OpenCores
URL https://opencores.org/ocsvn/or1k_old/or1k_old/trunk

Subversion Repositories or1k_old

[/] [or1k_old/] [trunk/] [ecos-2.0/] [doc/] [html/] [user-guide/] [rt-tx49-ref4955.html] - Blame information for rev 1782

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 1254 phoenix 
<!-- 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: Toshiba REF 4955</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: Toshiba JMR3904 Evaluation Board"
26 
HREF="rt-tx39-jmr3904.html"><LINK
27 
REL="NEXT"
28 
TITLE="Board: Matsushita STDEVAL1 Board"
29 
HREF="rt-mn10300-stdeval1.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-tx39-jmr3904.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-mn10300-stdeval1.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-TX49-REF4955">Board: Toshiba REF 4955</H1
86 
><TABLE
87 
BORDER="5"
88 
BGCOLOR="#E0E0F0"
89 
WIDTH="70%"
90 
><TR
91 
><TD
92 
><PRE
93 
CLASS="LITERALLAYOUT"
94 
>&#13;Board: Toshiba REF 4955
95 
 
96 
CPU  : Toshiba TX4955 66MHz
97 
 
98 
Startup, main stack             : stack used   960 size  2936
99 
Startup              :  Interrupt stack used   168 size  4096
100 
Startup              : Idlethread stack used   372 size  2048
101 
 
102 
eCos Kernel Timings
103 
Notes: all times are in microseconds (.000001) unless otherwise stated
104 
 
105 
Reading the hardware clock takes 3 `ticks' overhead
106 
... this value will be factored out of all other measurements
107 
Clock interrupt took    4.00 microseconds (264 raw clock ticks)
108 
 
109 
Testing parameters:
110 
   Clock samples:            32
111 
   Threads:                  64
112 
   Thread switches:         128
113 
   Mutexes:                  32
114 
   Mailboxes:                32
115 
   Semaphores:               32
116 
   Scheduler operations:    128
117 
   Counters:                 32
118 
   Alarms:                   32
119 
 
120 
 
121 
                                 Confidence
122 
     Ave     Min     Max     Var  Ave  Min  Function
123 
  ======  ======  ======  ====== ========== ========
124 
   11.21    9.58   14.11    0.95   48%  34% Create thread
125 
    0.66    0.65    1.29    0.02   98%  98% Yield thread [all suspended]
126 
    0.63    0.53    3.06    0.17   82%  82% Suspend [suspended] thread
127 
    0.54    0.53    1.06    0.02   98%  98% Resume thread
128 
    0.78    0.74    1.39    0.05   93%  93% Set priority
129 
    0.05    0.05    0.36    0.01   98%  98% Get priority
130 
    2.06    1.89    6.65    0.25   95%  79% Kill [suspended] thread
131 
    0.65    0.65    0.68    0.00   98%  98% Yield [no other] thread
132 
    1.15    1.02    3.03    0.20   81%  81% Resume [suspended low prio] thread
133 
    0.54    0.52    1.18    0.03   96%  96% Resume [runnable low prio] thread
134 
    0.94    0.88    1.27    0.01   95%   1% Suspend [runnable] thread
135 
    0.65    0.65    0.68    0.00   98%  98% Yield [only low prio] thread
136 
    0.54    0.53    0.86    0.01   98%  96% Suspend [runnable-&#62;not runnable]
137 
    1.97    1.89    2.98    0.12   84%  84% Kill [runnable] thread
138 
    1.03    0.92    4.94    0.17   89%  89% Destroy [dead] thread
139 
    2.55    2.33    4.38    0.24   89%  70% Destroy [runnable] thread
140 
    5.62    4.11   13.23    0.99   65%  40% Resume [high priority] thread
141 
    1.84    1.83    2.79    0.02   98%  98% Thread switch
142 
 
143 
    0.12    0.02    0.65    0.15   74%  74% Scheduler lock
144 
    0.35    0.35    0.35    0.00  100% 100% Scheduler unlock [0 threads]
145 
    0.35    0.35    0.35    0.00  100% 100% Scheduler unlock [1 suspended]
146 
    0.43    0.35    1.17    0.13   78%  78% Scheduler unlock [many suspended]
147 
    0.45    0.35    1.17    0.15   75%  75% Scheduler unlock [many low prio]
148 
 
149 
    0.46    0.15    3.38    0.30   62%  50% Init mutex
150 
    0.73    0.64    3.27    0.16   96%  96% Lock [unlocked] mutex
151 
    0.77    0.65    4.50    0.23   96%  96% Unlock [locked] mutex
152 
    0.58    0.55    1.42    0.05   96%  96% Trylock [unlocked] mutex
153 
    0.51    0.50    0.83    0.02   96%  96% Trylock [locked] mutex
154 
    0.12    0.11    0.41    0.02   96%  96% Destroy mutex
155 
    4.72    4.70    5.58    0.05   96%  96% Unlock/Lock mutex
156 
 
157 
    1.01    0.67    3.48    0.40   71%  71% Create mbox
158 
    0.02    0.00    0.53    0.03   96%  96% Peek [empty] mbox
159 
    0.89    0.68    4.20    0.29   96%  71% Put [first] mbox
160 
    0.02    0.00    0.33    0.02   96%  96% Peek [1 msg] mbox
161 
    0.69    0.68    0.76    0.01   50%  46% Put [second] mbox
162 
    0.02    0.00    0.30    0.02   96%  96% Peek [2 msgs] mbox
163 
    0.81    0.71    3.83    0.19   96%  96% Get [first] mbox
164 
    0.72    0.71    1.02    0.02   96%  96% Get [second] mbox
165 
    0.81    0.65    2.74    0.22   96%  71% Tryput [first] mbox
166 
    0.67    0.62    2.27    0.10   96%  96% Peek item [non-empty] mbox
167 
    0.77    0.71    2.41    0.10   96%  96% Tryget [non-empty] mbox
168 
    0.59    0.58    0.88    0.02   96%  96% Peek item [empty] mbox
169 
    0.62    0.62    0.67    0.00   96%  96% Tryget [empty] mbox
170 
    0.03    0.02    0.32    0.02   96%  96% Waiting to get mbox
171 
    0.02    0.02    0.06    0.01   50%  46% Waiting to put mbox
172 
    0.75    0.65    3.59    0.18   96%  96% Delete mbox
173 
    2.80    2.77    3.59    0.05   96%  96% Put/Get mbox
174 
 
175 
    0.37    0.18    0.88    0.28   71%  71% Init semaphore
176 
    0.48    0.47    0.80    0.02   96%  96% Post [0] semaphore
177 
    0.60    0.59    0.67    0.01   50%  46% Wait [1] semaphore
178 
    0.53    0.50    1.41    0.06   96%  96% Trywait [0] semaphore
179 
    0.51    0.50    0.71    0.01   96%  50% Trywait [1] semaphore
180 
    0.09    0.09    0.15    0.00   96%  96% Peek semaphore
181 
    0.12    0.11    0.41    0.02   96%  96% Destroy semaphore
182 
    3.05    3.05    3.05    0.00  100% 100% Post/Wait semaphore
183 
 
184 
    0.57    0.17    2.76    0.24   59%  25% Create counter
185 
    0.06    0.05    0.58    0.03   96%  96% Get counter value
186 
    0.06    0.03    0.64    0.04   96%  96% Set counter value
187 
    0.73    0.71    1.02    0.02   96%  96% Tick counter
188 
    0.12    0.11    0.15    0.01   50%  46% Delete counter
189 
 
190 
    0.89    0.64    3.15    0.34   84%  71% Create alarm
191 
    1.00    0.95    2.41    0.09   96%  96% Initialize alarm
192 
    0.09    0.06    0.68    0.04   96%  96% Disable alarm
193 
    1.05    1.00    2.48    0.09   96%  96% Enable alarm
194 
    0.18    0.17    0.50    0.02   96%  96% Delete alarm
195 
    0.90    0.89    1.11    0.01   96%  96% Tick counter [1 alarm]
196 
    5.60    5.59    5.88    0.02   96%  96% Tick counter [many alarms]
197 
    1.53    1.52    2.11    0.04   96%  96% Tick &#38; fire counter [1 alarm]
198 
   25.48   25.47   25.76    0.02   96%  96% Tick &#38; fire counters [&#62;1 together]
199 
    6.22    6.21    6.44    0.01   96%  96% Tick &#38; fire counters [&#62;1 separately]
200 
    2.59    2.56    6.17    0.07   98%  98% Alarm latency [0 threads]
201 
    4.06    3.95    6.24    0.08   78%  57% Alarm latency [2 threads]
202 
    5.03    2.56    9.03    0.89   59%  10% Alarm latency [many threads]
203 
    5.68    5.59   15.45    0.15   99%  99% Alarm -&#62; thread resume latency
204 
 
205 
    2.52    1.41    8.12    0.00            Clock/interrupt latency
206 
 
207 
    2.05    1.17    6.00    0.00            Clock DSR latency
208 
 
209 
   34       0    1072  (main stack:  1320)  Thread stack used (1912 total)
210 
All done, main stack            : stack used  1320 size  2936
211 
All done             :  Interrupt stack used   136 size  4096
212 
All done             : Idlethread stack used   996 size  2048
213 
 
214 
Timing complete - 30360 ms total
215 
 
216 
PASS:&lt;Basic timing OK&#62;
217 
EXIT:&lt;done&#62;
218 
 
219 
        </PRE
220 
></TD
221 
></TR
222 
></TABLE
223 
></DIV
224 
><DIV
225 
CLASS="NAVFOOTER"
226 
><HR
227 
ALIGN="LEFT"
228 
WIDTH="100%"><TABLE
229 
SUMMARY="Footer navigation table"
230 
WIDTH="100%"
231 
BORDER="0"
232 
CELLPADDING="0"
233 
CELLSPACING="0"
234 
><TR
235 
><TD
236 
WIDTH="33%"
237 
ALIGN="left"
238 
VALIGN="top"
239 
><A
240 
HREF="rt-tx39-jmr3904.html"
241 
ACCESSKEY="P"
242 
>Prev</A
243 
></TD
244 
><TD
245 
WIDTH="34%"
246 
ALIGN="center"
247 
VALIGN="top"
248 
><A
249 
HREF="ecos-user-guide.html"
250 
ACCESSKEY="H"
251 
>Home</A
252 
></TD
253 
><TD
254 
WIDTH="33%"
255 
ALIGN="right"
256 
VALIGN="top"
257 
><A
258 
HREF="rt-mn10300-stdeval1.html"
259 
ACCESSKEY="N"
260 
>Next</A
261 
></TD
262 
></TR
263 
><TR
264 
><TD
265 
WIDTH="33%"
266 
ALIGN="left"
267 
VALIGN="top"
268 
>Board: Toshiba JMR3904 Evaluation Board</TD
269 
><TD
270 
WIDTH="34%"
271 
ALIGN="center"
272 
VALIGN="top"
273 
><A
274 
HREF="real-time-characterization.html"
275 
ACCESSKEY="U"
276 
>Up</A
277 
></TD
278 
><TD
279 
WIDTH="33%"
280 
ALIGN="right"
281 
VALIGN="top"
282 
>Board: Matsushita STDEVAL1 Board</TD
283 
></TR
284 
></TABLE
285 
></DIV
286 
></BODY
287 
></HTML
288 
>

powered by: WebSVN 2.1.0

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