tests/stress/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 # We use the .libs/ binary since it's run from the repository.
  11 REPO_RELAYD_BIN="lt-lttng-relayd"
  12
  13 # Number of seconds the we sleep before killing the relayd. If RANDOM_KILL is
  14 # defined, it's between 1 and 10 seconds.
  15 NR_SEC=10
  16
  17 KILL_LOOP=0
  18 RANDOM_KILL=0
  19
  20 source $TESTDIR/utils/utils.sh
  21
  22 function get_random()
  23 {
  24         return $(echo $RANDOM % $NR_SEC + 1 | bc)
  25 }
  26
  27 function kill_relayd()
  28 {
  29         if [ $RANDOM_KILL -eq 1 ]; then
  30                 # Something between 1 and NR_SEC seconds.
  31                 get_random
  32                 sleep $?
  33         else
  34                 sleep $NR_SEC
  35         fi
  36         killall -q -9 $REPO_RELAYD_BIN >/dev/null 2>&1
  37 }
  38
  39 # Do we have to run in an infinite loop ?
  40 if [ -n "$1" ]; then
  41         KILL_LOOP=1
  42 fi
  43
  44 # Should it be a random kill or not ?
  45 if [ -n "$2" ]; then
  46         RANDOM_KILL=1
  47 fi
  48
  49 # MUST set TESTDIR before this point.
  50
  51 if [ $KILL_LOOP -eq 0 ]; then
  52         kill_relayd
  53 else
  54         while :; do
  55                 kill_relayd
  56         done
  57 fi