/* mutex_b.c */ /* * Copyright (c) 1997-2010, 2013-2015 Wind River Systems, Inc. * * SPDX-License-Identifier: Apache-2.0 */ #include "master.h" /** * @brief Mutex lock/unlock test */ void mutex_test(void) { uint32_t et; /* elapsed time */ int i; timing_t start; timing_t end; PRINT_STRING(dashline); start = timing_timestamp_get(); for (i = 0; i < NR_OF_MUTEX_RUNS; i++) { k_mutex_lock(&DEMO_MUTEX, K_FOREVER); k_mutex_unlock(&DEMO_MUTEX); } end = timing_timestamp_get(); et = (uint32_t)timing_cycles_get(&start, &end); PRINT_F(FORMAT, "average lock and unlock mutex", SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, (2 * NR_OF_MUTEX_RUNS))); }