RTOS Comparison

[Gedare Bloom]

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I guess we need to add this now to our 'mailing list policies'
https://devel.rtems.org/wiki/TBR/Website/RTEMSMailingLists#Policies

Gedare

On Wed, Sep 21, 2016 at 3:35 PM, warm38 at juno.com <warm38 at juno.com> wrote:

> Round 2:
>
> Our company is looking into using an RTOS very soon.  The ones examined
> (by a company in India who does our protocol stacks) are:
> FreeRTOS,  Segger Emb-OS,  Micrium,  Threadx.
>
> Can anyone (Joel?) fill in the following for RTEMS so I can add in my 2
> cents in for RTEMS?  We are working with Cortex M4 and M7 (STM32L4 and
> Atmel SAM4 & SAM7).
>
> Kernel size (ROM)
>
> Kernel RAM usage
>
> Kernel Type
>
> Scheduling
>
> Scalability
>
> Min. stack-size per task (RAM)
>
> Max. no. of tasks
>
> Max. no. of mailboxes
>
> Max. no. of semaphores
>
> Max. no. of software timers
>
> Max. no. of priorities
>
> Nested interrupts
>
> Task switches from within ISR
>
> Context switch time
>
> Interrupt latency time
>
> Atmel studio 7/ASF - Tool compatibility
>
> Royalty Fee
>
> License Cost
>
> Networking
>
> POSIX compliant
>
> any tools to avoid priority inversion
>
> users mailing list
> users at rtems.org
> http://lists.rtems.org/mailman/listinfo/users
>
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