| /* 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))); |
| } |
