selftests/mm/ksm_tests.c

218 static int ksm_do_scan(int scan_count, struct timespec start_time, int timeout)
234 		if ((cur_time.tv_sec - start_time.tv_sec) > timeout) {
244 			struct timespec start_time, int timeout)
262 	if (ksm_do_scan(2, start_time, timeout))
269 			     struct timespec start_time, int timeout)
351 	struct timespec start_time;
353 	if (clock_gettime(CLOCK_MONOTONIC_RAW, &start_time)) {
363 	if (ksm_merge_pages(merge_type, map_ptr, page_size * page_count, start_time, timeout))
384 	struct timespec start_time;
387 	if (clock_gettime(CLOCK_MONOTONIC_RAW, &start_time)) {
397 	if (ksm_merge_pages(merge_type, map_ptr, page_size * page_count, start_time, timeout))
405 	if (ksm_do_scan(1, start_time, timeout))
425 	struct timespec start_time;
427 	if (clock_gettime(CLOCK_MONOTONIC_RAW, &start_time)) {
440 	if (ksm_merge_pages(merge_type, map_ptr, page_size * page_count, start_time, timeout))
490 	struct timespec start_time;
494 	if (clock_gettime(CLOCK_MONOTONIC_RAW, &start_time)) {
523 	if (ksm_merge_pages(merge_type, numa1_map_ptr, page_size, start_time, timeout) ||
524 	    ksm_merge_pages(merge_type, numa2_map_ptr, page_size, start_time, timeout))
554 	struct timespec start_time, end_time;
589 	if (clock_gettime(CLOCK_MONOTONIC_RAW, &start_time)) {
593 	if (ksm_merge_pages(merge_type, map_ptr, map_size, start_time, timeout))
600 	scan_time_ns = (end_time.tv_sec - start_time.tv_sec) * NSEC_PER_SEC +
601 		       (end_time.tv_nsec - start_time.tv_nsec);
621 	struct timespec start_time, end_time;
630 	if (clock_gettime(CLOCK_MONOTONIC_RAW, &start_time)) {
634 	if (ksm_merge_pages(merge_type, map_ptr, map_size, start_time, timeout))
641 	scan_time_ns = (end_time.tv_sec - start_time.tv_sec) * NSEC_PER_SEC +
642 		       (end_time.tv_nsec - start_time.tv_nsec);
662 	struct timespec start_time, end_time;
670 	if (clock_gettime(CLOCK_MONOTONIC_RAW, &start_time)) {
674 	if (ksm_merge_pages(merge_type, map_ptr, map_size, start_time, timeout))
677 	if (clock_gettime(CLOCK_MONOTONIC_RAW, &start_time)) {
681 	if (ksm_unmerge_pages(map_ptr, map_size, start_time, timeout))
688 	scan_time_ns = (end_time.tv_sec - start_time.tv_sec) * NSEC_PER_SEC +
689 		       (end_time.tv_nsec - start_time.tv_nsec);
709 	struct timespec start_time, end_time;
719 	if (clock_gettime(CLOCK_MONOTONIC_RAW, &start_time)) {
730 	cow_time_ns = (end_time.tv_sec - start_time.tv_sec) * NSEC_PER_SEC +
731 		       (end_time.tv_nsec - start_time.tv_nsec);
745 	if (ksm_merge_pages(merge_type, map_ptr, page_size * page_count, start_time, timeout))
748 	if (clock_gettime(CLOCK_MONOTONIC_RAW, &start_time)) {
759 	cow_time_ns = (end_time.tv_sec - start_time.tv_sec) * NSEC_PER_SEC +
760 		       (end_time.tv_nsec - start_time.tv_nsec);