Compatible Version of OSATE for Cheddar Plugin

[Nischay Sharma]

Hello OSATE Community,

I want to perform timing and schedulability analysis in the OSATE platform using the Cheddar plugin. However, I am facing issues while installing it in my current OSATE version.

Could anyone please guide me on which OSATE version is suitable for installing the Cheddar plugin?

Regards,
Nischay

[John Hudak]

I don't have current information to answer your question .

IIRC, I last used Cheddar 3.2 with OSATE V 2.14 and that was 3-4 years ago.

The current release version of CHEDDAR is 3.3,   release date of 09/25/2023

https://beru.univ-brest.fr/cheddar/ug/ug_v3_3/pages/download_install/

The current version of OSATE is 2.17 Release date of  September 7, 2025

I would try previous versions of OSATE V 2.14, V 2.15 

You may want to look at this section in the OSATE users guide

https://osate.org/additional-components.html?highlight=installing%20cheddar

You should also send your question to the Cheddar mailing list

https://beru.univ-brest.fr/cheddar/#RefMail

Have you tried installing Cheddar under any version of OSATE?

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[Frank Singhoff]

Hello John,

Thanks for the reply!

This is not the first email we got on this issue, unfortunately  :-(

We are a little bit guilty: 

- the Cheddar plug-in was updated last year for a better support of multiprocessor architectures and works fine with the OSATE development environment ...

-  but its update-site stops working properly since a previous release of  OSATE ... and we were not able to define a proper update-site

If someone has an example of (simple) update-site that works with the last OSATE releases, it may help us to fix this 

Thanks

Best

Frank

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