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 # SPDX-License-Identifier: LGPL-2.1-only
   6 #
   7
   8 CURDIR=$(dirname $0)/
   9 TESTDIR=$CURDIR/..
  10 LAUNCH_APP="launch_ust_app"
  11 KILL_RELAYD_HELPER="kill_relayd"
  12 SESSION_NAME="stress"
  13 EVENT_NAME="tp:tptest"
  14 LOG_FILE_SESSIOND="sessiond.log"
  15 LOG_FILE_RELAYD="relayd.log"
  16 CHANNEL_NAME="channel0"
  17 NR_APP=5
  18 NR_SESSION=5
  19 NR_LOOP=100000
  20 COREDUMP_FILE=$(cat /proc/sys/kernel/core_pattern)
  21 NUM_TESTS=16
  22 APPS_PID=
  23
  24 TEST_DESC="Stress test - $NR_SESSION sessions per UID streaming with $NR_APP apps. The relayd is killed sporadically"
  25
  26 source $TESTDIR/utils/utils.sh
  27
  28 # MUST set TESTDIR before calling those functions
  29
  30 function enable_channel_per_uid()
  31 {
  32     local sess_name=$1
  33     local channel_name=$2
  34
  35     $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name >/dev/null 2>&1
  36     ok $? "Enable channel $channel_name per UID for session $sess_name"
  37 }
  38
  39 function check_sessiond()
  40 {
  41         if [ -z "$(pgrep --full lt-lttng-sessiond)" ]; then
  42                 local str_date=$(date +%H%M%S-%d%m%Y)
  43
  44                 diag "!!!The session daemon died unexpectedly!!!"
  45                 mv $LOG_FILE_SESSIOND $LOG_FILE_SESSIOND-$str_date
  46                 if [ -e $COREDUMP_FILE ]; then
  47                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
  48                 fi
  49                 exit 1
  50         fi
  51 }
  52
  53 function start_sessiond()
  54 {
  55         validate_kernel_version
  56         if [ $? -ne 0 ]; then
  57                 fail "Start session daemon"
  58                 BAIL_OUT "*** Kernel too old for session daemon tests ***"
  59         fi
  60
  61         if [ -z $(pgrep --full lt-$SESSIOND_BIN) ]; then
  62                 # We have to start it like this so the ulimit -c is used by this
  63                 # process. Also, we collect any error message printed out.
  64                 #$TESTDIR/../src/bin/lttng-sessiond/$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
  65                 $TESTDIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --verbose-consumer -vvv --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE_SESSIOND 2>&1
  66                 #$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
  67                 status=$?
  68                 ok $status "Start session daemon"
  69         fi
  70 }
  71
  72 function start_relayd
  73 {
  74         local opt=$1
  75
  76         if [ -z $(pgrep --full lt-$RELAYD_BIN) ]; then
  77                 $TESTDIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt >$LOG_FILE_RELAYD 2>&1 &
  78                 ok $? "Start lttng-relayd (opt: \"$opt\")"
  79         fi
  80 }
  81
  82 function check_relayd()
  83 {
  84         if [ -z "$(pgrep --full lt-lttng-relayd)" ]; then
  85                 local str_date=$(date +%H%M%S-%d%m%Y)
  86
  87                 #diag "Relay daemon died. Starting it again"
  88                 if [ -e $COREDUMP_FILE ]; then
  89                         mv $COREDUMP_FILE $COREDUMP_FILE-$str_date
  90                 fi
  91                 start_relayd
  92         fi
  93 }
  94
  95 test_stress()
  96 {
  97         for b in $(seq 1 $NR_LOOP); do
  98                 for a in $(seq 1 $NR_SESSION); do
  99                         create_lttng_session_uri $SESSION_NAME-$a net://localhost
 100                         check_sessiond
 101                         check_relayd
 102                         enable_channel_per_uid $SESSION_NAME-$a $CHANNEL_NAME
 103                         check_sessiond
 104                         check_relayd
 105                         enable_ust_lttng_event_ok $SESSION_NAME-$a $EVENT_NAME
 106                         check_sessiond
 107                         check_relayd
 108                         start_lttng_tracing_ok $SESSION_NAME-$a
 109                         check_sessiond
 110                         check_relayd
 111                 done
 112
 113                 for a in $(seq 1 $NR_SESSION); do
 114                         stop_lttng_tracing_ok $SESSION_NAME-$a
 115                         check_sessiond
 116                         check_relayd
 117                         destroy_lttng_session_ok $SESSION_NAME-$a
 118                         check_sessiond
 119                         check_relayd
 120                 done
 121         done
 122
 123         return 0
 124 }
 125
 126 function cleanup()
 127 {
 128         diag "Cleaning up!"
 129         for p in ${APPS_PID}; do
 130                 kill ${p}
 131                 wait ${p} 2>/dev/null
 132         done
 133         APPS_PID=
 134         stop_lttng_sessiond
 135         stop_lttng_relayd
 136 }
 137
 138 function sighandler()
 139 {
 140         cleanup
 141         #rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 142         full_cleanup
 143 }
 144
 145 trap sighandler SIGINT SIGTERM
 146
 147 # Make sure we collect a coredump if possible.
 148 ulimit -c unlimited
 149
 150 # MUST set TESTDIR before calling those functions
 151 plan_tests $NUM_TESTS
 152
 153 print_test_banner "$TEST_DESC"
 154
 155 TRACE_PATH=$(mktemp -d)
 156
 157 start_relayd "-o $TRACE_PATH"
 158 start_sessiond
 159
 160 diag "Starting applications launcher"
 161
 162 # Start NR_APP applications script that will spawn apps non stop.
 163 ./$TESTDIR/stress/$LAUNCH_APP $NR_APP &
 164 APPS_PID="${APPS_PID} ${!}"
 165
 166 # Launch the helper script that will randomly kill the relayd at vitam eternam.
 167 ./$TESTDIR/stress/$KILL_RELAYD_HELPER 1 1 &
 168 APPS_PID="${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