1 /* sema_b.c */
2
3 /*
4 * Copyright (c) 1997-2010, 2013-2015 Wind River Systems, Inc.
5 *
6 * SPDX-License-Identifier: Apache-2.0
7 */
8
9 #include "master.h"
10
11 #ifdef SEMA_BENCH
12
13
14 /**
15 *
16 * @brief Semaphore signal speed test
17 *
18 */
sema_test(void)19 void sema_test(void)
20 {
21 uint32_t et; /* elapsed Time */
22 int i;
23
24 PRINT_STRING(dashline);
25 et = BENCH_START();
26 for (i = 0; i < NR_OF_SEMA_RUNS; i++) {
27 k_sem_give(&SEM0);
28 }
29 et = TIME_STAMP_DELTA_GET(et);
30 check_result();
31
32 PRINT_F(FORMAT, "signal semaphore",
33 SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_SEMA_RUNS));
34
35 k_sem_reset(&SEM1);
36 k_sem_give(&STARTRCV);
37
38 et = BENCH_START();
39 for (i = 0; i < NR_OF_SEMA_RUNS; i++) {
40 k_sem_give(&SEM1);
41 }
42 et = TIME_STAMP_DELTA_GET(et);
43 check_result();
44
45 PRINT_F(FORMAT, "signal to waiting high pri task",
46 SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_SEMA_RUNS));
47
48 et = BENCH_START();
49 for (i = 0; i < NR_OF_SEMA_RUNS; i++) {
50 k_sem_give(&SEM1);
51 }
52 et = TIME_STAMP_DELTA_GET(et);
53 check_result();
54
55 PRINT_F(FORMAT, "signal to waiting high pri task, with timeout",
56 SYS_CLOCK_HW_CYCLES_TO_NS_AVG(et, NR_OF_SEMA_RUNS));
57
58 }
59
60 #endif /* SEMA_BENCH */
61
