Paul E. McKenney | c87b9c6 | 2013-09-28 14:12:21 -0700 | [diff] [blame] | 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 | |
Paul E. McKenney | 0cc2441 | 2013-09-29 20:22:32 -0700 | [diff] [blame] | 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 | |
Paul E. McKenney | c87b9c6 | 2013-09-28 14:12:21 -0700 | [diff] [blame] | 43 | # configfrag_hotplug_cpu config-fragment-file |
| 44 | # |
| 45 | # Returns 1 if the config fragment specifies hotplug CPU. |
| 46 | configfrag_hotplug_cpu () { |
Paul E. McKenney | 4275be8 | 2013-09-29 11:13:46 -0700 | [diff] [blame] | 47 | if test ! -r "$1" |
Paul E. McKenney | c87b9c6 | 2013-09-28 14:12:21 -0700 | [diff] [blame] | 48 | then |
Paul E. McKenney | 4275be8 | 2013-09-29 11:13:46 -0700 | [diff] [blame] | 49 | echo Unreadable config fragment "$1" 1>&2 |
Paul E. McKenney | c87b9c6 | 2013-09-28 14:12:21 -0700 | [diff] [blame] | 50 | exit -1 |
| 51 | fi |
Paul E. McKenney | 4275be8 | 2013-09-29 11:13:46 -0700 | [diff] [blame] | 52 | grep -q '^CONFIG_HOTPLUG_CPU=y$' "$1" |
Paul E. McKenney | c87b9c6 | 2013-09-28 14:12:21 -0700 | [diff] [blame] | 53 | } |
Paul E. McKenney | 4f8a031 | 2013-09-30 17:17:57 -0700 | [diff] [blame^] | 54 | |
| 55 | # identify_qemu builddir |
| 56 | # |
| 57 | # Returns our best guess as to which qemu command is appropriate for |
| 58 | # the kernel at hand. Override with the RCU_QEMU_CMD environment variable. |
| 59 | identify_qemu () { |
| 60 | local u="`file "$1"`" |
| 61 | if test -n "$RCU_QEMU_CMD" |
| 62 | then |
| 63 | echo $RCU_QEMU_CMD |
| 64 | elif echo $u | grep -q x86-64 |
| 65 | then |
| 66 | echo qemu-system-x86_64 |
| 67 | elif echo $u | grep -q "Intel 80386" |
| 68 | then |
| 69 | echo qemu-system-i386 |
| 70 | elif uname -a | grep -q ppc64 |
| 71 | then |
| 72 | echo qemu-system-ppc64 |
| 73 | else |
| 74 | echo Cannot figure out what qemu command to use! 1>&2 |
| 75 | # Usually this will be one of /usr/bin/qemu-system-* |
| 76 | # Use RCU_QEMU_CMD environment variable or appropriate |
| 77 | # argument to top-level script. |
| 78 | exit 1 |
| 79 | fi |
| 80 | } |