Function rpmalloc_global_statistics

vm/ByteCodeTranslator/src/rpmalloc.c:1750–1778

}

void
rpmalloc_global_statistics(rpmalloc_global_statistics_t* stats) {
	memset(stats, 0, sizeof(rpmalloc_global_statistics_t));
#if ENABLE_STATISTICS
	stats->mapped = (size_t)atomic_load32(&_mapped_pages) * PAGE_SIZE;
	stats->mapped_total = (size_t)atomic_load32(&_mapped_total) * PAGE_SIZE;
	stats->unmapped_total = (size_t)atomic_load32(&_unmapped_total) * PAGE_SIZE;
#endif
	for (size_t iclass = 0; iclass < SPAN_CLASS_COUNT; ++iclass) {
		void* global_span_ptr = atomic_load_ptr(&_memory_span_cache[iclass]);
		while (global_span_ptr == SPAN_LIST_LOCK_TOKEN) {
			thread_yield();
			global_span_ptr = atomic_load_ptr(&_memory_span_cache[iclass]);
		}
		uintptr_t global_span_count = (uintptr_t)global_span_ptr & ~SPAN_MASK;
		size_t list_bytes = global_span_count * (iclass + 1) * SPAN_CLASS_GRANULARITY * PAGE_SIZE;
		stats->cached += list_bytes;
	}
	for (size_t iclass = 0; iclass < LARGE_CLASS_COUNT; ++iclass) {
		void* global_span_ptr = atomic_load_ptr(&_memory_large_cache[iclass]);
		while (global_span_ptr == SPAN_LIST_LOCK_TOKEN) {
			thread_yield();
			global_span_ptr = atomic_load_ptr(&_memory_large_cache[iclass]);
		}
		uintptr_t global_span_count = (uintptr_t)global_span_ptr & ~SPAN_MASK;
		size_t list_bytes = global_span_count * (iclass + 1) * SPAN_MAX_PAGE_COUNT * PAGE_SIZE;
		stats->cached_large += list_bytes;
	}
}