Re: [Xen-devel] [RFC PATCH 3/7] xen: psr: reserve an RMID for each core

2015-04-08 Thread Dario Faggioli
On Wed, 2015-04-08 at 14:28 +0100, George Dunlap wrote: > On 04/04/2015 03:14 AM, Dario Faggioli wrote: > > This allows for a new item to be passed as part of the psr= > > boot option: "percpu_cmt". If that is specified, Xen tries, > > at boot time, to associate an RMID to each core. > > > > XXX T

Re: [Xen-devel] [RFC PATCH 3/7] xen: psr: reserve an RMID for each core

2015-04-08 Thread George Dunlap
On 04/04/2015 03:14 AM, Dario Faggioli wrote: > This allows for a new item to be passed as part of the psr= > boot option: "percpu_cmt". If that is specified, Xen tries, > at boot time, to associate an RMID to each core. > > XXX This all looks rather straightforward, if it weren't > for the fa

Re: [Xen-devel] [RFC PATCH 3/7] xen: psr: reserve an RMID for each core

2015-04-07 Thread Konrad Rzeszutek Wilk
On Tue, Apr 07, 2015 at 10:19:22AM +, Dario Faggioli wrote: > On Mon, 2015-04-06 at 09:59 -0400, Konrad Rzeszutek Wilk wrote: > > On Sat, Apr 04, 2015 at 04:14:41AM +0200, Dario Faggioli wrote: > > > > XXX Another idea I just have is to allow the user to > > > somehow specify a different '

Re: [Xen-devel] [RFC PATCH 3/7] xen: psr: reserve an RMID for each core

2015-04-07 Thread Dario Faggioli
On Mon, 2015-04-06 at 09:59 -0400, Konrad Rzeszutek Wilk wrote: > On Sat, Apr 04, 2015 at 04:14:41AM +0200, Dario Faggioli wrote: > > XXX Another idea I just have is to allow the user to > > somehow specify a different 'granularity'. Something > > like allowing 'percpu_cmt'|'percore_cmt'|'

Re: [Xen-devel] [RFC PATCH 3/7] xen: psr: reserve an RMID for each core

2015-04-07 Thread Dario Faggioli
On Tue, 2015-04-07 at 16:24 +0800, Chao Peng wrote: > On Sat, Apr 04, 2015 at 04:14:41AM +0200, Dario Faggioli wrote: > > 'persocket_cmt' would basically only allow to track the > > amount of free L3 on each socket (by subtracting the > > monitored value from the total). Again, still b

Re: [Xen-devel] [RFC PATCH 3/7] xen: psr: reserve an RMID for each core

2015-04-07 Thread Chao Peng
On Sat, Apr 04, 2015 at 04:14:41AM +0200, Dario Faggioli wrote: > This allows for a new item to be passed as part of the psr= > boot option: "percpu_cmt". If that is specified, Xen tries, > at boot time, to associate an RMID to each core. > > XXX This all looks rather straightforward, if it weren'

Re: [Xen-devel] [RFC PATCH 3/7] xen: psr: reserve an RMID for each core

2015-04-06 Thread Konrad Rzeszutek Wilk
On Sat, Apr 04, 2015 at 04:14:41AM +0200, Dario Faggioli wrote: > This allows for a new item to be passed as part of the psr= > boot option: "percpu_cmt". If that is specified, Xen tries, > at boot time, to associate an RMID to each core. > > XXX This all looks rather straightforward, if it weren'

[Xen-devel] [RFC PATCH 3/7] xen: psr: reserve an RMID for each core

2015-04-03 Thread Dario Faggioli
This allows for a new item to be passed as part of the psr= boot option: "percpu_cmt". If that is specified, Xen tries, at boot time, to associate an RMID to each core. XXX This all looks rather straightforward, if it weren't for the fact that it is, apparently, more common than I though t