On Dec 6 2012 7:49 AM, Kent A. Reed wrote: > On 12/6/2012 9:15 AM, EBo wrote: >> <...> >> From that I can see that >> there is a small group of outliers at ±20us. From this information >> we >> might be able to look at the traces to see what is happening around >> those events and cleaning up some of the latency. I hear one of the >> previous posters about "my latency is better than yours" thing, but >> these plots (and possible statistical analysis) tells me how good my >> setup is and points me where to look for possible other latency >> gains. > > Those outliers were always there of course and could be seen with a > little wasted time staring at latency-test and latencyplot, but the > histogram approach demonstrates the value of pictures.
Is the ±20us always happening during the startup? If so, we can probably work around this. If it is periodic, or happens much later, then it points to a real issue. EBo -- ------------------------------------------------------------------------------ LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial Remotely access PCs and mobile devices and provide instant support Improve your efficiency, and focus on delivering more value-add services Discover what IT Professionals Know. Rescue delivers http://p.sf.net/sfu/logmein_12329d2d _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
