I/O Statistics Data Record

Output Format for ASCII-CSV Data › I/O Statistics Data Record

I/O Statistics Data Record

The following example commands show how to export and display I/O statistics:

$ ADVISE PERFORMANCE EXPORT /NODE=ULTRA/OUTPUT=EXP.IO/CLASS=(NODEFAULT, IO)-
_$ /BEGINNING=26-JAN-1997:14:00:00.00/ENDING=26-JAN-1997:14:02:00.00 
$ TYPE EXP.IO 
"ULTRA ", "VERS", "Vx.x", "REPORT=LOG_FILE", "Vx.x", "CPD " 
"26-JAN-1997 14:00:00.00", "26-JAN-1997 14:02:00.00", "ULTRA ", "IO", 
1.4, 0.2, 15.8, 91.6, 1066.0, 1.2, 13.8, 97.0, 
 45.4, 3.2, 3.2, 0.0 
$

Example	Data item	Description	Position	Length
1.4	w_turns	window turn operations/second	91	7
0.2	splits	split I/O operations/second	100	7
15.8	w_hits	window hits/second	109	7
91.6	w_hitr	window hits+turns/window hits	118	7
1066.0	openf	number of open files	127	7
1.2	opens	number of file open ops/sec	136	7
13.8	dirio	direct I/O operations/second	145	7
97.0	bufio	buffered I/O operations/second	154	7
45.4	lognam	logical name translations/second	163	7
3.2	mbxread	mailbox read operations/second	172	7
3.2	mbxwrites	mailbox write operations/second	181	7
0.0	erase_ios	erase I/O operations/second	190	7