本例是按cron机制运行设计的，安排它在每天系统繁忙时进行监控，以便对系统的资源分配，参数设置进行分析和合理调整。用shell实现informix的性能监控，并以html格式输出，直观方便。适合informix系统初建时监控系统性能。
#!/bin/ksh
#ScriptName:getgloinfo
#定义环境变量
INFORMIXDIR=/usr/informix
INFORMIXSERVER=server0
ONCONFIG=onconfig.server0
PATH=$PATH:$INFORMIXDIR/bin
export INFORMIXDIR INFORMIXSERVER ONCONFIG PATH
LOGG=$INFORMIXDIR/log
#建立数据存放目录
YUE=`date +%Y%m`
if [ ! -d ${LOGG}/${YUE} ]
then
mkdir ${LOGG}/html/${YUE} >;/dev/null 2>;&1
mkdir ${LOGG}/data/${YUE} >;/dev/null 2>;&1
fi
#准备临时数据目录
TMP=/tmp/GLO;mkdir $TMP
#数据文件名：格式MMDD-HHMM
D=`/bin/date +%m%d-%H%M`
GLODAT=${LOGG}/data/${YUE}/${D}.glo
tdir=${LOGG}/html/${YUE}
bname=`/bin/basename $GLODAT`
umask 133
#采集数据
getdata(){
#提取统计项目
onstat -g glo|awk '{print $3}'|sed -e '1,/^class/d' -e '/^$/d'|sed '$d' >;${TMP}/glotmp
#采集数据:时间间隔100秒
for i in 1 2 3 4 5 6 7
do
onstat -g glo|awk '{print $6}'|sed -e '1,/total/d' -e '/^$/d' >;${TMP}/glo.$i
paste ${TMP}/glotmp ${TMP}/glo.${i} >;${TMP}/glo.$$
mv ${TMP}/glo.$$ ${TMP}/glotmp
[ $i -lt 7 ] && sleep 100
done
awk '{printf"%s ",$1;for(i=2;i<9;printf"%.2f ",$i++);
for(i=3;i<9;i++)printf"%.2f ",($i-$(i-1));
for(i=4;i<9;i++)printf"%.2f ",($i-$2);printf"\n"}' ${TMP}/glotmp
}
body(){
cat $GLODAT|while read line
do
printf "<tr align=\"center\" valign=\"middle\">;<font size=\"1\">;\n"
set $line
j=0
for i in $*
do
if [ "$j" != "0" ]
then
printf " <td>;%.2f</td>;\n" $i
else
printf " <td>;%s</td>;\n" $i
fi
j=j+1
done
printf "</tr>;\n"
done
}
header(){
cat - <<!
<html>;
<body>;
<table width="95%" border="1" align="center" bordercolorlight="#FFCCCC" bordercolordark="#FF6633">;
<CAPTION>;<FONT SIZE=+2>;<b>;${bname}</b>;</FONT>;</CAPTION>;
<tr align="center" valign="middle">;<font face="宋体">;
<td rowspan=2>;<font size=2>;vps(parallels的虚拟机平台)</font>;</td>;
<td colspan=7>;<font size=+2>;原始数据(onstat -g glo)</font>;</td>;
<td colspan=6>;<font size=+2>;资源利用率(%)</font>;</td>;
<td colspan=5>;<font size=+2>;累计利用量(秒)</font>;</td>;
</tr>;
<tr align="center" valign="middle">;<font size="1">;
<td>;A</td>;
<td>;B</td>;
<td>;C</td>;
<td>;D</td>;
<td>;E</td>;
<td>;F</td>;
<td>;G</td>;
<td>;时段一</td>;
<td>;时段二</td>;
<td>;时段三</td>;
<td>;时段四</td>;
<td>;时段五</td>;
<td>;时段六</td>;
<td>;200秒</td>;
<td>;300秒</td>;
<td>;400秒</td>;
<td>;500秒</td>;
<td>;600秒</td>;
</tr>;
!
}
tailer(){
D=`date +%Y/%m/%d-%H:%M`
cat - <<!
</table>;
<p>;<font size="1">;Report Date:${D}</font>;</p>;
</html>;
!
}
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