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feat(heap): Allow tracking of minimum free size for a given time frame

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Implement a function to start tracking the minimum free size from the
moment the function is called.
Implement a function to stop tracking the minimum free size and restore
the minimum free size value calculated since startup.
Implement the tests related to this new feature.
This commit is contained in:
Guillaume Souchere
2023-12-01 06:55:32 +01:00
parent b2cc934b94
commit bb9d5a8d51
6 changed files with 176 additions and 4 deletions
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21
components/heap/multi_heap.c
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@@ -11,6 +11,7 @@
#include <stddef.h>
#include <stdio.h>
#include <sys/cdefs.h>
#include <sys/param.h>
#include "multi_heap.h"
#include "multi_heap_internal.h"
@@ -429,4 +430,22 @@ void multi_heap_get_info_impl(multi_heap_handle_t heap, multi_heap_info_t *info)
info->largest_free_block = tlsf_fit_size(heap->heap_data, info->largest_free_block);
multi_heap_internal_unlock(heap);
}
#endif
#endif // CONFIG_HEAP_TLSF_USE_ROM_IMPL
size_t multi_heap_reset_minimum_free_bytes(multi_heap_handle_t heap)
{
multi_heap_internal_lock(heap);
const size_t old_minimum = heap->minimum_free_bytes;
heap->minimum_free_bytes = heap->free_bytes;
multi_heap_internal_unlock(heap);
return old_minimum;
}
void multi_heap_restore_minimum_free_bytes(multi_heap_handle_t heap, const size_t new_minimum_free_bytes_value)
{
multi_heap_internal_lock(heap);
// keep the value of minimum_free_bytes if it is lower than the value passed as parameter
heap->minimum_free_bytes = MIN(heap->minimum_free_bytes, new_minimum_free_bytes_value);
multi_heap_internal_unlock(heap);
}