tests/stress/test_multi_sessions_per_uid_5app_streaming

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
   4 #
   5 # SPDX-License-Identifier: LGPL-2.1-only
   6 #
   7
   8 CURDIR=$(dirname $0)/
   9 TESTDIR=$CURDIR/..
  10 LAUNCH_APP="launch_ust_app"
  11 SESSION_NAME="stress"
  12 EVENT_NAME="tp:tptest"
  13 LOG_FILE_SESSIOND="sessiond.log"
  14 LOG_FILE_RELAYD="relayd.log"
  15 CHANNEL_NAME="channel0"
  16 NR_APP=5
  17 NR_SESSION=5
  18 NR_LOOP=1000
  19 COREDUMP_FILE=$(cat /proc/sys/kernel/core_pattern)
  20 NUM_TESTS=16
  21 APPS_PID=
  22
  23 TEST_DESC="Stress test - $NR_SESSION sessions per UID streaming with $NR_APP apps"
  24
  25 source $TESTDIR/utils/utils.sh
  26
  27 # MUST set TESTDIR before calling those functions
  28
  29 function enable_channel_per_uid()
  30 {
  31     local sess_name=$1
  32     local channel_name=$2
  33
  34     $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name >/dev/null 2>&1
  35     ok $? "Enable channel $channel_name per UID for session $sess_name"
  36 }
  37
  38 function check_sessiond()
  39 {
  40         if [ -z "$(lttng_pgrep lt-lttng-sessiond)" ]; then
  41                 local str_date=$(date +%H%M%S-%d%m%Y)
  42
  43                 diag "!!!The session daemon died unexpectedly!!!"
  44                 mv $LOG_FILE_SESSIOND $LOG_FILE_SESSIOND-$str_date
  45                 if [ -e $COREDUMP_FILE ]; then
  46                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
  47                 fi
  48                 exit 1
  49         fi
  50 }
  51
  52 function check_relayd()
  53 {
  54         if [ -z "$(lttng_pgrep lt-lttng-relayd)" ]; then
  55                 local str_date=$(date +%H%M%S-%d%m%Y)
  56
  57                 diag "!!!The relay daemon died unexpectedly!!!"
  58                 mv $LOG_FILE_RELAYD $LOG_FILE_RELAYD-$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         validate_kernel_version
  69         if [ $? -ne 0 ]; then
  70                 fail "Start session daemon"
  71                 BAIL_OUT "*** Kernel too old for session daemon tests ***"
  72         fi
  73
  74         if [ -z $(lttng_pgrep lt-$SESSIOND_BIN) ]; then
  75                 # We have to start it like this so the ulimit -c is used by this
  76                 # process. Also, we collect any error message printed out.
  77                 $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --quiet --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE_SESSIOND 2>&1
  78                 status=$?
  79                 ok $status "Start session daemon"
  80         fi
  81 }
  82
  83 function start_relayd
  84 {
  85         local opt=$1
  86
  87         if [ -z $(lttng_pgrep lt-$RELAYD_BIN) ]; then
  88                 $TESTDIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt >$LOG_FILE_RELAYD 2>&1 &
  89                 ok $? "Start lttng-relayd (opt: \"$opt\")"
  90         fi
  91 }
  92
  93 test_stress()
  94 {
  95         for b in $(seq 1 $NR_LOOP); do
  96                 for a in $(seq 1 $NR_SESSION); do
  97                         create_lttng_session_uri $SESSION_NAME-$a net://localhost
  98                         check_sessiond
  99                         check_relayd
 100                         enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME
 101                         check_sessiond
 102                         check_relayd
 103                         enable_ust_lttng_event_ok $SESSION_NAME-$a $EVENT_NAME
 104                         check_sessiond
 105                         check_relayd
 106                         start_lttng_tracing_ok $SESSION_NAME-$a
 107                         check_sessiond
 108                         check_relayd
 109                 done
 110
 111                 for a in $(seq 1 $NR_SESSION); do
 112                         stop_lttng_tracing_ok $SESSION_NAME-$a
 113                         check_sessiond
 114                         check_relayd
 115                         destroy_lttng_session_ok $SESSION_NAME-$a
 116                         check_sessiond
 117                         check_relayd
 118                 done
 119         done
 120
 121         return 0
 122 }
 123
 124 function cleanup()
 125 {
 126         diag "Cleaning up!"
 127         for p in ${APPS_PID}; do
 128                 kill -s SIGKILL ${p}
 129                 wait ${p} 2>/dev/null
 130         done
 131         APPS_PID=
 132         stop_lttng_sessiond
 133         stop_lttng_relayd
 134 }
 135
 136 function sighandler()
 137 {
 138         cleanup
 139         rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 140         full_cleanup
 141 }
 142
 143 trap sighandler SIGINT SIGTERM
 144
 145 # Make sure we collect a coredump if possible.
 146 ulimit -c unlimited
 147
 148 # MUST set TESTDIR before calling those functions
 149 plan_tests $NUM_TESTS
 150
 151 print_test_banner "$TEST_DESC"
 152
 153 TRACE_PATH=$(mktemp --tmpdir -d -t tmp.test_multi_sess_per_uid_5app_streaming.XXXXXX)
 154
 155 start_relayd "-o $TRACE_PATH"
 156 start_sessiond
 157
 158 diag "Starting applications launcher"
 159
 160 # Start NR_APP applications script that will spawn apps non stop.
 161 ./$TESTDIR/stress/$LAUNCH_APP $NR_APP &
 162 APPS_PID="${APPS_PID} ${!}"
 163
 164 test_stress
 165 out=$?
 166 if [ $out -ne 0 ]; then
 167         cleanup
 168         exit $out
 169 fi
 170
 171 cleanup
 172 rm -rf $TRACE_PATH
 173 rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 174 exit 0