Function rpmalloc_dump_statistics

source/extern/rpmalloc.c:3354–3427

#endif

void
rpmalloc_dump_statistics(void* file) {
#if ENABLE_STATISTICS
	for (size_t list_idx = 0; list_idx < HEAP_ARRAY_SIZE; ++list_idx) {
		heap_t* heap = _memory_heaps[list_idx];
		while (heap) {
			int need_dump = 0;
			for (size_t iclass = 0; !need_dump && (iclass < SIZE_CLASS_COUNT); ++iclass) {
				if (!atomic_load32(&heap->size_class_use[iclass].alloc_total)) {
					rpmalloc_assert(!atomic_load32(&heap->size_class_use[iclass].free_total), "Heap statistics counter mismatch");
					rpmalloc_assert(!atomic_load32(&heap->size_class_use[iclass].spans_map_calls), "Heap statistics counter mismatch");
					continue;
				}
				need_dump = 1;
			}
			for (size_t iclass = 0; !need_dump && (iclass < LARGE_CLASS_COUNT); ++iclass) {
				if (!atomic_load32(&heap->span_use[iclass].high) && !atomic_load32(&heap->span_use[iclass].spans_map_calls))
					continue;
				need_dump = 1;
			}
			if (need_dump)
				_memory_heap_dump_statistics(heap, file);
			heap = heap->next_heap;
		}
	}
	fprintf(file, "Global stats:\n");
	size_t huge_current = (size_t)atomic_load32(&_huge_pages_current) * _memory_page_size;
	size_t huge_peak = (size_t)_huge_pages_peak * _memory_page_size;
	fprintf(file, "HugeCurrentMiB HugePeakMiB\n");
	fprintf(file, "%14zu %11zu\n", huge_current / (size_t)(1024 * 1024), huge_peak / (size_t)(1024 * 1024));

#if ENABLE_GLOBAL_CACHE
	fprintf(file, "GlobalCacheMiB\n");
	for (size_t iclass = 0; iclass < LARGE_CLASS_COUNT; ++iclass) {
		global_cache_t* cache = _memory_span_cache + iclass;
		size_t global_cache = (size_t)cache->count * iclass * _memory_span_size;

		size_t global_overflow_cache = 0;
		span_t* span = cache->overflow;
		while (span) {
			global_overflow_cache += iclass * _memory_span_size;
			span = span->next;
		}
		if (global_cache || global_overflow_cache || cache->insert_count || cache->extract_count)
			fprintf(file, "%4zu: %8zuMiB (%8zuMiB overflow) %14zu insert %14zu extract\n", iclass + 1, global_cache / (size_t)(1024 * 1024), global_overflow_cache / (size_t)(1024 * 1024), cache->insert_count, cache->extract_count);
	}
#endif

	size_t mapped = (size_t)atomic_load32(&_mapped_pages) * _memory_page_size;
	size_t mapped_os = (size_t)atomic_load32(&_mapped_pages_os) * _memory_page_size;
	size_t mapped_peak = (size_t)_mapped_pages_peak * _memory_page_size;
	size_t mapped_total = (size_t)atomic_load32(&_mapped_total) * _memory_page_size;
	size_t unmapped_total = (size_t)atomic_load32(&_unmapped_total) * _memory_page_size;
	fprintf(file, "MappedMiB MappedOSMiB MappedPeakMiB MappedTotalMiB UnmappedTotalMiB\n");
	fprintf(file, "%9zu %11zu %13zu %14zu %16zu\n",
		mapped / (size_t)(1024 * 1024),
		mapped_os / (size_t)(1024 * 1024),
		mapped_peak / (size_t)(1024 * 1024),