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>Board: NEC V850 Cosmo Evaluation Board
 
CPU: NEC CEB-V850/SA1 17MHz
 
Startup, main stack  : stack used   552 size  2936
Startup              : Interrupt stack used   120 size  4096
Startup              : Idlethread stack used   206 size  2048
 
eCos Kernel Timings
Notes: all times are in microseconds (.000001) unless otherwise stated
 
Reading the hardware clock takes 27 `ticks' overhead
... this value will be factored out of all other measurements
Clock interrupt took  280.04 microseconds (1190 raw clock ticks)
 
Testing parameters:
   Clock samples:            32
   Threads:                   7
   Thread switches:         128
   Mutexes:                  32
   Mailboxes:                32
   Semaphores:               32
   Scheduler operations:    128
   Counters:                 32
   Alarms:                   32
 
 
                                 Confidence
     Ave     Min     Max     Var  Ave  Min  Function
  ======  ======  ======  ====== ========== ========
  288.71  280.24  297.18    4.84   42%  28% Create thread
   70.76   70.59   70.82    0.10   71%  28% Yield thread [all suspended]
   59.06   59.06   59.06    0.00  100% 100% Suspend [suspended] thread
   60.00   60.00   60.00    0.00  100% 100% Resume thread
   77.38   77.18   77.41    0.06   85%  14% Set priority
    3.13    3.06    3.29    0.10   71%  71% Get priority
  187.46  187.29  187.53    0.10   71%  28% Kill [suspended] thread
   70.76   70.59   70.82    0.10   71%  28% Yield [no other] thread
  104.40  103.29  104.71    0.32   85%  14% Resume [suspended low prio] thread
   59.06   59.06   59.06    0.00  100% 100% Resume [runnable low prio] thread
   97.11   91.06   98.12    1.73   85%  14% Suspend [runnable] thread
   70.76   70.59   70.82    0.10   71%  28% Yield [only low prio] thread
   59.06   59.06   59.06    0.00  100% 100% Suspend [runnable-&#62;not runnable]
  187.46  187.29  187.53    0.10   71%  28% Kill [runnable] thread
   95.63   95.29   97.18    0.44   85%  85% Destroy [dead] thread
  241.28  236.94  242.12    1.24   85%  14% Destroy [runnable] thread
  378.55  370.35  427.06   13.86   85%  85% Resume [high priority] thread
  198.77  183.76  452.94   18.77   96%  96% Thread switch
 
    2.59    2.59    2.59    0.00  100% 100% Scheduler lock
   41.29   41.18   41.41    0.12  100%  50% Scheduler unlock [0 threads]
   40.82   40.71   40.94    0.12  100%  50% Scheduler unlock [1 suspended]
   41.29   41.18   41.41    0.12  100%  50% Scheduler unlock [many suspended]
   41.29   41.18   41.41    0.12  100%  50% Scheduler unlock [many low prio]
 
   17.94   17.88   18.12    0.09   75%  75% Init mutex
   68.71   68.71   68.71    0.00  100% 100% Lock [unlocked] mutex
   72.10   72.00   73.41    0.15   96%  71% Unlock [locked] mutex
   57.88   57.88   57.88    0.00  100% 100% Trylock [unlocked] mutex
   52.24   52.24   52.24    0.00  100% 100% Trylock [locked] mutex
   12.41   12.24   12.47    0.09   75%  25% Destroy mutex
  427.06  427.06  427.06    0.00  100% 100% Unlock/Lock mutex
 
 
   34.94   34.82   35.06    0.12  100%  50% Create mbox
    0.76    0.71    0.94    0.09   75%  75% Peek [empty] mbox
   75.29   75.29   75.29    0.00  100% 100% Put [first] mbox
    1.24    1.18    1.41    0.09   75%  75% Peek [1 msg] mbox
   75.76   75.76   75.76    0.00  100% 100% Put [second] mbox
    0.76    0.71    0.94    0.09   75%  75% Peek [2 msgs] mbox
   80.12   80.00   80.24    0.12  100%  50% Get [first] mbox
   79.65   79.53   79.76    0.12  100%  50% Get [second] mbox
   70.12   70.12   70.12    0.00  100% 100% Tryput [first] mbox
   65.76   65.65   65.88    0.12  100%  50% Peek item [non-empty] mbox
   78.00   77.88   78.12    0.12  100%  50% Tryget [non-empty] mbox
   63.12   63.06   63.29    0.09   75%  75% Peek item [empty] mbox
   67.82   67.76   68.00    0.09   75%  75% Tryget [empty] mbox
    1.94    1.88    2.12    0.09   75%  75% Waiting to get mbox
    1.47    1.41    1.65    0.09   75%  75% Waiting to put mbox
   75.59   75.53   75.76    0.09   75%  75% Delete mbox
  252.76  252.71  252.94    0.09   75%  75% Put/Get mbox
 
   20.24   20.24   20.24    0.00  100% 100% Init semaphore
   54.35   54.35   54.35    0.00  100% 100% Post [0] semaphore
   66.59   66.59   66.59    0.00  100% 100% Wait [1] semaphore
   52.24   52.24   52.24    0.00  100% 100% Trywait [0] semaphore
   53.41   53.41   53.41    0.00  100% 100% Trywait [1] semaphore
   10.65   10.59   10.82    0.09   75%  75% Peek semaphore
   12.65   12.47   12.71    0.09   75%  25% Destroy semaphore
  276.94  276.94  276.94    0.00  100% 100% Post/Wait semaphore
 
   14.94   14.82   15.06    0.12  100%  50% Create counter
    2.18    2.12    2.35    0.09   75%  75% Get counter value
    3.06    3.06    3.06    0.00  100% 100% Set counter value
   78.12   78.12   78.12    0.00  100% 100% Tick counter
   13.82   13.65   13.88    0.09   75%  25% Delete counter
 
   26.94   26.82   27.06    0.12  100%  50% Create alarm
  104.18  104.00  104.24    0.09   75%  25% Initialize alarm
    7.65    7.53    7.76    0.12  100%  50% Disable alarm
  104.94  104.94  104.94    0.00  100% 100% Enable alarm
   19.47   19.29   19.53    0.09   75%  25% Delete alarm
   88.53   88.47   88.71    0.09   75%  75% Tick counter [1 alarm]
  418.61  411.29  645.41   14.17   96%  96% Tick counter [many alarms]
  139.59  139.53  139.76    0.09   75%  75% Tick &#38; fire counter [1 alarm]
 2150.21 2096.71 2367.53   83.59   78%  78% Tick &#38; fire counters [&#62;1 together]
  478.15  462.35  733.41   29.61   93%  93% Tick &#38; fire counters [&#62;1 separately]
  219.89  218.59  369.88    2.34   99%  99% Alarm latency [0 threads]
  292.11  218.59  371.53   37.85   50%  25% Alarm latency [2 threads]
  292.96  218.59  370.59   38.12   49%  25% Alarm latency [many threads]
  540.90  495.76 1677.41   17.76   98%   0% Alarm -&#62; thread resume latency
 
   79.01   78.59  104.71    0.00            Clock/interrupt latency
 
  123.41   85.88 1982.82    0.00            Clock DSR latency
 
  522     516     536  (main stack:  1124)  Thread stack used (1912 total)
All done, main stack : stack used  1124 size  2936
All done             :  Interrupt stack used   288 size  4096
All done             : Idlethread stack used   488 size  2048
 
Timing complete - 32540 ms total&#13;</PRE
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65			`>Appendix B. Real-time characterization</TD`
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85			`NAME="RT-V850-CEBSA1">Board: NEC V850 Cosmo Evaluation Board</H1`
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93			`CLASS="LITERALLAYOUT"`
94			`>Board: NEC V850 Cosmo Evaluation Board`
95
96			`CPU: NEC CEB-V850/SA1 17MHz`
97
98			`Startup, main stack : stack used 552 size 2936`
99			`Startup : Interrupt stack used 120 size 4096`
100			`Startup : Idlethread stack used 206 size 2048`
101
102			`eCos Kernel Timings`
103			`Notes: all times are in microseconds (.000001) unless otherwise stated`
104
105			Reading the hardware clock takes 27 `ticks' overhead
106			`... this value will be factored out of all other measurements`
107			`Clock interrupt took 280.04 microseconds (1190 raw clock ticks)`
108
109			`Testing parameters:`
110			`Clock samples: 32`
111			`Threads: 7`
112			`Thread switches: 128`
113			`Mutexes: 32`
114			`Mailboxes: 32`
115			`Semaphores: 32`
116			`Scheduler operations: 128`
117			`Counters: 32`
118			`Alarms: 32`
119
120
121			`Confidence`
122			`Ave Min Max Var Ave Min Function`
123			`====== ====== ====== ====== ========== ========`
124			`288.71 280.24 297.18 4.84 42% 28% Create thread`
125			`70.76 70.59 70.82 0.10 71% 28% Yield thread [all suspended]`
126			`59.06 59.06 59.06 0.00 100% 100% Suspend [suspended] thread`
127			`60.00 60.00 60.00 0.00 100% 100% Resume thread`
128			`77.38 77.18 77.41 0.06 85% 14% Set priority`
129			`3.13 3.06 3.29 0.10 71% 71% Get priority`
130			`187.46 187.29 187.53 0.10 71% 28% Kill [suspended] thread`
131			`70.76 70.59 70.82 0.10 71% 28% Yield [no other] thread`
132			`104.40 103.29 104.71 0.32 85% 14% Resume [suspended low prio] thread`
133			`59.06 59.06 59.06 0.00 100% 100% Resume [runnable low prio] thread`
134			`97.11 91.06 98.12 1.73 85% 14% Suspend [runnable] thread`
135			`70.76 70.59 70.82 0.10 71% 28% Yield [only low prio] thread`
136			`59.06 59.06 59.06 0.00 100% 100% Suspend [runnable->not runnable]`
137			`187.46 187.29 187.53 0.10 71% 28% Kill [runnable] thread`
138			`95.63 95.29 97.18 0.44 85% 85% Destroy [dead] thread`
139			`241.28 236.94 242.12 1.24 85% 14% Destroy [runnable] thread`
140			`378.55 370.35 427.06 13.86 85% 85% Resume [high priority] thread`
141			`198.77 183.76 452.94 18.77 96% 96% Thread switch`
142
143			`2.59 2.59 2.59 0.00 100% 100% Scheduler lock`
144			`41.29 41.18 41.41 0.12 100% 50% Scheduler unlock [0 threads]`
145			`40.82 40.71 40.94 0.12 100% 50% Scheduler unlock [1 suspended]`
146			`41.29 41.18 41.41 0.12 100% 50% Scheduler unlock [many suspended]`
147			`41.29 41.18 41.41 0.12 100% 50% Scheduler unlock [many low prio]`
148
149			`17.94 17.88 18.12 0.09 75% 75% Init mutex`
150			`68.71 68.71 68.71 0.00 100% 100% Lock [unlocked] mutex`
151			`72.10 72.00 73.41 0.15 96% 71% Unlock [locked] mutex`
152			`57.88 57.88 57.88 0.00 100% 100% Trylock [unlocked] mutex`
153			`52.24 52.24 52.24 0.00 100% 100% Trylock [locked] mutex`
154			`12.41 12.24 12.47 0.09 75% 25% Destroy mutex`
155			`427.06 427.06 427.06 0.00 100% 100% Unlock/Lock mutex`
156
157
158			`34.94 34.82 35.06 0.12 100% 50% Create mbox`
159			`0.76 0.71 0.94 0.09 75% 75% Peek [empty] mbox`
160			`75.29 75.29 75.29 0.00 100% 100% Put [first] mbox`
161			`1.24 1.18 1.41 0.09 75% 75% Peek [1 msg] mbox`
162			`75.76 75.76 75.76 0.00 100% 100% Put [second] mbox`
163			`0.76 0.71 0.94 0.09 75% 75% Peek [2 msgs] mbox`
164			`80.12 80.00 80.24 0.12 100% 50% Get [first] mbox`
165			`79.65 79.53 79.76 0.12 100% 50% Get [second] mbox`
166			`70.12 70.12 70.12 0.00 100% 100% Tryput [first] mbox`
167			`65.76 65.65 65.88 0.12 100% 50% Peek item [non-empty] mbox`
168			`78.00 77.88 78.12 0.12 100% 50% Tryget [non-empty] mbox`
169			`63.12 63.06 63.29 0.09 75% 75% Peek item [empty] mbox`
170			`67.82 67.76 68.00 0.09 75% 75% Tryget [empty] mbox`
171			`1.94 1.88 2.12 0.09 75% 75% Waiting to get mbox`
172			`1.47 1.41 1.65 0.09 75% 75% Waiting to put mbox`
173			`75.59 75.53 75.76 0.09 75% 75% Delete mbox`
174			`252.76 252.71 252.94 0.09 75% 75% Put/Get mbox`
175
176			`20.24 20.24 20.24 0.00 100% 100% Init semaphore`
177			`54.35 54.35 54.35 0.00 100% 100% Post [0] semaphore`
178			`66.59 66.59 66.59 0.00 100% 100% Wait [1] semaphore`
179			`52.24 52.24 52.24 0.00 100% 100% Trywait [0] semaphore`
180			`53.41 53.41 53.41 0.00 100% 100% Trywait [1] semaphore`
181			`10.65 10.59 10.82 0.09 75% 75% Peek semaphore`
182			`12.65 12.47 12.71 0.09 75% 25% Destroy semaphore`
183			`276.94 276.94 276.94 0.00 100% 100% Post/Wait semaphore`
184
185			`14.94 14.82 15.06 0.12 100% 50% Create counter`
186			`2.18 2.12 2.35 0.09 75% 75% Get counter value`
187			`3.06 3.06 3.06 0.00 100% 100% Set counter value`
188			`78.12 78.12 78.12 0.00 100% 100% Tick counter`
189			`13.82 13.65 13.88 0.09 75% 25% Delete counter`
190
191			`26.94 26.82 27.06 0.12 100% 50% Create alarm`
192			`104.18 104.00 104.24 0.09 75% 25% Initialize alarm`
193			`7.65 7.53 7.76 0.12 100% 50% Disable alarm`
194			`104.94 104.94 104.94 0.00 100% 100% Enable alarm`
195			`19.47 19.29 19.53 0.09 75% 25% Delete alarm`
196			`88.53 88.47 88.71 0.09 75% 75% Tick counter [1 alarm]`
197			`418.61 411.29 645.41 14.17 96% 96% Tick counter [many alarms]`
198			`139.59 139.53 139.76 0.09 75% 75% Tick & fire counter [1 alarm]`
199			`2150.21 2096.71 2367.53 83.59 78% 78% Tick & fire counters [>1 together]`
200			`478.15 462.35 733.41 29.61 93% 93% Tick & fire counters [>1 separately]`
201			`219.89 218.59 369.88 2.34 99% 99% Alarm latency [0 threads]`
202			`292.11 218.59 371.53 37.85 50% 25% Alarm latency [2 threads]`
203			`292.96 218.59 370.59 38.12 49% 25% Alarm latency [many threads]`
204			`540.90 495.76 1677.41 17.76 98% 0% Alarm -> thread resume latency`
205
206			`79.01 78.59 104.71 0.00 Clock/interrupt latency`
207
208			`123.41 85.88 1982.82 0.00 Clock DSR latency`
209
210			`522 516 536 (main stack: 1124) Thread stack used (1912 total)`
211			`All done, main stack : stack used 1124 size 2936`
212			`All done : Interrupt stack used 288 size 4096`
213			`All done : Idlethread stack used 488 size 2048`
214
215			`Timing complete - 32540 ms total </PRE`
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235			`><A`
236			`HREF="rt-i386-pc.html"`
237			`ACCESSKEY="P"`
238			`>Prev</A`
239			`></TD`
240			`><TD`
241			`WIDTH="34%"`
242			`ALIGN="center"`
243			`VALIGN="top"`
244			`><A`
245			`HREF="ecos-user-guide.html"`
246			`ACCESSKEY="H"`
247			`>Home</A`
248			`></TD`
249			`><TD`
250			`WIDTH="33%"`
251			`ALIGN="right"`
252			`VALIGN="top"`
253			`><A`
254			`HREF="rt-v850-cebsb1.html"`
255			`ACCESSKEY="N"`
256			`>Next</A`
257			`></TD`
258			`></TR`
259			`><TR`
260			`><TD`
261			`WIDTH="33%"`
262			`ALIGN="left"`
263			`VALIGN="top"`
264			`>Board: PC</TD`
265			`><TD`
266			`WIDTH="34%"`
267			`ALIGN="center"`
268			`VALIGN="top"`
269			`><A`
270			`HREF="real-time-characterization.html"`
271			`ACCESSKEY="U"`
272			`>Up</A`
273			`></TD`
274			`><TD`
275			`WIDTH="33%"`
276			`ALIGN="right"`
277			`VALIGN="top"`
278			`>Board: NEC V850 Cosmo Evaluation Board</TD`
279			`></TR`
280			`></TABLE`
281			`></DIV`
282			`></BODY`
283			`></HTML`
284			`>`