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times.mcp750 @ d5154d0f

Last change on this file since d5154d0f was d5154d0f, checked in by Aun-Ali Zaidi <admin@…>, on 12/23/15 at 20:44:02

api: Remove deprecated Notepads

Notepads where a feature of RTEMS' tasks that simply functioned in
the same way as POSIX keys or threaded local storage (TLS). They were
introduced well before per task variables, which are also deprecated,
and were barely used in favor of their POSIX alternatives.

In addition to their scarce usage, Notepads took up unnecessary memory.
For each task:

16 32-bit integers were allocated.
A total of 64 bytes per task per thread.

This is especially critical in low memory and safety-critical applications.

They are also defined as uint32_t, and therefore are not guaranteed to
hold a pointer.

Lastly, they are not portable solutions for SMP and uniprocessor systems,
like POSIX keys and TLS.

updates #2493.

Property mode set to 100644

File size: 9.6 KB

Line
1	#
2	# Timing Test Suite Results for this BSP on the MCP750
3	#
4
5	Thanks to Eric Valette <valette@crf.canon.fr> for running the timing
6	tests and reporting this information.
7
8	Target: 300 Mhz MCP750
9	CPU: MPC750
10	Clock Speed: 300 Mhz
11
12	Times are reported in nanoseconds.
13
14	Context Switch
15
16	context switch: self_______________________________________________0.708
17	context switch: to another task____________________________________0.649
18	context switch: no floating point contexts_________________________2.360
19	fp context switch: restore 1st FP task_____________________________6.490
20	fp context switch: save initialized, restore initialized___________0.767
21	fp context switch: save idle, restore initialized__________________0.885
22	fp context switch: save idle, restore idle_________________________6.195
23
24	Task Manager
25
26	rtems_task_create__________________________________________________4.003
27	rtems_task_ident___________________________________________________4.995
28	rtems_task_start___________________________________________________1.587
29	rtems_task_restart: calling task___________________________________1.788
30	rtems_task_restart: suspended task -- returns to caller____________1.849
31	rtems_task_restart: blocked task -- returns to caller______________2.082
32	rtems_task_restart: ready task -- returns to caller________________1.863
33	rtems_task_restart: suspended task -- preempts caller______________3.102
34	rtems_task_restart: blocked task -- preempts caller_______________12.744
35	rtems_task_restart: ready task -- preempts caller__________________3.009
36	rtems_task_delete: calling task____________________________________6.592
37	rtems_task_delete: suspended task__________________________________3.460
38	rtems_task_delete: blocked task____________________________________3.555
39	rtems_task_delete: ready task______________________________________3.797
40	rtems_task_suspend: calling task___________________________________3.066
41	rtems_task_suspend: returns to caller______________________________0.774
42	rtems_task_resume: task readied -- returns to caller_______________0.733
43	rtems_task_resume: task readied -- preempts caller_________________1.634
44	rtems_task_set_priority: obtain current priority___________________0.524
45	rtems_task_set_priority: returns to caller_________________________0.970
46	rtems_task_set_priority: preempts caller___________________________3.686
47	rtems_task_mode: obtain current mode_______________________________0.233
48	rtems_task_mode: no reschedule_____________________________________0.231
49	rtems_task_mode: reschedule -- returns to caller___________________1.711
50	rtems_task_mode: reschedule -- preempts caller_____________________3.304
51	rtems_task_wake_after: yield -- returns to caller__________________3.063
52	rtems_task_wake_after: yields -- preempts caller___________________3.063
53	rtems_task_wake_when_______________________________________________3.906
54
55	Interrupt Manager
56
57	interrupt entry overhead: returns to nested interrupt______________1.947
58	interrupt entry overhead: returns to interrupted task______________2.891
59	interrupt entry overhead: returns to preempting task_______________0.767
60	interrupt exit overhead: returns to nested interrupt_______________0.177
61	interrupt exit overhead: returns to interrupted task_______________0.885
62	interrupt exit overhead: returns to preempting task________________2.950
63
64	Clock Manager
65
66	rtems_clock_set____________________________________________________1.380
67	rtems_clock_get____________________________________________________0.164
68	rtems_clock_tick___________________________________________________5.487
69
70	Timer Manager
71
72	rtems_timer_create_________________________________________________0.959
73	rtems_timer_ident__________________________________________________4.822
74	rtems_timer_delete: inactive_______________________________________0.749
75	rtems_timer_delete: active_________________________________________0.815
76	rtems_timer_fire_after: inactive___________________________________1.047
77	rtems_timer_fire_after: active_____________________________________0.951
78	rtems_timer_fire_when: inactive____________________________________1.145
79	rtems_timer_fire_when: active______________________________________1.133
80	rtems_timer_reset: inactive________________________________________0.848
81	rtems_timer_reset: active__________________________________________0.892
82	rtems_timer_cancel: inactive_______________________________________0.500
83	rtems_timer_cancel: active_________________________________________0.552
84
85	Semaphore Manager
86
87	rtems_semaphore_create 4.248
88	rtems_semaphore_ident______________________________________________5.614
89	rtems_semaphore_delete_____________________________________________3.953
90	rtems_semaphore_obtain: available__________________________________0.639
91	rtems_semaphore_obtain: not available -- NO_WAIT___________________0.638
92	rtems_semaphore_obtain: not available -- caller blocks_____________3.914
93	rtems_semaphore_release: no waiting tasks__________________________0.825
94	rtems_semaphore_release: task readied -- returns to caller_________1.175
95	rtems_semaphore_release: task readied -- preempts caller___________2.789
96
97	Message Queue Manager
98
99	rtems_message_queue_create________________________________________48.380
100	rtems_message_queue_ident__________________________________________4.936
101	rtems_message_queue_delete_________________________________________2.891
102	rtems_message_queue_send: no waiting tasks_________________________1.149
103	rtems_message_queue_send: task readied -- returns to caller________1.489
104	rtems_message_queue_send: task readied -- preempts caller__________3.000
105	rtems_message_queue_urgent: no waiting tasks_______________________1.145
106	rtems_message_queue_urgent: task readied -- returns to caller______1.508
107	rtems_message_queue_urgent: task readied -- preempts caller________2.961
108	rtems_message_queue_broadcast: no waiting tasks____________________0.866
109	rtems_message_queue_broadcast: task readied -- returns to caller___9.735
110	rtems_message_queue_broadcast: task readied -- preempts caller_____2.891
111	rtems_message_queue_receive: available_____________________________0.874
112	rtems_message_queue_receive: not available -- NO_WAIT______________0.757
113	rtems_message_queue_receive: not available -- caller blocks________4.091
114	rtems_message_queue_flush: no messages flushed_____________________0.554
115	rtems_message_queue_flush: messages flushed________________________0.605
116
117	Event Manager
118
119	rtems_event_send: no task readied__________________________________0.542
120	rtems_event_send: task readied -- returns to caller________________1.196
121	rtems_event_send: task readied -- preempts caller__________________2.558
122	rtems_event_receive: obtain current events_________________________0.082
123	rtems_event_receive: available_____________________________________0.590
124	rtems_event_receive: not available -- NO_WAIT______________________0.551
125	rtems_event_receive: not available -- caller blocks________________3.545
126
127	Signal Manager
128
129	rtems_signal_catch_________________________________________________0.944
130	rtems_signal_send: returns to caller_______________________________3.186
131	rtems_signal_send: signal to self__________________________________5.959
132	exit ASR overhead: returns to calling task_________________________2.950
133	exit ASR overhead: returns to preempting task______________________1.180
134
135	Partition Manager
136
137	rtems_partition_create____________________________________________17.464
138	rtems_partition_ident______________________________________________4.810
139	rtems_partition_delete_____________________________________________1.475
140	rtems_partition_get_buffer: available______________________________3.304
141	rtems_partition_get_buffer: not available__________________________0.472
142	rtems_partition_return_buffer______________________________________1.947
143
144	Region Manager
145
146	rtems_region_create________________________________________________4.425
147	rtems_region_ident_________________________________________________4.917
148	rtems_region_delete________________________________________________1.829
149	rtems_region_get_segment: available________________________________1.121
150	rtems_region_get_segment: not available -- NO_WAIT_________________1.770
151	rtems_region_get_segment: not available -- caller blocks___________6.667
152	rtems_region_return_segment: no waiting tasks______________________0.944
153	rtems_region_return_segment: task readied -- returns to caller_____1.298
154	rtems_region_return_segment: task readied -- preempts caller_______9.322
155
156	Dual-Ported Memory Manager
157
158	rtems_port_create__________________________________________________6.372
159	rtems_port_ident___________________________________________________4.803
160	rtems_port_delete__________________________________________________3.245
161	rtems_port_internal_to_external____________________________________0.490
162	rtems_port_external_to_internal____________________________________0.502
163
164	IO Manager
165
166	rtems_io_initialize________________________________________________0.090
167	rtems_io_open______________________________________________________0.075
168	rtems_io_close_____________________________________________________0.086
169	rtems_io_read______________________________________________________0.069
170	rtems_io_write_____________________________________________________0.082
171	rtems_io_control___________________________________________________0.081
172
173	Rate Monotonic Manager
174
175	rtems_rate_monotonic_create________________________________________7.080
176	rtems_rate_monotonic_ident_________________________________________4.814
177	rtems_rate_monotonic_cancel________________________________________5.369
178	rtems_rate_monotonic_delete: active________________________________1.121
179	rtems_rate_monotonic_delete: inactive______________________________4.248
180	rtems_rate_monotonic_period: obtain status_________________________2.419
181	rtems_rate_monotonic_period: initiate period -- returns to caller__9.204
182	rtems_rate_monotonic_period: conclude periods -- caller blocks_____2.131
183
184
185

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