sysbench scripts (13)

     衔接上文，以下是analyze文件夹下的脚本。

    13、analyze_innodb_log_flushed_fallbehind.sh脚本

#! /bin/sh############################################################ Copyright (c) 2012, Heng.Wang. All rights reserved.## This program is used to analyze the dirty pages ratio.############################################################ set -x# Get the key value of input arguments format like '--args=value'.get_key_value(){    echo "$1" | sed 's/^--[a-zA-Z_-]*=//'     }# Usage will be helpful when you need to input the valid arguments.usage(){cat <<EOFUsage: $0 [configure-options]  -?, --help                       Show this help message.  --input=<>                       Set the input file path.  --outputdir=<>                   Set the output directory.  Note: this script is intended for internal use by developers.EOF}# Print the default value of the arguments of the script.print_default(){cat <<EOF  The default value of the variables:  input             $INPUT  outputdir         $OUTPUTDIREOF}# Parse the input arguments and get the value of the input argument.parse_options(){  while test $# -gt 0  do    case "$1" in        --input=*)      INPUT=`get_key_value "$1"`;;    --outputdir=*)      OUTPUTDIR=`get_key_value "$1"`;;    -? | --help)      usage      print_default      exit 0;;    *)      echo "Unknown option '$1'"      exit 1;;    esac    shift  done}#################################################################INPUT=""OUTPUTDIR=/opt/resultparse_options "$@"if [ -z $INPUT ]then   echo "Please give the input file address!"  exit -1fiif [ -f $INPUT ]then  [[ -d $OUTPUTDIR ]] || mkdir -p $OUTPUTDIR    dir1=`dirname $INPUT`  dir2=`dirname $dir1`    cat $INPUT | awk ' BEGIN { } /Log sequence number/ {st=$4 } /Log flushed up to/ \  { ed=$5; print (st-ed) } ' > $OUTPUTDIR/log_flushed_fallbehind_${dir2##*/}_${dir1##*/}.resultelse  echo "The input file is not exist!"  echo "Please be double check the input file!"  exit -1fi