S32 SDKのトピックRe: Application processor (A53) CPU Utilization when using endocder (H.264) in a graph running in S3

Application processor (A53) CPU Utilization when using endocder (H.264) in a graph running in S32V23

mrosar11 — Fri, 18 Jul 2025 19:24:18 GMT

Hi, we need help to understand why the CPU utilization in the application processor (A53) is higher than expected when using the encoder as part of the graph. Based on our observations and analysis using the QNX Momentics IDE, there are thread events yielding a higher utilization than expected on the A53. From what we can tell, opening the encoder driver (H.264 driver) spawns these threads. We need help to see how we can reduce this CPU utilization.

I would like to setup a call with someone familiar with these details.

Re: Application processor (A53) CPU Utilization when using endocder (H.264) in a graph running in S3

mrosar11 — Fri, 18 Jul 2025 20:13:22 GMT

Re: Application processor (A53) CPU Utilization when using endocder (H.264) in a graph running in S3

alejandro_e — Mon, 21 Jul 2025 18:08:48 GMT

Hello @mrosar11,

To receive the best support please post this question in the internal community best suited for your project, I am aware that your company has several internal communities.

If you are unsure the community on which this question should be posted please contact your FAE/NXP representative, they should be able to guide you in that matter.

In case you don't have the FAE/NXP representative contact please let me know so I can help you with that.

Thanks in advance.

Re: Application processor (A53) CPU Utilization when using endocder (H.264) in a graph running in S3

mrosar11 — Wed, 23 Jul 2025 14:21:28 GMT

This ticket was moved here: https://community.nxp.com/t5/Ford-ADAS/Application-processor-A53-CPU-Utilization-when-using-endocder-H/td-p/2138328

Re: Application processor (A53) CPU Utilization when using endocder (H.264) in a graph running in S3

alejandro_e — Thu, 24 Jul 2025 20:03:44 GMT

Hello @mrosar11,

Thanks for letting me know you were able to move your post to the right community. I will mark your answer as an accepted solution.

Best regards