Adding new command: foamGetSystemInfo

bin/foamGetSystemInfo

@@ -0,0 +1,111 @@
+#!/bin/bash
+#------------------------------------------------------------------------------
+# =========                 |
+# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+#  \\    /   O peration     |
+#   \\  /    A nd           | Copyright held by original author
+#    \\/     M anipulation  |
+#------------------------------------------------------------------------------
+# License
+#     This file is part of OpenFOAM.
+#
+#     OpenFOAM 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.
+#
+#     OpenFOAM 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 OpenFOAM; if not, write to the Free Software Foundation,
+#     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+# Script
+#     foamGetSystemInfo
+#
+# Description
+#     return system information about running host/system
+#
+# Author:
+#     Martin Beaudoin, Hydro-Quebec, (2013)
+#
+#------------------------------------------------------------------------------
+usage()
+{
+    while [ "$#" -ge 1 ]; do echo "$1"; shift; done
+    cat<<USAGE
+
+usage: ${0##*/} [OPTION]
+options:
+  -nbrCores  return the number of cores present
+  -osInfo [default] return operating system information
+
+* return system information about the running host/system.
+
+USAGE
+    exit 1
+}
+
+# Basic operating system information
+getOperatingSystemInfo()
+{
+    echo `uname -a`
+}
+
+# Number of cores
+getNbrCores()
+{
+    # Minimal number of cores. Can be as low as 1 on virtual machines
+    nbrCores=1
+
+    # First choice above all: using lstopo from the hwloc package
+    if command -v lstopo >/dev/null; then
+	nbrCores=`lstopo --of console | grep -c Core`
+    else
+        # Using some architecture specific heuristics
+	case `uname -s` in
+	    Linux)
+	        # Warning: this will be wrong if Hyperthreading is enable
+		nbrCores=`grep -c processor /proc/cpuinfo`
+		;;
+	    Darwin)
+		nbrCores=`sysctl -n hw.physicalcpu`
+		;;
+	esac
+    fi
+    echo $nbrCores
+}
+
+# If no options present, return basic information on operating system
+if [ "$#" -eq 0 ]
+then
+    getOperatingSystemInfo
+    exit
+fi
+
+# parse options
+while [ "$#" -gt 0 ]
+do
+    case "$1" in
+    -h | -help)
+        usage
+        ;;
+    -osInfo)
+        getOperatingSystemInfo
+        shift
+        ;;
+    -nbrCores)
+        getNbrCores
+        shift
+        ;;
+    *)
+        usage "unknown option/argument: '$*'"
+        ;;
+    esac
+done
+
+
+#------------------------------------------------------------------------------