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author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-09-28 14:12:21 -0700 |
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committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-12-03 10:11:10 -0800 |
commit | c87b9c601ac862b1fa41a9d759a3c05711a8391d (patch) | |
tree | 748bd3703dbf5d00fdd4009a3b49d61d8d157a83 /tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh | |
parent | Linux 3.13-rc2 (diff) | |
download | linux-dev-c87b9c601ac862b1fa41a9d759a3c05711a8391d.tar.xz linux-dev-c87b9c601ac862b1fa41a9d759a3c05711a8391d.zip |
rcutorture: Add KVM-based test framework
This commit adds the test framework that I used to test RCU under KVM.
This consists of a group of scripts and Kconfig fragments.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Diffstat (limited to '')
-rwxr-xr-x | tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh b/tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh new file mode 100755 index 000000000000..9e8b11206dcc --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh @@ -0,0 +1,45 @@ +#!/bin/bash +# +# Extract the number of CPUs expected from the specified Kconfig-file +# fragment by checking CONFIG_SMP and CONFIG_NR_CPUS. If the specified +# file gives no clue, base the number on the number of idle CPUs on +# the system. +# +# Usage: configNR_CPUS.sh config-frag +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# Copyright (C) IBM Corporation, 2013 +# +# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> + +cf=$1 +if test ! -r $cf +then + echo Unreadable config fragment $cf 1>&2 + exit -1 +fi +if grep -q '^CONFIG_SMP=n$' $cf +then + echo 1 + exit 0 +fi +if grep -q '^CONFIG_NR_CPUS=' $cf +then + grep '^CONFIG_NR_CPUS=' $cf | + sed -e 's/^CONFIG_NR_CPUS=\([0-9]*\).*$/\1/' + exit 0 +fi +cpus2use.sh |