tjh.dev
cifs: enable extended stats by default
CONFIG_CIFS_STATS2 can be very useful since it shows
latencies by command, and allows enabling the slow response
dynamic tracepoint which can be useful to identify
performance problems.
For example:
Total time spent processing by command. Time units are jiffies (1000 per second)
SMB3 CMD Number Total Time Fastest Slowest
-------- ------ ---------- ------- -------
0 1 2 2 2
1 2 6 2 4
2 0 0 0 0
3 4 11 2 4
4 2 16 5 11
5 4546 34104 2 487
6 4421 32901 2 487
7 0 0 0 0
8 695 2781 2 39
9 391 1708 2 27
10 0 0 0 0
11 4 6 1 2
12 0 0 0 0
13 0 0 0 0
14 3887 17696 0 128
15 0 0 0 0
16 1471 9950 1 487
17 169 2695 9 116
18 80 381 2 10
1 2 6 2 4
2 0 0 0 0
3 4 11 2 4
4 2 16 5 11
5 4546 34104 2 487
6 4421 32901 2 487
7 0 0 0 0
8 695 2781 2 39
9 391 1708 2 27
10 0 0 0 0
11 4 6 1 2
12 0 0 0 0
13 0 0 0 0
14 3887 17696 0 128
15 0 0 0 0
16 1471 9950 1 487
17 169 2695 9 116
18 80 381 2 10
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>