ts-unixbench-reslts: for retrieving the results

and store them in $c{Stash}, in a file named according
to the following convention:

 $hostname--$benchname-$benchparams

i.e., something like this:

 debian--unixbench-i3-c2

Signed-off-by: Dario Faggioli <dario.faggioli@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Cc: Ian Campbell <Ian.Campbell@citrix.com>
Cc: Ian Jackson <Ian.Jackson@eu.citrix.com>
---
Changes from RFCv1:
 * use target_getfile_root_stash, as suggested during review;

diff --git a/ts-unixbench-reslts b/ts-unixbench-reslts
new file mode 100755 (executable)
index 0000000..6e5a9a8
--- /dev/null
+++ b/ts-unixbench-reslts
@@ -0,0 +1,67 @@
+#!/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
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# 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 Osstest;
+use DBI;
+use IO::File;
+use POSIX;
+use Osstest::TestSupport;
+
+tsreadconfig();
+
+# 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;
+}
+
+our $run_id= (defined($r{'unixbench_run_id'})) ?
+      $r{'unixbench_run_id'} : '01';
+
+our $lresfile= $r{'unixbench_params'};
+$lresfile =~ tr/ //ds;
+$lresfile .= (defined($r{'unixbench_run_suffix'})) ?
+      $r{'unixbench_run_suffix'} : '';
+$lresfile = "unixbench$lresfile";
+
+# Unixbench stores results in a subdirectory called 'results'. The file name
+# is made up out of the box's hostname, today's date and a progressive id
+# (e.g., results/benny-2014-07-02-01).
+sub fetch() {
+  my $rresults_dir= "/root/unixbench/results";
+  my $gho_hostname= target_cmd_output_root($gho, 'hostname');
+  my $resultspat= "$rresults_dir/$gho_hostname*-$run_id";
+
+  my $rresfile= target_cmd_output_root($gho, <<END);
+    chmod a+r $resultspat 2>&1 ||:
+    echo $resultspat
+END
+
+  logm("Fetching $rresfile from $gho_hostname");
+  target_getfile_root_stash($gho, 60, "$rresfile",
+      "$lresfile");
+}
+
+fetch();