1f08c3bdfSopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 2f08c3bdfSopenharmony_ci * Copyright (C) 2011 Red Hat, Inc. 3f08c3bdfSopenharmony_ci * Copyright (C) 2021 Xie Ziyao <xieziyao@huawei.com> 4f08c3bdfSopenharmony_ci */ 5f08c3bdfSopenharmony_ci 6f08c3bdfSopenharmony_ci#ifndef LTP_GETRUSAGE03_H 7f08c3bdfSopenharmony_ci#define LTP_GETRUSAGE03_H 8f08c3bdfSopenharmony_ci 9f08c3bdfSopenharmony_ci#include "tst_test.h" 10f08c3bdfSopenharmony_ci 11f08c3bdfSopenharmony_ci#define DELTA_MAX 20480 12f08c3bdfSopenharmony_ci 13f08c3bdfSopenharmony_cistatic void consume_mb(int consume_nr) 14f08c3bdfSopenharmony_ci{ 15f08c3bdfSopenharmony_ci void *ptr; 16f08c3bdfSopenharmony_ci size_t size; 17f08c3bdfSopenharmony_ci unsigned long vmswap_size; 18f08c3bdfSopenharmony_ci 19f08c3bdfSopenharmony_ci mlockall(MCL_CURRENT|MCL_FUTURE); 20f08c3bdfSopenharmony_ci 21f08c3bdfSopenharmony_ci size = consume_nr * 1024 * 1024; 22f08c3bdfSopenharmony_ci ptr = SAFE_MALLOC(size); 23f08c3bdfSopenharmony_ci memset(ptr, 0, size); 24f08c3bdfSopenharmony_ci 25f08c3bdfSopenharmony_ci SAFE_FILE_LINES_SCANF("/proc/self/status", "VmSwap: %lu", &vmswap_size); 26f08c3bdfSopenharmony_ci if (vmswap_size > 0) 27f08c3bdfSopenharmony_ci tst_brk(TBROK, "VmSwap is not zero"); 28f08c3bdfSopenharmony_ci} 29f08c3bdfSopenharmony_ci 30f08c3bdfSopenharmony_cistatic int is_in_delta(long value) 31f08c3bdfSopenharmony_ci{ 32f08c3bdfSopenharmony_ci return (value >= -DELTA_MAX && value <= DELTA_MAX); 33f08c3bdfSopenharmony_ci} 34f08c3bdfSopenharmony_ci 35f08c3bdfSopenharmony_ci#endif //LTP_GETRUSAGE03_H 36