1 What: /proc/diskstats
2 Date: February 2008
3 Contact: Jerome Marchand <jmarchan@redha
4 Description:
5 The /proc/diskstats file displ
6 of block devices. Each line co
7 fields:
8
9 == ==========================
10 1 major number
11 2 minor number
12 3 device name
13 4 reads completed successful
14 5 reads merged
15 6 sectors read
16 7 time spent reading (ms)
17 8 writes completed
18 9 writes merged
19 10 sectors written
20 11 time spent writing (ms)
21 12 I/Os currently in progress
22 13 time spent doing I/Os (ms)
23 14 weighted time spent doing
24 == ==========================
25
26 Kernel 4.18+ appends four more
27 tracking putting the total at
28
29 == ==========================
30 15 discards completed success
31 16 discards merged
32 17 sectors discarded
33 18 time spent discarding
34 == ==========================
35
36 Kernel 5.5+ appends two more f
37
38 == ==========================
39 19 flush requests completed s
40 20 time spent flushing
41 == ==========================
42
43 For more details refer to Docu
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