[PATCH V6 0/2] tools/perf: Add extended regs support for powerpc

[Athira Rajeev <atrajeev@linux.vnet.ibm.com>]

Patch set to add perf tools support for perf extended register capability
in powerpc. 

Patch 1/2 adds extended regs for power9 ( mmcr0, mmcr1 and mmcr2 )
to sample_reg_mask in the tool side to use with `-I?`.
Patch 2/2 adds extended regs for power10 ( mmcr3, sier2, sier3)
to sample_reg_mask in the tool side.

Ravi bangoria found an issue with `perf record -I` while testing the
changes. The same issue is currently being worked on here:
https://lkml.org/lkml/2020/7/19/413 and will be resolved once fix
from Jin Yao is merged.

This includes the perf tools side changes to support extended regs.
kernel side changes are sent as separate patchset.

Changelog:
Changes from v5 -> v6
- Split perf tools side changes to one patchset as suggested by
  Arnaldo
  Link to previous series:
  https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=192624

Changes from v4 -> v5
- initialize `perf_reg_extended_max` to work on
  all platforms as suggested by Ravi Bangoria
- Added Reviewed-and-Tested-by from Ravi Bangoria

Changes from v3 -> v4
- Split the series and send extended regs as separate patch set here.
  Link to previous series :
  https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=190462&state=*
  Other PMU patches are already merged in powerpc/next.

- Fixed kernel build issue when using config having
  CONFIG_PERF_EVENTS set and without CONFIG_PPC_PERF_CTRS
  reported by kernel build bot.
- Included Reviewed-by from Kajol Jain.
- Addressed review comments from Ravi Bangoria to initialize `perf_reg_extended_max`
  and define it in lowercase since it is local variable.

Anju T Sudhakar (1):
  tools/perf: Add perf tools support for extended register capability in
    powerpc

Athira Rajeev (1):
  tools/perf: Add perf tools support for extended regs in power10

 tools/arch/powerpc/include/uapi/asm/perf_regs.h | 20 ++++++++-
 tools/perf/arch/powerpc/include/perf_regs.h     |  8 +++-
 tools/perf/arch/powerpc/util/header.c           |  9 +---
 tools/perf/arch/powerpc/util/perf_regs.c        | 55 +++++++++++++++++++++++++
 tools/perf/arch/powerpc/util/utils_header.h     | 15 +++++++
 5 files changed, 97 insertions(+), 10 deletions(-)
 create mode 100644 tools/perf/arch/powerpc/util/utils_header.h

-- 
1.8.3.1