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tlsf: implement malloc_stats 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2011-12-23 00:54:52 +01:00
parent 2467c61b3b
commit 5d96cda944
1 changed files with 23 additions and 2 deletions
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25
common/tlsf_malloc.c
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@ -71,8 +71,29 @@ void *memalign(size_t alignment, size_t bytes)
}
EXPORT_SYMBOL(memalign);
#ifdef CONFIG_CMD_MEMINFO
struct malloc_stats {
size_t free;
size_t used;
};
static void malloc_walker(void* ptr, size_t size, int used, void *user)
{
struct malloc_stats *s = user;
if (used)
s->used += size;
else
s->free += size;
}
void malloc_stats(void)
{
struct malloc_stats s;
s.used = 0;
s.free = 0;
tlsf_walk_heap(tlsf_mem_pool, malloc_walker, &s);
printf("used: %10d\nfree: %10d\n", s.used, s.free);
}
#endif /* CONFIG_CMD_MEMINFO */