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Added information on the workspace versus heap.

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Joel Sherrill
1999-07-09 19:36:51 +00:00
parent 1377bb1455
commit 4b57d27255
1 changed files with 5 additions and 0 deletions
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doc/FAQ/debug.t
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@@ -13,6 +13,11 @@ The questions in this category are hints that can ease debugging.
@section How do I determine how much memory is left?
First there are two types of memory: RTEMS Workspace and Program Heap.
The RTEMS Workspace is the memory used by RTEMS to allocate control
structures for system objects like tasks and semaphores, task
stacks, and some system data structures like the ready chains.
The Program Heap is where "malloc'ed" memory comes from.
Both are essentially managed as heaps based on the Heap Manager
in the RTEMS SuperCore. The RTEMS Workspace uses the Heap Manager
directly while the Program Heap is actually based on an RTEMS Region