Hi Sascha, we are outside of my technical abilities but I tried to translate what you said and put it on the wiki. If anyone would like to expand on this please do!
http://wiki.sugarlabs.org/go/Sugar_on_a_Stick/Hardware Thanks On Tue, Jun 9, 2009 at 2:52 PM, Sascha Silbe <si...@sugarlabs.org> wrote: > On Mon, Jun 08, 2009 at 08:10:36AM -0400, Caroline Meeks wrote: > > Can you give him instructions on how to gather data if he is going to be >> testing on school computers? >> > > Measuring: > ---------- > > Simple stuff (using a watch to determine time to certain events / > "milestones", e.g. activities ring showing up) usually is all you want to do > for more than a single or at most a few computers. With some work it should > be automatable. > > For advanced usage I can (at least for now) only recommend to use "dstat > -at --output dstat.log", always in combination with taking notes of when > which events (activity started up etc.) happened (as dstat doesn't know > about those and thus doesn't log them). > If run in Terminal, you can use it to analyse activities. > To analyse system startup you need to talk to Sebastian in order to find a > way to let dstat run as early as possible. > > As analysing dstat output is quite some work I recommend to do this only as > a second step and only for a few computers. > > > Classification: > --------------- > > Performance usually is dependant mostly on the following factors. Using my > desktop as an example for the output of the given commands: > > - processor ('cat /proc/cpuinfo') > - generation / connection to mainboard (Socket AM2+) > - can be looked up at Wikipedia > - cache size ("cache size: 512 KB") > - model ("model name: AMD Athlon(tm) X2 Dual Core Processor BE-2300") > - frequency ("cpu MHz: 1000.000") > - on modern and mobile CPUs, the value in /proc/cpuinfo ("cpu MHz") > can be the _current_ value instead of the maximum > - memory size and memory bus speed ('free' for size) > - "Mem: 3544060" (total, is in kB) > - on-board graphics might take up some of the memory (e.g. 512MB in my > case - > the system has 4GB) > - hard disk speed ('hdparm -T /dev/hda /dev/sda') > - "Timing buffered disk reads: 226 MB in 3.01 seconds = 75.02 MB/sec" > > > > HTH. > > CU Sascha > > -- > http://sascha.silbe.org/ > http://www.infra-silbe.de/ > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.9 (GNU/Linux) > > iQEcBAEBAgAGBQJKLq94AAoJELpz82VMF3DayaYH+gI81PvDn5FKGkNgD7bRJMPt > gDsuLl1EXDkP7YFWotv+LRGPPmILRZIl/4gliI6wqv1WkxyLOvkwmvfdsQHbjmTf > 51BNpOqVgFvhpp1DZuCH3cghxSrctXMOyhQlB6bD+O4odwafGmUUqAPkWCosryfw > U8G0h0j8xJVG4GxZjMjYtvYzIAWERGW3GAiTrlwZYiScIF7VdMk3XjTCp0A1nfVW > sfMgW8Lrg1ahK5fxWdPtYRiv4nmquMesYe+QE80L9M7r+RVW/ki4NSp9oH7csjPZ > wRqQ7hKiuc1nn4xKPKdj2drxOE7SHpdiODZnMVbkLwoU1pcN0q6LLiqm2xf+hBs= > =jWPY > -----END PGP SIGNATURE----- > > -- Caroline Meeks Solution Grove carol...@solutiongrove.com 617-500-3488 - Office 505-213-3268 - Fax
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