[PATCH 00/16] Add OA functionality to Xe

[Lionel Landwerlin]

Hi Ashutosh,

Just looked at the series and I'm not seeing a way to reconfigure the OA 
unit with a different config once the stream is opened.
Was this feature removed?

Thanks,

-Lionel

On 08/02/2024 07:49, Ashutosh Dixit wrote:
> Please see cover letter for v7 here:
> https://patchwork.freedesktop.org/series/121084/#rev7
>
> For changes in v8 and v9, see:
> https://patchwork.freedesktop.org/series/128993/
>
> This series is also available at:
>          https://gitlab.freedesktop.org/adixit/kernel/-/tree/xe-oa
>
> The series has been tested against this IGT series:
>          https://gitlab.freedesktop.org/adixit/igt-gpu-tools/-/tree/xe-oa
>
> v2: Fix build
> v3: Rebase, due to s/xe_engine/xe_exec_queue/
> v4: Re-run for testing
> v5: Address review comments, new patches 11 through 17
> v6: New patches 18 through 21
> v7: Patches are completely redone and don't start with i915 version of the uapi
> v8: See https://patchwork.freedesktop.org/patch/575214/?series=128993&rev=1
> v9: See https://patchwork.freedesktop.org/patch/577441/?series=128993&rev=2
>
> Ashutosh Dixit (16):
>    drm/xe/perf/uapi: "Perf" layer to support multiple perf counter stream
>      types
>    drm/xe/perf/uapi: Add perf_stream_paranoid sysctl
>    drm/xe/oa/uapi: Add OA data formats
>    drm/xe/oa/uapi: Initialize OA units
>    drm/xe/oa/uapi: Add/remove OA config perf ops
>    drm/xe/oa/uapi: Define and parse OA stream properties
>    drm/xe/oa: OA stream initialization (OAG)
>    drm/xe/oa/uapi: Expose OA stream fd
>    drm/xe/oa/uapi: Read file_operation
>    drm/xe/oa: Disable overrun mode for Xe2+ OAG
>    drm/xe/oa: Add OAR support
>    drm/xe/oa: Add OAC support
>    drm/xe/oa/uapi: Query OA unit properties
>    drm/xe/oa/uapi: OA buffer mmap
>    drm/xe/oa: Add MMIO trigger support
>    drm/xe/oa: Override GuC RC with OA on PVC
>
>   drivers/gpu/drm/xe/Makefile                   |    2 +
>   .../gpu/drm/xe/instructions/xe_mi_commands.h  |    3 +
>   drivers/gpu/drm/xe/regs/xe_engine_regs.h      |    4 +-
>   drivers/gpu/drm/xe/regs/xe_gt_regs.h          |    3 +
>   drivers/gpu/drm/xe/regs/xe_oa_regs.h          |  100 +
>   drivers/gpu/drm/xe/xe_device.c                |   18 +-
>   drivers/gpu/drm/xe/xe_device_types.h          |    4 +
>   drivers/gpu/drm/xe/xe_gt_types.h              |    4 +
>   drivers/gpu/drm/xe/xe_guc_pc.c                |   60 +
>   drivers/gpu/drm/xe/xe_guc_pc.h                |    3 +
>   drivers/gpu/drm/xe/xe_hw_engine_types.h       |    2 +
>   drivers/gpu/drm/xe/xe_lrc.c                   |   11 +-
>   drivers/gpu/drm/xe/xe_lrc.h                   |    1 +
>   drivers/gpu/drm/xe/xe_module.c                |    6 +
>   drivers/gpu/drm/xe/xe_oa.c                    | 2319 +++++++++++++++++
>   drivers/gpu/drm/xe/xe_oa.h                    |   30 +
>   drivers/gpu/drm/xe/xe_oa_types.h              |  230 ++
>   drivers/gpu/drm/xe/xe_perf.c                  |   67 +
>   drivers/gpu/drm/xe/xe_perf.h                  |   20 +
>   drivers/gpu/drm/xe/xe_query.c                 |   79 +
>   drivers/gpu/drm/xe/xe_reg_whitelist.c         |   24 +-
>   include/uapi/drm/xe_drm.h                     |  263 ++
>   22 files changed, 3245 insertions(+), 8 deletions(-)
>   create mode 100644 drivers/gpu/drm/xe/regs/xe_oa_regs.h
>   create mode 100644 drivers/gpu/drm/xe/xe_oa.c
>   create mode 100644 drivers/gpu/drm/xe/xe_oa.h
>   create mode 100644 drivers/gpu/drm/xe/xe_oa_types.h
>   create mode 100644 drivers/gpu/drm/xe/xe_perf.c
>   create mode 100644 drivers/gpu/drm/xe/xe_perf.h
>