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'