[PATCH v8 0/6] power: refactor power management library

[Stephen Hemminger]

On Tue, 22 Oct 2024 18:41:26 +0000
Sivaprasad Tummala <sivaprasad.tummala at amd.com> wrote:

> This patchset refactors the power management library, addressing both
> core and uncore power management. The primary changes involve the
> creation of dedicated directories for each driver within
> 'drivers/power/core/*' and 'drivers/power/uncore/*'.
> 
> This refactor significantly improves code organization, enhances
> clarity, and boosts maintainability. It lays the foundation for more
> focused development on individual drivers and facilitates seamless
> integration of future enhancements, particularly the AMD uncore driver.
> 
> Furthermore, this effort aims to streamline code maintenance by
> consolidating common functions for cpufreq and cppc across various
> core drivers, thus reducing code duplication.
> 
> Sivaprasad Tummala (6):
>   power: refactor core power management library
>   power: refactor uncore power management library
>   test/power: removed function pointer validations
>   drivers/power: uncore support for AMD EPYC processors
>   maintainers: update for drivers/power
>   power: rename library sources for cpu frequency management
> 
>  MAINTAINERS                                   |   1 +
>  app/test/test_power.c                         |  97 +-----
>  app/test/test_power_cpufreq.c                 |  54 +--
>  app/test/test_power_kvm_vm.c                  |  38 +-
>  drivers/meson.build                           |   1 +
>  .../power/acpi/acpi_cpufreq.c                 |  22 +-
>  .../power/acpi/acpi_cpufreq.h                 |   6 +-
>  drivers/power/acpi/meson.build                |  10 +
>  .../power/amd_pstate/amd_pstate_cpufreq.c     |  24 +-
>  .../power/amd_pstate/amd_pstate_cpufreq.h     |  10 +-
>  drivers/power/amd_pstate/meson.build          |  10 +
>  drivers/power/amd_uncore/amd_uncore.c         | 329 ++++++++++++++++++
>  drivers/power/amd_uncore/amd_uncore.h         | 225 ++++++++++++
>  drivers/power/amd_uncore/meson.build          |  20 ++
>  .../power/cppc/cppc_cpufreq.c                 |  22 +-
>  .../power/cppc/cppc_cpufreq.h                 |   8 +-
>  drivers/power/cppc/meson.build                |  10 +
>  .../power/intel_uncore/intel_uncore.c         |  18 +-
>  .../power/intel_uncore/intel_uncore.h         |   9 +-
>  drivers/power/intel_uncore/meson.build        |   6 +
>  .../power/kvm_vm}/guest_channel.c             |   2 +-
>  .../power/kvm_vm}/guest_channel.h             |   0
>  .../power/kvm_vm/kvm_vm.c                     |  22 +-
>  .../power/kvm_vm/kvm_vm.h                     |   6 +-
>  drivers/power/kvm_vm/meson.build              |  14 +
>  drivers/power/meson.build                     |  14 +
>  drivers/power/pstate/meson.build              |  10 +
>  .../power/pstate/pstate_cpufreq.c             |  22 +-
>  .../power/pstate/pstate_cpufreq.h             |   6 +-
>  examples/distributor/main.c                   |   2 +-
>  examples/l3fwd-power/main.c                   |  14 +-
>  examples/l3fwd-power/perf_core.c              |   2 +-
>  examples/vm_power_manager/channel_monitor.c   |   2 +-
>  examples/vm_power_manager/channel_monitor.h   |   2 +-
>  examples/vm_power_manager/guest_cli/main.c    |   2 +-
>  .../guest_cli/vm_power_cli_guest.c            |   2 +-
>  examples/vm_power_manager/power_manager.c     |   2 +-
>  lib/power/meson.build                         |  13 +-
>  lib/power/power_common.c                      |   2 +-
>  lib/power/power_common.h                      |  18 +-
>  lib/power/power_cpufreq.h                     | 191 ++++++++++
>  lib/power/power_uncore_ops.h                  | 244 +++++++++++++
>  lib/power/rte_power.c                         | 257 --------------
>  lib/power/rte_power_cpufreq.c                 | 230 ++++++++++++
>  .../{rte_power.h => rte_power_cpufreq.h}      | 120 ++++---
>  lib/power/rte_power_pmd_mgmt.h                |   2 +-
>  lib/power/rte_power_uncore.c                  | 256 +++++++-------
>  lib/power/rte_power_uncore.h                  |  61 ++--
>  lib/power/version.map                         |  15 +
>  49 files changed, 1746 insertions(+), 707 deletions(-)
>  rename lib/power/power_acpi_cpufreq.c => drivers/power/acpi/acpi_cpufreq.c (95%)
>  rename lib/power/power_acpi_cpufreq.h => drivers/power/acpi/acpi_cpufreq.h (98%)
>  create mode 100644 drivers/power/acpi/meson.build
>  rename lib/power/power_amd_pstate_cpufreq.c => drivers/power/amd_pstate/amd_pstate_cpufreq.c (95%)
>  rename lib/power/power_amd_pstate_cpufreq.h => drivers/power/amd_pstate/amd_pstate_cpufreq.h (96%)
>  create mode 100644 drivers/power/amd_pstate/meson.build
>  create mode 100644 drivers/power/amd_uncore/amd_uncore.c
>  create mode 100644 drivers/power/amd_uncore/amd_uncore.h
>  create mode 100644 drivers/power/amd_uncore/meson.build
>  rename lib/power/power_cppc_cpufreq.c => drivers/power/cppc/cppc_cpufreq.c (95%)
>  rename lib/power/power_cppc_cpufreq.h => drivers/power/cppc/cppc_cpufreq.h (97%)
>  create mode 100644 drivers/power/cppc/meson.build
>  rename lib/power/power_intel_uncore.c => drivers/power/intel_uncore/intel_uncore.c (95%)
>  rename lib/power/power_intel_uncore.h => drivers/power/intel_uncore/intel_uncore.h (97%)
>  create mode 100644 drivers/power/intel_uncore/meson.build
>  rename {lib/power => drivers/power/kvm_vm}/guest_channel.c (99%)
>  rename {lib/power => drivers/power/kvm_vm}/guest_channel.h (100%)
>  rename lib/power/power_kvm_vm.c => drivers/power/kvm_vm/kvm_vm.c (82%)
>  rename lib/power/power_kvm_vm.h => drivers/power/kvm_vm/kvm_vm.h (98%)
>  create mode 100644 drivers/power/kvm_vm/meson.build
>  create mode 100644 drivers/power/meson.build
>  create mode 100644 drivers/power/pstate/meson.build
>  rename lib/power/power_pstate_cpufreq.c => drivers/power/pstate/pstate_cpufreq.c (96%)
>  rename lib/power/power_pstate_cpufreq.h => drivers/power/pstate/pstate_cpufreq.h (98%)
>  create mode 100644 lib/power/power_cpufreq.h
>  create mode 100644 lib/power/power_uncore_ops.h
>  delete mode 100644 lib/power/rte_power.c
>  create mode 100644 lib/power/rte_power_cpufreq.c
>  rename lib/power/{rte_power.h => rte_power_cpufreq.h} (73%)
> 


This has some issues with documentation.

$ ninja -C build doc
ninja: Entering directory `build'
[3/6] Generating doc/api/doxygen-html with a custom command
/home/shemminger/DPDK/power/doc/api/doxy-api-index.md:105: warning: unable to resolve reference to 'rte_power.h' for \ref command
[5/6] Running external command doc (wrapped by meson to set env)
Building docs: Doxygen_API(HTML) Doxygen_API(Manpage) DTS_API_HTML HTML_Guides