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100

101

15.5

InForm OS Version 2.2.4 Command Line Interface Reference

EXAMPLES

The following example displays one iteration of a histogram of service times for system

chunklets:

For the previous example, before the

histch command was issued, the setstatch start

command was issued for chunklets 0 and 1 on logical disks

admin.usr.0, tp–0–sa–0.1,

and tp–0–sa–0.0.

NOTES

■ The setstatch command must be issued to enable statistics collection on chunklets

before issuing the

histch command. See setstatch on page 21.65 for additional

information.

■ Each service time histogram column shows the number of accesses with service times

between the time shown in the column's heading to the time shown in the heading of the

column to its right (or infinity for the last column).

■ Each I/O size histogram column shows the number of accesses with I/O size between the

size shown in the column's heading to the size shown in the heading of the column to its

right (or infinity for the last column).

cli% histch –iter 1

12:42:57 10/20/04 ------------Time (millisec)------------

Ldid Ldname LdCh Pdid PdCh 0.26 0.53 1.05 2.1 4.2 8.4 17 34 67 135

2 tp–0–sa–0.0 1 21 0 0 0 0 0 0 0 0 0 0 0

2 tp–0–sa–0.0 0 45 0 0 0 0 0 0 0 0 0 0 0

1 tp–0–sa–0.1 1 20 0 0 0 0 0 0 1 0 0 0 0

1 tp–0–sa–0.1 0 42 0 0 0 0 0 0 1 0 0 0 0

0 admin.usr.0 1 22 3 0 0 0 1 0 3 2 0 0 0

0 admin.usr.0 0 44 3 0 0 0 0 1 3 2 0 0 0

-----------------------------------------------------------------------

total 0 0 0 1 1 8 4 0 0 0

1 2 ... 220 221 222 223 224 225 226 227 228 229 230 ... 717 718

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