1 /*
2 * Copyright (c) 2017 Intel Corporation
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/ztest.h>
8 #include <zephyr/pm/pm.h>
9 #include <zephyr/irq_offload.h>
10 #include <zephyr/debug/stack.h>
11
12 #define SLEEP_MS 100
13 #define NUM_OF_WORK 2
14 #define TEST_STRING "TEST"
15
16 static struct k_work work[NUM_OF_WORK];
17 static struct k_sem sync_sema;
18
19 /**TESTPOINT: stack analyze*/
tdata_dump_callback(const struct k_thread * thread,void * user_data)20 static void tdata_dump_callback(const struct k_thread *thread, void *user_data)
21 {
22 log_stack_usage(thread);
23 }
24
25 /* Our PM policy handler */
pm_policy_next_state(uint8_t cpu,int32_t ticks)26 const struct pm_state_info *pm_policy_next_state(uint8_t cpu, int32_t ticks)
27 {
28 static bool test_flag;
29
30 ARG_UNUSED(cpu);
31
32 /* Call k_thread_foreach only once otherwise it will
33 * flood the console with stack dumps.
34 */
35 if (!test_flag) {
36 k_thread_foreach(tdata_dump_callback, NULL);
37 test_flag = true;
38 }
39
40 return NULL;
41 }
42
43 /*work handler*/
work_handler(struct k_work * w)44 static void work_handler(struct k_work *w)
45 {
46 k_thread_foreach(tdata_dump_callback, NULL);
47 k_sem_give(&sync_sema);
48 }
49
50 /**
51 * @brief Tests for kernel profiling
52 * @defgroup kernel_profiling_tests Profiling
53 * @ingroup all_tests
54 * @{
55 * @}
56 */
57
58 /**
59 * @brief Test stack usage through main thread
60 *
61 * This test prints the main, idle, interrupt and system workqueue
62 * stack usage through main thread.
63 *
64 * @ingroup kernel_profiling_tests
65 *
66 * @see k_thread_foreach(), log_stack_usage()
67 */
ZTEST(profiling_api,test_call_stacks_analyze_main)68 ZTEST(profiling_api, test_call_stacks_analyze_main)
69 {
70 TC_PRINT("from main thread:\n");
71 k_thread_foreach(tdata_dump_callback, NULL);
72 }
73
74 /**
75 * @brief Test stack usage through idle thread
76 *
77 * This test prints the main, idle, interrupt and system workqueue
78 * stack usage through idle thread.
79 *
80 * @ingroup kernel_profiling_tests
81 *
82 * @see k_thread_foreach(), pm_system_suspend(), pm_system_resume(),
83 * log_stack_usage()
84 */
ZTEST(profiling_api_1cpu,test_call_stacks_analyze_idle)85 ZTEST(profiling_api_1cpu, test_call_stacks_analyze_idle)
86 {
87 TC_PRINT("from idle thread:\n");
88 k_msleep(SLEEP_MS);
89 }
90
91 /**
92 * @brief Test stack usage through system workqueue
93 *
94 * This test prints the main, idle, interrupt and system workqueue
95 * stack usage through system workqueue.
96 *
97 * @ingroup kernel_profiling_tests
98 *
99 * @see k_thread_foreach(), k_work_init(), k_work_submit(),
100 * log_stack_usage()
101 */
ZTEST(profiling_api_1cpu,test_call_stacks_analyze_workq)102 ZTEST(profiling_api_1cpu, test_call_stacks_analyze_workq)
103 {
104 TC_PRINT("from workq:\n");
105 k_sem_init(&sync_sema, 0, NUM_OF_WORK);
106 for (int i = 0; i < NUM_OF_WORK; i++) {
107 k_work_init(&work[i], work_handler);
108 k_work_submit(&work[i]);
109 k_sem_take(&sync_sema, K_FOREVER);
110 }
111 }
112
113 /*TODO: add test case to capture the usage of interrupt call stack*/
114
115 ZTEST_SUITE(profiling_api, NULL, NULL, NULL, NULL, NULL);
116
117 ZTEST_SUITE(profiling_api_1cpu, NULL, NULL,
118 ztest_simple_1cpu_before, ztest_simple_1cpu_after, NULL);
119
