tests/stress/test_multi_sessions_per_uid_5app_streaming

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2013 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.  details.
   8 #
   9 # You should have received a copy of the GNU Lesser General Public License
  10 # along with this library; if not, write to the Free Software Foundation, Inc.,
  11 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  12
  13 CURDIR=$(dirname $0)/
  14 TESTDIR=$CURDIR/..
  15 LAUNCH_APP="launch_ust_app"
  16 SESSION_NAME="stress"
  17 EVENT_NAME="tp:tptest"
  18 LOG_FILE_SESSIOND="sessiond.log"
  19 LOG_FILE_RELAYD="relayd.log"
  20 CHANNEL_NAME="channel0"
  21 NR_APP=5
  22 NR_SESSION=5
  23 NR_LOOP=1000
  24 COREDUMP_FILE=$(cat /proc/sys/kernel/core_pattern)
  25 NUM_TESTS=16
  26
  27 TEST_DESC="Stress test - $NR_SESSION sessions per UID streaming with $NR_APP apps"
  28
  29 source $TESTDIR/utils/utils.sh
  30
  31 # MUST set TESTDIR before calling those functions
  32
  33 function enable_channel_per_uid()
  34 {
  35     local sess_name=$1
  36     local channel_name=$2
  37
  38     $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name >/dev/null 2>&1
  39     ok $? "Enable channel $channel_name per UID for session $sess_name"
  40 }
  41
  42 function lttng_create_session_uri
  43 {
  44         local name=$1
  45
  46         # Create session with default path
  47         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $name -U net://localhost >/dev/null 2>&1
  48         ok $? "Create session on net://localhost"
  49 }
  50
  51 function check_sessiond()
  52 {
  53         if [ -z "$(pidof lt-lttng-sessiond)" ]; then
  54                 local str_date=$(date +%H%M%S-%d%m%Y)
  55
  56                 diag "!!!The session daemon died unexpectedly!!!"
  57                 mv $LOG_FILE_SESSIOND $LOG_FILE_SESSIOND-$str_date
  58                 if [ -e $COREDUMP_FILE ]; then
  59                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
  60                 fi
  61                 exit 1
  62         fi
  63 }
  64
  65 function check_relayd()
  66 {
  67         if [ -z "$(pidof lt-lttng-relayd)" ]; then
  68                 local str_date=$(date +%H%M%S-%d%m%Y)
  69
  70                 diag "!!!The relay daemon died unexpectedly!!!"
  71                 mv $LOG_FILE_RELAYD $LOG_FILE_RELAYD-$str_date
  72                 if [ -e $COREDUMP_FILE ]; then
  73                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
  74                 fi
  75                 exit 1
  76         fi
  77 }
  78
  79 function start_sessiond()
  80 {
  81         local SESSIOND_BIN="lttng-sessiond"
  82
  83         validate_kernel_version
  84         if [ $? -ne 0 ]; then
  85                 fail "Start session daemon"
  86                 BAIL_OUT "*** Kernel too old for session daemon tests ***"
  87         fi
  88
  89         if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
  90                 # We have to start it like this so the ulimit -c is used by this
  91                 # process. Also, we collect any error message printed out.
  92                 $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --quiet --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE_SESSIOND 2>&1 &
  93                 status=$?
  94                 # Wait for sessiond to bootstrap
  95                 sleep 2
  96                 ok $status "Start session daemon"
  97         fi
  98 }
  99
 100 function start_relayd
 101 {
 102         local opt=$1
 103         local RELAYD_BIN="lttng-relayd"
 104
 105         if [ -z $(pidof lt-$RELAYD_BIN) ]; then
 106                 $TESTDIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt >$LOG_FILE_RELAYD 2>&1 &
 107                 ok $? "Start lttng-relayd (opt: \"$opt\")"
 108         fi
 109 }
 110
 111 test_stress()
 112 {
 113         for b in $(seq 1 $NR_LOOP); do
 114                 for a in $(seq 1 $NR_SESSION); do
 115                         lttng_create_session_uri $SESSION_NAME-$a
 116                         check_sessiond
 117                         check_relayd
 118                         enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME
 119                         check_sessiond
 120                         check_relayd
 121                         enable_ust_lttng_event $SESSION_NAME-$a $EVENT_NAME
 122                         check_sessiond
 123                         check_relayd
 124                         start_lttng_tracing $SESSION_NAME-$a
 125                         check_sessiond
 126                         check_relayd
 127                 done
 128
 129                 for a in $(seq 1 $NR_SESSION); do
 130                         stop_lttng_tracing $SESSION_NAME-$a
 131                         check_sessiond
 132                         check_relayd
 133                         destroy_lttng_session $SESSION_NAME-$a
 134                         check_sessiond
 135                         check_relayd
 136                 done
 137         done
 138
 139         return 0
 140 }
 141
 142 function cleanup()
 143 {
 144         diag "Cleaning up!"
 145         killall -9 $LAUNCH_APP
 146         stop_lttng_sessiond
 147         stop_lttng_relayd
 148 }
 149
 150 function sighandler()
 151 {
 152         cleanup
 153         rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 154         exit 1
 155 }
 156
 157 trap sighandler SIGINT
 158
 159 # Make sure we collect a coredump if possible.
 160 ulimit -c unlimited
 161
 162 # MUST set TESTDIR before calling those functions
 163 plan_tests $NUM_TESTS
 164
 165 print_test_banner "$TEST_DESC"
 166
 167 TRACE_PATH=$(mktemp -d)
 168
 169 start_relayd "-o $TRACE_PATH"
 170 start_sessiond
 171
 172 diag "Starting applications launcher"
 173
 174 # Start NR_APP applications script that will spawn apps non stop.
 175 ./$TESTDIR/stress/$LAUNCH_APP $NR_APP &
 176
 177 test_stress
 178 out=$?
 179 if [ $out -ne 0 ]; then
 180         cleanup
 181         exit $out
 182 fi
 183
 184 cleanup
 185 rm -rf $TRACE_PATH
 186 rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 187 exit 0