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[Xen-devel] [PATCH 14/27] ts-kernbench-build: prep the environment for running kernbench

by shipping the benchmark (it's just a script) and the linux
kernel sources to the target. The dependences installed are
the ones required to build a linux kernel, plus a few more
packages required by the kernbench script.

As for the unixbench equivalent, this accepts two parametrs,
in the form 'host=somehost someguest'. If only the first one is
provided, it must be 'host=somehost', and the script will prep
the host.

This also installs some packages so, if host sharing is to
be allowed (which, BTW, is highly *not* recommended), the
following patch from Ian Campbell is required:


Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Cc: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
 ts-kernbench-build |   86 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100755 ts-kernbench-build

diff --git a/ts-kernbench-build b/ts-kernbench-build
new file mode 100755
index 0000000..eea844c
--- /dev/null
+++ b/ts-kernbench-build
@@ -0,0 +1,86 @@
+#!/usr/bin/perl -w
+# This is part of "osstest", an automated testing framework for Xen.
+# Copyright (C) 2009-2014 Citrix Inc.
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 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
+# GNU Affero General Public License for more details.
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+use strict qw(vars);
+use DBI;
+use Osstest;
+use Osstest::TestSupport;
+use File::Basename;
+# what we expect as argument list is:
+#  host=<somehost> [<someguest>]
+our ($whhost,$gn) = @ARGV;
+$whhost ||= 'host';
+our $ho= selecthost($whhost);
+our $gho= $ho;
+if (defined $gn and $gn ne "") {
+  $gho= selectguest($gn, $ho);
+  my $err= guest_check_ip($gho);
+  die "$err $gho->{Name}" if defined $err;
+# By default, we expect to find kernbench 0,50, stored in
+# $c{Images}/benchs/kernbench. To use something different, define
+# r{'kernbench_file'}.
+our $kernbench_file= (defined($r{'kernbench_file'})) ? $r{'kernbench_file'} :
+    "$c{Images}/benchs/kernbench";
+# We also assume to find the linux kernel archive to be used for the benchmark
+# in $c{Images}benchs/linux.xz. To use something different, define
+# $r{'kernbench_kern_file'}.
+our $kernbench_linux_file= (defined($r{'kernbench_kern_file'})) ?
+    $r{'kernbench_kern_file'} : "$c{Images}/benchs/linux.xz";
+# Some deps...
+sub install_deps() {
+  target_install_packages_norec($gho, qw(build-essential time bc));
+# Ship the benchmark and the linux kernel archive to the target machine
+sub ship() {
+  logm("Shipping $kernbench_file and $kernbench_linux_file");
+  target_putfile_root($gho, 60, "$kernbench_file", "/root/kernbench");
+  target_putfile_root($gho, 200, "$kernbench_linux_file", "/root/");
+  our $kernbench_linux_filename= basename($kernbench_linux_file);
+  logm("Extracting $kernbench_linux_filename");
+  target_cmd_root($gho, <<END, 200);
+      set -ex
+      chmod +x /root/kernbench
+      rm -rf /root/linux-kernbench
+      mkdir /root/linux-kernbench
+      tar xaf /root/$kernbench_linux_filename -C /root/linux-kernbench 
+sub prep() {
+  # We use 'alldefconfig', to stress the system a bit more
+  # (default would be 'allnoconfig').
+  target_cmd_root($gho, <<END, 200);
+      set -ex
+      cd /root/linux-kernbench
+      make mrproper
+      make alldefconfig

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