[Patch v7 0/4] Perf tools: Support eGPRs/SSP/SIMD registers sampling

[Dapeng Mi]

Changes since v6:
- Address Ian's comments including,
  * Add more comments for newly added register indexes (patch 1/4).
  * Several minor enhancements in patch 4/4.
- Limit dwarf minimal regs to legacy GPRs (excluding APX eGPRs)
  (patch 2/4).

Changes since v5:
- Split the sampling support for eGPRs/SSP registers and SIMD registers
  into 2 patches.
- Address Ian's comments including,
  * Convert the architecture dependent functions into regular
    architectural independent functions, like whatperf_reg_name() does.
  * Refine the functions name to represent what the functions really do.
  * Add comments for some key functions arguments.
  * Misc enhancements.

This patch-set adds sampling support for x86 eGPRs/SSP/SIMD registers in
perf tools base on the corresponding sampling support for eGPRs/SSP/SIMD
registers in kernel[1]. In versions before v6, these perf-tools patches
are integrated as a whole patch-set with the kernel patches, but it's
split and posted to an independent perf-tools patch-set for convenient
review.

History:
v6: https://lore.kernel.org/all/20260209083514.2225115-1-dapeng1.mi@xxxxxxxxxxxxxxx/
v5: https://lore.kernel.org/all/20251203065500.2597594-1-dapeng1.mi@xxxxxxxxxxxxxxx/
v4: https://lore.kernel.org/all/20250925061213.178796-1-dapeng1.mi@xxxxxxxxxxxxxxx/
v3: https://lore.kernel.org/lkml/20250815213435.1702022-1-kan.liang@xxxxxxxxxxxxxxx/
v2: https://lore.kernel.org/lkml/20250626195610.405379-1-kan.liang@xxxxxxxxxxxxxxx/
v1: https://lore.kernel.org/lkml/20250613134943.3186517-1-kan.liang@xxxxxxxxxxxxxxx/

Ref:
[1] Kernel patches of supporting eGPRs/SSP/SIMD registers sampling:
https://lore.kernel.org/all/20260324004118.3772171-1-dapeng1.mi@xxxxxxxxxxxxxxx/


Dapeng Mi (2):
  perf regs: Support x86 eGPRs/SSP sampling
  perf regs: Support x86 SIMD registers sampling

Kan Liang (2):
  perf headers: Sync with the kernel headers
  perf regs: Enable dumping of SIMD registers

 tools/arch/x86/include/uapi/asm/perf_regs.h   |  51 +++
 tools/include/uapi/linux/perf_event.h         |  50 ++-
 tools/perf/builtin-script.c                   |   2 +-
 tools/perf/util/evsel.c                       |  70 ++-
 tools/perf/util/parse-regs-options.c          | 171 ++++++-
 .../perf/util/perf-regs-arch/perf_regs_x86.c  | 416 +++++++++++++++++-
 tools/perf/util/perf_event_attr_fprintf.c     |   6 +
 tools/perf/util/perf_regs.c                   |  84 +++-
 tools/perf/util/perf_regs.h                   |  21 +-
 tools/perf/util/record.h                      |   6 +
 tools/perf/util/sample.h                      |  10 +
 .../scripting-engines/trace-event-python.c    |   2 +-
 tools/perf/util/session.c                     |  75 +++-
 13 files changed, 912 insertions(+), 52 deletions(-)


base-commit: ca76fb67ebdd5e1a30a242d06dc096fddd670734
-- 
2.34.1