Differential D6564 Diff 21290 intern/guardedalloc/intern/mallocn_guarded_impl.c

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intern/guardedalloc/intern/mallocn_guarded_impl.c

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	{			{
	MemHead *membl;			MemHead *membl;
	MemPrintBlock pb, printblock;			MemPrintBlock pb, printblock;
	unsigned int totpb, a, b;			unsigned int totpb, a, b;
	size_t mem_in_use_slop = 0;			size_t mem_in_use_slop = 0;

	mem_lock_thread();			mem_lock_thread();

				if (totblock != 0) {
	/* put memory blocks into array */			/* put memory blocks into array */
	printblock = malloc(sizeof(MemPrintBlock) * totblock);			printblock = malloc(sizeof(MemPrintBlock) * totblock);

				if (UNLIKELY(!printblock)) {
				mem_unlock_thread();
				print_error("malloc returned null while generating stats");
				return;
				}
				}
				else {
				printblock = NULL;
				}

	pb = printblock;			pb = printblock;
	totpb = 0;			totpb = 0;

	membl = membase->first;			membl = membase->first;
	if (membl)			if (membl)
	membl = MEMNEXT(membl);			membl = MEMNEXT(membl);

	while (membl) {			while (membl && pb) {
	pb->name = membl->name;			pb->name = membl->name;
	pb->len = membl->len;			pb->len = membl->len;
	pb->items = 1;			pb->items = 1;

	totpb++;			totpb++;
	pb++;			pb++;

	#ifdef USE_MALLOC_USABLE_SIZE			#ifdef USE_MALLOC_USABLE_SIZE
	if (!membl->mmap && membl->alignment == 0) {			if (!membl->mmap && membl->alignment == 0) {
	mem_in_use_slop += (sizeof(MemHead) + sizeof(MemTail) + malloc_usable_size((void *)membl)) -			mem_in_use_slop += (sizeof(MemHead) + sizeof(MemTail) + malloc_usable_size((void *)membl)) -
	membl->len;			membl->len;
	}			}
	#endif			#endif

	if (membl->next)			if (membl->next)
	membl = MEMNEXT(membl->next);			membl = MEMNEXT(membl->next);
	else			else
	break;			break;
	}			}

	/* sort by name and add together blocks with the same name */			/* sort by name and add together blocks with the same name */
				if (totpb > 1) {
	qsort(printblock, totpb, sizeof(MemPrintBlock), compare_name);			qsort(printblock, totpb, sizeof(MemPrintBlock), compare_name);
				}

	for (a = 0, b = 0; a < totpb; a++) {			for (a = 0, b = 0; a < totpb; a++) {
	if (a == b) {			if (a == b) {
	continue;			continue;
	}			}
	else if (strcmp(printblock[a].name, printblock[b].name) == 0) {			else if (strcmp(printblock[a].name, printblock[b].name) == 0) {
	printblock[b].len += printblock[a].len;			printblock[b].len += printblock[a].len;
	printblock[b].items++;			printblock[b].items++;
	}			}
	else {			else {
	b++;			b++;
	memcpy(&printblock[b], &printblock[a], sizeof(MemPrintBlock));			memcpy(&printblock[b], &printblock[a], sizeof(MemPrintBlock));
	}			}
	}			}
	totpb = b + 1;			totpb = b + 1;

	/* sort by length and print */			/* sort by length and print */
				if (totpb > 1) {
	qsort(printblock, totpb, sizeof(MemPrintBlock), compare_len);			qsort(printblock, totpb, sizeof(MemPrintBlock), compare_len);
				}

	printf("\ntotal memory len: %.3f MB\n", (double)mem_in_use / (double)(1024 * 1024));			printf("\ntotal memory len: %.3f MB\n", (double)mem_in_use / (double)(1024 * 1024));
	printf("peak memory len: %.3f MB\n", (double)peak_mem / (double)(1024 * 1024));			printf("peak memory len: %.3f MB\n", (double)peak_mem / (double)(1024 * 1024));
	printf("slop memory len: %.3f MB\n", (double)mem_in_use_slop / (double)(1024 * 1024));			printf("slop memory len: %.3f MB\n", (double)mem_in_use_slop / (double)(1024 * 1024));
	printf(" ITEMS TOTAL-MiB AVERAGE-KiB TYPE\n");			printf(" ITEMS TOTAL-MiB AVERAGE-KiB TYPE\n");
	for (a = 0, pb = printblock; a < totpb; a++, pb++) {			for (a = 0, pb = printblock; a < totpb; a++, pb++) {
	printf("%6d (%8.3f %8.3f) %s\n",			printf("%6d (%8.3f %8.3f) %s\n",
	pb->items,			pb->items,
	(double)pb->len / (double)(1024 * 1024),			(double)pb->len / (double)(1024 * 1024),
	(double)pb->len / 1024.0 / (double)pb->items,			(double)pb->len / 1024.0 / (double)pb->items,
	pb->name);			pb->name);
	}			}

				if (printblock != NULL) {
	free(printblock);			free(printblock);
				}

	mem_unlock_thread();			mem_unlock_thread();

	#ifdef HAVE_MALLOC_STATS			#ifdef HAVE_MALLOC_STATS
	printf("System Statistics:\n");			printf("System Statistics:\n");
	malloc_stats();			malloc_stats();
	#endif			#endif
	}			}
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