tests/stress/test_multi_sessions_per_uid_10app

   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.
   8 # details.
   9 #
  10 # You should have received a copy of the GNU Lesser General Public License
  11 # along with this library; if not, write to the Free Software Foundation, Inc.,
  12 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  13
  14
  15 CURDIR=$(dirname $0)/
  16 TESTDIR=$CURDIR/..
  17 LAUNCH_APP="launch_ust_app"
  18 SESSION_NAME="stress"
  19 EVENT_NAME="tp:tptest"
  20 LOG_FILE="sessiond.log"
  21 CHANNEL_NAME="channel0"
  22 NUM_TESTS=16
  23 NR_APP=10
  24 NR_SESSION=5
  25 NR_LOOP=1000
  26 COREDUMP_FILE=$(cat /proc/sys/kernel/core_pattern)
  27
  28 TEST_DESC="Stress test - $NR_SESSION sessions per UID 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 $sess_name"
  41 }
  42
  43 function check_sessiond()
  44 {
  45         if [ -z "$(pidof 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 $LOG_FILE-$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 start_sessiond()
  58 {
  59         local SESSIOND_BIN="lttng-sessiond"
  60
  61         validate_kernel_version
  62         if [ $? -ne 0 ]; then
  63                 fail "Start session daemon"
  64                 BAIL_OUT "*** Kernel too old for session daemon tests ***"
  65         fi
  66
  67         if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
  68                 # We have to start it like this so the ulimit -c is used by this
  69                 # process. Also, we collect any error message printed out.
  70                 $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --quiet --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE 2>&1 &
  71                 status=$?
  72                 # Wait for sessiond to bootstrap
  73                 sleep 2
  74                 ok $status "Start session daemon"
  75         fi
  76 }
  77
  78 test_stress()
  79 {
  80         for b in $(seq 1 $NR_LOOP); do
  81                 for a in $(seq 1 $NR_SESSION); do
  82                         create_lttng_session $SESSION_NAME-$a $TRACE_PATH
  83                         check_sessiond
  84                         enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME
  85                         check_sessiond
  86                         enable_ust_lttng_event $SESSION_NAME-$a $EVENT_NAME
  87                         check_sessiond
  88                         start_lttng_tracing $SESSION_NAME-$a
  89                         check_sessiond
  90                 done
  91
  92                 for a in $(seq 1 $NR_SESSION); do
  93                         stop_lttng_tracing $SESSION_NAME-$a
  94                         check_sessiond
  95                         destroy_lttng_session $SESSION_NAME-$a
  96                         check_sessiond
  97                 done
  98         done
  99
 100         return 0
 101 }
 102
 103 function cleanup()
 104 {
 105         diag "Cleaning up!"
 106         killall -9 $LAUNCH_APP
 107         stop_lttng_sessiond
 108 }
 109
 110 function sighandler()
 111 {
 112         cleanup
 113         rm $LOG_FILE
 114         exit 1
 115 }
 116
 117 trap sighandler SIGINT
 118
 119 # Make sure we collect a coredump if possible.
 120 ulimit -c unlimited
 121
 122 # MUST set TESTDIR before calling those functions
 123 plan_tests $NUM_TESTS
 124
 125 print_test_banner "$TEST_DESC"
 126
 127 start_sessiond
 128
 129 diag "Starting applications"
 130
 131 # Start NR_APP applications script that will spawn apps non stop.
 132 ./$TESTDIR/stress/$LAUNCH_APP $NR_APP &
 133
 134 TRACE_PATH=$(mktemp -d)
 135
 136 test_stress
 137 out=$?
 138 if [ $out -ne 0 ]; then
 139         cleanup
 140         exit $out
 141 fi
 142
 143 cleanup
 144 rm -rf $TRACE_PATH
 145 rm $LOG_FILE
 146 exit 0