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sys_heap: add check for sys_heap_runtime_stats_get API

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add operations to check sys_heap_runtime_stats_get API
in existing sys_heap_validate function.

Signed-off-by: Chen Peng1 <peng1.chen@intel.com>
This commit is contained in:
Chen Peng1 2021-11-11 15:37:04 +08:00 • committed by Anas Nashif
commit 28f834c914
1 changed files with 48 additions and 0 deletions
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48
lib/os/heap-validate.c
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@ -67,10 +67,42 @@ static inline void check_nexts(struct z_heap *h, int bidx)
}
}
#ifdef CONFIG_SYS_HEAP_RUNTIME_STATS
static inline void sys_heap_get_info(struct sys_heap *heap,
struct sys_heap_runtime_stats *stats)
{
chunkid_t c = 0;
struct z_heap *h = heap->heap;
stats->allocated_bytes = 0;
stats->free_bytes = 0;
do {
if (chunk_used(h, c)) {
if ((c != 0) && (c != h->end_chunk)) {
stats->allocated_bytes +=
chunksz_to_bytes(h, chunk_size(h, c));
}
} else {
if (!solo_free_header(h, c)) {
stats->free_bytes +=
chunksz_to_bytes(h, chunk_size(h, c));
}
}
c = right_chunk(h, c);
} while (c != h->end_chunk);
}
#endif
bool sys_heap_validate(struct sys_heap *heap)
{
struct z_heap *h = heap->heap;
chunkid_t c;
#ifdef CONFIG_SYS_HEAP_RUNTIME_STATS
struct sys_heap_runtime_stats stat1, stat2;
#endif
/*
* Walk through the chunks linearly, verifying sizes and end pointer.
@ -84,6 +116,22 @@ bool sys_heap_validate(struct sys_heap *heap)
return false; /* Should have exactly consumed the buffer */
}
#ifdef CONFIG_SYS_HEAP_RUNTIME_STATS
/*
* Validate sys_heap_runtime_stats_get API.
* Iterate all chunks in sys_heap to get total allocated bytes and
* free bytes, then compare with the results of
* sys_heap_runtime_stats_get function.
*/
sys_heap_runtime_stats_get(heap, &stat1);
sys_heap_get_info(heap, &stat2);
if ((stat1.allocated_bytes != stat2.allocated_bytes) ||
(stat1.free_bytes != stat2.free_bytes)) {
return false;
}
#endif
/* Check the free lists: entry count should match, empty bit
* should be correct, and all chunk entries should point into
* valid unused chunks. Mark those chunks USED, temporarily.