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From: Pering, T. <tre...@in...> - 2008-06-15 11:21:47
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This is something you would need to do at the kernel level, since you need to account for context switches. Unless you need high-detailed accuracy, I would consider using something already built into the kernel -- I'm not exactly sure of the mechanisms, but I know they exist (since programs like "ps" can give you a measure of how much CPU a program is consuming). The "time" command will also do much of this -- although maybe not at the granularity that you require.
Cheers,
Trevor
-----Original Message-----
From: pla...@li... [mailto:pla...@li...] On Behalf Of Junaid Jamil
Sent: Saturday, June 14, 2008 6:47 AM
To: pla...@li...; pla...@li...
Subject: [platformx-ps-devel] Fwd: CPU Cycles Consumed by C program on PXA255
Hi,
I have run my C program on a board which have Intel PXA255 ARM
processor. Now I want to know how much CPU cycles it consumed during
its execution. So I think I can do this by capturing the CPU clocks at
start of my program and capture again at the end of my program. The
difference in the cpu clocks is the total CPU cycles consumed by my
program. But how can I do this using some C or inline (ARM)assembly
code?
I seen some of members are discussing this on this forum that they
count the CPU cycles consumed by C programs. But I want you to help me
writing this code. I do not have much idea about ARM Assembly but can
understand easily as I worked in Assembly for x86.
By the way, I am using arm-linux-gcc 3.3.2 toolchain to build
executables that I run on my stargate mote.
Thanks
Junaid
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From: Junaid J. <jun...@gm...> - 2008-06-14 13:47:06
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Hi, I have run my C program on a board which have Intel PXA255 ARM processor. Now I want to know how much CPU cycles it consumed during its execution. So I think I can do this by capturing the CPU clocks at start of my program and capture again at the end of my program. The difference in the cpu clocks is the total CPU cycles consumed by my program. But how can I do this using some C or inline (ARM)assembly code? I seen some of members are discussing this on this forum that they count the CPU cycles consumed by C programs. But I want you to help me writing this code. I do not have much idea about ARM Assembly but can understand easily as I worked in Assembly for x86. By the way, I am using arm-linux-gcc 3.3.2 toolchain to build executables that I run on my stargate mote. Thanks Junaid |
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From: Pering, T. <tre...@in...> - 2005-10-03 14:36:31
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Patrick -- thanks for the email. This mailing list, hoewever, is kinda defunct. Try the "sta...@CE..." mailing list instead, which has many more people on it. Cheers, Trevor -----Original Message----- From: pla...@li... [mailto:pla...@li...] On Behalf Of Patrick MacCraith Sent: Monday, October 03, 2005 3:55 AM To: pla...@li... Subject: [platformx-ps-devel] Stargate Tools Hello, having a slight problem with the stargate platform at the moment. I executed the "df" command and the result shows that the size of the linux partition is 32M. Is this typical? Where are the arm-linux-gcc tools suppose to go, the size of the to compressed tools is about 94M. I would appreciate some information on what I'm doing wrong. Regards Patrick =09 __________________________________=20 Yahoo! Mail - PC Magazine Editors' Choice 2005=20 http://mail.yahoo.com ------------------------------------------------------- This SF.Net email is sponsored by: Power Architecture Resource Center: Free content, downloads, discussions, and more. http://solutions.newsforge.com/ibmarch.tmpl _______________________________________________ platformx-ps-devel mailing list pla...@li... https://lists.sourceforge.net/lists/listinfo/platformx-ps-devel |
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From: Patrick M. <mac...@ya...> - 2005-10-03 10:55:02
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Hello, having a slight problem with the stargate platform at the moment. I executed the "df" command and the result shows that the size of the linux partition is 32M. Is this typical? Where are the arm-linux-gcc tools suppose to go, the size of the to compressed tools is about 94M. I would appreciate some information on what I'm doing wrong. Regards Patrick __________________________________ Yahoo! Mail - PC Magazine Editors' Choice 2005 http://mail.yahoo.com |
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From: <ben...@id...> - 2004-05-25 08:41:09
|
Dear Open Source developer I am doing a research project on "Fun and Software Development" in which I kindly invite you to participate. You will find the online survey under http://fasd.ethz.ch/qsf/. The questionnaire consists of 53 questions and you will need about 15 minutes to complete it. With the FASD project (Fun and Software Development) we want to define the motivational significance of fun when software developers decide to engage in Open Source projects. What is special about our research project is that a similar survey is planned with software developers in commercial firms. This procedure allows the immediate comparison between the involved individuals and the conditions of production of these two development models. Thus we hope to obtain substantial new insights to the phenomenon of Open Source Development. With many thanks for your participation, Benno Luthiger PS: The results of the survey will be published under http://www.isu.unizh.ch/fuehrung/blprojects/FASD/. We have set up the mailing list fa...@we... for this study. Please see http://fasd.ethz.ch/qsf/mailinglist_en.html for registration to this mailing list. _______________________________________________________________________ Benno Luthiger Swiss Federal Institute of Technology Zurich 8092 Zurich Mail: benno.luthiger(at)id.ethz.ch _______________________________________________________________________ |
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From: Pering, T. <tre...@in...> - 2004-05-06 17:27:03
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Remo, http://www.cens.ucla.edu/mailman/listinfo/stargate-users is another list that probably has more of what you're looking for. This list (-ps-devel) is more for the development of the Personal Server side of things -- but as yet there is no real traffic on it -- it's more of a placeholder. As for your specific question -- I haven't really looked at this at all, so I'm not really sure. I would try posting the question to the other list. Trevor =20 -----Original Message----- From: pla...@li... [mailto:pla...@li...] On Behalf Of Remo Strotkamp Sent: Thursday, May 06, 2004 9:15 AM To: pla...@li... Subject: [platformx-ps-devel] stargate: slow ethernet and other email lists??? Hi everybody, just got our stargates and started playing around with them. Neat little machines indeed.=20 This list doesn't seem to have to much activity and was wondering if some of you know about other stargate specific or related e-mail lists... While playing around with them I noticed that the wired ethernet doesn't seem to be very fast (at least not with the original software). Especially inbound connection speed is quite slow (copying into /tmp and hence into the=20 ramdisk, as copying into the flash part is way slower): inbound: scp is around 200kB/s ftp is around 270kB/s both of which are WAY below what I would expect with such a juicy processor outbound is way better with: scp around 600kB/s=20 ftp around 1100kB/s first I thought maybe ramdisk writes are really slow, but a 20mb tar of the modules directory into /tmp went ultrafast, so can't be that.... Which makes me think maybe it's a timing issue in the ethernet driver? Anybody any ideas???? thanks a lot in advance remo ------------------------------------------------------- This SF.Net email is sponsored by Sleepycat Software Learn developer strategies Cisco, Motorola, Ericsson & Lucent use to deliver higher performing products faster, at low TCO. http://www.sleepycat.com/telcomwpreg.php?From=3Dosdnemail3 _______________________________________________ platformx-ps-devel mailing list pla...@li... https://lists.sourceforge.net/lists/listinfo/platformx-ps-devel |
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From: Remo S. <re...@ne...> - 2004-05-06 17:09:10
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Hi everybody, just got our stargates and started playing around with them. Neat little machines indeed. This list doesn't seem to have to much activity and was wondering if some of you know about other stargate specific or related e-mail lists... While playing around with them I noticed that the wired ethernet doesn't seem to be very fast (at least not with the original software). Especially inbound connection speed is quite slow (copying into /tmp and hence into the ramdisk, as copying into the flash part is way slower): inbound: scp is around 200kB/s ftp is around 270kB/s both of which are WAY below what I would expect with such a juicy processor outbound is way better with: scp around 600kB/s ftp around 1100kB/s first I thought maybe ramdisk writes are really slow, but a 20mb tar of the modules directory into /tmp went ultrafast, so can't be that.... Which makes me think maybe it's a timing issue in the ethernet driver? Anybody any ideas???? thanks a lot in advance remo |
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From: Pering, T. <tre...@in...> - 2003-11-20 22:07:23
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Hello everybody -- several people have joined now, so we have a real
mailing list! =20
=20
As starters, I just wanted to let everybody know that the basic Personal
Server platform has been ported to the new Stargate devices. Everything
has not been checked yet, but basic system functionality (i.e., you can
boot and login) is working good!
=20
Trevor
=20
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From: Pering, T. <tre...@in...> - 2003-11-19 17:44:16
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Hello -- just checking this out!
=20
Trevor
=20
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