[PATCH 2/2] drm/amdgpu: log the user queue object PRT mapping

[Christian König]

On 5/6/25 15:34, Liang, Prike wrote:
> [Public]
> 
> Any feedback?


Sorry totally missed that. We already have a trace point for all page table updates.

If you want to only see the PRT updates you can potentially enable that as a filter.

I can try to come up with the necessary commands for that if you want.

Regards,
Christian.

> 
> Regards,
>       Prike
> 
>> -----Original Message-----
>> From: Liang, Prike
>> Sent: Wednesday, April 30, 2025 10:51 AM
>> To: amd-gfx at lists.freedesktop.org
>> Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Koenig, Christian
>> <Christian.Koenig at amd.com>
>> Subject: RE: [PATCH 2/2] drm/amdgpu: log the user queue object PRT mapping
>>
>> Soft ping for this series.
>>
>> Regards,
>>       Prike
>>
>>> -----Original Message-----
>>> From: Liang, Prike <Prike.Liang at amd.com>
>>> Sent: Monday, April 28, 2025 2:29 PM
>>> To: amd-gfx at lists.freedesktop.org
>>> Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Koenig, Christian
>>> <Christian.Koenig at amd.com>; Liang, Prike <Prike.Liang at amd.com>
>>> Subject: [PATCH 2/2] drm/amdgpu: log the user queue object PRT mapping
>>>
>>> This patch will log the user queue buffer PRT mapping, and this will
>>> help on checking the user queue PRT functional status.
>>>
>>> Signed-off-by: Prike Liang <Prike.Liang at amd.com>
>>> ---
>>>  drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c | 4 ++++
>>>  1 file changed, 4 insertions(+)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
>>> index 30022123b0bf..7992a97f8745 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c
>>> @@ -903,6 +903,10 @@ int amdgpu_vm_ptes_update(struct
>>> amdgpu_vm_update_params *params,
>>>                                                 upd_flags,
>>>                                                 vm->task_info ? vm->task_info-
>>>> tgid : 0,
>>>                                                 vm->immediate.fence_context);
>>> +                   if (upd_flags | AMDGPU_PTE_PRT_FLAG(adev)) {
>>> +                           if (params->vm->is_userq_context)
>>> +                                   dev_dbg_ratelimited(adev->dev, "The kgd
>>> user queue PRT map is functional\n");
>>> +                   }
>>>                     amdgpu_vm_pte_update_flags(params,
>>> to_amdgpu_bo_vm(pt),
>>>                                                cursor.level, pe_start, dst,
>>>                                                nptes, incr, upd_flags);
>>> --
>>> 2.34.1
>