blob: dc549b7e9ac7843921e18f42a1751f680cf0498b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
copyrights:
- Copyright (C) 2021 embedded brains GmbH & Co. KG
enabled-by: true
links: []
test-actions:
- action-brief: |
Create a worker thread. Generate some CPU usage.
action-code: |
rtems_id id;
Thread_Control *self;
Thread_Control *other;
Timestamp_Control cpu_usage_self;
Timestamp_Control cpu_usage_other;
uint32_t idle_tasks;
uint32_t cpu_index;
idle_tasks = 0;
for ( cpu_index = 0; cpu_index < rtems_scheduler_get_processor_maximum(); ++cpu_index ) {
rtems_status_code sc;
rtems_id unused;
sc = rtems_scheduler_ident_by_processor( cpu_index, &unused );
if ( sc == RTEMS_SUCCESSFUL ) {
++idle_tasks;
}
}
id = CreateTask( "WORK", GetSelfPriority() );
StartTask( id, Worker, NULL );
self = GetThread( RTEMS_SELF );
other = GetThread( id );
Yield();
Yield();
checks:
- brief: |
Check that we have a non-zero CPU usage. Reset the CPU usage. Check
that it was cleared to zero.
code: |
TimecounterTick();
cpu_usage_self = _Thread_Get_CPU_time_used( self );
cpu_usage_other = _Thread_Get_CPU_time_used( other );
T_gt_i64( _Thread_Get_CPU_time_used_after_last_reset( self ), 0 );
T_gt_i64( _Thread_Get_CPU_time_used_after_last_reset( other ), 0 );
rtems_cpu_usage_reset();
/*
* Our CPU usage after the last reset is now exactly one tick of the
* software timecounter.
*/
T_eq_i64( _Thread_Get_CPU_time_used_after_last_reset( self ), 4295 );
T_eq_i64(
_Thread_Get_CPU_time_used( self ),
cpu_usage_self + 12885 + 4295 * idle_tasks
);
T_eq_i64( _Thread_Get_CPU_time_used_after_last_reset( other ), 0 );
T_eq_i64( _Thread_Get_CPU_time_used( other ), cpu_usage_other );
links:
- role: validation
uid: ../req/reset
- brief: |
Clean up all used resources.
code: |
DeleteTask( id );
links: []
links: []
test-brief: |
Tests the CPU usage reporting and reset.
test-context: []
test-context-support: null
test-description: null
test-header: null
test-includes:
- rtems/cpuuse.h
- rtems/score/threadimpl.h
test-local-includes:
- tx-support.h
test-setup: null
test-stop: null
test-support: |
static void Worker( rtems_task_argument arg )
{
(void) arg;
while ( true ) {
Yield();
}
}
test-target: testsuites/validation/tc-cpuuse.c
test-teardown: null
type: test-case
|
