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" |
| 28 | EVENT_NAME="tp:tptest" |
| 29 | NUM_TESTS=58 |
| 30 | |
| 31 | source $TESTDIR/utils/utils.sh |
| 32 | |
| 33 | if [ ! -x "$TESTAPP_BIN" ]; then |
| 34 | BAIL_OUT "No UST events binary detected." |
| 35 | fi |
| 36 | |
| 37 | # MUST set TESTDIR before calling those functions |
| 38 | |
| 39 | function enable_channel_per_pid() |
| 40 | { |
| 41 | sess_name=$1 |
| 42 | channel_name=$2 |
| 43 | |
| 44 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name >/dev/null 2>&1 |
| 45 | ok $? "Enable channel $channel_name per PID for session $sess_name" |
| 46 | } |
| 47 | |
| 48 | function wait_apps |
| 49 | { |
| 50 | diag "Waiting for applications to end..." |
| 51 | while [ -n "$(pidof $TESTAPP_NAME)" ]; do |
| 52 | sleep 1 |
| 53 | done |
| 54 | } |
| 55 | |
| 56 | test_after_multiple_apps() { |
| 57 | local out |
| 58 | local i |
| 59 | |
| 60 | diag "Start multiple applications AFTER tracing is started" |
| 61 | |
| 62 | # BEFORE application is spawned |
| 63 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 64 | enable_channel_per_pid $SESSION_NAME "channel0" |
| 65 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0" |
| 66 | start_lttng_tracing $SESSION_NAME |
| 67 | |
| 68 | for i in `seq 1 5`; do |
| 69 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 |
| 70 | ok $? "Start application $i for tracing" |
| 71 | done |
| 72 | |
| 73 | stop_lttng_tracing $SESSION_NAME |
| 74 | destroy_lttng_session $SESSION_NAME |
| 75 | |
| 76 | trace_matches $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH |
| 77 | |
| 78 | return $? |
| 79 | } |
| 80 | |
| 81 | test_before_multiple_apps() { |
| 82 | local out |
| 83 | local i |
| 84 | |
| 85 | diag "Start multiple applications BEFORE tracing is started" |
| 86 | |
| 87 | for i in `seq 1 5`; do |
| 88 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & >/dev/null 2>&1 |
| 89 | ok $? "Start application $i for tracing" |
| 90 | done |
| 91 | |
| 92 | # BEFORE application is spawned |
| 93 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 94 | enable_channel_per_pid $SESSION_NAME "channel0" |
| 95 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0" |
| 96 | start_lttng_tracing $SESSION_NAME |
| 97 | |
| 98 | # At least hit one event |
| 99 | sleep 2 |
| 100 | |
| 101 | stop_lttng_tracing $SESSION_NAME |
| 102 | destroy_lttng_session $SESSION_NAME |
| 103 | |
| 104 | out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l) |
| 105 | if [ $out -eq 0 ]; then |
| 106 | fail "Trace validation" |
| 107 | diag "No event(s) found. We are supposed to have at least one." |
| 108 | out=1 |
| 109 | else |
| 110 | pass "Trace validation" |
| 111 | diag "Found $out event(s). Coherent." |
| 112 | out=0 |
| 113 | fi |
| 114 | |
| 115 | wait_apps |
| 116 | |
| 117 | return $out |
| 118 | } |
| 119 | |
| 120 | test_after_app() { |
| 121 | local out |
| 122 | |
| 123 | diag "Start application AFTER tracing is started" |
| 124 | |
| 125 | # BEFORE application is spawned |
| 126 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 127 | enable_channel_per_pid $SESSION_NAME "channel0" |
| 128 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0" |
| 129 | start_lttng_tracing $SESSION_NAME |
| 130 | |
| 131 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT |
| 132 | ok $? "Start application to trace" |
| 133 | |
| 134 | stop_lttng_tracing $SESSION_NAME |
| 135 | destroy_lttng_session $SESSION_NAME |
| 136 | |
| 137 | trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH |
| 138 | |
| 139 | return $? |
| 140 | } |
| 141 | |
| 142 | test_before_app() { |
| 143 | local out |
| 144 | |
| 145 | diag "Start application BEFORE tracing is started" |
| 146 | |
| 147 | |
| 148 | # BEFORE application is spawned |
| 149 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 150 | enable_channel_per_pid $SESSION_NAME "channel0" |
| 151 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0" |
| 152 | |
| 153 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
| 154 | ok $? "Start application to trace" |
| 155 | |
| 156 | start_lttng_tracing $SESSION_NAME |
| 157 | |
| 158 | wait ${!} |
| 159 | |
| 160 | stop_lttng_tracing $SESSION_NAME |
| 161 | destroy_lttng_session $SESSION_NAME |
| 162 | |
| 163 | out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l) |
| 164 | if [ $out -eq 0 ]; then |
| 165 | fail "Trace validation" |
| 166 | diag "No event(s) found. We are supposed to have at least one." |
| 167 | out=1 |
| 168 | else |
| 169 | pass "Trace validation" |
| 170 | diag "Found $out event(s). Coherent." |
| 171 | out=0 |
| 172 | fi |
| 173 | |
| 174 | return $out |
| 175 | } |
| 176 | |
| 177 | test_multiple_channels() { |
| 178 | local out |
| 179 | |
| 180 | diag "Start with multiple channels" |
| 181 | |
| 182 | # BEFORE application is spawned |
| 183 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 184 | enable_channel_per_pid $SESSION_NAME "channel0" |
| 185 | enable_channel_per_pid $SESSION_NAME "channel1" |
| 186 | enable_channel_per_pid $SESSION_NAME "channel2" |
| 187 | enable_channel_per_pid $SESSION_NAME "channel3" |
| 188 | enable_channel_per_pid $SESSION_NAME "channel4" |
| 189 | # Enable event in all channels. |
| 190 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel0 -s $SESSION_NAME -u >/dev/null 2>&1 |
| 191 | ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel0" |
| 192 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel1 -s $SESSION_NAME -u >/dev/null 2>&1 |
| 193 | ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel1" |
| 194 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel2 -s $SESSION_NAME -u >/dev/null 2>&1 |
| 195 | ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel2" |
| 196 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel3 -s $SESSION_NAME -u >/dev/null 2>&1 |
| 197 | ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel3" |
| 198 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel4 -s $SESSION_NAME -u >/dev/null 2>&1 |
| 199 | ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel4" |
| 200 | start_lttng_tracing $SESSION_NAME |
| 201 | |
| 202 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT |
| 203 | ok $? "Start application to trace" |
| 204 | |
| 205 | stop_lttng_tracing $SESSION_NAME |
| 206 | trace_matches $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH |
| 207 | out=$? |
| 208 | |
| 209 | destroy_lttng_session $SESSION_NAME |
| 210 | |
| 211 | return $out |
| 212 | } |
| 213 | |
| 214 | # MUST set TESTDIR before calling those functions |
| 215 | plan_tests $NUM_TESTS |
| 216 | |
| 217 | print_test_banner "$TEST_DESC" |
| 218 | |
| 219 | TESTS=( |
| 220 | "test_before_app" |
| 221 | "test_after_app" |
| 222 | "test_after_multiple_apps" |
| 223 | "test_before_multiple_apps" |
| 224 | "test_multiple_channels" |
| 225 | ) |
| 226 | |
| 227 | TEST_COUNT=${#TESTS[@]} |
| 228 | i=0 |
| 229 | |
| 230 | start_lttng_sessiond |
| 231 | |
| 232 | while [ $i -lt $TEST_COUNT ]; do |
| 233 | TRACE_PATH=$(mktemp -d) |
| 234 | ${TESTS[$i]} |
| 235 | rm -rf $TRACE_PATH |
| 236 | let "i++" |
| 237 | done |
| 238 | |
| 239 | stop_lttng_sessiond |