PCI: latency

[Greg KH]

On Fri, Dec 03, 2021 at 10:30:58PM +0530, Subhashini Rao Beerisetty wrote:
>  [ Please keep me in CC as I'm not subscribed to the list]
> 
> Hi all,
> 
> We are using the Linux OS on an x86_64 machine. I need to measure the
> PCIe latency on my system, does kernel have any latency measurement
> module for the PCIe bus?

How exactly are you going to define PCIe latency?

And what is this going to be used for?

thanks,

greg k-h