source: rtems/c/src/lib/libbsp/powerpc/motorola_powerpc/times.mcp750 @ 39ee704e

#
#  Timing Test Suite Results for this BSP on the MCP750
#

Thanks to Eric Valette <valette@crf.canon.fr> for running the timing
tests and reporting this information.

Target: 300 Mhz MCP750
CPU: MPC750
Clock Speed: 300 Mhz

Times are reported in nanoseconds.

Context Switch

context switch: self_______________________________________________0.708
context switch: to another task____________________________________0.649
context switch: no floating point contexts_________________________2.360
fp context switch: restore 1st FP task_____________________________6.490
fp context switch: save initialized, restore initialized___________0.767
fp context switch: save idle, restore initialized__________________0.885
fp context switch: save idle, restore idle_________________________6.195

Task Manager

rtems_task_create__________________________________________________4.003
rtems_task_ident___________________________________________________4.995
rtems_task_start___________________________________________________1.587
rtems_task_restart: calling task___________________________________1.788
rtems_task_restart: suspended task -- returns to caller____________1.849
rtems_task_restart: blocked task -- returns to caller______________2.082
rtems_task_restart: ready task -- returns to caller________________1.863
rtems_task_restart: suspended task -- preempts caller______________3.102
rtems_task_restart: blocked task -- preempts caller_______________12.744
rtems_task_restart: ready task -- preempts caller__________________3.009
rtems_task_delete: calling task____________________________________6.592
rtems_task_delete: suspended task__________________________________3.460
rtems_task_delete: blocked task____________________________________3.555
rtems_task_delete: ready task______________________________________3.797
rtems_task_suspend: calling task___________________________________3.066
rtems_task_suspend: returns to caller______________________________0.774
rtems_task_resume: task readied -- returns to caller_______________0.733
rtems_task_resume: task readied -- preempts caller_________________1.634
rtems_task_set_priority: obtain current priority___________________0.524
rtems_task_set_priority: returns to caller_________________________0.970
rtems_task_set_priority: preempts caller___________________________3.686
rtems_task_mode: obtain current mode_______________________________0.233
rtems_task_mode: no reschedule_____________________________________0.231
rtems_task_mode: reschedule -- returns to caller___________________1.711
rtems_task_mode: reschedule -- preempts caller_____________________3.304
rtems_task_get_note________________________________________________0.549
rtems_task_set_note________________________________________________0.548
rtems_task_wake_after: yield -- returns to caller__________________3.063
rtems_task_wake_after: yields -- preempts caller___________________3.063
rtems_task_wake_when_______________________________________________3.906

Interrupt Manager

interrupt entry overhead: returns to nested interrupt______________1.947
interrupt entry overhead: returns to interrupted task______________2.891
interrupt entry overhead: returns to preempting task_______________0.767
interrupt exit overhead: returns to nested interrupt_______________0.177
interrupt exit overhead: returns to interrupted task_______________0.885
interrupt exit overhead: returns to preempting task________________2.950

Clock Manager

rtems_clock_set____________________________________________________1.380
rtems_clock_get____________________________________________________0.164
rtems_clock_tick___________________________________________________5.487

Timer Manager

rtems_timer_create_________________________________________________0.959
rtems_timer_ident__________________________________________________4.822
rtems_timer_delete: inactive_______________________________________0.749
rtems_timer_delete: active_________________________________________0.815
rtems_timer_fire_after: inactive___________________________________1.047
rtems_timer_fire_after: active_____________________________________0.951
rtems_timer_fire_when: inactive____________________________________1.145
rtems_timer_fire_when: active______________________________________1.133
rtems_timer_reset: inactive________________________________________0.848
rtems_timer_reset: active__________________________________________0.892
rtems_timer_cancel: inactive_______________________________________0.500
rtems_timer_cancel: active_________________________________________0.552

Semaphore Manager

rtems_semaphore_create                                             4.248
rtems_semaphore_ident______________________________________________5.614
rtems_semaphore_delete_____________________________________________3.953
rtems_semaphore_obtain: available__________________________________0.639
rtems_semaphore_obtain: not available -- NO_WAIT___________________0.638
rtems_semaphore_obtain: not available -- caller blocks_____________3.914
rtems_semaphore_release: no waiting tasks__________________________0.825
rtems_semaphore_release: task readied -- returns to caller_________1.175
rtems_semaphore_release: task readied -- preempts caller___________2.789

Message Queue Manager

rtems_message_queue_create________________________________________48.380
rtems_message_queue_ident__________________________________________4.936
rtems_message_queue_delete_________________________________________2.891
rtems_message_queue_send: no waiting tasks_________________________1.149
rtems_message_queue_send: task readied -- returns to caller________1.489
rtems_message_queue_send: task readied -- preempts caller__________3.000
rtems_message_queue_urgent: no waiting tasks_______________________1.145
rtems_message_queue_urgent: task readied -- returns to caller______1.508
rtems_message_queue_urgent: task readied -- preempts caller________2.961
rtems_message_queue_broadcast: no waiting tasks____________________0.866
rtems_message_queue_broadcast: task readied -- returns to caller___9.735
rtems_message_queue_broadcast: task readied -- preempts caller_____2.891
rtems_message_queue_receive: available_____________________________0.874
rtems_message_queue_receive: not available -- NO_WAIT______________0.757
rtems_message_queue_receive: not available -- caller blocks________4.091
rtems_message_queue_flush: no messages flushed_____________________0.554
rtems_message_queue_flush: messages flushed________________________0.605

Event Manager

rtems_event_send: no task readied__________________________________0.542
rtems_event_send: task readied -- returns to caller________________1.196
rtems_event_send: task readied -- preempts caller__________________2.558
rtems_event_receive: obtain current events_________________________0.082
rtems_event_receive: available_____________________________________0.590
rtems_event_receive: not available -- NO_WAIT______________________0.551
rtems_event_receive: not available -- caller blocks________________3.545

Signal Manager

rtems_signal_catch_________________________________________________0.944
rtems_signal_send: returns to caller_______________________________3.186
rtems_signal_send: signal to self__________________________________5.959
exit ASR overhead: returns to calling task_________________________2.950
exit ASR overhead: returns to preempting task______________________1.180

Partition Manager

rtems_partition_create____________________________________________17.464
rtems_partition_ident______________________________________________4.810
rtems_partition_delete_____________________________________________1.475
rtems_partition_get_buffer: available______________________________3.304
rtems_partition_get_buffer: not available__________________________0.472
rtems_partition_return_buffer______________________________________1.947

Region Manager

rtems_region_create________________________________________________4.425
rtems_region_ident_________________________________________________4.917
rtems_region_delete________________________________________________1.829
rtems_region_get_segment: available________________________________1.121
rtems_region_get_segment: not available -- NO_WAIT_________________1.770
rtems_region_get_segment: not available -- caller blocks___________6.667
rtems_region_return_segment: no waiting tasks______________________0.944
rtems_region_return_segment: task readied -- returns to caller_____1.298
rtems_region_return_segment: task readied -- preempts caller_______9.322
 
Dual-Ported Memory Manager

rtems_port_create__________________________________________________6.372
rtems_port_ident___________________________________________________4.803
rtems_port_delete__________________________________________________3.245
rtems_port_internal_to_external____________________________________0.490
rtems_port_external_to_internal____________________________________0.502

IO Manager

rtems_io_initialize________________________________________________0.090
rtems_io_open______________________________________________________0.075
rtems_io_close_____________________________________________________0.086
rtems_io_read______________________________________________________0.069
rtems_io_write_____________________________________________________0.082
rtems_io_control___________________________________________________0.081

Rate Monotonic Manager

rtems_rate_monotonic_create________________________________________7.080
rtems_rate_monotonic_ident_________________________________________4.814
rtems_rate_monotonic_cancel________________________________________5.369
rtems_rate_monotonic_delete: active________________________________1.121
rtems_rate_monotonic_delete: inactive______________________________4.248
rtems_rate_monotonic_period: obtain status_________________________2.419
rtems_rate_monotonic_period: initiate period -- returns to caller__9.204
rtems_rate_monotonic_period: conclude periods -- caller blocks_____2.131