Re: [PATCH V2] perf/x86/intel/uncore: Querying number of CHAs from CAPID6 register

2018-03-13 Thread Liang, Kan
On 3/13/2018 4:24 PM, Kroening, Gary wrote: I've tested this patch on the same set of hubless (single-segment) and scalable (segment-per-socket) configurations as for Kan's version 1. As far as we can tell this will also work for Cascade Lake, but will need revisiting for Ice Lake. For

Re: [PATCH V2] perf/x86/intel/uncore: Querying number of CHAs from CAPID6 register

2018-03-13 Thread Liang, Kan
On 3/13/2018 4:24 PM, Kroening, Gary wrote: I've tested this patch on the same set of hubless (single-segment) and scalable (segment-per-socket) configurations as for Kan's version 1. As far as we can tell this will also work for Cascade Lake, but will need revisiting for Ice Lake. For

Re: [PATCH V2] perf/x86/intel/uncore: Querying number of CHAs from CAPID6 register

2018-03-13 Thread Andy Shevchenko
On Tue, Mar 13, 2018 at 8:51 PM, wrote: > From: Kan Liang > > The number of CHAs is miscalculated on multi PCI domain systems on > Skylake server. > > (From Kroening, Gary: > > For systems with a single PCI segment, it is sufficient to look

Re: [PATCH V2] perf/x86/intel/uncore: Querying number of CHAs from CAPID6 register

2018-03-13 Thread Andy Shevchenko
On Tue, Mar 13, 2018 at 8:51 PM, wrote: > From: Kan Liang > > The number of CHAs is miscalculated on multi PCI domain systems on > Skylake server. > > (From Kroening, Gary: > > For systems with a single PCI segment, it is sufficient to look for the > bus number to change in order to determine

RE: [PATCH V2] perf/x86/intel/uncore: Querying number of CHAs from CAPID6 register

2018-03-13 Thread Kroening, Gary
I've tested this patch on the same set of hubless (single-segment) and scalable (segment-per-socket) configurations as for Kan's version 1. As far as we can tell this will also work for Cascade Lake, but will need revisiting for Ice Lake. Thanks. Gary > -Original Message- > From:

RE: [PATCH V2] perf/x86/intel/uncore: Querying number of CHAs from CAPID6 register

2018-03-13 Thread Kroening, Gary
I've tested this patch on the same set of hubless (single-segment) and scalable (segment-per-socket) configurations as for Kan's version 1. As far as we can tell this will also work for Cascade Lake, but will need revisiting for Ice Lake. Thanks. Gary > -Original Message- > From: