Re: [PATCH v1 2/4] misc: fastrpc: Capture kernel and DSP performance counters

[Greg KH]

On Mon, Oct 07, 2024 at 02:15:16PM +0530, Ekansh Gupta wrote:
> Add support to capture kernel performance counters for different
> kernel level operations. These counters collects the information
> for remote call and copies the information to a buffer shared
> by user.
> 
> Collection of DSP performance counters is also added as part of
> this change. DSP updates the performance information in the
> metadata which is then copied to a buffer passed by the users.

"also" usually means "should be broken up into a new patch", right?

Also, where is any of these new "performance counters" documented?  Why
not use the normal kernel apis for performance counters?

thanks,

greg k-h