OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [rt-arm-assabet.html] - Blame information for rev 375

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 28 unneback 
<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
2 
<!-- This material may be distributed only subject to the terms      -->
3 
<!-- and conditions set forth in the Open Publication License, v1.0  -->
4 
<!-- or later (the latest version is presently available at          -->
5 
<!-- http://www.opencontent.org/openpub/).                           -->
6 
<!-- Distribution of the work or derivative of the work in any       -->
7 
<!-- standard (paper) book form is prohibited unless prior           -->
8 
<!-- permission is obtained from the copyright holder.               -->
9 
<HTML
10 
><HEAD
11 
><TITLE
12 
>Board: Intel SA1110 (Assabet)</TITLE
13 
><meta name="MSSmartTagsPreventParsing" content="TRUE">
14 
<META
15 
NAME="GENERATOR"
16 
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
17 
"><LINK
18 
REL="HOME"
19 
TITLE="eCos User Guide"
20 
HREF="ecos-user-guide.html"><LINK
21 
REL="UP"
22 
TITLE="Real-time characterization"
23 
HREF="real-time-characterization.html"><LINK
24 
REL="PREVIOUS"
25 
TITLE="Board: NEC VR4373"
26 
HREF="rt-vr4300-vrc4373.html"><LINK
27 
REL="NEXT"
28 
TITLE="Board: Intel SA1100 (Brutus)"
29 
HREF="rt-arm-brutus.html"></HEAD
30 
><BODY
31 
CLASS="SECT1"
32 
BGCOLOR="#FFFFFF"
33 
TEXT="#000000"
34 
LINK="#0000FF"
35 
VLINK="#840084"
36 
ALINK="#0000FF"
37 
><DIV
38 
CLASS="NAVHEADER"
39 
><TABLE
40 
SUMMARY="Header navigation table"
41 
WIDTH="100%"
42 
BORDER="0"
43 
CELLPADDING="0"
44 
CELLSPACING="0"
45 
><TR
46 
><TH
47 
COLSPAN="3"
48 
ALIGN="center"
49 
>eCos User Guide</TH
50 
></TR
51 
><TR
52 
><TD
53 
WIDTH="10%"
54 
ALIGN="left"
55 
VALIGN="bottom"
56 
><A
57 
HREF="rt-vr4300-vrc4373.html"
58 
ACCESSKEY="P"
59 
>Prev</A
60 
></TD
61 
><TD
62 
WIDTH="80%"
63 
ALIGN="center"
64 
VALIGN="bottom"
65 
>Appendix B. Real-time characterization</TD
66 
><TD
67 
WIDTH="10%"
68 
ALIGN="right"
69 
VALIGN="bottom"
70 
><A
71 
HREF="rt-arm-brutus.html"
72 
ACCESSKEY="N"
73 
>Next</A
74 
></TD
75 
></TR
76 
></TABLE
77 
><HR
78 
ALIGN="LEFT"
79 
WIDTH="100%"></DIV
80 
><DIV
81 
CLASS="SECT1"
82 
><H1
83 
CLASS="SECT1"
84 
><A
85 
NAME="RT-ARM-ASSABET">Board: Intel SA1110 (Assabet)</H1
86 
><TABLE
87 
BORDER="5"
88 
BGCOLOR="#E0E0F0"
89 
WIDTH="70%"
90 
><TR
91 
><TD
92 
><PRE
93 
CLASS="LITERALLAYOUT"
94 
>Board: Intel SA1110 (Assabet)
95 
 
96 
CPU :  StrongARM 221.2 MHz
97 
 
98 
 
99 
 
100 
Microseconds for one run through Dhrystone:     3.3
101 
Dhrystones per Second:                        306748.5
102 
VAX MIPS rating =    174.586
103 
 
104 
Startup, main stack             : stack used   420 size  2400
105 
Startup              :  Interrupt stack used   136 size  4096
106 
Startup              : Idlethread stack used    84 size  2048
107 
 
108 
eCos Kernel Timings
109 
Notes: all times are in microseconds (.000001) unless otherwise stated
110 
 
111 
Reading the hardware clock takes 0 `ticks' overhead
112 
... this value will be factored out of all other measurements
113 
Clock interrupt took    3.20 microseconds (11 raw clock ticks)
114 
 
115 
Testing parameters:
116 
   Clock samples:            32
117 
   Threads:                  64
118 
   Thread switches:         128
119 
   Mutexes:                  32
120 
   Mailboxes:                32
121 
   Semaphores:               32
122 
   Scheduler operations:    128
123 
   Counters:                 32
124 
   Alarms:                   32
125 
 
126 
 
127 
                                 Confidence
128 
     Ave     Min     Max     Var  Ave  Min  Function
129 
  ======  ======  ======  ====== ========== ========
130 
    5.98    4.88   14.38    0.70   57%  35% Create thread
131 
    0.86    0.81    1.90    0.08   87%  87% Yield thread [all suspended]
132 
    1.05    0.81    3.53    0.19   46%  39% Suspend [suspended] thread
133 
    1.07    0.81    3.80    0.18   48%  35% Resume thread
134 
    1.36    1.09    5.97    0.22   45%  39% Set priority
135 
    0.73    0.54    1.90    0.19   85%  50% Get priority
136 
    2.93    2.44   13.56    0.39   79%  70% Kill [suspended] thread
137 
    0.89    0.81    4.34    0.14   89%  89% Yield [no other] thread
138 
    1.63    1.36    4.61    0.17   57%  29% Resume [suspended low prio] thread
139 
    1.03    0.81    3.53    0.19   46%  42% Resume [runnable low prio] thread
140 
    1.74    1.36    6.51    0.22   87%   6% Suspend [runnable] thread
141 
    0.93    0.81    4.61    0.18   98%  78% Yield [only low prio] thread
142 
    1.06    0.81    3.26    0.19   42%  39% Suspend [runnable-&#62;not runnable]
143 
    2.56    1.90   13.02    0.41   87%  34% Kill [runnable] thread
144 
    2.02    1.63    7.05    0.22   92%   3% Destroy [dead] thread
145 
    3.09    2.44   15.19    0.51   78%  46% Destroy [runnable] thread
146 
    6.77    5.43   13.02    0.59   75%  17% Resume [high priority] thread
147 
    1.81    1.63    7.87    0.18   49%  49% Thread switch
148 
 
149 
    0.25    0.00    1.36    0.05   89%  10% Scheduler lock
150 
    0.51    0.27    1.36    0.06   85%  13% Scheduler unlock [0 threads]
151 
    0.51    0.27    1.09    0.06   85%  13% Scheduler unlock [1 suspended]
152 
    0.51    0.27    1.09    0.07   85%  14% Scheduler unlock [many suspended]
153 
    0.51    0.27    1.09    0.06   85%  13% Scheduler unlock [many low prio]
154 
 
155 
    0.52    0.27    2.17    0.15   62%  31% Init mutex
156 
    0.97    0.54    4.34    0.28   84%  65% Lock [unlocked] mutex
157 
    1.05    0.81    5.15    0.28   96%  96% Unlock [locked] mutex
158 
    0.86    0.54    3.26    0.24   65%  31% Trylock [unlocked] mutex
159 
    0.79    0.54    3.53    0.23   43%  46% Trylock [locked] mutex
160 
    0.33    0.27    1.63    0.11   90%  90% Destroy mutex
161 
    4.16    3.80    8.95    0.30   75%  96% Unlock/Lock mutex
162 
 
163 
    0.70    0.54    2.98    0.21   96%  65% Create mbox
164 
    0.59    0.27    1.63    0.14   75%   9% Peek [empty] mbox
165 
    1.33    1.09    5.70    0.31   96%  93% Put [first] mbox
166 
    0.61    0.27    1.63    0.13   81%   3% Peek [1 msg] mbox
167 
    1.35    1.09    5.43    0.31   96%  87% Put [second] mbox
168 
    0.58    0.27    1.36    0.11   78%   6% Peek [2 msgs] mbox
169 
    1.38    1.09    4.88    0.25   59%  37% Get [first] mbox
170 
    1.40    1.09    5.15    0.26   62%  34% Get [second] mbox
171 
    1.27    0.81    4.88    0.28   90%  65% Tryput [first] mbox
172 
    1.34    0.81    4.61    0.22   59%   6% Peek item [non-empty] mbox
173 
    1.47    1.09    5.15    0.27   84%  12% Tryget [non-empty] mbox
174 
    1.12    0.81    4.34    0.23   59%  31% Peek item [empty] mbox
175 
    1.14    0.81    4.07    0.24   71%  25% Tryget [empty] mbox
176 
    0.59    0.27    1.36    0.12   78%   6% Waiting to get mbox
177 
    0.59    0.27    1.36    0.12   78%   6% Waiting to put mbox
178 
    1.28    0.81    5.43    0.32   87%  78% Delete mbox
179 
    2.64    2.17   10.31    0.48   96%  96% Put/Get mbox
180 
 
181 
    0.47    0.27    2.17    0.19   46%  46% Init semaphore
182 
    0.77    0.54    3.80    0.26   90%  56% Post [0] semaphore
183 
    0.90    0.54    4.07    0.26   75%  21% Wait [1] semaphore
184 
    0.85    0.54    3.26    0.21   56%  28% Trywait [0] semaphore
185 
    0.69    0.54    2.17    0.18   96%  62% Trywait [1] semaphore
186 
    0.44    0.27    2.17    0.19   96%  56% Peek semaphore
187 
    0.38    0.27    1.90    0.17   96%  75% Destroy semaphore
188 
    2.74    2.44    9.49    0.42   96%  96% Post/Wait semaphore
189 
 
190 
    0.43    0.27    1.90    0.18   96%  56% Create counter
191 
    0.49    0.00    2.17    0.18   56%   3% Get counter value
192 
    0.33    0.00    1.63    0.13   78%   6% Set counter value
193 
    1.03    0.81    2.44    0.22   84%  50% Tick counter
194 
    0.42    0.27    1.90    0.20   90%  65% Delete counter
195 
 
196 
    0.70    0.54    2.44    0.20   93%  62% Create alarm
197 
    1.65    1.36    6.78    0.40   96%  81% Initialize alarm
198 
    0.75    0.54    1.63    0.18   43%  43% Disable alarm
199 
    1.75    1.36    7.05    0.38   65%  81% Enable alarm
200 
    0.81    0.54    2.44    0.15   62%  28% Delete alarm
201 
    1.01    0.81    2.17    0.16   56%  40% Tick counter [1 alarm]
202 
    4.19    4.07    5.43    0.16   96%  68% Tick counter [many alarms]
203 
    1.48    1.36    3.80    0.20   96%  78% Tick &#38; fire counter [1 alarm]
204 
   20.23   20.07   22.52    0.21   96%  65% Tick &#38; fire counters [&#62;1 together]
205 
    4.70    4.61    6.78    0.16   87%  87% Tick &#38; fire counters [&#62;1 separately]
206 
    2.81    2.71   14.38    0.20   98%  98% Alarm latency [0 threads]
207 
    3.19    2.71   13.56    0.38   73%  59% Alarm latency [2 threads]
208 
    9.71    7.87   18.17    1.25   59%  53% Alarm latency [many threads]
209 
    5.77    5.43   45.57    0.68   97%  97% Alarm -&#62; thread resume latency
210 
 
211 
    2.38    0.81    9.49    0.00            Clock/interrupt latency
212 
 
213 
    2.02    1.09    7.32    0.00            Clock DSR latency
214 
 
215 
   11       0     316  (main stack:   764)  Thread stack used (1120 total)
216 
All done, main stack            : stack used   764 size  2400
217 
All done             :  Interrupt stack used   287 size  4096
218 
All done             : Idlethread stack used   272 size  2048
219 
 
220 
Timing complete - 30220 ms total
221 
        </PRE
222 
></TD
223 
></TR
224 
></TABLE
225 
></DIV
226 
><DIV
227 
CLASS="NAVFOOTER"
228 
><HR
229 
ALIGN="LEFT"
230 
WIDTH="100%"><TABLE
231 
SUMMARY="Footer navigation table"
232 
WIDTH="100%"
233 
BORDER="0"
234 
CELLPADDING="0"
235 
CELLSPACING="0"
236 
><TR
237 
><TD
238 
WIDTH="33%"
239 
ALIGN="left"
240 
VALIGN="top"
241 
><A
242 
HREF="rt-vr4300-vrc4373.html"
243 
ACCESSKEY="P"
244 
>Prev</A
245 
></TD
246 
><TD
247 
WIDTH="34%"
248 
ALIGN="center"
249 
VALIGN="top"
250 
><A
251 
HREF="ecos-user-guide.html"
252 
ACCESSKEY="H"
253 
>Home</A
254 
></TD
255 
><TD
256 
WIDTH="33%"
257 
ALIGN="right"
258 
VALIGN="top"
259 
><A
260 
HREF="rt-arm-brutus.html"
261 
ACCESSKEY="N"
262 
>Next</A
263 
></TD
264 
></TR
265 
><TR
266 
><TD
267 
WIDTH="33%"
268 
ALIGN="left"
269 
VALIGN="top"
270 
>Board: NEC VR4373</TD
271 
><TD
272 
WIDTH="34%"
273 
ALIGN="center"
274 
VALIGN="top"
275 
><A
276 
HREF="real-time-characterization.html"
277 
ACCESSKEY="U"
278 
>Up</A
279 
></TD
280 
><TD
281 
WIDTH="33%"
282 
ALIGN="right"
283 
VALIGN="top"
284 
>Board: Intel SA1100 (Brutus)</TD
285 
></TR
286 
></TABLE
287 
></DIV
288 
></BODY
289 
></HTML
290 
>

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.