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+>Board: Cogent CMA MPC860 (PowerPC) Evaluation </TITLE
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+>Appendix B. Real-time characterization</TD
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+NAME="RT-PPC-COGENT">Board: Cogent CMA MPC860 (PowerPC) Evaluation</H1
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+><PRE
+CLASS="LITERALLAYOUT"
+>Board: Cogent CMA MPC860 (PowerPC) Evaluation
+CPU : MPC860, revision A3 33MHz
+
+
+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 14.46 microseconds (30 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
+ ====== ====== ====== ====== ========== ========
+ 26.78 23.52 41.76 1.97 66% 37% Create thread
+ 4.00 3.84 4.80 0.23 70% 70% Yield thread [all suspended]
+ 3.78 3.36 7.68 0.38 50% 45% Suspend [suspended] thread
+ 3.56 3.36 7.68 0.37 95% 91% Resume thread
+ 5.28 4.32 12.96 0.76 83% 66% Set priority
+ 0.84 0.48 3.84 0.39 91% 54% Get priority
+ 11.76 10.08 32.16 1.70 95% 95% Kill [suspended] thread
+ 4.14 3.84 8.64 0.45 95% 75% Yield [no other] thread
+ 7.14 5.76 17.76 1.07 79% 70% Resume [suspended low prio] thread
+ 3.60 3.36 8.16 0.42 95% 87% Resume [runnable low prio] thread
+ 6.10 5.28 14.88 0.80 62% 70% Suspend [runnable] thread
+ 4.00 3.84 5.76 0.25 79% 79% Yield [only low prio] thread
+ 3.66 3.36 8.64 0.47 95% 79% Suspend [runnable->not runnable]
+ 11.66 10.08 30.24 1.58 79% 91% Kill [runnable] thread
+ 31.12 27.84 53.28 2.35 87% 50% Resume [high priority] thread
+ 7.52 7.20 15.84 0.30 50% 48% Thread switch
+
+ 1.00 0.48 2.88 0.21 63% 14% Scheduler lock
+ 2.57 2.40 3.84 0.23 65% 65% Scheduler unlock [0 threads]
+ 2.58 2.40 4.32 0.23 64% 64% Scheduler unlock [1 suspended]
+ 2.59 2.40 4.32 0.24 62% 62% Scheduler unlock [many suspended]
+ 2.59 2.40 4.32 0.24 61% 61% Scheduler unlock [many low prio]
+
+ 1.69 1.44 5.76 0.37 96% 71% Init mutex
+ 4.15 3.84 10.56 0.47 96% 75% Lock [unlocked] mutex
+ 5.82 5.28 10.56 0.38 62% 28% Unlock [locked] mutex
+ 3.70 3.36 8.64 0.41 96% 59% Trylock [unlocked] mutex
+ 3.42 2.88 6.72 0.26 75% 15% Trylock [locked] mutex
+ 0.36 0.00 1.92 0.25 62% 34% Destroy mutex
+ 43.41 42.72 45.12 0.34 81% 3% Unlock/Lock mutex
+
+ 3.27 2.88 8.16 0.39 96% 50% Create mbox
+ 0.57 0.00 2.40 0.34 50% 21% Peek [empty] mbox
+ 6.16 5.76 11.04 0.48 87% 87% Put [first] mbox
+ 0.48 0.00 1.92 0.27 50% 28% Peek [1 msg] mbox
+ 5.92 5.28 10.56 0.35 90% 6% Put [second] mbox
+ 0.60 0.00 2.40 0.30 62% 12% Peek [2 msgs] mbox
+ 4.69 4.32 12.00 0.54 93% 93% Get [first] mbox
+ 4.68 4.32 11.52 0.52 93% 93% Get [second] mbox
+ 5.86 5.28 11.04 0.47 62% 31% Tryput [first] mbox
+ 4.00 3.36 9.12 0.38 87% 9% Peek item [non-empty] mbox
+ 4.59 3.84 12.48 0.61 71% 75% Tryget [non-empty] mbox
+ 3.75 3.36 7.68 0.34 53% 43% Peek item [empty] mbox
+ 3.93 3.36 9.60 0.45 65% 31% Tryget [empty] mbox
+ 0.63 0.00 2.40 0.28 68% 6% Waiting to get mbox
+ 0.54 0.00 1.92 0.19 75% 9% Waiting to put mbox
+ 4.84 4.32 12.00 0.47 56% 40% Delete mbox
+ 24.18 23.52 29.76 0.66 81% 75% Put/Get mbox
+
+ 1.72 0.96 3.84 0.33 90% 6% Init semaphore
+ 3.15 2.88 6.24 0.34 96% 62% Post [0] semaphore
+ 3.85 3.36 8.64 0.30 68% 28% Wait [1] semaphore
+ 3.24 2.88 6.24 0.34 46% 46% Trywait [0] semaphore
+ 3.22 2.88 6.24 0.32 50% 46% Trywait [1] semaphore
+ 0.96 0.48 2.88 0.12 84% 12% Peek semaphore
+ 0.99 0.96 1.92 0.06 96% 96% Destroy semaphore
+ 24.71 24.00 28.80 0.40 87% 6% Post/Wait semaphore
+
+ 2.31 1.44 6.24 0.77 46% 56% Create counter
+ 0.45 0.00 0.96 0.08 87% 9% Get counter value
+ 0.42 0.00 0.96 0.16 75% 18% Set counter value
+ 4.14 3.84 4.80 0.26 50% 43% Tick counter
+ 0.91 0.48 2.40 0.19 71% 21% Delete counter
+
+ 5.23 4.32 7.68 0.61 65% 53% Create alarm
+ 5.58 4.80 12.96 0.72 68% 84% Initialize alarm
+ 0.75 0.48 1.92 0.30 90% 56% Disable alarm
+ 8.02 7.20 14.40 0.53 84% 68% Enable alarm
+ 1.32 0.96 3.84 0.29 56% 40% Delete alarm
+ 4.63 4.32 6.24 0.28 53% 43% Tick counter [1 alarm]
+ 23.67 23.52 25.44 0.23 78% 78% Tick counter [many alarms]
+ 7.24 6.72 10.56 0.21 84% 12% Tick & fire counter [1 alarm]
+ 106.83 106.56 110.40 0.35 96% 65% Tick & fire counters [>1 together]
+ 26.18 25.44 29.76 0.46 81% 9% Tick & fire counters [>1 separately]
+ 10.79 10.08 29.28 0.66 53% 55% Alarm latency [0 threads]
+ 17.20 13.92 35.52 1.48 67% 21% Alarm latency [2 threads]
+ 29.69 22.56 47.04 3.58 57% 17% Alarm latency [many threads]
+
+ 7.66 3.84 19.20 0.00 Clock/interrupt latency
+
+Timing complete - 23530 ms total
+
+PASS:<Basic timing OK>
+EXIT:<done>
+
+ </PRE
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