Thank you. Regarding using gpio and graphic oscilloscope we could measure the clock cycles outside, but we need to use the clock cycles inside the program in order to do some calculation in the program.
On Tuesday, February 25, 2014 11:36:29 AM UTC+9, liyaoshi wrote: > > Just As I know ,Arm Cortex a8 dont have the tsc register as x86 > > Almost hrtimer in arm and other soc will use a PIT as source . > > If you want to measure the code cost time. use gpio and graphic > oscilloscope > > > 2014-02-24 22:26 GMT+08:00 Paddu <[email protected] <javascript:>>: > >> Hi, >> >> We need some advice in measuring Beaglebone CPU(Cortex-A8) clock cycles. >> Is there any way to measure the CPU cycles and use it inside the program? >> I have heard about "ccnt" register but don't know how exactly could we >> use that in the program. >> Please let me know if there is a reference or pointers on how to >> implement the code. >> >> Regards. >> paddu >> >> -- >> 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] <javascript:>. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- 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/groups/opt_out.
