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Altera_Forum's avatar
Altera_Forum
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15 years ago

Timing analysis of the I/O processes

Hello i have a device driver that comunicates with an onchip mem. I need to see how much time it takes to read and write from the onchip mem. I've put several printk's with timestamp to debug how...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Yes with such a disparity it is difficult to make any conclusions... Could you do the timing in the driver itself? By directly accessing a timestamp component using IORD/IOWR macros?