[PATCH 0/4] perf: ampere: Add support for Ampere SoC PMUs

From: Ilkka Koskinen
Date: Wed Jun 21 2023 - 21:12:33 EST


Changes since v3:
* use_64b_counter_reg => has_atomic_dword (patch 1/4)
* Removed the unnecessary hook for group validation (patch 3/4)
* Added group config validation to ampere_cspmu_validate_event() (patch 4/4)
* Rebased the patchset

Changes since v2:
* Changed to use supports_64bits_atomics() and replaced the split writes
with lo_hi_writeq()
* Added implementation specific group validation to patch 3
* Dropped shared interrupt patch
* Removed unnecessary filter_enable parameter from ampere module
* Added group validation to ampere module

Changes since v1:
* Rather than creating a completely new driver, implemented as a submodule
of Arm CoreSight PMU driver
* Fixed shared filter handling

Ilkka Koskinen (4):
perf: arm_cspmu: Split 64-bit write to 32-bit writes
perf: arm_cspmu: Support implementation specific filters
perf: arm_cspmu: Support implementation specific validation
perf: arm_cspmu: ampere_cspmu: Add support for Ampere SoC PMU

.../admin-guide/perf/ampere_cspmu.rst | 29 +++
drivers/perf/arm_cspmu/Makefile | 2 +-
drivers/perf/arm_cspmu/ampere_cspmu.c | 232 ++++++++++++++++++
drivers/perf/arm_cspmu/ampere_cspmu.h | 17 ++
drivers/perf/arm_cspmu/arm_cspmu.c | 28 ++-
drivers/perf/arm_cspmu/arm_cspmu.h | 6 +
6 files changed, 309 insertions(+), 5 deletions(-)
create mode 100644 Documentation/admin-guide/perf/ampere_cspmu.rst
create mode 100644 drivers/perf/arm_cspmu/ampere_cspmu.c
create mode 100644 drivers/perf/arm_cspmu/ampere_cspmu.h

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2.40.1