RE: [PATCH] getdelays: show average CPU/IO/SWAP/RECLAIM delays

Satoru Moriya
2011-05-05T03:38:30Z

On 05/02/2011 10:02 AM, Wu Fengguang wrote:
> I find it very handy to show the average delays in milliseconds.
>
> Example output (on 100 concurrent dd reading sparse files):
>
> CPU count real total virtual total delay total delay average
> 986 3223509952 3207643301 38863410579 39.415ms
> IO count delay total delay average
> 0 0 0ms
> SWAP count delay total delay average
> 0 0 0ms
> RECLAIM count delay total delay average
> 1059 5131834899 4ms
> dd: read=0, write=0, cancelled_write=0
>
> CC: Mel Gorman <mel@linux.vnet.ibm.com>
> Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>

This is useful for me.

Reviewed-by: Satoru Moriya <satoru.moriya@hds.com>