1 #!/bin/sh

     2 

     3 # Companion to jvm-stat-make to obtain actual value from dumped statistics.

     4 # Invocation:

     5 # jvm-jstat-get <name> <stat> <field>

     6 #	where	name is symbolic name (service name etc.),

     7 #		stat is statistic name (stats file) and

     8 #		field number (from 1) to be returned

     9 

    10 if [ -z "$1" -o -z "$2" -o -z "$3" ]; then

    11 	echo -e "Missing service name, stat or field"

    12 	exit 1

    13 fi

    14 

    15 UID=`id -u`

    16 N=$1

    17 STAT=$2

    18 FIELD=$3

    19 

    20 D=/tmp/jvm-jstat-$UID-$N

    21 

    22 [ -d $D ] || exit 1;

    23 

    24 tail -1 $D/$STAT | awk '{print $'$FIELD'}'