[PATCH] sp13: Document message buffer usage and adjust configuration

[Gedare Bloom]

On Wed, Apr 15, 2015 at 3:41 PM, Joel Sherrill
<joel.sherrill at oarcorp.com> wrote:
> ---
>  testsuites/sptests/sp13/system.h | 23 +++++++++++++++++++----
>  1 file changed, 19 insertions(+), 4 deletions(-)
>
> diff --git a/testsuites/sptests/sp13/system.h b/testsuites/sptests/sp13/system.h
> index 3b170bf..8e5ffbb 100644
> --- a/testsuites/sptests/sp13/system.h
> +++ b/testsuites/sptests/sp13/system.h
> @@ -66,13 +66,28 @@ TEST_EXTERN rtems_name Queue_name[ 4 ];      /* array of queue names */
>  #define CONFIGURE_RTEMS_INIT_TASKS_TABLE
>
>  /*
> - *  First three created in init.c, last created in task1.c.
> + *  Created in init.c:
> + *    Q1 - CONFIGURE_MESSAGE_BUFFERS_FOR_QUEUE( 100, MESSAGE_SIZE ) (1600)
> + *    Q2 - CONFIGURE_MESSAGE_BUFFERS_FOR_QUEUE( 10, MESSAGE_SIZE )   (160)
> + *    Q3 - CONFIGURE_MESSAGE_BUFFERS_FOR_QUEUE( 100, MESSAGE_SIZE ) (1600)
> + *
> + *  Q1 and Q2 deleted in task1.c
> + *
> + *  Q1 recreated in task1.c
> + *    Q1 - CONFIGURE_MESSAGE_BUFFERS_FOR_QUEUE( 100, 20 )           (2000)
> + *
> + *  Q1 deleted again in task1.c.
> + *  Q1 repeatedly created and deleted for 2 messages of 1-1030 bytes
> + *  in length
> + *    Q1 - CONFIGURE_MESSAGE_BUFFERS_FOR_QUEUE( 1030, 2 )           (2000)
> + *
> + *  Thus the peak message memory needed is technically only:
> + *      Q3 + third instance of Q1 at peak of two 1030 byte messages.
> + *
>   */
>  #define CONFIGURE_MESSAGE_BUFFER_MEMORY \
>     CONFIGURE_MESSAGE_BUFFERS_FOR_QUEUE( 100, MESSAGE_SIZE ) + \
> -   CONFIGURE_MESSAGE_BUFFERS_FOR_QUEUE( 10, MESSAGE_SIZE ) + \
> -   CONFIGURE_MESSAGE_BUFFERS_FOR_QUEUE( 100, MESSAGE_SIZE ) + \
> -   CONFIGURE_MESSAGE_BUFFERS_FOR_QUEUE( 100, 20 )
> +   CONFIGURE_MESSAGE_BUFFERS_FOR_QUEUE( 1030, 2 )
Should be ( 2, 1030 )

>
>  #define CONFIGURE_EXTRA_TASK_STACKS         (3 * RTEMS_MINIMUM_STACK_SIZE)
>
> --
> 1.9.3
>
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