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 lttng_create_session_uri
  45 {
  46         local name=$1
  47
  48         # Create session with default path
  49         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $name -U net://localhost >/dev/null 2>&1
  50         ok $? "Create session on net://localhost"
  51 }
  52
  53 function check_sessiond()
  54 {
  55         if [ -z "$(pgrep --full lt-lttng-sessiond)" ]; then
  56                 local str_date=$(date +%H%M%S-%d%m%Y)
  57
  58                 diag "!!!The session daemon died unexpectedly!!!"
  59                 mv $LOG_FILE_SESSIOND $LOG_FILE_SESSIOND-$str_date
  60                 if [ -e $COREDUMP_FILE ]; then
  61                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
  62                 fi
  63                 exit 1
  64         fi
  65 }
  66
  67 function start_sessiond()
  68 {
  69         validate_kernel_version
  70         if [ $? -ne 0 ]; then
  71                 fail "Start session daemon"
  72                 BAIL_OUT "*** Kernel too old for session daemon tests ***"
  73         fi
  74
  75         if [ -z $(pgrep --full lt-$SESSIOND_BIN) ]; then
  76                 # We have to start it like this so the ulimit -c is used by this
  77                 # process. Also, we collect any error message printed out.
  78                 #$TESTDIR/../src/bin/lttng-sessiond/$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
  79                 $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --verbose-consumer -vvv --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE_SESSIOND 2>&1
  80                 #$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
  81                 status=$?
  82                 ok $status "Start session daemon"
  83         fi
  84 }
  85
  86 function start_relayd
  87 {
  88         local opt=$1
  89
  90         if [ -z $(pgrep --full lt-$RELAYD_BIN) ]; then
  91                 $TESTDIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt >$LOG_FILE_RELAYD 2>&1 &
  92                 ok $? "Start lttng-relayd (opt: \"$opt\")"
  93         fi
  94 }
  95
  96 function check_relayd()
  97 {
  98         if [ -z "$(pgrep --full lt-lttng-relayd)" ]; then
  99                 local str_date=$(date +%H%M%S-%d%m%Y)
 100
 101                 #diag "Relay daemon died. Starting it again"
 102                 if [ -e $COREDUMP_FILE ]; then
 103                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
 104                 fi
 105                 start_relayd
 106         fi
 107 }
 108
 109 test_stress()
 110 {
 111         for b in $(seq 1 $NR_LOOP); do
 112                 for a in $(seq 1 $NR_SESSION); do
 113                         lttng_create_session_uri $SESSION_NAME-$a
 114                         check_sessiond
 115                         check_relayd
 116                         enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME
 117                         check_sessiond
 118                         check_relayd
 119                         enable_ust_lttng_event_ok $SESSION_NAME-$a $EVENT_NAME
 120                         check_sessiond
 121                         check_relayd
 122                         start_lttng_tracing_ok $SESSION_NAME-$a
 123                         check_sessiond
 124                         check_relayd
 125                 done
 126
 127                 for a in $(seq 1 $NR_SESSION); do
 128                         stop_lttng_tracing_ok $SESSION_NAME-$a
 129                         check_sessiond
 130                         check_relayd
 131                         destroy_lttng_session_ok $SESSION_NAME-$a
 132                         check_sessiond
 133                         check_relayd
 134                 done
 135         done
 136
 137         return 0
 138 }
 139
 140 function cleanup()
 141 {
 142         diag "Cleaning up!"
 143         for p in ${APPS_PID}; do
 144                 kill ${p}
 145                 wait ${p} 2>/dev/null
 146         done
 147         APPS_PID=
 148         stop_lttng_sessiond
 149         stop_lttng_relayd
 150 }
 151
 152 function sighandler()
 153 {
 154         cleanup
 155         #rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 156         exit 1
 157 }
 158
 159 trap sighandler SIGINT
 160 trap sighandler SIGTERM
 161
 162 # Make sure we collect a coredump if possible.
 163 ulimit -c unlimited
 164
 165 # MUST set TESTDIR before calling those functions
 166 plan_tests $NUM_TESTS
 167
 168 print_test_banner "$TEST_DESC"
 169
 170 TRACE_PATH=$(mktemp -d)
 171
 172 start_relayd "-o $TRACE_PATH"
 173 start_sessiond
 174
 175 diag "Starting applications launcher"
 176
 177 # Start NR_APP applications script that will spawn apps non stop.
 178 ./$TESTDIR/stress/$LAUNCH_APP $NR_APP &
 179 APPS_PID="${APPS_PID} ${!}"
 180
 181 # Launch the helper script that will randomly kill the relayd at vitam eternam.
 182 ./$TESTDIR/stress/$KILL_RELAYD_HELPER 1 1 &
 183 APPS_PID="${APPS_PID} ${!}"
 184
 185 test_stress
 186 out=$?
 187 if [ $out -ne 0 ]; then
 188         cleanup
 189         exit $out
 190 fi
 191
 192 cleanup
 193 rm -rf $TRACE_PATH
 194 rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 195 exit 0