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12 >Board: Cirrus Logic EDB7111-2 Development Board</TITLE
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16 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
19 TITLE="eCos User Guide"
20 HREF="ecos-user-guide.html"><LINK
22 TITLE="Real-time characterization"
23 HREF="real-time-characterization.html"><LINK
25 TITLE="Board: Intel StrongARM EBSA-285 Evaluation Board"
26 HREF="rt-arm-ebsa285.html"><LINK
28 TITLE="Board: ARM PID Evaluation Board"
29 HREF="rt-arm-pid.html"></HEAD
40 SUMMARY="Header navigation table"
57 HREF="rt-arm-ebsa285.html"
65 >Appendix B. Real-time characterization</TD
71 HREF="rt-arm-pid.html"
85 NAME="RT-ARM-EP7211">Board: Cirrus Logic EDB7111-2 Development Board</H1
91 NAME="AEN4500">CPU : Cirrus Logic EP7211 73MHz</H2
100 >Board: Cirrus Logic EDB7111-2 Development Board
102 CPU : Cirrus Logic EP7211 73MHz
106 Startup, main stack : stack used 404 size 2400
107 Startup : Interrupt stack used 136 size 4096
108 Startup : Idlethread stack used 88 size 2048
111 Notes: all times are in microseconds (.000001) unless otherwise stated
113 Reading the hardware clock takes 0 'ticks' overhead
114 ... this value will be factored out of all other measurements
115 Clock interrupt took 356.69 microseconds (182 raw clock ticks)
124 Scheduler operations: 128
130 Ave Min Max Var Ave Min Function
131 ====== ====== ====== ====== ========== ========
132 22.71 17.58 37.11 3.07 46% 34% Create thread
133 4.36 3.91 5.86 0.70 76% 76% Yield thread [all suspended]
134 4.24 3.91 7.81 0.56 84% 84% Suspend [suspended] thread
135 4.09 1.95 7.81 0.45 85% 3% Resume thread
136 5.31 3.91 11.72 0.92 65% 32% Set priority
137 2.11 1.95 3.91 0.28 92% 92% Get priority
138 11.54 9.77 25.39 0.99 62% 28% Kill [suspended] thread
139 4.46 3.91 9.77 0.82 75% 75% Yield [no other] thread
140 7.57 5.86 13.67 0.69 75% 20% Resume [suspended low prio] thread
141 3.94 1.95 5.86 0.18 92% 3% Resume [runnable low prio] thread
142 7.02 5.86 13.67 1.05 53% 45% Suspend [runnable] thread
143 4.42 3.91 9.77 0.79 76% 76% Yield [only low prio] thread
144 4.24 1.95 5.86 0.61 79% 1% Suspend [runnable->not runnable]
145 11.29 9.77 27.34 1.14 57% 37% Kill [runnable] thread
146 6.29 3.91 11.72 0.84 71% 4% Destroy [dead] thread
147 13.52 11.72 31.25 0.90 70% 25% Destroy [runnable] thread
148 24.50 21.48 42.97 1.69 79% 12% Resume [high priority] thread
149 8.79 7.81 19.53 1.05 99% 53% Thread switch
151 1.66 0.00 3.91 0.52 83% 15% Scheduler lock
152 2.59 1.95 3.91 0.86 67% 67% Scheduler unlock [0 threads]
153 2.62 1.95 3.91 0.88 65% 65% Scheduler unlock [1 suspended]
154 2.61 1.95 3.91 0.87 66% 66% Scheduler unlock [many suspended]
155 2.58 1.95 3.91 0.85 67% 67% Scheduler unlock [many low prio]
157 2.69 1.95 5.86 0.96 65% 65% Init mutex
158 4.88 3.91 9.77 1.10 96% 56% Lock [unlocked] mutex
159 4.64 3.91 11.72 1.05 71% 71% Unlock [locked] mutex
160 3.97 1.95 7.81 0.47 81% 9% Trylock [unlocked] mutex
161 3.48 1.95 3.91 0.67 78% 21% Trylock [locked] mutex
162 1.77 0.00 3.91 0.44 84% 12% Destroy mutex
163 31.92 29.30 42.97 1.65 71% 18% Unlock/Lock mutex
165 4.09 3.91 9.77 0.35 96% 96% Create mbox
166 1.83 0.00 3.91 0.34 87% 9% Peek [empty] mbox
167 5.31 3.91 9.77 0.96 62% 34% Put [first] mbox
168 1.59 0.00 1.95 0.60 81% 18% Peek [1 msg] mbox
169 5.19 3.91 9.77 1.04 56% 40% Put [second] mbox
170 1.65 0.00 3.91 0.62 78% 18% Peek [2 msgs] mbox
171 5.43 3.91 9.77 0.86 68% 28% Get [first] mbox
172 5.31 3.91 7.81 0.96 59% 34% Get [second] mbox
173 4.76 3.91 9.77 1.07 62% 62% Tryput [first] mbox
174 4.82 1.95 9.77 1.15 93% 3% Peek item [non-empty] mbox
175 5.55 3.91 11.72 0.82 71% 25% Tryget [non-empty] mbox
176 3.97 1.95 7.81 0.59 75% 12% Peek item [empty] mbox
177 4.33 3.91 7.81 0.69 81% 81% Tryget [empty] mbox
178 1.59 0.00 3.91 0.79 68% 25% Waiting to get mbox
179 1.71 0.00 3.91 0.53 81% 15% Waiting to put mbox
180 5.25 3.91 9.77 1.01 59% 37% Delete mbox
181 17.82 15.63 29.30 1.14 65% 18% Put/Get mbox
183 2.69 1.95 5.86 0.96 65% 65% Init semaphore
184 3.78 1.95 7.81 0.46 84% 12% Post [0] semaphore
185 4.27 3.91 7.81 0.62 84% 84% Wait [1] semaphore
186 3.72 1.95 7.81 0.66 75% 18% Trywait [0] semaphore
187 3.29 1.95 5.86 0.92 62% 34% Trywait [1] semaphore
188 2.32 1.95 3.91 0.59 81% 81% Peek semaphore
189 1.89 0.00 3.91 0.24 90% 6% Destroy semaphore
190 15.75 13.67 29.30 1.07 68% 21% Post/Wait semaphore
192 2.69 1.95 5.86 0.96 65% 65% Create counter
193 1.83 0.00 1.95 0.23 93% 6% Get counter value
194 1.53 0.00 3.91 0.76 71% 25% Set counter value
195 4.82 3.91 5.86 0.97 53% 53% Tick counter
196 1.89 0.00 1.95 0.12 96% 3% Delete counter
198 3.78 1.95 7.81 0.46 84% 12% Create alarm
199 7.99 5.86 15.63 0.70 81% 9% Initialize alarm
200 1.71 0.00 1.95 0.43 87% 12% Disable alarm
201 7.14 5.86 11.72 1.04 56% 40% Enable alarm
202 2.50 1.95 3.91 0.79 71% 71% Delete alarm
203 4.94 3.91 7.81 1.04 96% 50% Tick counter [1 alarm]
204 19.47 17.58 23.44 0.36 87% 9% Tick counter [many alarms]
205 7.63 5.86 11.72 0.55 81% 15% Tick & fire counter [1 alarm]
206 99.06 97.66 105.47 1.05 59% 37% Tick & fire counters [>1 together]
207 22.15 21.48 27.34 0.96 71% 71% Tick & fire counters [>1 separately]
208 359.16 357.42 378.91 0.87 71% 25% Alarm latency [0 threads]
209 364.03 357.42 402.34 3.03 58% 15% Alarm latency [2 threads]
210 408.25 402.34 416.02 2.89 53% 24% Alarm latency [many threads]
211 381.16 376.95 492.19 2.48 95% 46% Alarm -> thread resume latency
213 9.79 5.86 19.53 0.00 Clock/interrupt latency
215 12.13 5.86 31.25 0.00 Clock DSR latency
217 12 0 316 (main stack: 752) Thread stack used (1120 total)
218 All done, main stack : stack used 752 size 2400
219 All done : Interrupt stack used 288 size 4096
220 All done : Idlethread stack used 276 size 2048
222 Timing complete - 30450 ms total
224 PASS:<Basic timing OK>
237 NAME="AEN4503">CPU : Cirrus Logic EP7212 73MHz</H2
245 CLASS="LITERALLAYOUT"
246 >Board: Cirrus Logic EDB7111-2 Development Board
248 CPU : Cirrus Logic EP7212 73MHz
252 Startup, main stack : stack used 404 size 2400
253 Startup : Interrupt stack used 136 size 4096
254 Startup : Idlethread stack used 88 size 2048
257 Notes: all times are in microseconds (.000001) unless otherwise stated
259 Reading the hardware clock takes 0 'ticks' overhead
260 ... this value will be factored out of all other measurements
261 Clock interrupt took 356.32 microseconds (182 raw clock ticks)
270 Scheduler operations: 128
276 Ave Min Max Var Ave Min Function
277 ====== ====== ====== ====== ========== ========
278 22.43 15.63 33.20 3.02 68% 18% Create thread
279 4.48 3.91 5.86 0.81 70% 70% Yield thread [all suspended]
280 4.42 3.91 7.81 0.78 75% 75% Suspend [suspended] thread
281 4.12 1.95 5.86 0.49 82% 3% Resume thread
282 5.62 3.91 11.72 0.64 78% 18% Set priority
283 2.17 1.95 3.91 0.38 89% 89% Get priority
284 11.54 9.77 27.34 0.88 70% 25% Kill [suspended] thread
285 4.64 3.91 9.77 0.96 65% 65% Yield [no other] thread
286 7.51 5.86 15.63 0.72 76% 21% Resume [suspended low prio] thread
287 3.88 1.95 9.77 0.42 82% 10% Resume [runnable low prio] thread
288 7.14 5.86 13.67 1.00 59% 39% Suspend [runnable] thread
289 4.52 3.91 7.81 0.86 70% 70% Yield [only low prio] thread
290 4.15 1.95 7.81 0.49 85% 1% Suspend [runnable->not runnable]
291 11.26 9.77 27.34 1.17 56% 39% Kill [runnable] thread
292 6.22 3.91 13.67 0.88 70% 7% Destroy [dead] thread
293 13.64 11.72 33.20 1.02 64% 26% Destroy [runnable] thread
294 24.17 21.48 41.02 1.49 82% 12% Resume [high priority] thread
295 8.80 7.81 21.48 1.08 98% 54% Thread switch
297 1.60 0.00 1.95 0.58 82% 17% Scheduler lock
298 2.61 1.95 3.91 0.87 66% 66% Scheduler unlock [0 threads]
299 2.59 1.95 3.91 0.86 67% 67% Scheduler unlock [1 suspended]
300 2.61 1.95 3.91 0.87 66% 66% Scheduler unlock [many suspended]
301 2.59 1.95 3.91 0.86 67% 67% Scheduler unlock [many low prio]
303 2.62 1.95 3.91 0.88 65% 65% Init mutex
304 4.82 3.91 9.77 1.09 96% 59% Lock [unlocked] mutex
305 4.39 3.91 9.77 0.79 81% 81% Unlock [locked] mutex
306 3.84 1.95 7.81 0.36 87% 9% Trylock [unlocked] mutex
307 3.54 1.95 5.86 0.69 75% 21% Trylock [locked] mutex
308 1.83 0.00 3.91 0.34 87% 9% Destroy mutex
309 34.61 31.25 46.88 1.68 78% 9% Unlock/Lock mutex
311 3.97 1.95 7.81 0.24 93% 3% Create mbox
312 1.83 0.00 3.91 0.34 87% 9% Peek [empty] mbox
313 4.76 3.91 9.77 1.07 62% 62% Put [first] mbox
314 1.71 0.00 3.91 0.64 75% 18% Peek [1 msg] mbox
315 5.00 3.91 9.77 1.10 96% 50% Put [second] mbox
316 1.65 0.00 1.95 0.52 84% 15% Peek [2 msgs] mbox
317 5.31 3.91 11.72 1.05 59% 37% Get [first] mbox
318 5.13 3.91 7.81 0.99 56% 40% Get [second] mbox
319 4.76 3.91 11.72 1.12 96% 65% Tryput [first] mbox
320 4.46 3.91 7.81 0.82 75% 75% Peek item [non-empty] mbox
321 5.55 3.91 9.77 0.82 68% 25% Tryget [non-empty] mbox
322 4.03 1.95 7.81 0.58 78% 9% Peek item [empty] mbox
323 4.27 3.91 5.86 0.59 81% 81% Tryget [empty] mbox
324 1.77 0.00 3.91 0.44 84% 12% Waiting to get mbox
325 1.59 0.00 1.95 0.60 81% 18% Waiting to put mbox
326 5.37 3.91 9.77 0.91 65% 31% Delete mbox
327 16.66 13.67 27.34 1.42 90% 3% Put/Get mbox
329 2.62 1.95 5.86 0.92 68% 68% Init semaphore
330 3.84 1.95 7.81 0.47 81% 12% Post [0] semaphore
331 4.21 3.91 7.81 0.53 87% 87% Wait [1] semaphore
332 3.48 1.95 5.86 0.76 71% 25% Trywait [0] semaphore
333 3.60 1.95 5.86 0.62 78% 18% Trywait [1] semaphore
334 2.26 1.95 5.86 0.53 87% 87% Peek semaphore
335 1.89 0.00 1.95 0.12 96% 3% Destroy semaphore
336 16.05 13.67 29.30 1.40 59% 18% Post/Wait semaphore
338 2.38 1.95 3.91 0.67 78% 78% Create counter
339 2.01 0.00 3.91 0.35 84% 6% Get counter value
340 1.89 0.00 3.91 0.24 90% 6% Set counter value
341 4.58 3.91 5.86 0.88 65% 65% Tick counter
342 1.71 0.00 1.95 0.43 87% 12% Delete counter
344 3.84 1.95 7.81 0.36 87% 9% Create alarm
345 7.99 5.86 15.63 0.47 93% 3% Initialize alarm
346 2.01 0.00 3.91 0.35 84% 6% Disable alarm
347 6.53 5.86 13.67 1.01 75% 75% Enable alarm
348 2.32 1.95 3.91 0.59 81% 81% Delete alarm
349 4.76 3.91 7.81 1.01 59% 59% Tick counter [1 alarm]
350 19.53 17.58 23.44 0.24 90% 6% Tick counter [many alarms]
351 7.57 5.86 13.67 0.75 75% 21% Tick & fire counter [1 alarm]
352 98.57 97.66 105.47 1.14 96% 62% Tick & fire counters [>1 together]
353 22.15 21.48 27.34 0.96 71% 71% Tick & fire counters [>1 separately]
354 359.18 357.42 384.77 1.10 65% 31% Alarm latency [0 threads]
355 362.63 357.42 396.48 2.55 43% 27% Alarm latency [2 threads]
356 408.22 402.34 416.02 2.73 55% 21% Alarm latency [many threads]
357 378.63 375.00 494.14 2.56 93% 71% Alarm -> thread resume latency
359 9.78 5.86 19.53 0.00 Clock/interrupt latency
361 12.21 5.86 31.25 0.00 Clock DSR latency
363 12 0 316 (main stack: 752) Thread stack used (1120 total)
364 All done, main stack : stack used 752 size 2400
365 All done : Interrupt stack used 288 size 4096
366 All done : Idlethread stack used 276 size 2048
368 Timing complete - 30550 ms total
370 PASS:<Basic timing OK>
384 SUMMARY="Footer navigation table"
395 HREF="rt-arm-ebsa285.html"
404 HREF="ecos-user-guide.html"
413 HREF="rt-arm-pid.html"
423 >Board: Intel StrongARM EBSA-285 Evaluation Board</TD
429 HREF="real-time-characterization.html"
437 >Board: ARM PID Evaluation Board</TD