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12 >Board: Hitachi EDK7708</TITLE
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19 TITLE="eCos User Guide"
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22 TITLE="Real-time characterization"
23 HREF="real-time-characterization.html"><LINK
25 TITLE="Board: Motorola MBX"
26 HREF="rt-ppc-mbx860.html"><LINK
28 TITLE="Board: CQ CqREEK SH3 Evaluation Board (cq7708)"
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40 SUMMARY="Header navigation table"
57 HREF="rt-ppc-mbx860.html"
65 >Appendix B. Real-time characterization</TD
71 HREF="rt-sh-cq7708.html"
85 NAME="RT-SH-EDK7708">Board: Hitachi EDK7708</H1
95 Board: Hitachi EDK7708
97 CPU: Hitachi SH3/7708 60MHz
101 Startup, main stack : stack used 444 size 4112
102 Startup : Interrupt stack used 76 size 4096
103 Startup : Idlethread stack used 96 size 2048
106 Notes: all times are in microseconds (.000001) unless otherwise stated
108 Reading the hardware clock takes 2 `ticks' overhead
109 ... this value will be factored out of all other measurements
110 Clock interrupt took 14.75 microseconds (55 raw clock ticks)
119 Scheduler operations: 128
125 Ave Min Max Var Ave Min Function
126 ====== ====== ====== ====== ========== ========
127 15.43 13.60 24.00 1.29 62% 50% Create thread
128 3.33 3.20 4.27 0.18 93% 68% Yield thread [all suspended]
129 2.90 2.40 5.33 0.36 81% 62% Suspend [suspended] thread
130 2.93 2.67 4.80 0.27 93% 87% Resume thread
131 4.30 3.73 10.13 0.73 93% 93% Set priority
132 0.65 0.27 2.13 0.28 68% 62% Get priority
133 9.72 8.53 21.33 1.45 93% 93% Kill [suspended] thread
134 3.33 3.20 4.53 0.20 93% 75% Yield [no other] thread
135 5.30 4.80 10.13 0.65 93% 87% Resume [suspended low prio] thread
136 2.80 2.40 4.53 0.27 81% 75% Resume [runnable low prio] thread
137 4.82 4.00 8.27 0.49 68% 25% Suspend [runnable] thread
138 3.32 3.20 4.00 0.16 93% 68% Yield [only low prio] thread
139 2.82 2.40 4.27 0.25 81% 12% Suspend [runnable->not runnable]
140 9.45 8.53 19.47 1.25 93% 93% Kill [runnable] thread
141 5.30 4.53 11.20 0.74 87% 93% Destroy [dead] thread
142 11.83 10.67 25.07 1.65 93% 93% Destroy [runnable] thread
143 19.53 17.33 31.20 1.88 75% 75% Resume [high priority] thread
144 6.70 6.67 11.47 0.07 99% 99% Thread switch
146 0.33 0.27 0.80 0.10 75% 75% Scheduler lock
147 1.74 1.60 2.67 0.14 99% 50% Scheduler unlock [0 threads]
148 1.72 1.60 3.20 0.14 99% 57% Scheduler unlock [1 suspended]
149 1.81 1.60 3.20 0.10 75% 23% Scheduler unlock [many suspended]
150 1.86 1.60 3.20 0.02 94% 4% Scheduler unlock [many low prio]
152 1.22 1.07 3.20 0.20 96% 65% Init mutex
153 3.21 2.93 5.87 0.17 68% 28% Lock [unlocked] mutex
154 3.36 2.93 7.47 0.30 84% 75% Unlock [locked] mutex
155 2.83 2.67 5.33 0.22 96% 65% Trylock [unlocked] mutex
156 2.53 2.40 2.93 0.14 96% 53% Trylock [locked] mutex
157 0.28 0.27 0.80 0.03 96% 96% Destroy mutex
158 20.09 19.73 23.20 0.23 84% 12% Unlock/Lock mutex
160 2.38 2.13 4.53 0.17 59% 34% Create mbox
161 0.45 0.27 1.33 0.15 56% 40% Peek [empty] mbox
162 3.70 3.20 7.20 0.29 84% 59% Put [first] mbox
163 0.45 0.27 0.80 0.13 62% 34% Peek [1 msg] mbox
164 3.67 3.20 5.60 0.23 81% 6% Put [second] mbox
165 0.42 0.27 0.53 0.13 59% 40% Peek [2 msgs] mbox
166 3.98 3.47 7.47 0.24 59% 9% Get [first] mbox
167 3.97 3.47 4.80 0.24 59% 12% Get [second] mbox
168 3.51 3.20 6.67 0.28 56% 78% Tryput [first] mbox
169 3.29 2.93 5.60 0.29 59% 65% Peek item [non-empty] mbox
170 4.06 3.47 7.20 0.26 68% 3% Tryget [non-empty] mbox
171 3.03 2.67 5.33 0.19 93% 3% Peek item [empty] mbox
172 3.36 3.20 4.80 0.18 96% 56% Tryget [empty] mbox
173 0.57 0.27 1.33 0.09 84% 3% Waiting to get mbox
174 0.52 0.27 1.07 0.11 62% 21% Waiting to put mbox
175 3.88 3.47 7.47 0.30 78% 65% Delete mbox
176 12.04 11.73 17.33 0.33 96% 96% Put/Get mbox
178 1.17 1.07 2.40 0.16 71% 71% Init semaphore
179 2.67 2.40 4.27 0.15 62% 25% Post [0] semaphore
180 3.00 2.67 4.53 0.17 65% 12% Wait [1] semaphore
181 2.54 2.40 4.80 0.20 96% 71% Trywait [0] semaphore
182 2.42 2.40 2.93 0.03 96% 96% Trywait [1] semaphore
183 0.79 0.53 2.13 0.15 59% 28% Peek semaphore
184 0.77 0.53 1.87 0.12 71% 25% Destroy semaphore
185 12.64 12.27 17.07 0.28 84% 96% Post/Wait semaphore
187 1.27 1.07 2.93 0.17 53% 43% Create counter
188 0.54 0.27 1.33 0.13 59% 21% Get counter value
189 0.47 0.27 1.60 0.17 46% 43% Set counter value
190 3.47 3.20 4.80 0.16 53% 28% Tick counter
191 0.80 0.53 2.13 0.13 62% 25% Delete counter
193 1.86 1.60 4.00 0.21 43% 40% Create alarm
194 5.12 4.80 9.07 0.36 93% 75% Initialize alarm
195 0.44 0.27 1.33 0.19 87% 53% Disable alarm
196 4.77 4.27 9.60 0.35 87% 62% Enable alarm
197 1.02 0.80 2.67 0.18 53% 40% Delete alarm
198 3.56 3.47 5.33 0.15 84% 84% Tick counter [1 alarm]
199 15.04 14.93 16.27 0.16 71% 71% Tick counter [many alarms]
200 5.75 5.60 8.00 0.21 96% 68% Tick & fire counter [1 alarm]
201 79.60 79.47 81.07 0.17 96% 65% Tick & fire counters [>1 together]
202 17.04 16.80 18.93 0.15 65% 31% Tick & fire counters [>1 separately]
203 12.44 12.27 29.60 0.31 96% 96% Alarm latency [0 threads]
204 14.06 12.27 27.20 0.53 82% 4% Alarm latency [2 threads]
205 19.62 17.07 38.40 1.44 57% 34% Alarm latency [many threads]
207 2.79 2.40 6.13 0.00 Clock/interrupt latency
209 376 376 376 (main stack: 764) Thread stack used (992 total)
210 All done, main stack : stack used 764 size 4112
211 All done : Interrupt stack used 176 size 4096
212 All done : Idlethread stack used 352 size 2048
214 Timing complete - 23860 ms total
216 PASS:<Basic timing OK>
229 SUMMARY="Footer navigation table"
240 HREF="rt-ppc-mbx860.html"
249 HREF="ecos-user-guide.html"
258 HREF="rt-sh-cq7708.html"
268 >Board: Motorola MBX</TD
274 HREF="real-time-characterization.html"
282 >Board: CQ CqREEK SH3 Evaluation Board (cq7708)</TD