I would like to test my application at different lower CPU Frequencies to make sure that it would work on a custom board with a lower specced sitara processor. Could I lock the CPU at max 600 or 720 MHz ?
On Friday, March 14, 2014 4:34:30 PM UTC-5, William Hermans wrote: > > Honestly unless you have a specific reason I think the default ( ondemand > ) governor is probably the best. While idle for me the CPU has always been > 300Mhz, and with a heavy load ( over 60% load ) the CPU goes up to 1Ghz. > > > > > On Fri, Mar 14, 2014 at 4:14 AM, Maxim Podbereznyy > <lisa...@gmail.com<javascript:> > > wrote: > >> cpufreq-info >> cpufreq-set >> >> >> 2014-03-14 13:31 GMT+04:00 <cwrse...@gmail.com <javascript:>>: >> >> I've been looking at the speed of my BBB and not really understanding >>> what's going on. The files under /sys/devices/system/cpu/cpu0/cpufreq >>> show that the performance governor is in use, but the speed is a constant >>> 550,000 whatever the load. The "scaling_setspeed <unsupported>" entry >>> probably reflects this; does anyone know how I set up a kernel to handle >>> the BBB's CPU speed control? >>> >>> (This is on debian, btw) >>> >>> Thanks - Will >>> >>> tuppence ~ # cpuspeed.sh >>> affected_cpus 0 >>> cpuinfo_cur_freq 550000 >>> cpuinfo_max_freq 1000000 >>> cpuinfo_min_freq 300000 >>> cpuinfo_transition_latency 300000 >>> related_cpus 0 >>> scaling_available_frequencies 300000 600000 800000 1000000 >>> scaling_available_governors conservative ondemand userspace powersave >>> performance >>> scaling_cur_freq 550000 >>> scaling_driver generic_cpu0 >>> scaling_governor performance >>> scaling_max_freq 1000000 >>> scaling_min_freq 300000 >>> scaling_setspeed <unsupported> >>> tuppence ~ # >>> >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to beagleboard...@googlegroups.com <javascript:>. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> LinkedIn - http://www.linkedin.com/in/maximpodbereznyy >> Company - http://www.linkedin.com/company/mentorel >> Facebook - https://www.facebook.com/mentorel.company >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beagleboard...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
