1   #!/bin/bash
    2   #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
    3   # $Header: /var/log/sar/RCS/cpu,v 1.4 1997/06/19 04:31:05 dgavin Exp dgavin $
    4   #
    5   # cpu - display cpu utilization
    6   #
    7   # input - /var/log/sar/data/cpu.Mondd.yy
    8   # output- chart showing time spent in user/sys/nice states
    9   #
   10   #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
   11   #
   12   trap '/bin/rm /tmp/gnuplot.cpu.* 2>/dev/null;exit' SIGHUP SIGINT SIGQUIT SIGTERM
   13   #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
   14   #
   15   # Function definitions
   16   #
   17   #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
   18   function checkForEmpty {
   19   if [ ! -s ${1} ] ; then
   20     echo "0 0" >${1}
   21   fi
   22   return
   23   }
   24   #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
   25   #
   26   # Mainline code
   27   #
   28   #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
   29   #
   30   #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
   31   #
   32   # Variable initialization
   33   #
   34   #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
   35   HARDCOPY=""
   36   GHOSTVIEW=""
   37   CMDNAME=`basename $0`
   38   #
   39   HELP="${CMDNAME} generates X11 or hardcopy graph of cpu utilization."
   40   USAGE="${CMDNAME} [-DHLVhPp] [MonDD[.YY]]
   41     -D turns on execution tracing
   42     -H displays help info and exits
   43     -L displays RCS log and exits
   44     -V display Revision info and exits
   45     -h displays help info and exits
   46     -P Print without display
   47     -p display and offer print option
   48   
   49     MonDD.YY - day to work with, defaults to today
   50      i.e. Jun12.97 -the year will default to this year
   51   
   52   "
   53   #
   54   #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
   55   #
   56   # Parse options
   57   #
   58   #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
   59   #
   60   while getopts DHLVhPp c ; do
   61     case ${c} in
   62       h|H) echo -e "\n${HELP}\n\n${USAGE}\n"
   63          exit 1
   64          ;;
   65       p) HARDCOPY="YES"
   66          GHOSTVIEW="YES"
   67          ;;
   68       P) HARDCOPY="YES"
   69          GHOSTVIEW=""
   70          ;;
   71       D) echo "DEBUG ON"
   72          set -x
   73          DEBUG="yes"
   74          trap '' SIGHUP SIGINT SIGQUIT SIGTERM
   75          ;;
   76       L) echo '
   77   $Log: $
   78   '
   79          exit 1
   80          ;;
   81       V) echo '$Revision: $'
   82          exit 1
   83          ;;
   84       ?) echo -e "\n${USAGE}\n"
   85          exit 3
   86          ;;
   87     esac
   88   done
   89   # re-align the positional parameters as $1, $2,...
   90   shift `expr ${OPTIND} - 1`
   91   #
   92   cd /var/log/sar/data
   93   if [ $# -eq 0 ] ; then
   94    FN="cpu.`date +%b%d.%y`"
   95   else
   96    l=`echo ${1} | wc -c`
   97    l=`expr ${l} + 0`
   98    case ${l} in
   99     6) FN="cpu.${1}.`date +%y`";;
  100     9) FN="cpu.${1}";;
  101     *) echo -e "\n${CMDNAME}: Invalid date  - ${1}\n"
  102        exit
  103        ;;
  104    esac
  105   fi
  106   if [ ! -f ${FN} ] ; then
  107     echo "No such file: ${FN}"
  108     exit
  109   fi
  110   if [ ! -r ${FN} ] ; then
  111     echo "File not readable: ${FN}"
  112     exit
  113   fi
  114   if [ ! -s ${FN} ] ; then
  115     echo "File empty: ${FN}"
  116     exit
  117   fi
  118   #
  119   #     user    nice    system  idle
  120   #0940 8065221 3719924 2017086 53289599
  121   awk '
  122   BEGIN{}
  123   {
  124    if (NR == 1) {
  125      old_user = $2;
  126      old_nice = $3;
  127      old_sys = $4;
  128      old_idle = $5;
  129    } else {
  130      mm=substr($1,3,2) * .016;
  131      tim=substr($1,1,2)+mm;
  132      if ( old_user > $2 ) {
  133        user = 0;
  134        nice = 0;
  135        sys = 0;
  136        idle = 0;
  137        reboot = 100;
  138      } else {
  139        user = $2 - old_user;
  140        nice = $3 - old_nice;
  141        sys = $4 - old_sys;
  142        idle = $5 - old_idle;
  143        reboot = -1;
  144      }
  145      total = user + nice + sys + idle ;
  146      if ( user == 0 ) { puser = 0; } else { puser= (user / total) * 100;}
  147      if ( sys  == 0 ) { psys  = 0; } else { psys = (sys  / total) * 100;}
  148      if ( nice == 0 ) { pnice = 0; } else { pnice= (nice / total) * 100;}
  149      if ( idle == 0 ) { pidle = 0; } else { pidle= (idle / total) * 100;}
  150   
  151      printf("%5.2f %7.2f %7.2f %7.2f %7.2f %d\n",
  152             tim, pidle+puser+psys+pnice,
  153             puser+psys+pnice, psys+pnice, pnice,reboot) >"/tmp/gnuplot.cpu";
  154   
  155      old_user = $2;
  156      old_nice = $3;
  157      old_sys = $4;
  158      old_idle = $5;
  159    }
  160   }
  161   END{}' ${FN}
  162   #
  163   # Get system name and date of report into variables...
  164   system=`hostname -s | /usr/bin/tr "[A-Z]" "[a-z]"`
  165   sysdate=`echo ${FN} | cut -c 5-`
  166   /bin/echo "Generating plot for $system $sysdate"
  167   #
  168   # Set gnuplot variables as needed
  169   #
  170   if [ -z ${HARDCOPY} ]; then
  171     TERMINAL="set terminal X11"
  172     PAUSE="pause 10"
  173     YLABEL=""
  174   else
  175     TERMINAL='set terminal postscript landscape monochrome dashed "Times-Roman" 18
  176   set output "/tmp/gnuplot.cpu.ps"'
  177     PAUSE=""
  178     YLABEL='set ylabel "Nice|Sys|User|Idle"'
  179   fi
  180   #
  181   # Generate the plots
  182   #
  183   gnuplot <<EOF
  184   ${TERMINAL}
  185   set data style lines
  186   set nogrid
  187   set key
  188   set title "CPU Activity - $system On $sysdate"
  189   set xlabel "Time of Day"
  190   set xrange [00:24]
  191   set xtics 0,1,24
  192   ${YLABEL}
  193   set yrange [0:140]
  194   set ytics 0,10,100
  195   plot \
  196   "/tmp/gnuplot.cpu" using 1:2 title "idle" with line 1, \
  197   "/tmp/gnuplot.cpu" using 1:3 title "user" with line 3, \
  198   "/tmp/gnuplot.cpu" using 1:4 title "sys" with line 2, \
  199   "/tmp/gnuplot.cpu" using 1:5 title "nice" with line 4, \
  200   "/tmp/gnuplot.cpu" using 1:6 title "reboot" with points 2
  201   ${PAUSE}
  202   quit
  203   EOF
  204   #
  205   if [ .${HARDCOPY} = ".YES" ]; then
  206     if [ -z ${GHOSTVIEW} ] ; then
  207       lpr /tmp/gnuplot.cpu.ps
  208     else
  209       ghostview -upsidedown -landscape -magstep 0 /tmp/gnuplot.ps
  210       echo "Print ?"
  211       read ans
  212       if [ ${ans} = "y" ] ; then
  213         lpr /tmp/gnuplot.ps
  214       fi
  215     fi
  216     rm /tmp/gnuplot.cpu.ps  2>/dev/null
  217   fi
  218   # clean up the junk
  219   if [ ${DEBUG}. = "." ]; then
  220     rm /tmp/gnuplot.cpu 2>/dev/null
  221   fi