Re: Proposal to add CRIU support to DRM render nodes

2024-05-03 Thread Felix Kuehling
On 2024-04-16 10:04, Tvrtko Ursulin wrote: > > On 01/04/2024 18:58, Felix Kuehling wrote: >> >> On 2024-04-01 12:56, Tvrtko Ursulin wrote: >>> >>> On 01/04/2024 17:37, Felix Kuehling wrote: On 2024-04-01 11:09, Tvrtko Ursulin wrote: > > On 28/03/2024 20:42, Felix Kuehling wrote: >>

Re: Proposal to add CRIU support to DRM render nodes

2024-04-16 Thread Tvrtko Ursulin
On 01/04/2024 18:58, Felix Kuehling wrote: On 2024-04-01 12:56, Tvrtko Ursulin wrote: On 01/04/2024 17:37, Felix Kuehling wrote: On 2024-04-01 11:09, Tvrtko Ursulin wrote: On 28/03/2024 20:42, Felix Kuehling wrote: On 2024-03-28 12:03, Tvrtko Ursulin wrote: Hi Felix, I had one more t

Re: Proposal to add CRIU support to DRM render nodes

2024-04-01 Thread Felix Kuehling
On 2024-04-01 12:56, Tvrtko Ursulin wrote: On 01/04/2024 17:37, Felix Kuehling wrote: On 2024-04-01 11:09, Tvrtko Ursulin wrote: On 28/03/2024 20:42, Felix Kuehling wrote: On 2024-03-28 12:03, Tvrtko Ursulin wrote: Hi Felix, I had one more thought while browsing around the amdgpu CRIU

Re: Proposal to add CRIU support to DRM render nodes

2024-04-01 Thread Tvrtko Ursulin
On 01/04/2024 17:37, Felix Kuehling wrote: On 2024-04-01 11:09, Tvrtko Ursulin wrote: On 28/03/2024 20:42, Felix Kuehling wrote: On 2024-03-28 12:03, Tvrtko Ursulin wrote: Hi Felix, I had one more thought while browsing around the amdgpu CRIU plugin. It appears it relies on the KFD supp

Re: Proposal to add CRIU support to DRM render nodes

2024-04-01 Thread Felix Kuehling
On 2024-04-01 11:09, Tvrtko Ursulin wrote: On 28/03/2024 20:42, Felix Kuehling wrote: On 2024-03-28 12:03, Tvrtko Ursulin wrote: Hi Felix, I had one more thought while browsing around the amdgpu CRIU plugin. It appears it relies on the KFD support being compiled in and /dev/kfd present, c

Re: Proposal to add CRIU support to DRM render nodes

2024-04-01 Thread Tvrtko Ursulin
On 28/03/2024 20:42, Felix Kuehling wrote: On 2024-03-28 12:03, Tvrtko Ursulin wrote: Hi Felix, I had one more thought while browsing around the amdgpu CRIU plugin. It appears it relies on the KFD support being compiled in and /dev/kfd present, correct? AFAICT at least, it relies on that

Re: Proposal to add CRIU support to DRM render nodes

2024-03-28 Thread Felix Kuehling
On 2024-03-28 12:03, Tvrtko Ursulin wrote: Hi Felix, I had one more thought while browsing around the amdgpu CRIU plugin. It appears it relies on the KFD support being compiled in and /dev/kfd present, correct? AFAICT at least, it relies on that to figure out the amdgpu DRM node. In woul

Re: Proposal to add CRIU support to DRM render nodes

2024-03-28 Thread Tvrtko Ursulin
Hi Felix, I had one more thought while browsing around the amdgpu CRIU plugin. It appears it relies on the KFD support being compiled in and /dev/kfd present, correct? AFAICT at least, it relies on that to figure out the amdgpu DRM node. In would be probably good to consider designing thin

Re: Proposal to add CRIU support to DRM render nodes

2024-03-15 Thread Tvrtko Ursulin
On 15/03/2024 02:33, Felix Kuehling wrote: On 2024-03-12 5:45, Tvrtko Ursulin wrote: On 11/03/2024 14:48, Tvrtko Ursulin wrote: Hi Felix, On 06/12/2023 21:23, Felix Kuehling wrote: Executive Summary: We need to add CRIU support to DRM render nodes in order to maintain CRIU support for RO

Re: Proposal to add CRIU support to DRM render nodes

2024-03-14 Thread Felix Kuehling
On 2024-03-12 5:45, Tvrtko Ursulin wrote: On 11/03/2024 14:48, Tvrtko Ursulin wrote: Hi Felix, On 06/12/2023 21:23, Felix Kuehling wrote: Executive Summary: We need to add CRIU support to DRM render nodes in order to maintain CRIU support for ROCm application once they start relying on re

Re: Proposal to add CRIU support to DRM render nodes

2024-03-12 Thread Tvrtko Ursulin
On 11/03/2024 14:48, Tvrtko Ursulin wrote: Hi Felix, On 06/12/2023 21:23, Felix Kuehling wrote: Executive Summary: We need to add CRIU support to DRM render nodes in order to maintain CRIU support for ROCm application once they start relying on render nodes for more GPU memory management. I

Re: Proposal to add CRIU support to DRM render nodes

2024-03-11 Thread Tvrtko Ursulin
Hi Felix, On 06/12/2023 21:23, Felix Kuehling wrote: Executive Summary: We need to add CRIU support to DRM render nodes in order to maintain CRIU support for ROCm application once they start relying on render nodes for more GPU memory management. In this email I'm providing some background w

Re: Proposal to add CRIU support to DRM render nodes

2024-01-15 Thread Felix Kuehling
I haven't seen any replies to this proposal. Either it got lost in the pre-holiday noise, or there is genuinely no interest in this. If it's the latter, I would look for an AMDGPU driver-specific solution with minimally invasive changes in DRM and DMABuf code, if needed. Maybe it could be gene

Proposal to add CRIU support to DRM render nodes

2023-12-06 Thread Felix Kuehling
Executive Summary: We need to add CRIU support to DRM render nodes in order to maintain CRIU support for ROCm application once they start relying on render nodes for more GPU memory management. In this email I'm providing some background why we are doing this, and outlining some of the problems