On 11/26/2013 9:24 AM, Giuseppe Iellamo wrote: > Just this morning I've tried to sample the encoder not using the sysfs > interface but mmaping the device counter to the xenomai task and i > experienced a big performance bump.
Note that in addition to the domain switch overhead, if you ever make a Linux syscall from a xenomai task, you have lost any real-time performance guarantees. The Linux kernel can hold your task off for as long as it wants, potentially hundreds of milliseconds or more. -- Charles Steinkuehler [email protected] -- 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.
