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 $sess_name"
  41 }
  42
  43 function check_sessiond()
  44 {
  45         if [ -z "$(pgrep --full lt-lttng-sessiond)" ]; then
  46                 local str_date=$(date +%H%M%S-%d%m%Y)
  47
  48                 diag "!!!The session daemon died unexpectedly!!!"
  49                 mv $LOG_FILE_SESSIOND $LOG_FILE_SESSIOND-$str_date
  50                 if [ -e $COREDUMP_FILE ]; then
  51                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
  52                 fi
  53                 exit 1
  54         fi
  55 }
  56
  57 function check_relayd()
  58 {
  59         if [ -z "$(pgrep --full lt-lttng-relayd)" ]; then
  60                 local str_date=$(date +%H%M%S-%d%m%Y)
  61
  62                 diag "!!!The relay daemon died unexpectedly!!!"
  63                 mv $LOG_FILE_RELAYD $LOG_FILE_RELAYD-$str_date
  64                 if [ -e $COREDUMP_FILE ]; then
  65                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
  66                 fi
  67                 exit 1
  68         fi
  69 }
  70
  71 function start_sessiond()
  72 {
  73         validate_kernel_version
  74         if [ $? -ne 0 ]; then
  75                 fail "Start session daemon"
  76                 BAIL_OUT "*** Kernel too old for session daemon tests ***"
  77         fi
  78
  79         if [ -z $(pgrep --full lt-$SESSIOND_BIN) ]; then
  80                 # We have to start it like this so the ulimit -c is used by this
  81                 # process. Also, we collect any error message printed out.
  82                 $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --quiet --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE_SESSIOND 2>&1
  83                 status=$?
  84                 ok $status "Start session daemon"
  85         fi
  86 }
  87
  88 function start_relayd
  89 {
  90         local opt=$1
  91
  92         if [ -z $(pgrep --full lt-$RELAYD_BIN) ]; then
  93                 $TESTDIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt >$LOG_FILE_RELAYD 2>&1 &
  94                 ok $? "Start lttng-relayd (opt: \"$opt\")"
  95         fi
  96 }
  97
  98 test_stress()
  99 {
 100         for b in $(seq 1 $NR_LOOP); do
 101                 for a in $(seq 1 $NR_SESSION); do
 102                         create_lttng_session_uri $SESSION_NAME-$a net://localhost
 103                         check_sessiond
 104                         check_relayd
 105                         enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME
 106                         check_sessiond
 107                         check_relayd
 108                         enable_ust_lttng_event_ok $SESSION_NAME-$a $EVENT_NAME
 109                         check_sessiond
 110                         check_relayd
 111                         start_lttng_tracing_ok $SESSION_NAME-$a
 112                         check_sessiond
 113                         check_relayd
 114                 done
 115
 116                 for a in $(seq 1 $NR_SESSION); do
 117                         stop_lttng_tracing_ok $SESSION_NAME-$a
 118                         check_sessiond
 119                         check_relayd
 120                         destroy_lttng_session_ok $SESSION_NAME-$a
 121                         check_sessiond
 122                         check_relayd
 123                 done
 124         done
 125
 126         return 0
 127 }
 128
 129 function cleanup()
 130 {
 131         diag "Cleaning up!"
 132         for p in ${APPS_PID}; do
 133                 kill -s SIGKILL ${p}
 134                 wait ${p} 2>/dev/null
 135         done
 136         APPS_PID=
 137         stop_lttng_sessiond
 138         stop_lttng_relayd
 139 }
 140
 141 function sighandler()
 142 {
 143         cleanup
 144         rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 145         exit 1
 146 }
 147
 148 trap sighandler SIGINT
 149 trap sighandler SIGTERM
 150
 151 # Make sure we collect a coredump if possible.
 152 ulimit -c unlimited
 153
 154 # MUST set TESTDIR before calling those functions
 155 plan_tests $NUM_TESTS
 156
 157 print_test_banner "$TEST_DESC"
 158
 159 TRACE_PATH=$(mktemp -d)
 160
 161 start_relayd "-o $TRACE_PATH"
 162 start_sessiond
 163
 164 diag "Starting applications launcher"
 165
 166 # Start NR_APP applications script that will spawn apps non stop.
 167 ./$TESTDIR/stress/$LAUNCH_APP $NR_APP &
 168 APPS_PID="${APPS_PID} ${!}"
 169
 170 test_stress
 171 out=$?
 172 if [ $out -ne 0 ]; then
 173         cleanup
 174         exit $out
 175 fi
 176
 177 cleanup
 178 rm -rf $TRACE_PATH
 179 rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 180 exit 0