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12 >Board: Hitachi HS7729PCI HS7729 SH3</TITLE
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19 TITLE="eCos User Guide"
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22 TITLE="Real-time characterization"
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25 TITLE="Board: CQ CqREEK SH3 Evaluation Board (cq7708)"
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28 TITLE="Board: Hitachi Solution Engine 7751 SH4 (se7751)"
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40 SUMMARY="Header navigation table"
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65 >Appendix B. Real-time characterization</TD
71 HREF="rt-sh-se7751.html"
85 NAME="RT-SH-HS7729PCI">Board: Hitachi HS7729PCI HS7729 SH3</H1
94 > Board: Hitachi HS7729PCI HS7729 SH3
96 CPU: Hitachi SH3/7729 132MHz
99 Startup, main stack : stack used 464 size 4112
100 Startup : Interrupt stack used 92 size 4096
101 Startup : Idlethread stack used 94 size 2048
104 Notes: all times are in microseconds (.000001) unless otherwise stated
106 Reading the hardware clock takes 3 'ticks' overhead
107 ... this value will be factored out of all other measurements
108 Clock interrupt took 18.10 microseconds (149 raw clock ticks)
117 Scheduler operations: 128
123 Ave Min Max Var Ave Min Function
124 ====== ====== ====== ====== ========== ========
125 18.33 15.52 28.24 1.47 53% 28% Create thread
126 3.08 2.91 6.79 0.13 78% 89% Yield thread [all suspended]
127 3.23 3.03 6.18 0.16 59% 70% Suspend [suspended] thread
128 2.70 2.55 6.18 0.15 54% 82% Resume thread
129 4.12 4.00 7.52 0.16 96% 81% Set priority
130 0.61 0.48 1.33 0.07 57% 28% Get priority
131 9.14 8.61 18.91 0.42 85% 57% Kill [suspended] thread
132 3.04 2.91 4.48 0.07 68% 20% Yield [no other] thread
133 5.12 4.73 7.88 0.29 60% 53% Resume [suspended low prio] thread
134 2.54 2.42 3.03 0.09 39% 40% Resume [runnable low prio] thread
135 5.00 4.36 9.45 0.21 75% 1% Suspend [runnable] thread
136 3.04 2.91 4.61 0.07 65% 21% Yield [only low prio] thread
137 2.91 2.79 3.27 0.08 43% 31% Suspend [runnable->not runnable]
138 8.82 8.12 15.39 0.36 68% 29% Kill [runnable] thread
139 5.07 4.48 12.73 0.37 76% 50% Destroy [dead] thread
140 11.17 10.55 22.91 0.52 78% 67% Destroy [runnable] thread
141 22.43 21.45 32.73 0.61 81% 50% Resume [high priority] thread
142 7.99 7.88 13.58 0.14 98% 86% Thread switch
144 0.37 0.36 1.33 0.02 97% 97% Scheduler lock
145 1.74 1.70 2.06 0.06 70% 70% Scheduler unlock [0 threads]
146 1.75 1.70 2.06 0.07 92% 64% Scheduler unlock [1 suspended]
147 1.71 1.70 2.42 0.03 89% 89% Scheduler unlock [many suspended]
148 1.76 1.70 3.64 0.08 96% 64% Scheduler unlock [many low prio]
150 4.23 3.88 10.67 0.41 96% 93% Unlock [locked] mutex
151 3.12 2.91 6.91 0.29 96% 87% Trylock [unlocked] mutex
152 2.54 2.42 2.91 0.11 18% 46% Trylock [locked] mutex
153 0.88 0.73 3.15 0.14 65% 96% Destroy mutex
154 22.33 22.06 25.94 0.23 81% 62% Unlock/Lock mutex
156 1.92 1.82 4.73 0.19 96% 93% Create mbox
157 0.61 0.48 1.70 0.15 84% 75% Peek [empty] mbox
158 4.00 3.64 9.45 0.36 96% 87% Put [first] mbox
159 0.30 0.24 0.73 0.09 84% 75% Peek [1 msg] mbox
160 3.82 3.64 6.67 0.22 90% 84% Put [second] mbox
161 0.32 0.24 1.33 0.12 81% 81% Peek [2 msgs] mbox
162 4.19 3.76 9.21 0.34 84% 50% Get [first] mbox
163 3.91 3.76 5.21 0.16 84% 75% Get [second] mbox
164 3.51 3.27 8.12 0.34 93% 87% Tryput [first] mbox
165 3.25 2.91 7.15 0.30 62% 56% Peek item [non-empty] mbox
166 3.86 3.52 8.73 0.37 93% 84% Tryget [non-empty] mbox
167 2.87 2.79 3.76 0.12 84% 71% Peek item [empty] mbox
168 3.15 3.03 4.24 0.10 46% 40% Tryget [empty] mbox
169 0.34 0.24 1.33 0.10 43% 46% Waiting to get mbox
170 0.36 0.24 1.45 0.09 53% 37% Waiting to put mbox
171 4.49 4.24 10.91 0.41 96% 96% Delete mbox
172 12.67 12.36 19.52 0.43 96% 96% Put/Get mbox
174 0.87 0.85 1.45 0.05 93% 93% Init semaphore
175 2.74 2.55 4.48 0.18 50% 50% Post [0] semaphore
176 3.39 3.15 4.24 0.14 78% 50% Wait [1] semaphore
177 2.62 2.42 5.33 0.21 96% 65% Trywait [0] semaphore
178 2.76 2.67 3.27 0.08 46% 43% Trywait [1] semaphore
179 1.09 0.85 2.91 0.19 68% 56% Peek semaphore
180 0.97 0.73 3.39 0.17 90% 65% Destroy semaphore
181 13.09 12.85 16.12 0.19 84% 65% Post/Wait semaphore
183 1.57 1.45 3.88 0.15 96% 93% Create counter
184 0.91 0.73 2.18 0.16 46% 68% Get counter value
185 0.55 0.48 0.97 0.09 90% 62% Set counter value
186 4.19 4.00 5.82 0.13 84% 75% Tick counter
187 0.87 0.73 3.15 0.16 93% 93% Delete counter
189 2.50 2.30 5.21 0.18 81% 90% Create alarm
190 6.16 5.70 12.97 0.47 96% 71% Initialize alarm
191 0.50 0.36 1.70 0.11 62% 34% Disable alarm
192 5.16 4.85 8.73 0.29 78% 78% Enable alarm
193 1.18 1.09 2.30 0.12 84% 65% Delete alarm
194 5.22 5.09 7.39 0.14 96% 93% Tick counter [1 alarm]
195 52.37 52.12 52.73 0.20 37% 56% Tick counter [many alarms]
196 6.73 6.55 8.24 0.13 78% 68% Tick & fire counter [1 alarm]
197 108.65 108.61 109.21 0.07 87% 87% Tick & fire counters [>1 together]
198 54.25 54.06 54.79 0.11 65% 18% Tick & fire counters [>1 separately]
199 17.36 17.09 29.82 0.23 82% 57% Alarm latency [0 threads]
200 19.75 17.09 28.00 1.65 46% 40% Alarm latency [2 threads]
201 39.02 34.06 50.67 2.00 53% 15% Alarm latency [many threads]
202 29.31 28.36 105.09 1.27 98% 97% Alarm -> thread resume latency
204 5.08 3.88 11.15 0.00 Clock/interrupt latency
206 7.32 5.09 16.73 0.00 Clock DSR latency
208 6 0 380 (main stack: 820) Thread stack used (992 total)
209 All done, main stack : stack used 820 size 4112
210 All done : Interrupt stack used 196 size 4096
211 All done : Idlethread stack used 360 size 2048
213 Timing complete - 29960 ms total
214 PASS:<Basic timing OK>
215 EXIT:<done> </PRE
225 SUMMARY="Footer navigation table"
236 HREF="rt-sh-cq7708.html"
245 HREF="ecos-user-guide.html"
254 HREF="rt-sh-se7751.html"
264 >Board: CQ CqREEK SH3 Evaluation Board (cq7708)</TD
270 HREF="real-time-characterization.html"
278 >Board: Hitachi Solution Engine 7751 SH4 (se7751)</TD