Hi Tony, On 10/29/24 10:28 AM, Tony Luck wrote: > New read/write file to show/set the memory bandwidth event used > to control bandwidth used by each ctrl_mon group. I expected at least a verb to summarize what this patch does. > > Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx> > --- > Documentation/arch/x86/resctrl.rst | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/Documentation/arch/x86/resctrl.rst b/Documentation/arch/x86/resctrl.rst > index a824affd741d..d86081e76bbf 100644 > --- a/Documentation/arch/x86/resctrl.rst > +++ b/Documentation/arch/x86/resctrl.rst > @@ -384,6 +384,16 @@ When monitoring is enabled all MON groups will also contain: > Available only with debug option. The identifier used by hardware > for the monitor group. On x86 this is the RMID. > > +When the "mba_MBps" mount option is used all CTRL_MON groups will also contain: > + > +"mba_MBps_event": > + Reading this file shows which memory bandwidth event is used > + as input to a software feedback loop to keep memory bandwidth Since there is only one "software feedback loop" it could be specific: " ... input to the software feedback loop that keeps memory bandwidth ..." > + below the value specified in the schemata file. Writing the > + name of one of the supported memory bandwidth events found in > + /sys/fs/resctrl/info/L3_MON/monfeatures will change the input "monfeatures" -> "mon_features" "will change the input event" -> "changes the input event" (changes to document expectations wrt timing to be included) > + event. > + > Resource allocation rules > ------------------------- > Reinette
