Check if hosts have SMT based on the number of threads per core. A
value of threads per core different than 0 implies SMT support.
Signed-off-by: Roger Pau Monné <roger....@citrix.com>
---
sg-run-job | 1 +
ts-examine-cpu | 32 ++++++++++++++++++++++++++++++++
2 files changed, 33 insertions(+)
create mode 100755 ts-examine-cpu
diff --git a/sg-run-job b/sg-run-job
index 97011843..aa7953ac 100755
--- a/sg-run-job
+++ b/sg-run-job
@@ -679,6 +679,7 @@ proc examine-host-examine {install} {
if {$ok} {
run-ts -. = ts-examine-serial-post + host
run-ts . = ts-examine-iommu + host
+ run-ts . = ts-examine-cpu + host
run-ts . = ts-examine-logs-save + host
run-ts . = ts-examine-hostprops-save
}
diff --git a/ts-examine-cpu b/ts-examine-cpu
new file mode 100755
index 00000000..98ffab59
--- /dev/null
+++ b/ts-examine-cpu
@@ -0,0 +1,32 @@
+#!/usr/bin/perl -w
+# This is part of "osstest", an automated testing framework for Xen.
+# Copyright (C) 2009-2020 Citrix Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+use strict qw(vars);
+BEGIN { unshift @INC, qw(.); }
+use Osstest;
+use Osstest::TestSupport;
+
+tsreadconfig();
+
+our ($whhost) = @ARGV;
+$whhost ||= 'host';
+our $ho= selecthost($whhost);
+our $info = target_cmd_output_root($ho, 'xl info', 10);
+our $threads = $info =~ s/^threads_per_core\s*:.*\s//;
+
+logm("$ho->{Ident} threads per core: $threads");
+hostflag_putative_record($ho, "smt", !!$threads);
--
2.26.0
