[libvirt] [PATCH v2 1/2] tests: Add script to display nodeinfo test data
The output has been modeled after that of
ppc64_cpu --info
but it's not limited to ppc64 test data.
---
tests/nodeinfodata/display.sh | 113 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 113 insertions(+)
create mode 100755 tests/nodeinfodata/display.sh
diff --git a/tests/nodeinfodata/display.sh b/tests/nodeinfodata/display.sh
new file mode 100755
index 0000000..104c9d7
--- /dev/null
+++ b/tests/nodeinfodata/display.sh
@@ -0,0 +1,113 @@
+#!/bin/bash
+
+# display.sh - Display nodeinfo test data in a nice way
+# Copyright (C) 2015 Red Hat, Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library. If not, see
+# <http://www.gnu.org/licenses/>;.
+#
+# Author: Andrea Bolognani <abologna(a)redhat.com>
+
+die() {
+ local message=$1
+
+ echo "$message" >&2
+
+ exit 1
+}
+
+list_cpus() {
+ local datadir=$1
+
+ local index
+
+ ls -d "$datadir/cpu/cpu"* | while read index; do
+ index=${index#*cpu/cpu}
+ case "$index" in
+ [0-9]*)
+ echo "$index"
+ ;;
+ esac
+ done | sort -un
+}
+
+is_online() {
+ local datadir=$1
+ local cpu=$2
+
+ local ret=1
+
+ # In some cases this file will not be available, eg. for cpu0 on an Intel
+ # system. libvirt considers such CPU to be online, and so should we
+ if test -e "$datadir/cpu/cpu$cpu/online"; then
+ ret=$(cat "$datadir/cpu/cpu$cpu/online")
+ fi
+
+ # Reverse boolean to use it as return code
+ case "$ret" in
+ 0) ret=1 ;;
+ 1) ret=0 ;;
+ esac
+
+ return $ret;
+}
+
+main() {
+ local datadir=$1
+ local threads_per_core=$2
+
+ if test "$#" -lt 2; then
+ die "Usage: $SELF DATADIR THREADS_PER_CORE"
+ fi
+ if ! test -d "$datadir"; then
+ die "$datadir: No such directory"
+ fi
+ # This also takes care of non-numeric values on the command line
+ if ! test "$threads_per_core" -gt 0 >/dev/null 2>&1; then
+ die "$threads_per_core: Must be a positive number"
+ fi
+
+ echo "Threads per core: $threads_per_core"
+
+ # This information might not be available (eg. older kernels)
+ echo -n 'Present CPUs: '
+ if test -e "$datadir/cpu/present"; then
+ cat "$datadir/cpu/present"
+ else
+ echo 'information not available'
+ fi
+
+ let core=0
+ for cpu in $(list_cpus "$datadir"); do
+
+ mod=$(expr "$cpu" % "$threads_per_core")
+ if test "$mod" -eq "0"; then
+ printf "\nCore %3d:" "$core"
+ let core++
+ fi
+
+ if is_online "$datadir" "$cpu"; then
+ printf " %4d*" "$cpu"
+ else
+ printf " %4d " "$cpu"
+ fi
+ done
+ echo
+
+ return 0
+}
+
+SELF=$0
+main "$@"
+exit $?
--
2.4.3