On Tue, 6 Sep 2005, Stefan Frings wrote: > Hi all, > I forgot to write my question in english, therefore I'm asking the > same again, now in english: > > When I access my external USB harddisk (for example copy a huge file > to /dev/null), the CPU load indicator of KDE (system monitor) goes > to nearly 100%. But the system is not slow during that time. Other > programs that do not access the same disk at the same time run still > with perfect performance. > > My CPU is an AMD Athlon mobile version. During this high load > period, the CPU clock remins at the lowest possible value (800Mhz) > and does not change to the highest possible value (1800Mhz) as it > normally does when the CPU is very busy. > > When I switch it manually to 1800Mhz and disable the "on demand" > control, then the program that accesses the external harddisk runs > with exactly the same performance. This lets me assume that the CPU > is only very low loaded during external harddisk access but the > system monitor of KDE shows me exactly the opposite. > > The external disk can transfer about 15-20MB per second, I think > this is good. I thinks that my system runs fine and has no problem. > Only the CPU load indicator looks strange. > > For comparision: Windows show less than 15% CPU load when I do the > same. > > Is there any explanation for that behaviour? Is this normal?
I don't know the answer. Have you tried looking at other indicators of the CPU load, such as "top"? You could try asking the people who maintain the KDE system monitor program. Alan Stern ------------------------------------------------------- SF.Net email is Sponsored by the Better Software Conference & EXPO September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
