Merge "Add a bash script to show CPU details"

linux/cpu-cores-show.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+#
+# Copyright 2016 Workday, Inc. All Rights Reserved.
+#
+# Author: Edgar Magana <edgar.magana@workday.com>
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# This script decodes the information in /proc/cpuinfo and
+# produces a human readable version displaying:
+# - Total number of physical CPUs
+# - Total number of logical CPUs
+# - Model of the chipset
+#
+
+# Default linux file for CPU information
+CPUFILE=/proc/cpuinfo
+
+NUMPHY=`grep "physical id" $CPUFILE | sort -u | wc -l`
+NUMLOG=`grep "processor" $CPUFILE | wc -l`
+
+if [ $NUMPHY -eq 1 ]; then
+    echo This system has one physical CPU,
+else
+    echo This system has $NUMPHY physical CPUs,
+fi
+
+if [ $NUMLOG -gt 1 ]; then
+    echo and $NUMLOG logical CPUs
+    NUMCORE=`grep "core id" $CPUFILE | sort -u | wc -l`
+    if [ $NUMCORE -gt 1 ]; then
+        echo For every physical CPU there are $NUMCORE cores.
+    fi
+    else
+        echo and one logical CPU.
+fi
+
+echo -n The CPU is a `grep "model name" $CPUFILE | sort -u | cut -d : -f 2-`
+echo " with`grep "cache size" $CPUFILE | sort -u | cut -d : -f 2-` cache"