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+>Board: Motorola MBX</TITLE
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+>eCos User Guide</TH
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+>Appendix B. Real-time characterization</TD
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+><A
+NAME="RT-PPC-MBX860">Board: Motorola MBX</H1
+><TABLE
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+><PRE
+CLASS="LITERALLAYOUT"
+> Board: Motorola MBX
+
+CPU : Motorola MPC860 66MHZ
+
+
+Startup, main stack : stack used 643 size 5664
+Startup : Interrupt stack used 427 size 4096
+Startup : Idlethread stack used 236 size 2048
+
+eCos Kernel Timings
+Notes: 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 25.36 microseconds (79 raw clock ticks)
+
+Testing parameters:
+ Clock samples: 32
+ Threads: 16
+ Thread switches: 128
+ Mutexes: 32
+ Mailboxes: 32
+ Semaphores: 32
+ Scheduler operations: 128
+ Counters: 32
+ Alarms: 32
+
+
+ Confidence
+ Ave Min Max Var Ave Min Function
+ ====== ====== ====== ====== ========== ========
+ 27.58 25.60 44.16 2.07 93% 93% Create thread
+ 5.94 5.76 7.04 0.22 93% 62% Yield thread [all suspended]
+ 6.06 5.44 10.56 0.57 75% 75% Suspend [suspended] thread
+ 5.42 4.80 9.60 0.53 87% 81% Resume thread
+ 7.10 6.40 14.08 0.90 93% 87% Set priority
+ 0.86 0.64 1.92 0.22 93% 50% Get priority
+ 16.74 15.04 36.48 2.47 93% 93% Kill [suspended] thread
+ 6.14 5.76 10.56 0.55 93% 93% Yield [no other] thread
+ 9.74 8.96 18.56 1.10 93% 93% Resume [suspended low prio] thread
+ 5.28 4.80 9.28 0.54 93% 81% Resume [runnable low prio] thread
+ 9.40 8.32 18.56 1.14 93% 93% Suspend [runnable] thread
+ 6.04 5.76 8.96 0.38 93% 93% Yield [only low prio] thread
+ 5.68 5.12 9.60 0.52 68% 75% Suspend [runnable->not runnable]
+ 16.10 14.40 35.20 2.39 93% 93% Kill [runnable] thread
+ 8.54 7.68 16.00 0.94 93% 87% Destroy [dead] thread
+ 20.20 18.56 40.64 2.55 93% 93% Destroy [runnable] thread
+ 39.02 36.48 57.28 3.28 87% 87% Resume [high priority] thread
+ 13.13 12.80 22.08 0.15 78% 20% Thread switch
+
+ 0.59 0.32 1.60 0.09 82% 16% Scheduler lock
+ 3.67 3.52 5.12 0.17 99% 54% Scheduler unlock [0 threads]
+ 3.67 3.52 4.80 0.17 99% 53% Scheduler unlock [1 suspended]
+ 3.67 3.52 4.80 0.17 54% 54% Scheduler unlock [many suspended]
+ 3.69 3.52 5.12 0.17 99% 50% Scheduler unlock [many low prio]
+
+ 2.41 2.24 5.44 0.25 96% 75% Init mutex
+ 6.83 6.40 11.84 0.34 75% 90% Lock [unlocked] mutex
+ 6.74 6.40 13.12 0.40 96% 96% Unlock [locked] mutex
+ 5.53 5.12 9.60 0.25 84% 12% Trylock [unlocked] mutex
+ 4.84 4.48 7.36 0.17 78% 15% Trylock [locked] mutex
+ 0.34 0.00 0.96 0.06 90% 3% Destroy mutex
+ 56.10 55.68 59.52 0.21 93% 3% Unlock/Lock mutex
+
+ 4.72 4.48 10.24 0.37 96% 96% Create mbox
+ 0.75 0.64 1.92 0.16 75% 75% Peek [empty] mbox
+ 6.79 6.40 12.80 0.41 96% 90% Put [first] mbox
+ 0.46 0.32 1.60 0.19 93% 68% Peek [1 msg] mbox
+ 6.68 6.40 12.16 0.37 96% 96% Put [second] mbox
+ 0.50 0.32 1.60 0.20 93% 56% Peek [2 msgs] mbox
+ 7.13 6.40 14.08 0.49 90% 46% Get [first] mbox
+ 6.97 6.40 13.44 0.47 84% 78% Get [second] mbox
+ 6.24 5.76 11.52 0.38 78% 81% Tryput [first] mbox
+ 5.98 5.44 11.20 0.39 78% 62% Peek item [non-empty] mbox
+ 6.52 6.08 13.12 0.49 93% 81% Tryget [non-empty] mbox
+ 5.50 5.12 10.24 0.30 68% 28% Peek item [empty] mbox
+ 5.76 5.44 10.88 0.32 96% 96% Tryget [empty] mbox
+ 0.50 0.32 1.60 0.19 96% 53% Waiting to get mbox
+ 0.50 0.32 1.60 0.19 96% 53% Waiting to put mbox
+ 7.45 7.04 15.04 0.49 96% 93% Delete mbox
+ 37.47 36.80 48.64 0.70 96% 96% Put/Get mbox
+
+ 2.49 2.24 6.08 0.28 96% 56% Init semaphore
+ 5.09 4.80 8.64 0.27 46% 46% Post [0] semaphore
+ 6.25 5.76 10.88 0.32 93% 3% Wait [1] semaphore
+ 4.84 4.48 8.32 0.23 68% 25% Trywait [0] semaphore
+ 4.98 4.80 8.00 0.26 96% 71% Trywait [1] semaphore
+ 1.66 1.28 3.84 0.20 68% 15% Peek semaphore
+ 1.24 0.96 3.20 0.17 65% 31% Destroy semaphore
+ 40.74 40.32 49.28 0.53 96% 96% Post/Wait semaphore
+
+ 2.65 2.24 6.08 0.23 84% 9% Create counter
+ 0.85 0.64 2.24 0.22 90% 53% Get counter value
+ 0.68 0.64 1.92 0.08 96% 96% Set counter value
+ 7.13 6.72 8.64 0.24 78% 18% Tick counter
+ 1.30 0.96 3.20 0.12 84% 12% Delete counter
+
+ 3.69 3.52 7.68 0.29 96% 84% Create alarm
+ 8.98 8.32 17.60 0.61 68% 62% Initialize alarm
+ 0.96 0.64 2.88 0.14 71% 21% Disable alarm
+ 8.76 8.32 17.60 0.59 96% 87% Enable alarm
+ 1.99 1.60 5.12 0.21 81% 12% Delete alarm
+ 7.44 7.36 9.92 0.15 96% 96% Tick counter [1 alarm]
+ 21.68 21.44 24.64 0.25 96% 53% Tick counter [many alarms]
+ 10.95 10.56 15.04 0.26 78% 18% Tick & fire counter [1 alarm]
+ 132.79 132.48 136.32 0.23 59% 37% Tick & fire counters [>1 together]
+ 25.18 24.96 28.80 0.29 96% 65% Tick & fire counters [>1 separately]
+ 23.06 22.72 47.36 0.40 98% 98% Alarm latency [0 threads]
+ 31.53 27.20 56.00 0.63 96% 0% Alarm latency [2 threads]
+ 36.86 30.40 58.88 4.15 50% 28% Alarm latency [many threads]
+
+ 11.41 8.96 16.32 0.00 Clock/interrupt latency
+
+ 609 603 651 (main stack: 1059) Thread stack used (1704 total)
+All done, main stack : stack used 1059 size 5664
+All done : Interrupt stack used 251 size 4096
+All done : Idlethread stack used 587 size 2048
+
+Timing complete - 23690 ms total
+
+PASS:<Basic timing OK>
+EXIT:<done>
+
+ </PRE
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projects / karo-tx-redboot.git / blobdiff