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12 >Board: CQ CqREEK SH3 Evaluation Board (cq7708)</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: Hitachi EDK7708"
26 HREF="rt-sh-edk7708.html"><LINK
28 TITLE="Board: Hitachi HS7729PCI HS7729 SH3"
29 HREF="rt-sh-hs7729pci.html"></HEAD
40 SUMMARY="Header navigation table"
57 HREF="rt-sh-edk7708.html"
65 >Appendix B. Real-time characterization</TD
71 HREF="rt-sh-hs7729pci.html"
85 NAME="RT-SH-CQ7708">Board: CQ CqREEK SH3 Evaluation Board (cq7708)</H1
94 > Board: CQ CqREEK SH3 Evaluation Board (cq7708)
96 CPU: Hitachi SH3/7708 60MHz
98 Startup, main stack : stack used 448 size 4112
99 Startup : Interrupt stack used 80 size 4096
100 Startup : Idlethread stack used 96 size 2048
103 Notes: all times are in microseconds (.000001) unless otherwise stated
105 Reading the hardware clock takes 2 `ticks' overhead
106 ... this value will be factored out of all other measurements
107 Clock interrupt took 19.17 microseconds (71 raw clock ticks)
116 Scheduler operations: 128
122 Ave Min Max Var Ave Min Function
123 ====== ====== ====== ====== ========== ========
124 20.62 14.40 26.93 3.23 48% 26% Create thread
125 3.16 2.93 4.27 0.09 78% 20% Yield thread [all suspended]
126 2.91 2.40 5.87 0.17 57% 1% Suspend [suspended] thread
127 2.73 2.40 6.40 0.19 64% 15% Resume thread
128 4.05 3.73 11.47 0.27 62% 90% Set priority
129 0.82 0.27 2.67 0.17 56% 3% Get priority
130 9.07 8.53 24.27 0.51 78% 71% Kill [suspended] thread
131 3.19 2.93 7.20 0.14 70% 28% Yield [no other] thread
132 5.45 4.53 17.87 0.49 78% 17% Resume [suspended low prio] thread
133 2.67 2.40 5.07 0.15 56% 28% Resume [runnable low prio] thread
134 4.95 4.27 11.47 0.28 82% 14% Suspend [runnable] thread
135 3.15 2.93 4.53 0.11 73% 25% Yield [only low prio] thread
136 2.82 2.40 5.60 0.21 84% 10% Suspend [runnable->not runnable]
137 8.92 8.00 24.27 0.51 84% 14% Kill [runnable] thread
138 5.10 4.53 12.00 0.27 59% 39% Destroy [dead] thread
139 11.81 10.93 37.33 0.81 87% 95% Destroy [runnable] thread
140 22.15 20.80 54.67 1.27 92% 92% Resume [high priority] thread
141 6.85 6.67 13.60 0.19 99% 50% Thread switch
143 0.27 0.27 1.07 0.01 99% 99% Scheduler lock
144 1.74 1.60 2.67 0.14 99% 50% Scheduler unlock [0 threads]
145 1.74 1.60 2.93 0.14 99% 50% Scheduler unlock [1 suspended]
146 1.81 1.60 4.27 0.11 72% 26% Scheduler unlock [many suspended]
147 1.75 1.60 4.00 0.15 50% 49% Scheduler unlock [many low prio]
149 1.22 1.07 4.27 0.23 96% 78% Init mutex
150 3.18 2.93 7.20 0.27 96% 53% Lock [unlocked] mutex
151 3.40 3.20 8.00 0.31 96% 96% Unlock [locked] mutex
152 2.77 2.40 5.87 0.22 87% 9% Trylock [unlocked] mutex
153 2.35 2.13 3.47 0.14 65% 31% Trylock [locked] mutex
154 0.78 0.53 2.67 0.14 68% 28% Destroy mutex
155 22.80 22.40 28.80 0.51 96% 71% Unlock/Lock mutex
157 2.61 2.40 6.13 0.26 96% 62% Create mbox
158 0.52 0.27 1.60 0.19 40% 37% Peek [empty] mbox
159 3.54 3.20 7.73 0.35 93% 78% Put [first] mbox
160 0.50 0.27 1.60 0.17 46% 37% Peek [1 msg] mbox
161 3.62 3.20 6.93 0.34 59% 65% Put [second] mbox
162 0.52 0.27 2.13 0.23 31% 43% Peek [2 msgs] mbox
163 3.93 3.47 10.13 0.43 65% 65% Get [first] mbox
164 3.92 3.47 7.47 0.40 56% 56% Get [second] mbox
165 3.37 2.93 6.93 0.36 59% 68% Tryput [first] mbox
166 3.30 2.67 6.93 0.38 84% 40% Peek item [non-empty] mbox
167 3.93 3.47 9.33 0.44 65% 71% Tryget [non-empty] mbox
168 2.94 2.67 6.13 0.25 43% 43% Peek item [empty] mbox
169 3.23 2.93 6.67 0.27 56% 84% Tryget [empty] mbox
170 0.58 0.27 2.67 0.20 62% 21% Waiting to get mbox
171 0.55 0.27 1.87 0.14 62% 21% Waiting to put mbox
172 3.82 3.47 9.87 0.39 96% 93% Delete mbox
173 13.35 12.80 21.33 0.50 87% 78% Put/Get mbox
175 1.22 1.07 2.93 0.19 96% 59% Init semaphore
176 2.42 2.13 4.27 0.12 81% 15% Post [0] semaphore
177 2.96 2.67 5.07 0.16 68% 21% Wait [1] semaphore
178 2.37 2.13 4.53 0.17 62% 34% Trywait [0] semaphore
179 2.29 2.13 3.47 0.17 96% 53% Trywait [1] semaphore
180 0.66 0.53 2.13 0.17 96% 68% Peek semaphore
181 0.81 0.53 2.93 0.13 75% 21% Destroy semaphore
182 14.47 14.13 21.33 0.43 96% 96% Post/Wait semaphore
184 1.44 1.07 3.47 0.29 56% 71% Create counter
185 0.62 0.27 1.07 0.14 62% 3% Get counter value
186 0.56 0.27 1.60 0.17 50% 25% Set counter value
187 3.39 3.20 4.27 0.16 53% 40% Tick counter
188 0.83 0.53 1.87 0.14 68% 15% Delete counter
190 2.02 1.87 4.00 0.21 93% 68% Create alarm
191 5.06 4.27 11.73 0.46 78% 18% Initialize alarm
192 0.73 0.27 2.40 0.22 84% 3% Disable alarm
193 4.82 4.27 11.47 0.48 81% 65% Enable alarm
194 1.19 0.80 3.47 0.22 87% 9% Delete alarm
195 3.63 3.47 5.60 0.20 96% 59% Tick counter [1 alarm]
196 15.01 14.93 16.53 0.13 87% 87% Tick counter [many alarms]
197 5.50 5.33 8.00 0.22 96% 65% Tick & fire counter [1 alarm]
198 74.27 74.13 76.80 0.21 96% 78% Tick & fire counters [>1 together]
199 16.90 16.53 19.47 0.23 81% 15% Tick & fire counters [>1 separately]
200 16.70 16.53 36.27 0.33 98% 98% Alarm latency [0 threads]
201 17.85 16.53 34.40 0.47 73% 0% Alarm latency [2 threads]
202 63.26 58.40 80.00 2.64 52% 32% Alarm latency [many threads]
203 30.37 29.33 124.80 1.68 98% 97% Alarm -> thread resume latency
205 7.37 5.07 17.87 0.00 Clock/interrupt latency
207 9.00 4.53 26.93 0.00 Clock DSR latency
209 106 0 376 (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 - 30310 ms total
216 PASS:<Basic timing OK>
229 SUMMARY="Footer navigation table"
240 HREF="rt-sh-edk7708.html"
249 HREF="ecos-user-guide.html"
258 HREF="rt-sh-hs7729pci.html"
268 >Board: Hitachi EDK7708</TD
274 HREF="real-time-characterization.html"
282 >Board: Hitachi HS7729PCI HS7729 SH3</TD