Board: Toshiba JMR3904 Evaluation Board


Board: Toshiba JMR3904 Evaluation Board

CPU  : TMPR3904F 50MHz


eCOS Kernel Timings
Note: all times are in microseconds (.000001) unless otherwise stated

Reading the hardware clock takes 0 'ticks' overhead
... this value will be factored out of all other measurements
Clock interrupt took   29.68 microseconds (45 raw clock ticks)

Testing parameters:
   Clock samples:          32
   Threads:                24
   Thread switches:       128
   Mutexes:                32
   Mailboxes:              32
   Semaphores:             32
   Scheduler operations:  128
   Counters:               32
   Alarms:                 32


                                 Confidence
     Ave     Min     Max     Var  Ave  Min  Function
  ======  ======  ======  ====== ========== ========
   13.62   11.72   27.99    1.51   79%  54% Create thread
    2.77    2.60    3.91    0.26   79%  79% Yield thread [all suspended]
    3.31    2.60    6.51    0.27   83%  12% Suspend [suspended] thread
    2.58    1.95    7.81    0.47   58%  37% Resume thread
    4.94    4.56   11.07    0.60   95%  79% Set priority
    0.71    0.65    1.95    0.10   95%  95% Get priority
   14.97   14.32   25.39    0.87   95%  95% Kill [suspended] thread
    2.25    1.95    9.11    0.57   95%  95% Yield [no other] thread
    7.27    6.51   12.37    0.42   79%  16% Resume [suspended low prio] thread
    2.28    1.95    7.16    0.51   95%  79% Resume [runnable low prio] thread
    4.31    3.26   12.37    0.75   87%  79% Suspend [runnable] thread
    2.17    1.95    7.16    0.42   95%  95% Yield [only low prio] thread
    2.39    1.95    6.51    0.51   95%  58% Suspend [runnable->not runnable]
   13.43   12.37   22.79    0.80   91%  91% Kill [runnable] thread
   22.30   20.83   37.76    1.76   91%  91% Resume [high priority] thread
    4.62    4.56   11.07    0.13   98%  98% Thread switch

    1.51    1.30    2.60    0.29   68%  68% Scheduler lock
    2.36    1.95    3.26    0.31   61%  37% Scheduler unlock [0 threads]
    2.39    1.95    5.21    0.32   62%  36% Scheduler unlock [1 suspended]
    2.38    1.95    4.56    0.32   61%  37% Scheduler unlock [many suspended]
    2.38    1.95    5.21    0.32   61%  37% Scheduler unlock [many low prio]

    0.90    0.65    3.26    0.35   71%  71% Init mutex
    2.48    1.95    8.46    0.50   50%  46% Lock [unlocked] mutex
    2.83    2.60    9.11    0.42   93%  93% Unlock [locked] mutex
    2.30    1.95    6.51    0.45   96%  65% Trylock [unlocked] mutex
    1.99    1.30    5.86    0.24   84%  12% Trylock [locked] mutex
    0.04    0.00    1.30    0.08   96%  96% Destroy mutex
   42.40   42.32   44.92    0.16   96%  96% Unlock/Lock mutex

    1.44    1.30    5.86    0.28   96%  96% Create mbox
    0.51    0.00    1.30    0.25   71%  25% Peek [empty] mbox
    2.93    2.60    9.11    0.51   96%  78% Put [first] mbox
    0.51    0.00    1.30    0.25   71%  25% Peek [1 msg] mbox
    4.19    3.91    5.21    0.34   59%  59% Put [second] mbox
    0.45    0.00    0.65    0.28   68%  31% Peek [2 msgs] mbox
    3.28    2.60   10.42    0.45   65%  31% Get [first] mbox
    3.34    2.60    9.77    0.40   78%  18% Get [second] mbox
    2.69    1.95    9.11    0.40   78%  18% Tryput [first] mbox
    2.75    1.95    7.81    0.32   93%   3% Peek item [non-empty] mbox
    3.15    2.60    9.11    0.48   53%  43% Tryget [non-empty] mbox
    2.22    1.95    6.51    0.41   96%  78% Peek item [empty] mbox
    2.40    1.95    5.86    0.42   50%  46% Tryget [empty] mbox
    0.47    0.00    0.65    0.26   71%  28% Waiting to get mbox
    0.59    0.00    1.30    0.15   84%  12% Waiting to put mbox
    4.01    3.26   10.42    0.40   81%  15% Delete mbox
   26.18   26.04   30.60    0.28   96%  96% Put/Get mbox

    0.92    0.65    3.91    0.38   71%  71% Init semaphore
    2.24    1.95    6.51    0.43   96%  75% Post [0] semaphore
    2.32    1.95    7.16    0.48   96%  65% Wait [1] semaphore
    2.03    1.30    5.86    0.24   90%   6% Trywait [0] semaphore
    1.91    1.30    4.56    0.23   78%  18% Trywait [1] semaphore
    0.77    0.00    1.95    0.30   65%   9% Peek semaphore
    0.61    0.00    1.95    0.15   84%  12% Destroy semaphore
   22.62   22.14   30.60    0.61   96%  62% Post/Wait semaphore

    0.92    0.65    3.91    0.38   71%  71% Create counter
    0.69    0.65    1.95    0.08   96%  96% Get counter value
    0.41    0.00    1.30    0.33   56%  40% Set counter value
    3.21    2.60    5.86    0.27   71%  21% Tick counter
    0.65    0.00    3.26    0.16   84%  12% Delete counter

    1.57    1.30    4.56    0.38   71%  71% Create alarm
    4.52    3.91   13.02    0.57   50%  46% Initialize alarm
    0.61    0.00    1.95    0.15   84%  12% Disable alarm
    4.43    3.91    9.11    0.43   56%  40% Enable alarm
    0.87    0.65    2.60    0.32   71%  71% Delete alarm
    2.93    2.60    6.51    0.43   96%  65% Tick counter [1 alarm]
   14.83   14.32   22.79    0.60   96%  59% Tick counter [many alarms]
    4.88    4.56   11.07    0.51   96%  78% Tick & fire counter [1 alarm]
   83.25   82.03  102.86    1.23   96%  93% Tick & fire counters [>1 together]
   17.58   16.93   27.34    0.61   50%  46% Tick & fire counters [>1 separately]
   26.18   24.74   40.36    0.30   97%   0% Alarm latency [0 threads]
   33.88   29.30   56.64    1.70   85%   6% Alarm latency [2 threads]
   36.37   29.30   61.20    3.25   53%  24% Alarm latency [many threads]

    7.85    6.51   14.97    0.00            Clock/interrupt latency

Timing complete - 23540 ms total

PASS:<Basic timing OK>
EXIT:<done>