tools/testing/selftests/rcutorture/bin/functions.sh

   1 #!/bin/bash
   2 #
   3 # Shell functions for the rest of the scripts.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18 #
  19 # Copyright (C) IBM Corporation, 2013
  20 #
  21 # Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
  22
  23 # bootparam_hotplug_cpu bootparam-string
  24 #
  25 # Returns 1 if the specified boot-parameter string tells rcutorture to
  26 # test CPU-hotplug operations.
  27 bootparam_hotplug_cpu () {
  28         echo "$1" | grep -q "rcutorture\.onoff_"
  29 }
  30
  31 # configfrag_boot_params bootparam-string config-fragment-file
  32 #
  33 # Adds boot parameters from the .boot file, if any.
  34 configfrag_boot_params () {
  35         if test -r "$2.boot"
  36         then
  37                 echo $1 `grep -v '^#' "$2.boot" | tr '\012' ' '`
  38         else
  39                 echo $1
  40         fi
  41 }
  42
  43 # configfrag_hotplug_cpu config-fragment-file
  44 #
  45 # Returns 1 if the config fragment specifies hotplug CPU.
  46 configfrag_hotplug_cpu () {
  47         if test ! -r "$1"
  48         then
  49                 echo Unreadable config fragment "$1" 1>&2
  50                 exit -1
  51         fi
  52         grep -q '^CONFIG_HOTPLUG_CPU=y$' "$1"
  53 }