[RFC][PATCH] Track time spent in each command

[Pavel Shilovsky]

вт, 26 мар. 2019 г. в 11:55, Steve French <smfrench at gmail.com>:
>
> How about this updated patch - note how I now display min/max
> (although min in this case will always be zero since jiffies are
> pretty coarse granularity - maybe would be more helpful to run this
> example over a slow link, or I could just make the patch simpler and
> not save the minimum time for each command).  Note that the new stats
> begin with the line "Total time spent processing by command ..."
>
>
>
>
> $ cat /proc/fs/cifs/Stats
> Resources in use
> CIFS Session: 1
> Share (unique mount targets): 3
> SMB Request/Response Buffer: 1 Pool size: 5
> SMB Small Req/Resp Buffer: 1 Pool size: 30
> Total Large 38854 Small 1039857 Allocations
> Operations (MIDs): 0
>
> 0 session 0 share reconnects
> Total vfs operations: 272653 maximum at one time: 3
>
> Total time spent processing by command. Time units are jiffies (250 per second)
>   SMB3 CMD    Number    Total Time    Fastest    Slowest
>   --------    ------    ----------    -------    -------
>   0        1    1        1    1
>   1        2    1        0    1
>   2        0    0        0    0
>   3        6    1        0    1
>   4        3    0        0    0
>   5        95353    5163        0    12
>   6        95314    3012        0    1
>   7        2    2        1    1
>   8        4263    57        0    1
>   9        1101    33        0    1
>   10        0    0        0    0
>   11        16    0        0    0
>   12        0    0        0    0
>   13        0    0        0    0
>   14        121    37        0    1
>   15        0    0        0    0
>   16        56357    1100        0    1
>   17        16703    1089        0    1
>   18        0    0        0    0


Looks good. Probably "SMB3 CMD" should be just "CMD" and extra tabs
are needed for proper indentation.

--
Best regards,
Pavel Shilovsky