tests/regression/ust/buffers-uid/test_buffers_uid

   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"
  18
  19 CURDIR=$(dirname $0)/
  20 TESTDIR=$CURDIR/../../..
  21 NR_ITER=100
  22 NR_USEC_WAIT=100000
  23 SESSION_NAME="buffers-uid"
  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_uid()
  40 {
  41         sess_name=$1
  42         channel_name=$2
  43
  44         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name >/dev/null 2>&1
  45         ok $? "Enable channel $channel_name per UID 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_uid $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         wait_apps
  73
  74         stop_lttng_tracing $SESSION_NAME
  75         destroy_lttng_session $SESSION_NAME
  76
  77         trace_matches $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH
  78
  79         return $?
  80 }
  81
  82 test_before_multiple_apps() {
  83         local out
  84         local i
  85
  86         diag "Start multiple applications BEFORE tracing is started"
  87
  88         for i in `seq 1 5`; do
  89                 $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & >/dev/null 2>&1
  90                 ok $? "Start application $i for tracing"
  91         done
  92
  93         # BEFORE application is spawned
  94         create_lttng_session $SESSION_NAME $TRACE_PATH
  95         enable_channel_per_uid $SESSION_NAME "channel0"
  96         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
  97         start_lttng_tracing $SESSION_NAME
  98
  99         # At least hit one event
 100         sleep 2
 101
 102         stop_lttng_tracing $SESSION_NAME
 103         destroy_lttng_session $SESSION_NAME
 104
 105         out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l)
 106         if [ $out -eq 0 ]; then
 107                 fail "Trace validation"
 108                 diag "No event(s) found. We are supposed to have at least one."
 109                 out=1
 110         else
 111                 pass "Trace validation"
 112                 diag "Found $out event(s). Coherent."
 113                 out=0
 114         fi
 115
 116         wait_apps
 117
 118         return $out
 119 }
 120
 121 test_after_app() {
 122         local out
 123
 124         diag "Start application AFTER tracing is started"
 125
 126         # BEFORE application is spawned
 127         create_lttng_session $SESSION_NAME $TRACE_PATH
 128         enable_channel_per_uid $SESSION_NAME "channel0"
 129         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
 130         start_lttng_tracing $SESSION_NAME
 131
 132         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
 133         ok $? "Start application to trace"
 134
 135         stop_lttng_tracing $SESSION_NAME
 136         destroy_lttng_session $SESSION_NAME
 137
 138         trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH
 139
 140         return $?
 141 }
 142
 143 test_before_app() {
 144         local out
 145
 146         diag "Start application BEFORE tracing is started"
 147
 148         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
 149         ok $? "Start application to trace"
 150
 151         # BEFORE application is spawned
 152         create_lttng_session $SESSION_NAME $TRACE_PATH
 153         enable_channel_per_uid $SESSION_NAME "channel0"
 154         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
 155         start_lttng_tracing $SESSION_NAME
 156
 157         # At least hit one event
 158         sleep 2
 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         wait_apps
 175
 176         return $out
 177 }
 178
 179 test_multiple_channels() {
 180         local out
 181
 182         diag "Start with multiple channels"
 183
 184         # BEFORE application is spawned
 185         create_lttng_session $SESSION_NAME $TRACE_PATH
 186         enable_channel_per_uid $SESSION_NAME "channel0"
 187         enable_channel_per_uid $SESSION_NAME "channel1"
 188         enable_channel_per_uid $SESSION_NAME "channel2"
 189         enable_channel_per_uid $SESSION_NAME "channel3"
 190         enable_channel_per_uid $SESSION_NAME "channel4"
 191         # Enable event in all channels.
 192         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel0 -s $SESSION_NAME -u >/dev/null 2>&1
 193         ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel0"
 194         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel1 -s $SESSION_NAME -u >/dev/null 2>&1
 195         ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel1"
 196         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel2 -s $SESSION_NAME -u >/dev/null 2>&1
 197         ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel2"
 198         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel3 -s $SESSION_NAME -u >/dev/null 2>&1
 199         ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel3"
 200         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $EVENT_NAME -c channel4 -s $SESSION_NAME -u >/dev/null 2>&1
 201         ok $? "Enable event $EVENT_NAME for session $SESSION_NAME in channel4"
 202         start_lttng_tracing $SESSION_NAME
 203
 204         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
 205         ok $? "Start application to trace"
 206
 207         stop_lttng_tracing $SESSION_NAME
 208         trace_matches $EVENT_NAME $[NR_ITER * 5] $TRACE_PATH
 209         out=$?
 210
 211         destroy_lttng_session $SESSION_NAME
 212
 213         return $out
 214 }
 215
 216 # MUST set TESTDIR before calling those functions
 217 plan_tests $NUM_TESTS
 218
 219 print_test_banner "$TEST_DESC"
 220
 221 TESTS=(
 222         "test_before_app"
 223         "test_after_app"
 224         "test_after_multiple_apps"
 225         "test_before_multiple_apps"
 226         "test_multiple_channels"
 227 )
 228
 229 TEST_COUNT=${#TESTS[@]}
 230 i=0
 231
 232 start_lttng_sessiond
 233
 234 while [ $i -lt $TEST_COUNT ]; do
 235         TRACE_PATH=$(mktemp -d)
 236         ${TESTS[$i]}
 237         rm -rf $TRACE_PATH
 238         let "i++"
 239 done
 240
 241 stop_lttng_sessiond