DSP/BIOS tsk schedule work bad!

thomas yang78259

       Today,I met a question when program with DSP/BIOS, sometimes my program only OS system and
HWI can work well,TSK can not be schedule and when to check the kenerl infos witch CCS3.3 plugin
All the infomation include knl_swi, TSK, secu, mbx,heap are work well,find some infomation,
all tsk stack no overrun and knl_swi stack no overrun too, but some MBX can not have relationship
        with its TSK(in MBX's pend TSK name is empty, while work well there is a real TSK).
        and the question had occurs serval times which made me crazy.
please help me,thank you!
Also I see the static message with CCS3.3 plugin, when all work well,the tsk schedule works
well too, just like"KNL_swi...start TSK.....end TSK....., PRD counter = xxxx";and when the
question occurrs, only see"KNL_swi..............."

over 11 years ago

0 Emmanuel Trinidad - Alicea over 11 years ago

TI__Genius 10260 points

Hi Thomas,

What version of DSP/BIOS are you using? What device are you developing for? Are you trying to run an example project or your own?

Thanks,

-- Emmanuel

0 thomas yang78259 over 11 years ago in reply to Emmanuel Trinidad - Alicea

Intellectual 950 points

I use CCS3.3， DSP C6747，Now I have work on TI DSP platform 7 years，I never met the question ever， so I

fused very much。

The OS did not schedule forerver， just HWI work，can you help me？

Thanks,

-- thomas

0 thomas yang78259 over 11 years ago in reply to thomas yang78259

Intellectual 950 points

nobody answer, I am very sad.

0 Emmanuel Trinidad - Alicea over 11 years ago in reply to thomas yang78259

TI__Genius 10260 points

Hi Thomas,

What version of DSP/BIOS are you using? Unfortunately, there is no known DSP/BIOS scheduling issue and I do not entirely understand you problem. Can you some more information regarding the tasks, priorities, Hwis, etc you are using in your application?

Are you currently developing on your own custom board or are using a TI evm? Is the problem highly reproducible? If so, can you create a test case where we can reproduce this problem on an TI evm?

Thanks,

--Emmanuel

0 thomas yang78259 over 11 years ago in reply to Emmanuel Trinidad - Alicea

Intellectual 950 points

when I come back from Company，I will supply the version of DSP/BIOS， and I work on my platform，not TI evm。The question repeated frequency and the basic information is that all HWI work well, and some HWI trigger EVENT to some TSK, but all TSK can not work. I think there is some reason make OS Kenerl Collapse which make TSK schedule disable.

while your company did not support the source code of OS, unlike UC/OS, so I did not have ability to Analysis

the reason of Kenerl collapse, can you give me some idea?

Thanks,

--Thomas

0 thomas yang78259 over 11 years ago in reply to thomas yang78259

Intellectual 950 points

Today， I have some special infomation，maybe the question is that the HWI occured all the time and cause the CPU

busy to deal the HWI。but I did not understand the reason because ALL HWI came from DSP GPIO pins and there is

no question ago.

How to understand the information.

CODE generation tools:v6.11; DSP/BIOS V5.41; CCS V3.3.

Thanks

--thomas.

Processors

Processors forum

DSP/BIOS tsk schedule work bad!