📄 real-time-characterization.sgml
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0.99 0.21 2.48 0.41 65% 28% Create mbox
0.04 0.00 0.39 0.07 90% 87% Peek [empty] mbox
0.47 0.27 3.48 0.29 90% 78% Put [first] mbox
0.02 0.00 0.39 0.03 90% 90% Peek [1 msg] mbox
0.29 0.15 0.58 0.04 68% 3% Put [second] mbox
0.02 0.00 0.45 0.04 93% 93% Peek [2 msgs] mbox
0.48 0.21 3.67 0.26 84% 87% Get [first] mbox
0.35 0.09 0.82 0.11 75% 3% Get [second] mbox
0.50 0.21 3.18 0.33 90% 68% Tryput [first] mbox
0.39 0.15 1.39 0.19 78% 68% Peek item [non-empty] mbox
0.43 0.18 3.33 0.23 87% 90% Tryget [non-empty] mbox
0.28 0.03 0.79 0.06 68% 3% Peek item [empty] mbox
0.28 0.21 0.58 0.05 71% 65% Tryget [empty] mbox
0.01 0.00 0.36 0.02 96% 90% Waiting to get mbox
0.05 0.00 0.45 0.09 87% 84% Waiting to put mbox
0.42 0.09 2.88 0.20 84% 12% Delete mbox
1.39 1.27 2.39 0.14 87% 87% Put/Get mbox
0.35 0.00 1.36 0.45 75% 68% Init semaphore
0.19 0.00 0.45 0.04 81% 3% Post [0] semaphore
0.25 0.21 0.88 0.06 84% 81% Wait [1] semaphore
0.32 0.06 1.79 0.21 78% 68% Trywait [0] semaphore
0.20 0.00 0.52 0.06 62% 3% Trywait [1] semaphore
0.07 0.00 0.45 0.10 84% 81% Peek semaphore
0.06 0.00 0.52 0.06 71% 78% Destroy semaphore
1.45 1.42 1.79 0.04 87% 87% Post/Wait semaphore
0.70 0.00 2.88 0.47 43% 34% Create counter
0.05 0.00 0.42 0.09 87% 84% Get counter value
0.02 0.00 0.45 0.04 93% 93% Set counter value
0.38 0.12 0.58 0.06 59% 3% Tick counter
0.03 0.00 0.48 0.05 93% 78% Delete counter
1.10 0.39 4.30 0.47 62% 53% Create alarm
0.58 0.03 3.12 0.18 87% 3% Initialize alarm
0.04 0.00 0.42 0.07 90% 90% Disable alarm
0.54 0.36 1.36 0.12 84% 43% Enable alarm
0.03 0.00 0.70 0.06 84% 84% Delete alarm
0.50 0.24 0.97 0.08 84% 6% Tick counter [1 alarm]
5.30 5.12 5.97 0.14 84% 75% Tick counter [many alarms]
0.82 0.64 1.36 0.11 78% 43% Tick & fire counter [1 alarm]
14.13 13.85 14.55 0.09 78% 3% Tick & fire counters [>1 together]
5.56 5.45 6.00 0.09 78% 71% Tick & fire counters [>1 separately]
9.69 9.45 12.52 0.22 64% 71% Alarm latency [0 threads]
9.98 9.48 12.76 0.23 69% 14% Alarm latency [2 threads]
10.38 9.48 24.67 0.59 74% 45% Alarm latency [many threads]
11.72 11.30 21.33 0.32 81% 58% Alarm -> thread resume latency
1.87 1.82 10.42 0.00 Clock/interrupt latency
3.02 2.58 7.67 0.00 Clock DSR latency
9 0 260 (main stack: 776) Thread stack used (1120 total)
All done, main stack : stack used 776 size 2400
All done : Interrupt stack used 268 size 4096
All done : Idlethread stack used 244 size 1120
Timing complete - 30300 ms total
PASS:<Basic timing OK>
EXIT:<done>
</LITERALLAYOUT>
</SECT1>
<!-- ==================================================== -->
<SECT1 id="rt-tx39-jmr3904">
<TITLE>Board: Toshiba JMR3904 Evaluation Board</TITLE>
<LITERALLAYOUT CLASS="MONOSPACED">
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>
</LITERALLAYOUT>
</SECT1>
<!-- ==================================================== -->
<SECT1 id="rt-tx49-ref4955">
<TITLE>Board: Toshiba REF 4955</TITLE>
<LITERALLAYOUT CLASS="MONOSPACED">
Board: Toshiba REF 4955
CPU : Toshiba TX4955 66MHz
Startup, main stack : stack used 960 size 2936
Startup : Interrupt stack used 168 size 4096
Startup : Idlethread stack used 372 size 2048
eCos Kernel Timings
Notes: all times are in microseconds (.000001) unless otherwise stated
Reading the hardware clock takes 3 `ticks' overhead
... this value will be factored out of all other measurements
Clock interrupt took 4.00 microseconds (264 raw clock ticks)
Testing parameters:
Clock samples: 32
Threads: 64
Thread switches: 128
Mutexes: 32
Mailboxes: 32
Semaphores: 32
Scheduler operations: 128
Counters: 32
Alarms: 32
Confidence
Ave Min Max Var Ave Min Function
====== ====== ====== ====== ========== ========
11.21 9.58 14.11 0.95 48% 34% Create thread
0.66 0.65 1.29 0.02 98% 98% Yield thread [all suspended]
0.63 0.53 3.06 0.17 82% 82% Suspend [suspended] thread
0.54 0.53 1.06 0.02 98% 98% Resume thread
0.78 0.74 1.39 0.05 93% 93% Set priority
0.05 0.05 0.36 0.01 98% 98% Get priority
2.06 1.89 6.65 0.25 95% 79% Kill [suspended] thread
0.65 0.65 0.68 0.00 98% 98% Yield [no other] thread
1.15 1.02 3.03 0.20 81% 81% Resume [suspended low prio] thread
0.54 0.52 1.18 0.03 96% 96% Resume [runnable low prio] thread
0.94 0.88 1.27 0.01 95% 1% Suspend [runnable] thread
0.65 0.65 0.68 0.00 98% 98% Yield [only low prio] thread
0.54 0.53 0.86 0.01 98% 96% Suspend [runnable->not runnable]
1.97 1.89 2.98 0.12 84% 84% Kill [runnable] thread
1.03 0.92 4.94 0.17 89% 89% Destroy [dead] thread
2.55 2.33 4.38 0.24 89% 70% Destroy [runnable] thread
5.62 4.11 13.23 0.99 65% 40% Resume [high priority] thread
1.84 1.83 2.79 0.02 98% 98% Thread switch
0.12 0.02 0.65 0.15 74% 74% Scheduler lock
0.35 0.35 0.35 0.00 100% 100% Scheduler unlock [0 threads]
0.35 0.35 0.35 0.00 100% 100% Scheduler unlock [1 suspended]
0.43 0.35 1.17 0.13 78% 78% Scheduler unlock [many suspended]
0.45 0.35 1.17 0.15 75% 75% Scheduler unlock [many low prio]
0.46 0.15 3.38 0.30 62% 50% Init mutex
0.73 0.64 3.27 0.16 96% 96% Lock [unlocked] mutex
0.77 0.65 4.50 0.23 96% 96% Unlock [locked] mutex
0.58 0.55 1.42 0.05 96% 96% Trylock [unlocked] mutex
0.51 0.50 0.83 0.02 96% 96% Trylock [locked] mutex
0.12 0.11 0.41 0.02 96% 96% Destroy mutex
4.72 4.70 5.58 0.05 96% 96% Unlock/Lock mutex
1.01 0.67 3.48 0.40 71% 71% Create mbox
0.02 0.00 0.53 0.03 96% 96% Peek [empty] mbox
0.89 0.68 4.20 0.29 96% 71% Put [first] mbox
0.02 0.00 0.33 0.02 96% 96% Peek [1 msg] mbox
0.69 0.68 0.76 0.01 50% 46% Put [second] mbox
0.02 0.00 0.30 0.02 96% 96% Peek [2 msgs] mbox
0.81 0.71 3.83 0.19 96% 96% Get [first] mbox
0.72 0.71 1.02 0.⌨️ 快捷键说明
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