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lib/os/heap-validate: code cleanup

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Remove code duplication, use common code idiom, etc.

Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
This commit is contained in:
Nicolas Pitre 2021-11-12 00:12:29 -05:00 • committed by Anas Nashif
commit 5aeb809374
1 changed files with 21 additions and 46 deletions
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67
lib/os/heap-validate.c
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@ -67,42 +67,27 @@ 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)
static void get_alloc_info(struct z_heap *h, size_t *alloc_bytes,
size_t *free_bytes)
{
chunkid_t c = 0;
struct z_heap *h = heap->heap;
chunkid_t c;
stats->allocated_bytes = 0;
stats->free_bytes = 0;
*alloc_bytes = 0;
*free_bytes = 0;
do {
for (c = right_chunk(h, 0); c < h->end_chunk; c = right_chunk(h, c)) {
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));
}
*alloc_bytes += chunksz_to_bytes(h, chunk_size(h, c));
} else if (!solo_free_header(h, c)) {
*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.
@ -123,11 +108,13 @@ bool sys_heap_validate(struct sys_heap *heap)
* 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);
size_t allocated_bytes, free_bytes;
struct sys_heap_runtime_stats stat;
if ((stat1.allocated_bytes != stat2.allocated_bytes) ||
(stat1.free_bytes != stat2.free_bytes)) {
get_alloc_info(h, &allocated_bytes, &free_bytes);
sys_heap_runtime_stats_get(heap, &stat);
if ((stat.allocated_bytes != allocated_bytes) ||
(stat.free_bytes != free_bytes)) {
return false;
}
#endif
@ -393,20 +380,7 @@ void heap_print_info(struct z_heap *h, bool dump_chunks)
if (dump_chunks) {
printk("\nChunk dump:\n");
}
free_bytes = allocated_bytes = 0;
for (chunkid_t c = 0; ; c = right_chunk(h, c)) {
if (chunk_used(h, c)) {
if ((c != 0) && (c != h->end_chunk)) {
/* 1st and last are always allocated for internal purposes */
allocated_bytes += chunksz_to_bytes(h, chunk_size(h, c));
}
} else {
if (!solo_free_header(h, c)) {
free_bytes += chunksz_to_bytes(h, chunk_size(h, c));
}
}
if (dump_chunks) {
for (chunkid_t c = 0; ; c = right_chunk(h, c)) {
printk("chunk %4d: [%c] size=%-4d left=%-4d right=%d\n",
c,
chunk_used(h, c) ? '*'
@ -415,12 +389,13 @@ void heap_print_info(struct z_heap *h, bool dump_chunks)
chunk_size(h, c),
left_chunk(h, c),
right_chunk(h, c));
}
if (c == h->end_chunk) {
break;
if (c == h->end_chunk) {
break;
}
}
}
get_alloc_info(h, &allocated_bytes, &free_bytes);
/* The end marker chunk has a header. It is part of the overhead. */
total = h->end_chunk * CHUNK_UNIT + chunk_header_bytes(h);
overhead = total - free_bytes - allocated_bytes;