David: I have a AMD K6 500 scanning and trimming lumber in a sawmill. It runs 1MS time slice for the Linux scheduler (HZ == 1000) and is running a rtl V2 process that runs at 1000HZ and a GUI (Graphical User Interface) written using QT. I think your problem has to be something other than hardware.
Best regards, Wayne David Hamilton wrote: > > I'm running RTLinux 3.1 on a PC with an AMD K6 500Mhz processor (RedHat7.1). > > I seem to be only able to run a real-time loop at a maximum frequency of > 200Hz. > Trying to set a lower period in pthread_make_period... or a shorter sleep in > nanosleep has no effect beyond 200Hz (5msec)! > > I've read in other emails about the #define HZ 100 in the linux param.h > file, but assumed that only effected context switching within the user > space. > I've also read about people reaching rates in excess of 1KHz (I'm looking > for 1KHz). > > Can anyone tell me what I have to do to get these higher frequencies, or is > it a limitation of my hardware. > David > -- [rtl] --- > To unsubscribe: > echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR > echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] > -- > For more information on Real-Time Linux see: > http://www.rtlinux.org/ -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] -- For more information on Real-Time Linux see: http://www.rtlinux.org/
