how to test the performance of PIO and DMA

[alvin at Maggie.Linux-Consulting.com]

hi ya chyuy

if this is ide disks...
	use hdparm for simple easy tests and watch your resulting
	transfer speed

	http://www.Linux-1U.net/Disks/hdparm.txt

c ya
alvin
http://www.Linux-1U.net ... 8x 200Gb IDE disks .. 1U Raid5[tm] ...


On Sat, 2 Feb 2002, chyyuu wrote:

> Title: how to test the performance of PIO and DMA
> hi:
>   We want to know how many bytes should take PIO mehtod or DMA method, so I want to know the performance of PIO and DMA in PCI 66MHZ/64bit. our  OS kernel is linux2.4.x, how can I do the test?
> Help me!
> 
> chenyu