tests/stress/test_multi_sessions_per_uid_5app_streaming_kill_relayd

   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 KILL_RELAYD_HELPER="kill_relayd"
  17 SESSION_NAME="stress"
  18 EVENT_NAME="tp:tptest"
  19 LOG_FILE_SESSIOND="sessiond.log"
  20 LOG_FILE_RELAYD="relayd.log"
  21 CHANNEL_NAME="channel0"
  22 NR_APP=5
  23 NR_SESSION=5
  24 NR_LOOP=100000
  25 COREDUMP_FILE=$(cat /proc/sys/kernel/core_pattern)
  26 NUM_TESTS=16
  27 APPS_PID=
  28
  29 TEST_DESC="Stress test - $NR_SESSION sessions per UID streaming with $NR_APP apps. The relayd is killed sporadically"
  30
  31 source $TESTDIR/utils/utils.sh
  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 $sess_name"
  42 }
  43
  44 function check_sessiond()
  45 {
  46         if [ -z "$(pgrep --full lt-lttng-sessiond)" ]; then
  47                 local str_date=$(date +%H%M%S-%d%m%Y)
  48
  49                 diag "!!!The session daemon died unexpectedly!!!"
  50                 mv $LOG_FILE_SESSIOND $LOG_FILE_SESSIOND-$str_date
  51                 if [ -e $COREDUMP_FILE ]; then
  52                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
  53                 fi
  54                 exit 1
  55         fi
  56 }
  57
  58 function start_sessiond()
  59 {
  60         validate_kernel_version
  61         if [ $? -ne 0 ]; then
  62                 fail "Start session daemon"
  63                 BAIL_OUT "*** Kernel too old for session daemon tests ***"
  64         fi
  65
  66         if [ -z $(pgrep --full lt-$SESSIOND_BIN) ]; then
  67                 # We have to start it like this so the ulimit -c is used by this
  68                 # process. Also, we collect any error message printed out.
  69                 #$TESTDIR/../src/bin/lttng-sessiond/$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
  70                 $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --verbose-consumer -vvv --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE_SESSIOND 2>&1
  71                 #$TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE_SESSIOND 2>&1
  72                 status=$?
  73                 ok $status "Start session daemon"
  74         fi
  75 }
  76
  77 function start_relayd
  78 {
  79         local opt=$1
  80
  81         if [ -z $(pgrep --full lt-$RELAYD_BIN) ]; then
  82                 $TESTDIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt >$LOG_FILE_RELAYD 2>&1 &
  83                 ok $? "Start lttng-relayd (opt: \"$opt\")"
  84         fi
  85 }
  86
  87 function check_relayd()
  88 {
  89         if [ -z "$(pgrep --full lt-lttng-relayd)" ]; then
  90                 local str_date=$(date +%H%M%S-%d%m%Y)
  91
  92                 #diag "Relay daemon died. Starting it again"
  93                 if [ -e $COREDUMP_FILE ]; then
  94                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
  95                 fi
  96                 start_relayd
  97         fi
  98 }
  99
 100 test_stress()
 101 {
 102         for b in $(seq 1 $NR_LOOP); do
 103                 for a in $(seq 1 $NR_SESSION); do
 104                         create_lttng_session_uri $SESSION_NAME-$a net://localhost
 105                         check_sessiond
 106                         check_relayd
 107                         enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME
 108                         check_sessiond
 109                         check_relayd
 110                         enable_ust_lttng_event_ok $SESSION_NAME-$a $EVENT_NAME
 111                         check_sessiond
 112                         check_relayd
 113                         start_lttng_tracing_ok $SESSION_NAME-$a
 114                         check_sessiond
 115                         check_relayd
 116                 done
 117
 118                 for a in $(seq 1 $NR_SESSION); do
 119                         stop_lttng_tracing_ok $SESSION_NAME-$a
 120                         check_sessiond
 121                         check_relayd
 122                         destroy_lttng_session_ok $SESSION_NAME-$a
 123                         check_sessiond
 124                         check_relayd
 125                 done
 126         done
 127
 128         return 0
 129 }
 130
 131 function cleanup()
 132 {
 133         diag "Cleaning up!"
 134         for p in ${APPS_PID}; do
 135                 kill ${p}
 136                 wait ${p} 2>/dev/null
 137         done
 138         APPS_PID=
 139         stop_lttng_sessiond
 140         stop_lttng_relayd
 141 }
 142
 143 function sighandler()
 144 {
 145         cleanup
 146         #rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 147         exit 1
 148 }
 149
 150 trap sighandler SIGINT
 151 trap sighandler SIGTERM
 152
 153 # Make sure we collect a coredump if possible.
 154 ulimit -c unlimited
 155
 156 # MUST set TESTDIR before calling those functions
 157 plan_tests $NUM_TESTS
 158
 159 print_test_banner "$TEST_DESC"
 160
 161 TRACE_PATH=$(mktemp -d)
 162
 163 start_relayd "-o $TRACE_PATH"
 164 start_sessiond
 165
 166 diag "Starting applications launcher"
 167
 168 # Start NR_APP applications script that will spawn apps non stop.
 169 ./$TESTDIR/stress/$LAUNCH_APP $NR_APP &
 170 APPS_PID="${APPS_PID} ${!}"
 171
 172 # Launch the helper script that will randomly kill the relayd at vitam eternam.
 173 ./$TESTDIR/stress/$KILL_RELAYD_HELPER 1 1 &
 174 APPS_PID="${APPS_PID} ${!}"
 175
 176 test_stress
 177 out=$?
 178 if [ $out -ne 0 ]; then
 179         cleanup
 180         exit $out
 181 fi
 182
 183 cleanup
 184 rm -rf $TRACE_PATH
 185 rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 186 exit 0