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
  28 TEST_DESC="Stress test - $NR_SESSION sessions per UID streaming with $NR_APP apps. The relayd is killed sporadically"
  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 start_sessiond()
  67 {
  68         local SESSIOND_BIN="lttng-sessiond"
  69
  70         validate_kernel_version
  71         if [ $? -ne 0 ]; then
  72                 fail "Start session daemon"
  73                 BAIL_OUT "*** Kernel too old for session daemon tests ***"
  74         fi
  75
  76         if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
  77                 # We have to start it like this so the ulimit -c is used by this
  78                 # process. Also, we collect any error message printed out.
  79                 #$TESTDIR/../src/bin/lttng-sessiond/$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 &
  80                 $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --verbose-consumer -vvv --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE_SESSIOND 2>&1 &
  81                 #$TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE_SESSIOND 2>&1 &
  82                 status=$?
  83                 # Wait for sessiond to bootstrap
  84                 sleep 2
  85                 ok $status "Start session daemon"
  86         fi
  87 }
  88
  89 function start_relayd
  90 {
  91         local opt=$1
  92         local RELAYD_BIN="lttng-relayd"
  93
  94         if [ -z $(pidof lt-$RELAYD_BIN) ]; then
  95                 $TESTDIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt >$LOG_FILE_RELAYD 2>&1 &
  96                 ok $? "Start lttng-relayd (opt: \"$opt\")"
  97         fi
  98 }
  99
 100 function check_relayd()
 101 {
 102         if [ -z "$(pidof lt-lttng-relayd)" ]; then
 103                 local str_date=$(date +%H%M%S-%d%m%Y)
 104
 105                 #diag "Relay daemon died. Starting it again"
 106                 if [ -e $COREDUMP_FILE ]; then
 107                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
 108                 fi
 109                 start_relayd
 110         fi
 111 }
 112
 113 test_stress()
 114 {
 115         for b in $(seq 1 $NR_LOOP); do
 116                 for a in $(seq 1 $NR_SESSION); do
 117                         lttng_create_session_uri $SESSION_NAME-$a
 118                         check_sessiond
 119                         check_relayd
 120                         enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME
 121                         check_sessiond
 122                         check_relayd
 123                         enable_ust_lttng_event $SESSION_NAME-$a $EVENT_NAME
 124                         check_sessiond
 125                         check_relayd
 126                         start_lttng_tracing $SESSION_NAME-$a
 127                         check_sessiond
 128                         check_relayd
 129                 done
 130
 131                 for a in $(seq 1 $NR_SESSION); do
 132                         stop_lttng_tracing $SESSION_NAME-$a
 133                         check_sessiond
 134                         check_relayd
 135                         destroy_lttng_session $SESSION_NAME-$a
 136                         check_sessiond
 137                         check_relayd
 138                 done
 139         done
 140
 141         return 0
 142 }
 143
 144 function cleanup()
 145 {
 146         diag "Cleaning up!"
 147         killall -9 $LAUNCH_APP
 148         killall -9 $KILL_RELAYD_HELPER
 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
 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 $NR_APP &
 179 # Launch the helper script that will randomly kill the relayd at vitam eternam.
 180 ./$TESTDIR/stress/$KILL_RELAYD_HELPER 1 1 &
 181
 182 test_stress
 183 out=$?
 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