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 APPS_PID=
  27
  28 TEST_DESC="Stress test - $NR_SESSION sessions per UID streaming with $NR_APP apps"
  29
  30 source $TESTDIR/utils/utils.sh
  31
  32 # MUST set TESTDIR before calling those functions
  33
  34 function enable_channel_per_uid()
  35 {
  36     local sess_name=$1
  37     local channel_name=$2
  38
  39     $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name >/dev/null 2>&1
  40     ok $? "Enable channel $channel_name per UID for session $sess_name"
  41 }
  42
  43 function lttng_create_session_uri
  44 {
  45         local name=$1
  46
  47         # Create session with default path
  48         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $name -U net://localhost >/dev/null 2>&1
  49         ok $? "Create session on net://localhost"
  50 }
  51
  52 function check_sessiond()
  53 {
  54         if [ -z "$(pgrep --full lt-lttng-sessiond)" ]; then
  55                 local str_date=$(date +%H%M%S-%d%m%Y)
  56
  57                 diag "!!!The session daemon died unexpectedly!!!"
  58                 mv $LOG_FILE_SESSIOND $LOG_FILE_SESSIOND-$str_date
  59                 if [ -e $COREDUMP_FILE ]; then
  60                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
  61                 fi
  62                 exit 1
  63         fi
  64 }
  65
  66 function check_relayd()
  67 {
  68         if [ -z "$(pgrep --full lt-lttng-relayd)" ]; then
  69                 local str_date=$(date +%H%M%S-%d%m%Y)
  70
  71                 diag "!!!The relay daemon died unexpectedly!!!"
  72                 mv $LOG_FILE_RELAYD $LOG_FILE_RELAYD-$str_date
  73                 if [ -e $COREDUMP_FILE ]; then
  74                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
  75                 fi
  76                 exit 1
  77         fi
  78 }
  79
  80 function start_sessiond()
  81 {
  82         validate_kernel_version
  83         if [ $? -ne 0 ]; then
  84                 fail "Start session daemon"
  85                 BAIL_OUT "*** Kernel too old for session daemon tests ***"
  86         fi
  87
  88         if [ -z $(pgrep --full lt-$SESSIOND_BIN) ]; then
  89                 # We have to start it like this so the ulimit -c is used by this
  90                 # process. Also, we collect any error message printed out.
  91                 $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --quiet --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE_SESSIOND 2>&1
  92                 status=$?
  93                 ok $status "Start session daemon"
  94         fi
  95 }
  96
  97 function start_relayd
  98 {
  99         local opt=$1
 100
 101         if [ -z $(pgrep --full lt-$RELAYD_BIN) ]; then
 102                 $TESTDIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt >$LOG_FILE_RELAYD 2>&1 &
 103                 ok $? "Start lttng-relayd (opt: \"$opt\")"
 104         fi
 105 }
 106
 107 test_stress()
 108 {
 109         for b in $(seq 1 $NR_LOOP); do
 110                 for a in $(seq 1 $NR_SESSION); do
 111                         lttng_create_session_uri $SESSION_NAME-$a
 112                         check_sessiond
 113                         check_relayd
 114                         enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME
 115                         check_sessiond
 116                         check_relayd
 117                         enable_ust_lttng_event_ok $SESSION_NAME-$a $EVENT_NAME
 118                         check_sessiond
 119                         check_relayd
 120                         start_lttng_tracing_ok $SESSION_NAME-$a
 121                         check_sessiond
 122                         check_relayd
 123                 done
 124
 125                 for a in $(seq 1 $NR_SESSION); do
 126                         stop_lttng_tracing_ok $SESSION_NAME-$a
 127                         check_sessiond
 128                         check_relayd
 129                         destroy_lttng_session_ok $SESSION_NAME-$a
 130                         check_sessiond
 131                         check_relayd
 132                 done
 133         done
 134
 135         return 0
 136 }
 137
 138 function cleanup()
 139 {
 140         diag "Cleaning up!"
 141         for p in ${APPS_PID}; do
 142                 kill -s SIGKILL ${p}
 143                 wait ${p} 2>/dev/null
 144         done
 145         APPS_PID=
 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 trap sighandler SIGTERM
 159
 160 # Make sure we collect a coredump if possible.
 161 ulimit -c unlimited
 162
 163 # MUST set TESTDIR before calling those functions
 164 plan_tests $NUM_TESTS
 165
 166 print_test_banner "$TEST_DESC"
 167
 168 TRACE_PATH=$(mktemp -d)
 169
 170 start_relayd "-o $TRACE_PATH"
 171 start_sessiond
 172
 173 diag "Starting applications launcher"
 174
 175 # Start NR_APP applications script that will spawn apps non stop.
 176 ./$TESTDIR/stress/$LAUNCH_APP $NR_APP &
 177 APPS_PID="${APPS_PID} ${!}"
 178
 179 test_stress
 180 out=$?
 181 if [ $out -ne 0 ]; then
 182         cleanup
 183         exit $out
 184 fi
 185
 186 cleanup
 187 rm -rf $TRACE_PATH
 188 rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 189 exit 0