[Skiboot] [PATCH v1 00/11] OPAL support for Nest instrumentation
Madhavan Srinivasan
maddy at linux.vnet.ibm.com
Mon Jun 29 04:49:36 AEST 2015
Any update on this patchset? Kindly let me know.
Maddy
On Monday 01 June 2015 07:23 AM, Madhavan Srinivasan wrote:
> Patchset adds support for Nest instrumentation services
> in OPAL. Power8 has Nest instrumentation enabled with which
> per-chip metrics like memory bandwidth, Powerbus, X link and
> A link metrics can be obtained.
>
> Patchset does two things,1) At the time of boot, it detects
> the Nest instrumentation feature and created device-tree
> entries to pass the information to kernel. Secondly, it
> implements an opal call to control the PORE Thread Scheduler
> (PTS) from kernel to start/stop Nest PMU counter collection.
> Patchset tested only in IBM Tuleta boxes.
>
> Thanks for Stewart Smith, BenH and Micheal Ellerman for feedback comments.
>
> Change log v1:
>
> 1) Removed "uncore" naming and replaced it with "nest/ima" in all the
> file and function.
> 2) Added a DT entry to pass DIMM rate information
> 3) Added nest instrumentation detection code and catalog parser function
> 4) Added support functions for different nest units.
>
> Kindly let me know your comments and feedback.
>
> Madhavan Srinivasan (11):
> ibm-fsp/firenze: nest data structure definitions
> ibm-fsp/firenze: nest feature detection
> ibm-fsp/firenze: DT entry for per-chip HOMER offset
> ibm-fsp/firenze: DT entry for DIMM rate
> ibm-fsp/firenze: Nest unit parser function
> ibm-fsp/firenze: Nest MCS unit support
> ibm-fsp/firenze: Nest PowerBus unit support
> ibm-fsp/firenze: Nest Alink unit support
> ibm-fsp/firenze: Nest Xlink unit support
> ibm-fsp/firenze: Add OPAL call to enable/disable Nest pmu
> ibm-fsp/firenze: Add init function call to involve Nest support
>
> core/init.c | 4 +
> hw/Makefile.inc | 2 +-
> hw/fsp/fsp.c | 3 +
> hw/nest.c | 451 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> include/mem-map.h | 2 +
> include/nest.h | 244 +++++++++++++++++++++++++++++
> include/opal-api.h | 3 +-
> include/platform.h | 1 +
> include/types.h | 1 +
> 9 files changed, 709 insertions(+), 2 deletions(-)
> create mode 100644 hw/nest.c
> create mode 100644 include/nest.h
>
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