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>Board: Intel IQ80310 XScale Development Kit
 
CPU: Intel XScale 600MHz
 
 
Startup, main stack             : stack used   388 size  2400
Startup              :  Interrupt stack used   148 size  4096
Startup              : Idlethread stack used    76 size  1120
 
eCos Kernel Timings
Notes: all times are in microseconds (.000001) unless otherwise stated
 
Reading the hardware clock takes 73 'ticks' overhead
... this value will be factored out of all other measurements
Clock interrupt took   12.11 microseconds (399 raw clock ticks)
 
Testing parameters:
   Clock samples:            32
   Threads:                  64
   Thread switches:         128
   Mutexes:                  32
   Mailboxes:                32
   Semaphores:               32
   Scheduler operations:    128
   Counters:                 32
   Alarms:                   32
 
 
                                 Confidence
     Ave     Min     Max     Var  Ave  Min  Function
  ======  ======  ======  ====== ========== ========
    6.53    5.48    8.55    0.50   53%  23% Create thread
    0.37    0.03    3.24    0.18   87%   1% Yield thread [all suspended]
    0.24    0.00    2.06    0.12   87%   1% Suspend [suspended] thread
    0.25    0.00    0.73    0.06   71%   1% Resume thread
    0.36    0.09    0.82    0.10   89%   1% Set priority
    0.03    0.00    0.42    0.05   90%  90% Get priority
    1.07    0.52    6.39    0.18   92%   1% Kill [suspended] thread
    0.33    0.06    0.91    0.08   78%   3% Yield [no other] thread
    0.55    0.03    1.06    0.09   85%   1% Resume [suspended low prio] thread
    0.28    0.00    1.79    0.11   84%   4% Resume [runnable low prio] thread
    0.43    0.00    1.00    0.12   76%   1% Suspend [runnable] thread
    0.31    0.00    1.24    0.09   82%   4% Yield [only low prio] thread
    0.21    0.00    0.42    0.04   73%   1% Suspend [runnable-&#62;not runnable]
    1.00    0.88    1.45    0.04   78%   4% Kill [runnable] thread
    0.59    0.42    3.97    0.13   81%  87% Destroy [dead] thread
    1.43    1.27    1.94    0.07   78%   7% Destroy [runnable] thread
    3.12    2.58    5.09    0.33   56%  34% Resume [high priority] thread
    0.87    0.36    1.39    0.07   86%   0% Thread switch
 
    0.15    0.00    1.39    0.21   81%  81% Scheduler lock
    0.16    0.00    0.64    0.08   85%   7% Scheduler unlock [0 threads]
    0.16    0.00    0.64    0.08   75%   8% Scheduler unlock [1 suspended]
    0.16    0.00    0.70    0.08   78%   6% Scheduler unlock [many suspended]
    0.16    0.00    0.64    0.07   81%   4% Scheduler unlock [many low prio]
 
    0.45    0.00    1.39    0.34   56%  46% Init mutex
    0.43    0.18    3.27    0.23   87%  87% Lock [unlocked] mutex
    0.48    0.09    3.88    0.26   84%  71% Unlock [locked] mutex
    0.35    0.21    2.24    0.21   87%  84% Trylock [unlocked] mutex
    0.26    0.00    0.67    0.13   78%   9% Trylock [locked] mutex
    0.21    0.00    1.27    0.24   78%  75% Destroy mutex
    2.58    2.09    3.09    0.13   75%   9% Unlock/Lock mutex
 
    0.99    0.21    2.48    0.41   65%  28% Create mbox
    0.04    0.00    0.39    0.07   90%  87% Peek [empty] mbox
    0.47    0.27    3.48    0.29   90%  78% Put [first] mbox
    0.02    0.00    0.39    0.03   90%  90% Peek [1 msg] mbox
    0.29    0.15    0.58    0.04   68%   3% Put [second] mbox
    0.02    0.00    0.45    0.04   93%  93% Peek [2 msgs] mbox
    0.48    0.21    3.67    0.26   84%  87% Get [first] mbox
    0.35    0.09    0.82    0.11   75%   3% Get [second] mbox
    0.50    0.21    3.18    0.33   90%  68% Tryput [first] mbox
    0.39    0.15    1.39    0.19   78%  68% Peek item [non-empty] mbox
    0.43    0.18    3.33    0.23   87%  90% Tryget [non-empty] mbox
    0.28    0.03    0.79    0.06   68%   3% Peek item [empty] mbox
    0.28    0.21    0.58    0.05   71%  65% Tryget [empty] mbox
    0.01    0.00    0.36    0.02   96%  90% Waiting to get mbox
    0.05    0.00    0.45    0.09   87%  84% Waiting to put mbox
    0.42    0.09    2.88    0.20   84%  12% Delete mbox
    1.39    1.27    2.39    0.14   87%  87% Put/Get mbox
 
    0.35    0.00    1.36    0.45   75%  68% Init semaphore
    0.19    0.00    0.45    0.04   81%   3% Post [0] semaphore
    0.25    0.21    0.88    0.06   84%  81% Wait [1] semaphore
    0.32    0.06    1.79    0.21   78%  68% Trywait [0] semaphore
    0.20    0.00    0.52    0.06   62%   3% Trywait [1] semaphore
    0.07    0.00    0.45    0.10   84%  81% Peek semaphore
    0.06    0.00    0.52    0.06   71%  78% Destroy semaphore
    1.45    1.42    1.79    0.04   87%  87% Post/Wait semaphore
 
    0.70    0.00    2.88    0.47   43%  34% Create counter
    0.05    0.00    0.42    0.09   87%  84% Get counter value
    0.02    0.00    0.45    0.04   93%  93% Set counter value
    0.38    0.12    0.58    0.06   59%   3% Tick counter
    0.03    0.00    0.48    0.05   93%  78% Delete counter
 
    1.10    0.39    4.30    0.47   62%  53% Create alarm
    0.58    0.03    3.12    0.18   87%   3% Initialize alarm
    0.04    0.00    0.42    0.07   90%  90% Disable alarm
    0.54    0.36    1.36    0.12   84%  43% Enable alarm
    0.03    0.00    0.70    0.06   84%  84% Delete alarm
    0.50    0.24    0.97    0.08   84%   6% Tick counter [1 alarm]
    5.30    5.12    5.97    0.14   84%  75% Tick counter [many alarms]
    0.82    0.64    1.36    0.11   78%  43% Tick &#38; fire counter [1 alarm]
   14.13   13.85   14.55    0.09   78%   3% Tick &#38; fire counters [&#62;1 together]
    5.56    5.45    6.00    0.09   78%  71% Tick &#38; fire counters [&#62;1 separately]
    9.69    9.45   12.52    0.22   64%  71% Alarm latency [0 threads]
    9.98    9.48   12.76    0.23   69%  14% Alarm latency [2 threads]
   10.38    9.48   24.67    0.59   74%  45% Alarm latency [many threads]
   11.72   11.30   21.33    0.32   81%  58% Alarm -&#62; thread resume latency
 
    1.87    1.82   10.42    0.00            Clock/interrupt latency
 
    3.02    2.58    7.67    0.00            Clock DSR latency
 
    9       0     260  (main stack:   776)  Thread stack used (1120 total)
All done, main stack            : stack used   776 size  2400
All done             :  Interrupt stack used   268 size  4096
All done             : Idlethread stack used   244 size  1120
 
Timing complete - 30300 ms total
 
PASS:&lt;Basic timing OK&#62;
EXIT:&lt;done&#62;
 
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65			`>Appendix B. Real-time characterization</TD`
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85			`NAME="RT-ARM-IQ80310">Board: Intel IQ80310 XScale Development Kit</H1`
86			`><TABLE`
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93			`CLASS="LITERALLAYOUT"`
94			`>Board: Intel IQ80310 XScale Development Kit`
95
96			`CPU: Intel XScale 600MHz`
97
98
99			`Startup, main stack : stack used 388 size 2400`
100			`Startup : Interrupt stack used 148 size 4096`
101			`Startup : Idlethread stack used 76 size 1120`
102
103			`eCos Kernel Timings`
104			`Notes: all times are in microseconds (.000001) unless otherwise stated`
105
106			`Reading the hardware clock takes 73 'ticks' overhead`
107			`... this value will be factored out of all other measurements`
108			`Clock interrupt took 12.11 microseconds (399 raw clock ticks)`
109
110			`Testing parameters:`
111			`Clock samples: 32`
112			`Threads: 64`
113			`Thread switches: 128`
114			`Mutexes: 32`
115			`Mailboxes: 32`
116			`Semaphores: 32`
117			`Scheduler operations: 128`
118			`Counters: 32`
119			`Alarms: 32`
120
121
122			`Confidence`
123			`Ave Min Max Var Ave Min Function`
124			`====== ====== ====== ====== ========== ========`
125			`6.53 5.48 8.55 0.50 53% 23% Create thread`
126			`0.37 0.03 3.24 0.18 87% 1% Yield thread [all suspended]`
127			`0.24 0.00 2.06 0.12 87% 1% Suspend [suspended] thread`
128			`0.25 0.00 0.73 0.06 71% 1% Resume thread`
129			`0.36 0.09 0.82 0.10 89% 1% Set priority`
130			`0.03 0.00 0.42 0.05 90% 90% Get priority`
131			`1.07 0.52 6.39 0.18 92% 1% Kill [suspended] thread`
132			`0.33 0.06 0.91 0.08 78% 3% Yield [no other] thread`
133			`0.55 0.03 1.06 0.09 85% 1% Resume [suspended low prio] thread`
134			`0.28 0.00 1.79 0.11 84% 4% Resume [runnable low prio] thread`
135			`0.43 0.00 1.00 0.12 76% 1% Suspend [runnable] thread`
136			`0.31 0.00 1.24 0.09 82% 4% Yield [only low prio] thread`
137			`0.21 0.00 0.42 0.04 73% 1% Suspend [runnable->not runnable]`
138			`1.00 0.88 1.45 0.04 78% 4% Kill [runnable] thread`
139			`0.59 0.42 3.97 0.13 81% 87% Destroy [dead] thread`
140			`1.43 1.27 1.94 0.07 78% 7% Destroy [runnable] thread`
141			`3.12 2.58 5.09 0.33 56% 34% Resume [high priority] thread`
142			`0.87 0.36 1.39 0.07 86% 0% Thread switch`
143
144			`0.15 0.00 1.39 0.21 81% 81% Scheduler lock`
145			`0.16 0.00 0.64 0.08 85% 7% Scheduler unlock [0 threads]`
146			`0.16 0.00 0.64 0.08 75% 8% Scheduler unlock [1 suspended]`
147			`0.16 0.00 0.70 0.08 78% 6% Scheduler unlock [many suspended]`
148			`0.16 0.00 0.64 0.07 81% 4% Scheduler unlock [many low prio]`
149
150			`0.45 0.00 1.39 0.34 56% 46% Init mutex`
151			`0.43 0.18 3.27 0.23 87% 87% Lock [unlocked] mutex`
152			`0.48 0.09 3.88 0.26 84% 71% Unlock [locked] mutex`
153			`0.35 0.21 2.24 0.21 87% 84% Trylock [unlocked] mutex`
154			`0.26 0.00 0.67 0.13 78% 9% Trylock [locked] mutex`
155			`0.21 0.00 1.27 0.24 78% 75% Destroy mutex`
156			`2.58 2.09 3.09 0.13 75% 9% Unlock/Lock mutex`
157
158			`0.99 0.21 2.48 0.41 65% 28% Create mbox`
159			`0.04 0.00 0.39 0.07 90% 87% Peek [empty] mbox`
160			`0.47 0.27 3.48 0.29 90% 78% Put [first] mbox`
161			`0.02 0.00 0.39 0.03 90% 90% Peek [1 msg] mbox`
162			`0.29 0.15 0.58 0.04 68% 3% Put [second] mbox`
163			`0.02 0.00 0.45 0.04 93% 93% Peek [2 msgs] mbox`
164			`0.48 0.21 3.67 0.26 84% 87% Get [first] mbox`
165			`0.35 0.09 0.82 0.11 75% 3% Get [second] mbox`
166			`0.50 0.21 3.18 0.33 90% 68% Tryput [first] mbox`
167			`0.39 0.15 1.39 0.19 78% 68% Peek item [non-empty] mbox`
168			`0.43 0.18 3.33 0.23 87% 90% Tryget [non-empty] mbox`
169			`0.28 0.03 0.79 0.06 68% 3% Peek item [empty] mbox`
170			`0.28 0.21 0.58 0.05 71% 65% Tryget [empty] mbox`
171			`0.01 0.00 0.36 0.02 96% 90% Waiting to get mbox`
172			`0.05 0.00 0.45 0.09 87% 84% Waiting to put mbox`
173			`0.42 0.09 2.88 0.20 84% 12% Delete mbox`
174			`1.39 1.27 2.39 0.14 87% 87% Put/Get mbox`
175
176			`0.35 0.00 1.36 0.45 75% 68% Init semaphore`
177			`0.19 0.00 0.45 0.04 81% 3% Post [0] semaphore`
178			`0.25 0.21 0.88 0.06 84% 81% Wait [1] semaphore`
179			`0.32 0.06 1.79 0.21 78% 68% Trywait [0] semaphore`
180			`0.20 0.00 0.52 0.06 62% 3% Trywait [1] semaphore`
181			`0.07 0.00 0.45 0.10 84% 81% Peek semaphore`
182			`0.06 0.00 0.52 0.06 71% 78% Destroy semaphore`
183			`1.45 1.42 1.79 0.04 87% 87% Post/Wait semaphore`
184
185			`0.70 0.00 2.88 0.47 43% 34% Create counter`
186			`0.05 0.00 0.42 0.09 87% 84% Get counter value`
187			`0.02 0.00 0.45 0.04 93% 93% Set counter value`
188			`0.38 0.12 0.58 0.06 59% 3% Tick counter`
189			`0.03 0.00 0.48 0.05 93% 78% Delete counter`
190
191			`1.10 0.39 4.30 0.47 62% 53% Create alarm`
192			`0.58 0.03 3.12 0.18 87% 3% Initialize alarm`
193			`0.04 0.00 0.42 0.07 90% 90% Disable alarm`
194			`0.54 0.36 1.36 0.12 84% 43% Enable alarm`
195			`0.03 0.00 0.70 0.06 84% 84% Delete alarm`
196			`0.50 0.24 0.97 0.08 84% 6% Tick counter [1 alarm]`
197			`5.30 5.12 5.97 0.14 84% 75% Tick counter [many alarms]`
198			`0.82 0.64 1.36 0.11 78% 43% Tick & fire counter [1 alarm]`
199			`14.13 13.85 14.55 0.09 78% 3% Tick & fire counters [>1 together]`
200			`5.56 5.45 6.00 0.09 78% 71% Tick & fire counters [>1 separately]`
201			`9.69 9.45 12.52 0.22 64% 71% Alarm latency [0 threads]`
202			`9.98 9.48 12.76 0.23 69% 14% Alarm latency [2 threads]`
203			`10.38 9.48 24.67 0.59 74% 45% Alarm latency [many threads]`
204			`11.72 11.30 21.33 0.32 81% 58% Alarm -> thread resume latency`
205
206			`1.87 1.82 10.42 0.00 Clock/interrupt latency`
207
208			`3.02 2.58 7.67 0.00 Clock DSR latency`
209
210			`9 0 260 (main stack: 776) Thread stack used (1120 total)`
211			`All done, main stack : stack used 776 size 2400`
212			`All done : Interrupt stack used 268 size 4096`
213			`All done : Idlethread stack used 244 size 1120`
214
215			`Timing complete - 30300 ms total`
216
217			`PASS:<Basic timing OK>`
218			`EXIT:<done>`
219
220			`</PRE`
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269			`>Board: ARM PID Evaluation Board</TD`
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