| 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 UID buffers and periodical flush" |
| 18 | |
| 19 | CURDIR=$(dirname $0)/ |
| 20 | TESTDIR=$CURDIR/../../.. |
| 21 | NR_ITER=100 |
| 22 | SESSION_NAME="periodical-flush" |
| 23 | EVENT_NAME="ust_gen_nevents:tptest" |
| 24 | BIN_NAME="gen-nevents" |
| 25 | NUM_TESTS=38 |
| 26 | |
| 27 | source $TESTDIR/utils/utils.sh |
| 28 | |
| 29 | if [ ! -x "$CURDIR/gen-nevents" ]; then |
| 30 | BAIL_OUT "No UST nevents binary detected." |
| 31 | fi |
| 32 | |
| 33 | # MUST set TESTDIR before calling those functions |
| 34 | |
| 35 | function enable_channel_per_uid() |
| 36 | { |
| 37 | local sess_name=$1 |
| 38 | local channel_name=$2 |
| 39 | |
| 40 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name >/dev/null 2>&1 |
| 41 | ok $? "Enable channel $channel_name per UID for session $sess_name" |
| 42 | } |
| 43 | |
| 44 | function enable_metadata_per_uid() |
| 45 | { |
| 46 | local sess_name=$1 |
| 47 | local channel_name="metadata" |
| 48 | |
| 49 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --switch-timer 200000 >/dev/null 2>&1 |
| 50 | ok $? "Enable channel $channel_name per UID for session $sess_name" |
| 51 | } |
| 52 | |
| 53 | function enable_metadata_per_pid() |
| 54 | { |
| 55 | local sess_name=$1 |
| 56 | local channel_name="metadata" |
| 57 | |
| 58 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name --switch-timer 200000 >/dev/null 2>&1 |
| 59 | ok $? "Enable channel $channel_name per PID for session $sess_name" |
| 60 | } |
| 61 | |
| 62 | function wait_apps |
| 63 | { |
| 64 | diag "Waiting for applications to end..." |
| 65 | while [ -n "$(pidof $BIN_NAME)" ]; do |
| 66 | sleep 1 |
| 67 | done |
| 68 | } |
| 69 | |
| 70 | test_after_app_pid() { |
| 71 | local out |
| 72 | |
| 73 | diag "Start application AFTER tracing is started" |
| 74 | |
| 75 | # BEFORE application is spawned |
| 76 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 77 | enable_metadata_per_pid $SESSION_NAME |
| 78 | enable_ust_lttng_channel $SESSION_NAME "channel0" |
| 79 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME |
| 80 | start_lttng_tracing $SESSION_NAME |
| 81 | |
| 82 | ./$CURDIR/$BIN_NAME $NR_ITER |
| 83 | ok $? "Start application to trace" |
| 84 | |
| 85 | stop_lttng_tracing $SESSION_NAME |
| 86 | destroy_lttng_session $SESSION_NAME |
| 87 | |
| 88 | trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH |
| 89 | |
| 90 | return $? |
| 91 | } |
| 92 | |
| 93 | test_before_app_pid() { |
| 94 | local out |
| 95 | |
| 96 | diag "Start application BEFORE tracing is started" |
| 97 | |
| 98 | ./$CURDIR/$BIN_NAME $NR_ITER & |
| 99 | ok $? "Start application to trace" |
| 100 | |
| 101 | # BEFORE application is spawned |
| 102 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 103 | enable_metadata_per_pid $SESSION_NAME |
| 104 | enable_ust_lttng_channel $SESSION_NAME "channel0" |
| 105 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME |
| 106 | start_lttng_tracing $SESSION_NAME |
| 107 | |
| 108 | # At least hit one event |
| 109 | sleep 2 |
| 110 | |
| 111 | stop_lttng_tracing $SESSION_NAME |
| 112 | destroy_lttng_session $SESSION_NAME |
| 113 | |
| 114 | out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l) |
| 115 | if [ $out -eq 0 ]; then |
| 116 | fail "Trace validation" |
| 117 | diag "No event(s) found. We are supposed to have at least one." |
| 118 | out=1 |
| 119 | else |
| 120 | pass "Trace validation" |
| 121 | diag "Found $out event(s). Coherent." |
| 122 | out=0 |
| 123 | fi |
| 124 | |
| 125 | wait_apps |
| 126 | |
| 127 | return $out |
| 128 | } |
| 129 | |
| 130 | test_after_app_uid() { |
| 131 | local out |
| 132 | |
| 133 | diag "Start application AFTER tracing is started" |
| 134 | |
| 135 | # BEFORE application is spawned |
| 136 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 137 | enable_metadata_per_uid $SESSION_NAME |
| 138 | enable_channel_per_uid $SESSION_NAME "channel0" |
| 139 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME |
| 140 | start_lttng_tracing $SESSION_NAME |
| 141 | |
| 142 | ./$CURDIR/$BIN_NAME $NR_ITER |
| 143 | ok $? "Start application to trace" |
| 144 | |
| 145 | stop_lttng_tracing $SESSION_NAME |
| 146 | destroy_lttng_session $SESSION_NAME |
| 147 | |
| 148 | trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH |
| 149 | |
| 150 | return $? |
| 151 | } |
| 152 | |
| 153 | test_before_app_uid() { |
| 154 | local out |
| 155 | |
| 156 | diag "Start application BEFORE tracing is started" |
| 157 | |
| 158 | ./$CURDIR/$BIN_NAME $NR_ITER & |
| 159 | ok $? "Start application to trace" |
| 160 | |
| 161 | # BEFORE application is spawned |
| 162 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 163 | enable_metadata_per_uid $SESSION_NAME |
| 164 | enable_channel_per_uid $SESSION_NAME "channel0" |
| 165 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME |
| 166 | start_lttng_tracing $SESSION_NAME |
| 167 | |
| 168 | # At least hit one event |
| 169 | sleep 2 |
| 170 | |
| 171 | stop_lttng_tracing $SESSION_NAME |
| 172 | destroy_lttng_session $SESSION_NAME |
| 173 | |
| 174 | out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l) |
| 175 | if [ $out -eq 0 ]; then |
| 176 | fail "Trace validation" |
| 177 | diag "No event(s) found. We are supposed to have at least one." |
| 178 | out=1 |
| 179 | else |
| 180 | pass "Trace validation" |
| 181 | diag "Found $out event(s). Coherent." |
| 182 | out=0 |
| 183 | fi |
| 184 | |
| 185 | wait_apps |
| 186 | |
| 187 | return $out |
| 188 | } |
| 189 | |
| 190 | # MUST set TESTDIR before calling those functions |
| 191 | plan_tests $NUM_TESTS |
| 192 | |
| 193 | print_test_banner "$TEST_DESC" |
| 194 | |
| 195 | TESTS=( |
| 196 | "test_before_app_uid" |
| 197 | "test_after_app_uid" |
| 198 | "test_before_app_pid" |
| 199 | "test_after_app_pid" |
| 200 | ) |
| 201 | |
| 202 | TEST_COUNT=${#TESTS[@]} |
| 203 | i=0 |
| 204 | |
| 205 | start_lttng_sessiond |
| 206 | |
| 207 | while [ $i -lt $TEST_COUNT ]; do |
| 208 | TRACE_PATH=$(mktemp -d) |
| 209 | ${TESTS[$i]} |
| 210 | #rm -rf $TRACE_PATH |
| 211 | let "i++" |
| 212 | done |
| 213 | |
| 214 | stop_lttng_sessiond |