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 $? "Create session on net://localhost"
  50 }
  51
  52 function check_sessiond()
  53 {
  54         if [ -z "$(pidof 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 "$(pidof lt-lttng-relayd)" ]; then
  69                 local str_date=$(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         local SESSIOND_BIN="lttng-sessiond"
  83
  84         validate_kernel_version
  85         if [ $? -ne 0 ]; then
  86                 fail "Start session daemon"
  87                 BAIL_OUT "*** Kernel too old for session daemon tests ***"
  88         fi
  89
  90         if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
  91                 # We have to start it like this so the ulimit -c is used by this
  92                 # process. Also, we collect any error message printed out.
  93                 $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --quiet --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE_SESSIOND 2>&1
  94                 status=$?
  95                 ok $status "Start session daemon"
  96         fi
  97 }
  98
  99 function start_relayd
 100 {
 101         local opt=$1
 102         local RELAYD_BIN="lttng-relayd"
 103
 104         if [ -z $(pidof lt-$RELAYD_BIN) ]; then
 105                 $TESTDIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt >$LOG_FILE_RELAYD 2>&1 &
 106                 ok $? "Start lttng-relayd (opt: \"$opt\")"
 107         fi
 108 }
 109
 110 test_stress()
 111 {
 112         for b in $(seq 1 $NR_LOOP); do
 113                 for a in $(seq 1 $NR_SESSION); do
 114                         lttng_create_session_uri $SESSION_NAME-$a
 115                         check_sessiond
 116                         check_relayd
 117                         enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME
 118                         check_sessiond
 119                         check_relayd
 120                         enable_ust_lttng_event_ok $SESSION_NAME-$a $EVENT_NAME
 121                         check_sessiond
 122                         check_relayd
 123                         start_lttng_tracing_ok $SESSION_NAME-$a
 124                         check_sessiond
 125                         check_relayd
 126                 done
 127
 128                 for a in $(seq 1 $NR_SESSION); do
 129                         stop_lttng_tracing_ok $SESSION_NAME-$a
 130                         check_sessiond
 131                         check_relayd
 132                         destroy_lttng_session_ok $SESSION_NAME-$a
 133                         check_sessiond
 134                         check_relayd
 135                 done
 136         done
 137
 138         return 0
 139 }
 140
 141 function cleanup()
 142 {
 143         diag "Cleaning up!"
 144         for p in ${APPS_PID}; do
 145                 kill -s SIGKILL ${p}
 146                 wait ${p} 2>/dev/null
 147         done
 148         APPS_PID=
 149         stop_lttng_sessiond
 150         stop_lttng_relayd
 151 }
 152
 153 function sighandler()
 154 {
 155         cleanup
 156         rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 157         exit 1
 158 }
 159
 160 trap sighandler SIGINT
 161 trap sighandler SIGTERM
 162
 163 # Make sure we collect a coredump if possible.
 164 ulimit -c unlimited
 165
 166 # MUST set TESTDIR before calling those functions
 167 plan_tests $NUM_TESTS
 168
 169 print_test_banner "$TEST_DESC"
 170
 171 TRACE_PATH=$(mktemp -d)
 172
 173 start_relayd "-o $TRACE_PATH"
 174 start_sessiond
 175
 176 diag "Starting applications launcher"
 177
 178 # Start NR_APP applications script that will spawn apps non stop.
 179 ./$TESTDIR/stress/$LAUNCH_APP $NR_APP &
 180 APPS_PID="${APPS_PID} ${!}"
 181
 182 test_stress
 183 out=$?
 184 if [ $out -ne 0 ]; then
 185         cleanup
 186         exit $out
 187 fi
 188
 189 cleanup
 190 rm -rf $TRACE_PATH
 191 rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 192 exit 0