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#
#  Timing Test Suite Results for the pc386 BSP using an i486DX
#
#  $Id: times_i486dx,v 1.2 2001-09-27 11:59:47 chris Exp $
#

Board:                PC/AT clone
CPU:                  Intel i486DX
Clock Speed:          33 Mhz
Memory Configuration: DRAM w/256K cache
Wait States:          unknown

Times Reported in:    microseconds
Timer Source:         i8254

Column A:             3.5.1 pre-release
Column B:             3.5.17 pre-release

#                          DESCRIPTION                                 A    B
== =================================================================  ==== ====
 1 rtems_semaphore_create                                               57   66
   rtems_semaphore_delete                                               59   61
   rtems_semaphore_obtain: available                                     9    7
   rtems_semaphore_obtain: not available -- NO_WAIT                      8    7
   rtems_semaphore_release: no waiting tasks                             9    8

 2 rtems_semaphore_obtain: not available -- caller blocks               39   37

 3 rtems_semaphore_release: task readied -- preempts caller             25   24

 4 rtems_task_restart: blocked task -- preempts caller                 124  102
   rtems_task_restart: ready task -- preempts caller                    55  111
   rtems_semaphore_release: task readied -- returns to caller           16   15
   rtems_task_create                                                    31   30
   rtems_task_start                                                     19   18
   rtems_task_restart: suspended task -- returns to caller              20   19
   rtems_task_delete: suspended task                                    28   26
   rtems_task_restart: ready task -- returns to caller                  20   19
   rtems_task_restart: blocked task -- returns to caller                28   26
   rtems_task_delete: blocked task                                      34   28

 5 rtems_task_suspend: calling task                                     26   23
   rtems_task_resume: task readied -- preempts caller                   17   15

 6 rtems_task_restart: calling task                                     22   19
   rtems_task_suspend: returns to caller                                10    8
   rtems_task_resume: task readied -- returns to caller                 10    8
   rtems_task_delete: ready task                                        34   33

 7 rtems_task_restart: suspended task -- preempts caller                37   34

 8 rtems_task_set_priority: obtain current priority                      7    5
   rtems_task_set_priority: returns to caller                           13   12
   rtems_task_mode: obtain current mode                                  3    3
   rtems_task_mode: no reschedule                                        4    4
   rtems_task_mode: reschedule -- returns to caller                     20   17
   rtems_task_mode: reschedule -- preempts caller                       39   37
   rtems_task_set_note                                                   7    5
   rtems_task_get_note                                                   7    5
   rtems_clock_set                                                      17   16
   rtems_clock_get                                                       2    1

 9 rtems_message_queue_create                                          117  113
   rtems_message_queue_send: no waiting tasks                           22   19
   rtems_message_queue_urgent: no waiting tasks                         22   19
   rtems_message_queue_receive: available                               18   16
   rtems_message_queue_flush: no messages flushed                       15   14
   rtems_message_queue_flush: messages flushed                          17   17
   rtems_message_queue_delete                                           63   63

10 rtems_message_queue_receive: not available -- NO_WAIT                10    8
   rtems_message_queue_receive: not available -- caller blocks          42   40

11 rtems_message_queue_send: task readied -- preempts caller            38   37

12 rtems_message_queue_send: task readied -- returns to caller          27   24

13 rtems_message_queue_urgent: task readied -- preempts caller          38   36

14 rtems_message_queue_urgent: task readied -- returns to caller        26   24

15 rtems_event_receive: obtain current events                            0    0
   rtems_event_receive: not available -- NO_WAIT                         6    5
   rtems_event_receive: not available -- caller blocks                  34   33
   rtems_event_send: no task readied                                     6    5
   rtems_event_receive: available                                       21   19
   rtems_event_send: task readied -- returns to caller                  19   15

16 rtems_event_send: task readied -- preempts caller                    26   24

17 rtems_task_set_priority: preempts caller                             36   33

18 rtems_task_delete: calling task                                      51   52

19 rtems_signal_catch                                                   17   18
   rtems_signal_send: returns to caller                                 38   39
   rtems_signal_send: signal to self                                    46   62
   exit ASR overhead: returns to calling task                           20   25
   exit ASR overhead: returns to preempting task                        29   29

20 rtems_partition_create                                               65   67
   rtems_region_create                                                  59   54
   rtems_partition_get_buffer: available                                39   35
   rtems_partition_get_buffer: not available                            18   16
   rtems_partition_return_buffer                                        36   30
   rtems_partition_delete                                               32   30
   rtems_region_get_segment: available                                  22   21
   rtems_region_get_segment: not available -- NO_WAIT                   29   25
   rtems_region_return_segment: no waiting tasks                        24   22
   rtems_region_get_segment: not available -- caller blocks             83   81
   rtems_region_return_segment: task readied -- preempts caller         85   84
   rtems_region_return_segment: task readied -- returns to caller       39   41
   rtems_region_delete                                                  30   30
   rtems_io_initialize                                                   1    1
   rtems_io_open                                                         0    0
   rtems_io_close                                                        0    0
   rtems_io_read                                                         0    0
   rtems_io_write                                                        0    0
   rtems_io_control                                                      0    1

21 rtems_task_ident                                                    116  114
   rtems_message_queue_ident                                           113  111
   rtems_semaphore_ident                                               122  120
   rtems_partition_ident                                               113  110
   rtems_region_ident                                                  115  111
   rtems_port_ident                                                    113  109
   rtems_timer_ident                                                   113  109
   rtems_rate_monotonic_ident                                          113  111

22 rtems_message_queue_broadcast: task readied -- returns to caller     82   85
   rtems_message_queue_broadcast: no waiting tasks                      11    9
   rtems_message_queue_broadcast: task readied -- preempts caller       51   56

23 rtems_timer_create                                                    8    7
   rtems_timer_fire_after: inactive                                     14   12
   rtems_timer_fire_after: active                                       13   12
   rtems_timer_cancel: active                                            8    7
   rtems_timer_cancel: inactive                                          7    6
   rtems_timer_reset: inactive                                          11   10
   rtems_timer_reset: active                                            11   11
   rtems_timer_fire_when: inactive                                      17   16
   rtems_timer_fire_when: active                                        17   17
   rtems_timer_delete: active                                           10    9
   rtems_timer_delete: inactive                                          9    8
   rtems_task_wake_when                                                 36   34

24 rtems_task_wake_after: yield -- returns to caller                     5    3
   rtems_task_wake_after: yields -- preempts caller                     22   19

25 rtems_clock_tick                                                     31   31

26 _ISR_Disable                                                         11   12
   _ISR_Flash                                                            9    9
   _ISR_Enable                                                          31   67
   _Thread_Disable_dispatch                                             11   10
   _Thread_Enable_dispatch                                              18   18
   _Thread_Set_state                                                    20   22
   _Thread_Disptach (NO FP)                                             37   41
   context switch: no floating point contexts                           29   26
   context switch: self                                                 14   10
   context switch: to another task                                      12   12
   context switch: restore 1st FP task                                  54   54
   fp context switch: save idle, restore idle                           47   46
   fp context switch: save idle, restore initialized                    25   25
   fp context switch: save initialized, restore initialized             24   25
   _Thread_Resume                                                       23   24
   _Thread_Unblock                                                      14   14
   _Thread_Ready                                                        16   24
   _Thread_Get                                                           2    2
   _Semaphore_Get                                                        1    1
   _Thread_Get: invalid id                                               0    0

27 interrupt entry overhead: returns to interrupted task                25   23
   interrupt exit overhead: returns to interrupted task                 14   15
   interrupt entry overhead: returns to nested interrupt                12   12
   interrupt exit overhead: returns to nested interrupt                 14   14
   interrupt entry overhead: returns to preempting task                 14   16
   interrupt exit overhead: returns to preempting task                  42   38

28 rtems_port_create                                                    43   42
   rtems_port_external_to_internal                                       6    4
   rtems_port_internal_to_external                                       6    4
   rtems_port_delete                                                    39   33

29 rtems_rate_monotonic_create                                          48   42
   rtems_rate_monotonic_period: initiate period -- returns to caller    61   65
   rtems_rate_monotonic_period: obtain status                           23   21
   rtems_rate_monotonic_cancel                                          38   35
   rtems_rate_monotonic_delete: inactive                                32   32
   rtems_rate_monotonic_delete: active                                  22   22
   rtems_rate_monotonic_period: conclude periods -- caller blocks       24   19