/*************************************************************************

# File Name: pidstat.sh

# Author: alan

# mail: lzcgwushuang@163.com

# Created Time: Thu 18 May 2017 07:14:25 AM PDT

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#!/bin/bash

# this shell show you some useful pidstat command

# No.1 list the CPU info of one specific process

pidstat -p (some pid)

# No.2 list the memory info of one specific process

pidstat -r -p (some pid)

# No.3 list the I/O info of one specific process

pidstat -d -p (some pid)

# No.4 get the process CPU utilization

pidstat -u -p (some pid)

# No.5 pidstat also accept interval option

pidstat -u -p (some pid) 3 # get the CPU info per three seconds

# No.6 pidstat alse accept the count option

pidstat -u -p (some pid) 3 5 # get the CPU info per three seconds and output result five totally