-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 9/13/2012 11:30 PM, Kent A. Reed wrote: > "ERROR: Missed scheduling deadline for task 0 [nnnn times] "Now is > xxxxx.xxx, deadline is xxxxx.xxx "Absolute number of pagefaults in > realtime context: 1030"
Does the pagecount number increase, or does it stay the same? It is normal for it to be non-zero, as a result of the initial faults to lock memory for the rt threads. If it stays the same, you've probably got a SMI interrupt or unfriendly hardware driver stealing resources. Make sure all power management and CPU power saving features are disabled in your BIOS. Alternately, it can sometimes help to keep the CPU(s) busy to avoid triggering any power management state changes. I found a simple: while : do ; echo blah > /dev/null ; done ...run for each available CPU improved my latency timings significantly on a system prior to disabling the CPU C states in BIOS. - -- Charles Steinkuehler char...@steinkuehler.net -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAlBTFroACgkQLywbqEHdNFzEdwCfaYI4wQrbvqkOi5ODV6+JeS37 2xcAmwan/7dZE2JIZ47FTXJSXF31J4mM =NBqc -----END PGP SIGNATURE----- ------------------------------------------------------------------------------ Got visibility? Most devs has no idea what their production app looks like. Find out how fast your code is with AppDynamics Lite. http://ad.doubleclick.net/clk;262219671;13503038;y? http://info.appdynamics.com/FreeJavaPerformanceDownload.html _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
