1 /*
2 * Copyright (c) 2013-2015 Wind River Systems, Inc.
3 * Copyright (c) 2016-2020 Intel Corporation.
4 *
5 * SPDX-License-Identifier: Apache-2.0
6 */
7
8 /**
9 * @file
10 * @brief Measure time
11 *
12 */
13 #include <zephyr/kernel.h>
14 #include <ksched.h>
15
16 #include "footprint.h"
17
18 #define STACK_SIZE 512
19
20 K_SEM_DEFINE(yield_sem, 0, 1);
21
test_thread_entry(void * p,void * p1,void * p2)22 void test_thread_entry(void *p, void *p1, void *p2)
23 {
24 static int i;
25
26 i++;
27 }
28
thread_swap(void * p1,void * p2,void * p3)29 void thread_swap(void *p1, void *p2, void *p3)
30 {
31 k_thread_abort(arch_current_thread());
32 }
33
thread_suspend(void * p1,void * p2,void * p3)34 void thread_suspend(void *p1, void *p2, void *p3)
35 {
36 k_thread_suspend(arch_current_thread());
37 }
38
thread_yield0(void * p1,void * p2,void * p3)39 void thread_yield0(void *p1, void *p2, void *p3)
40 {
41 uint32_t count = 0;
42
43 k_sem_take(&yield_sem, K_MSEC(10));
44
45 while (count != 1000U) {
46 count++;
47 k_yield();
48 }
49 }
50
thread_yield1(void * p1,void * p2,void * p3)51 void thread_yield1(void *p1, void *p2, void *p3)
52 {
53 k_sem_give(&yield_sem);
54 while (1) {
55 k_yield();
56 }
57 }
58
run_thread_system(void)59 void run_thread_system(void)
60 {
61 int prio;
62 k_tid_t yield0_tid;
63 k_tid_t yield1_tid;
64
65 k_tid_t my_tid = k_thread_create(&my_thread, my_stack_area,
66 STACK_SIZE,
67 thread_swap,
68 NULL, NULL, NULL,
69 5 /*priority*/, 0, K_FOREVER);
70
71 k_thread_priority_set(my_tid, 5);
72 prio = k_thread_priority_get(my_tid);
73 if (prio != 5) {
74 printk("thread priority is not set to 5!\n");
75 }
76
77 k_thread_start(my_tid);
78
79 k_thread_abort(my_tid);
80
81 k_tid_t sus_res_tid = k_thread_create(&my_thread, my_stack_area,
82 STACK_SIZE,
83 thread_suspend,
84 NULL, NULL, NULL,
85 -1 /*priority*/, 0, K_NO_WAIT);
86
87 k_thread_resume(sus_res_tid);
88
89 k_thread_join(sus_res_tid, K_FOREVER);
90
91 k_sleep(K_MSEC(10));
92
93 yield0_tid = k_thread_create(&my_thread, my_stack_area,
94 STACK_SIZE,
95 thread_yield0,
96 NULL, NULL, NULL,
97 0 /*priority*/, 0, K_NO_WAIT);
98
99 yield1_tid = k_thread_create(&my_thread_0, my_stack_area_0,
100 STACK_SIZE,
101 thread_yield1,
102 NULL, NULL, NULL,
103 0 /*priority*/, 0, K_NO_WAIT);
104
105 k_sleep(K_MSEC(1000));
106
107 k_thread_abort(yield0_tid);
108 k_thread_abort(yield1_tid);
109 }
110
