Re: [PATCH v3 00/21] x86/resctrl: Make resctrl_arch_rmid_read() return values in bytes

[Cristian Marussi]

On Fri, Apr 08, 2022 at 06:30:40PM +0100, James Morse wrote:
> Hi Cristian,
> 
> On 15/03/2022 12:10, Cristian Marussi wrote:
> > I tested this on an Intel(R) Xeon(R) Gold 5120T trying to compare gathered
> > resctrl monitor data with and without your series and see if results
> > were consistent.
> > 
> > I started from this paper [0] from Intel itself for my basic setup with
> > some minor variations:
> 
> [..]
> 
> > While doing that I collect in background (and out of node1 processors) all
> > the mon_data from the lc_cos group every 100ms and dump those in a file one
> > for each cache allocation mask. (mondata_LC_7f0_00f.txt etc)
> > 
> > I tested first against a v5.17-rc1 mainline without your series (named as
> > 5.17.0-rc1-mainline in the results) and then again with your series on top
> > (named as 5.17.0-rc1-00021-g21c69a5706a5). Got your series from [1].
> > 
> > Then I used gnuplot to see what was the 'profile' of this data with and
> > without your series by plotting the LC process llc_occupancy data against
> > time for each one of the runs with the differerent cache allocated.
> > (each colored graphs represent a different run with a different
> > cache allocation as reported)
> 
> > Hope this helps...
> 

Hi James,

> This is great, thanks!
> 
> Can I take this as a Tested-by?
> 

Sure, sorry to have forgot that :D

Tested-by: Cristian Marussi <cristian.marussi@xxxxxxx>

Thanks,
Cristian