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The following is a demonstration of the iofileb.d script,
Here we run it while a tar command is backing up /var/adm,
# ./iofileb.d
Tracing... Hit Ctrl-C to end.
^C
PID CMD KB FILE
29529 tar 56 /var/adm/sa/sa31
29529 tar 56 /var/adm/sa/sa03
29529 tar 56 /var/adm/sa/sa02
29529 tar 56 /var/adm/sa/sa01
29529 tar 56 /var/adm/sa/sa04
29529 tar 56 /var/adm/sa/sa27
29529 tar 56 /var/adm/sa/sa28
29529 tar 324 /var/adm/exacct/task
29529 tar 736 /var/adm/wtmpx
In the above output, we can see that the tar command has caused 736 Kbytes
of the /var/adm/wtmpx file to be read from disk. All af the Kbyte values
measured are for disk activity.
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