Yeah experiemnt with the different govenors. also type cpufreq-set /? for help or man cpufreq-set
On Fri, Mar 14, 2014 at 2:46 PM, Carl-Fredrik Sundström <[email protected]>wrote: > > 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 <[email protected]>wrote: >> >>> cpufreq-info >>> cpufreq-set >>> >>> >>> 2014-03-14 13:31 GMT+04:00 <[email protected]>: >>> >>> 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 [email protected]. >>>> 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 [email protected]. >>> 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 [email protected]. > 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
