Re: [RFC 00/10] amdgpu: implement Performance Monitor Counter support

[James Zhu]

On 2026-09-23 11:02, Welton, Benjamin wrote:
AMD General

For some background on my end, is this the porting over of the existing 
profiler work to KGD?
[JZ] Yes, for profiler-PMC only. One of the main changes is  from kfd 
device based PMC to render-node based PMC.

Ben

-----Original Message-----
From: Zhu, James <james....@amd.com>
Sent: Wednesday, September 23, 2026 7:02 AM
To: amd-gfx@lists.freedesktop.org; Welton, Benjamin <benjamin.wel...@amd.com>
Subject: Re: [RFC 00/10] amdgpu: implement Performance Monitor Counter support

Hi Ben,

Please review these PMC patches for unified Kernel interface.

Thanks and Best Regards!

James Zhu

On 2026-09-22 05:34, Zhu Lingshan wrote:
This series implements PMC support for amdgpu. Including two parts:
1) PMC Enablement
2) Profiler Reservation

The user space should take the reservation, then set PMC.

This series depends on and used new helper introduced in another
series:
https://lists.freedesktop.org/archives/amd-gfx/2026-August/151692.html

Please help Review

Thanks!

Zhu Lingshan (10):
    drm/amdgpu: implement PMC ioctl framework
    drm/amdgpu: add device-wide PMC config
    drm/amdgpu: introduce PMC ioctl handler
    drm/amdgpu: implement reservation mechanism for PMC
    drm/amdgpu: set device-wide PMC enablement indicator
    drm/amdgpu: GFX11: set mqd->perfcount from mqd_prop
    drm/amdgpu: GFX12: set mqd->perfcount from mqd_prop
    drm/amdgpu: GFX12.1: set mqd->perfcount from mqd_prop
    drm/amdgpu: implement device PMC handler
    drm/amdgpu: set userq perf state before publish it

   drivers/gpu/drm/amd/amdgpu/Makefile          |   2 +-
   drivers/gpu/drm/amd/amdgpu/amdgpu.h          |   8 +
   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c   |   3 +
   drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c      |   4 +
   drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h      |   6 +
   drivers/gpu/drm/amd/amdgpu/amdgpu_profiler.c | 166 +++++++++++++++++++
   drivers/gpu/drm/amd/amdgpu/amdgpu_profiler.h |  38 +++++
   drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c    |  95 ++++++++++-
   drivers/gpu/drm/amd/amdgpu/amdgpu_userq.h    |   2 +
   drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c       |  11 ++
   drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c       |  11 ++
   drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c       |  11 ++
   include/uapi/drm/amdgpu_drm.h                |  36 ++++
   13 files changed, 390 insertions(+), 3 deletions(-)
   create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_profiler.c
   create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_profiler.h