Re: [PATCH 1/9] [I/OAT] DMA memcpy subsystem

From: Andrew Grover
Date: Thu Mar 30 2006 - 13:33:30 EST


On 3/30/06, Kumar Gala <galak@xxxxxxxxxxxxxxxxxxx> wrote:
> What is the utility of exporting memcpy_count, and bytes_transferred
> to userspace via sysfs? Is this really for debug (and thus should be
> under debugfs?)

Well....it's true they're useful for debugging but I would put them in
the category of system statistics that shouldn't go in debugfs. I
think they are like /proc/interrupts' interrupt counts or the TX/RX
stats reported by ifconfig.

Regards -- Andy
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