when updating SDKManager 0.9.12, was there a change in cboot?

Robotics & Edge Computing Jetson & Embedded Systems Jetson TX2
1

I’m optimizing kernel and after update SDKManager, there was a huge time reduce at C-boot.

1.so I want to know if there was a change in cboot when updating SDKManger?

2.When booting tx2, I want to know if loading the NVIDIA LOGO Image is happening in kerenl or cboot?

2

Hi lcj3722,

  1. I am not sure about your term “updating sdkmanager”. Are you talking about updating “sdkmanager” itself or the driver downloaded from SDKmanager?

New sdkmanager includes Jetpack4.2.1 EA which is the preview version of next release. C-boot is updated in the package.

  1. The NVIDIA LOGO is implemented in cboot.
3

Hi WayneWWW

  1. I mean that SDKmanager has been updated to 0.9.12 at 2019/05/28 and i want to know if there was a change in cboot.

2.Well, size of Kernel Image can affect cboot boot time? What are main factors affect to cboot boot time?

Thank you

4

Hi WayneWWW

  1. I mean that SDKmanager has been updated to 0.9.12 at 2019/05/28 and i want to know if there was a change in cboot.

2.Well, size of Kernel Image can affect cboot boot time? What are main factors affect to cboot boot time?

Thank you

5

Hi lcj3722,

Like the boot time of kernel, the more driver and I/O you have during cboot would slow down the boot time.

6

That makes sense.

So Was there a change in cboot between SDKmanager 0.9.12 and lower one?

7

Yes, of course.