Avago Technologies 3ware SAS 9750-4i - Manual (Page 120)

Chapter 2. CLI Syntax Reference
112 3ware SATA+SAS RAID Controller Card CLI Guide, Version 10.0
Example of histogram (histdata)
To display a histogram of IOPs grouped together based on response time
associated with the specified port, use command /cx/px show dpmstat
type=histdata.
//localhost> /c0/p3 show dpmstat type=histdata
Port Status Unit
------------------------------
p3 OK u0
Bin Response Time(ms) IO Count
-----------------------------------------------
1 1 0
2 2 0
3 3 0
4 4 0
5 5 0
6 6 0
7 7 0
8 8 0
9 9 0
10 10 0
11 20 204
12 30 190
13 40 161
14 50 136
15 60 130
16 70 112
17 80 94
18 90 80
19 100 540
20 200 95
21 300 42
22 400 11
23 500 2
24 600 2
25 700 0
26 800 0
27 900 0
28 1000 0
29 2000 0
30 3000 0
31 4000 0
32 5000 0
33 6000 0
34 7000 0
35 8000 0
36 9000 0
37 10000 0
38 10000+ 0