Re: Fwd: Re: Performance figure for sx8 driver

[Mark Lord]

kallol@xxxxxxxxxxxxxx wrote:
> Hello Jeff,
>            How did you verify that performance improved making the
> changes those
> you suggested?
>
> hdparm does not show it.

My hdparm tool performs a single I/O at a time,
disregarding any kernel read-ahead that may be added on.

As such, it won't often show the effects of queued commands
as well as some other test might.

Cheers
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/