76 lines
3.3 KiB
Plaintext
76 lines
3.3 KiB
Plaintext
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#!/bin/ksh
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################################################################################
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##
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## File name: heapdump_dissect
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## Purpose: Dissecting heapdump
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##
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## Author: Riyaj Shamsudeen
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## Copyright: GNU public license
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##
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## Uage 2) run ./heapdump_dissect <heapdump tracefile name>
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## For example: ./heapdump_dissect ORCL_ora_4345.trc
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##
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## Other: Only take heapdumps when you know what you're doing!
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## Taking a heapdump on shared pool (when bit 2 in heapdump event
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## level is enabled) can hang your database for a while as it
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## holds shared pool latches for a long time if your shared pool
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## is big and heavily active.
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##
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## Thanks to: Tanel Poder for his original tool heapdump_analyzer
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##
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##
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################################################################################
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echo
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echo " -- Heapdump dissect v1.00 by Riyaj Shamsudeen"
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echo " -- Based upon Tanel's script heapdump_analyzer http://www.tanelpoder.com/files/scripts/heapdump_analyzer "
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echo
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echo " This script creates two files in /tmp/ directory "
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echo " 1. /tmp/heapdump_dissect.lst - temporary file "
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echo " 2. /tmp/heapdump_summary.lst - heap dump summary "
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cat $1 | awk '
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/^HEAP DUMP heap name=/ { split($0,ht,"\""); HTYPE=ht[2]; doPrintOut = 1; }
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/^EXTENT/ { EXT=$1" " $2; }
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/Chunk/{ if ( doPrintOut == 1 ) {
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split($0,sf,"\"");
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printf "%16s| %16s| %16s| %16s| %10d\n", HTYPE, EXT, $5, sf[2], $4;
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}
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}
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/Total heap size/ {
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printf "%10d , %16s, %16s, %16s\n", $5, HTYPE, "TOTAL", "Total heap size";
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doPrintOut=0;
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}
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' |grep EXTENT|sort >/tmp/heapdump_dissect.lst
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echo "Sub heap/type summary " > /tmp/heapdump_summary.lst
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echo "----------------------" >>/tmp/heapdump_summary.lst
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echo "Sub heap Type Size" >>/tmp/heapdump_summary.lst
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echo "---------------- ----------------- ---------" >>/tmp/heapdump_summary.lst
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cat /tmp/heapdump_dissect.lst | grep EXTENT|awk '
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BEGIN { FS="|"}
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{ SizeOfElem [ $1 " " $3 ]+=$5;}
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END { for ( i in SizeOfElem ) { print i " " SizeOfElem [i]; } }
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'|sort >> /tmp/heapdump_summary.lst
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echo "Sub heap level summary " >> /tmp/heapdump_summary.lst
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echo "----------------------" >>/tmp/heapdump_summary.lst
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echo "Sub heap Type Allocation cmt Size" >>/tmp/heapdump_summary.lst
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echo "---------------- ----------------- --------------- --------" >>/tmp/heapdump_summary.lst
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cat /tmp/heapdump_dissect.lst | grep EXTENT|awk '
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BEGIN { FS="|"}
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{ SizeOfElem [ $1 " " $3 " " $4 ]+=$5;}
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END { for ( i in SizeOfElem ) { print i " " SizeOfElem [i]; } }
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'|sort >> /tmp/heapdump_summary.lst
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echo "Extent level summary " >> /tmp/heapdump_summary.lst
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echo "------------------ " >> /tmp/heapdump_summary.lst
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echo "Sub heap Extent Type Allocation cmt Size" >>/tmp/heapdump_summary.lst
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echo "---------------- ----------------- --------------- -------------- --------" >>/tmp/heapdump_summary.lst
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cat /tmp/heapdump_dissect.lst | awk '
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BEGIN { FS="|"}
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{ SizeOfElem [ $1 " " $2 " " $3 " " $4 ]+=$5;}
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END { for ( i in SizeOfElem ) { print i " " SizeOfElem [i]; } }
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'|sort >> /tmp/heapdump_summary.lst
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echo
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