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 APP_PIDS=()
  22
  23 TEST_DESC="Stress test - $NR_SESSION sessions per UID streaming with $NR_APP apps"
  24
  25 # shellcheck source-path=SCRIPTDIR/../
  26 source "$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 $sess_name"
  37 }
  38
  39 function check_sessiond()
  40 {
  41         local str_date
  42         if [ -z "$(lttng_pgrep lttng-sessiond)" ]; then
  43                 str_date=$(date +%H%M%S-%d%m%Y)
  44
  45                 diag "!!!The session daemon died unexpectedly!!!"
  46                 mv $LOG_FILE_SESSIOND "$LOG_FILE_SESSIOND-$str_date"
  47                 if [ -e "$COREDUMP_FILE" ]; then
  48                         mv "$COREDUMP_FILE" "$COREDUMP_FILE-$str_date"
  49                 fi
  50                 exit 1
  51         fi
  52 }
  53
  54 function check_relayd()
  55 {
  56         local str_date
  57         if [ -z "$(lttng_pgrep lttng-relayd)" ]; then
  58                 str_date=$(date +%H%M%S-%d%m%Y)
  59
  60                 diag "!!!The relay daemon died unexpectedly!!!"
  61                 mv $LOG_FILE_RELAYD "$LOG_FILE_RELAYD-$str_date"
  62                 if [ -e "$COREDUMP_FILE" ]; then
  63                         mv "$COREDUMP_FILE" "$COREDUMP_FILE-$str_date"
  64                 fi
  65                 exit 1
  66         fi
  67 }
  68
  69 function start_sessiond()
  70 {
  71         if ! validate_kernel_version ; then
  72                 fail "Start session daemon"
  73                 BAIL_OUT "*** Kernel too old for session daemon tests ***"
  74         fi
  75
  76         if [ -z "$(lttng_pgrep 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/$SESSIOND_BIN" --quiet --background --consumerd32-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$TESTDIR/../src/bin/lttng-consumerd/lttng-consumerd" >$LOG_FILE_SESSIOND 2>&1
  80                 status=$?
  81                 ok $status "Start session daemon"
  82         fi
  83 }
  84
  85 function start_relayd
  86 {
  87         local opt=$1
  88
  89         if [ -z "$(lttng_pgrep lt-$RELAYD_BIN)" ]; then
  90                 "$TESTDIR/../src/bin/lttng-relayd/$RELAYD_BIN" "$opt" >"$LOG_FILE_RELAYD" 2>&1 &
  91                 ok $? "Start lttng-relayd (opt: \"$opt\")"
  92         fi
  93 }
  94
  95 test_stress()
  96 {
  97         # shellcheck disable=SC2034
  98         for b in $(seq 1 $NR_LOOP); do
  99                 for a in $(seq 1 $NR_SESSION); do
 100                         create_lttng_session_uri $SESSION_NAME-"$a" net://localhost
 101                         check_sessiond
 102                         check_relayd
 103                         enable_channel_per_uid $SESSION_NAME-"$a" $CHANNEL_NAME
 104                         check_sessiond
 105                         check_relayd
 106                         enable_ust_lttng_event_ok $SESSION_NAME-"$a" $EVENT_NAME
 107                         check_sessiond
 108                         check_relayd
 109                         start_lttng_tracing_ok $SESSION_NAME-"$a"
 110                         check_sessiond
 111                         check_relayd
 112                 done
 113
 114                 for a in $(seq 1 $NR_SESSION); do
 115                         stop_lttng_tracing_ok $SESSION_NAME-"$a"
 116                         check_sessiond
 117                         check_relayd
 118                         destroy_lttng_session_ok $SESSION_NAME-"$a"
 119                         check_sessiond
 120                         check_relayd
 121                 done
 122         done
 123
 124         return 0
 125 }
 126
 127 function cleanup()
 128 {
 129         diag "Cleaning up!"
 130         kill -s SIGKILL "${APP_PIDS[@]}"
 131         wait "${APP_PIDS[@]}" 2>/dev/null
 132         APP_PIDS=()
 133         # shellcheck disable=SC2119
 134         stop_lttng_sessiond
 135         # shellcheck disable=SC2119
 136         stop_lttng_relayd
 137 }
 138
 139 function sighandler()
 140 {
 141         cleanup
 142         rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 143         full_cleanup
 144 }
 145
 146 trap sighandler SIGINT SIGTERM
 147
 148 # Make sure we collect a coredump if possible.
 149 ulimit -c unlimited
 150
 151 # MUST set TESTDIR before calling those functions
 152 plan_tests $NUM_TESTS
 153
 154 print_test_banner "$TEST_DESC"
 155
 156 TRACE_PATH=$(mktemp -d -t tmp.test_multi_sess_per_uid_5app_streaming.XXXXXX)
 157
 158 start_relayd "-o $TRACE_PATH"
 159 start_sessiond
 160
 161 diag "Starting applications launcher"
 162
 163 # Start NR_APP applications script that will spawn apps non stop.
 164 "./$TESTDIR/stress/$LAUNCH_APP" $NR_APP &
 165 APP_PIDS+=(${!})
 166
 167 test_stress
 168 out=$?
 169 if [ $out -ne 0 ]; then
 170         cleanup
 171         exit $out
 172 fi
 173
 174 cleanup
 175 rm -rf "${TRACE_PATH:?}/"
 176 rm $LOG_FILE_SESSIOND $LOG_FILE_RELAYD
 177 exit 0