thanks for the answer Jeff,, now, how do we calculate base_period and servo period?
Jeff Epler <jep...@...> writes: > > The latency-test runs the following realtime component: > http://git.linuxcnc.org/gitweb?p=emc2.git;a=blob;f=src/hal/components/timedelta.comp > > Each time a realtime thread runs, the time interval del=(now-last) is > computed. > The minimum and maximum del ever seen are computed in min_ and max_. > The jitter is the bigger of max_-period or period-min_. > > period is the promised realtime interval in nanoseconds, and > rtapi_get_time() is the measured wall time also in nanoseconds. > > The timedelta component also measures long term error in 'err' and > 'avg_err'. These values are not shown in the latency-test GUI but can > be used to determine if there are long-term differences between expected > and actual intervals. > > Jeff ------------------------------------------------------------------------------ ThinkGeek and WIRED's GeekDad team up for the Ultimate GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the lucky parental unit. See the prize list and enter to win: http://p.sf.net/sfu/thinkgeek-promo _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
