On Fri, 27 Feb 2015, Andreas Pettersson wrote: > Date: Fri, 27 Feb 2015 17:20:53 +0100 > From: Andreas Pettersson <andr...@roughedge.se> > Reply-To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > Subject: Re: [Emc-users] Latency issues; machinekit Kernel > > But stock wheezy is 64bit and with the RT_PREEMPT kernel, you managed to > compile linuxcnc with that? All i get when trying that is "No realtime > kernel present" error.. :
The standard LinuxCNC wheezy ISO uses a RTAI kernel (and you can test latency by just booting from a USB stick, no need to install) > > // A > > Peter C. Wallace skrev den 2015-02-27 17:15: >> On Fri, 27 Feb 2015, Andreas Pettersson wrote: >> >>> Date: Fri, 27 Feb 2015 17:09:10 +0100 >>> From: Andreas Pettersson <andr...@roughedge.se> >>> Reply-To: "Enhanced Machine Controller (EMC)" >>> <emc-users@lists.sourceforge.net> >>> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> >>> Subject: Re: [Emc-users] Latency issues; machinekit Kernel >>> >>> Are you running a standard Wheezy AMD64 install and the master buildbot >>> installations as well then?? >>> I can always reinstall, i rather have a 64bit OS than the PAE version >>> anyday. =) >>> >>> // A >> Stock wheezy ISO works fine, I would try latency with that first >> >> >>> Peter C. Wallace skrev den 2015-02-27 16:20: >>>> On Fri, 27 Feb 2015, Andreas Pettersson wrote: >>>> >>>>> Date: Fri, 27 Feb 2015 15:58:08 +0100 >>>>> From: Andreas Pettersson <andr...@roughedge.se> >>>>> Reply-To: "Enhanced Machine Controller (EMC)" >>>>> <emc-users@lists.sourceforge.net> >>>>> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> >>>>> Subject: [Emc-users] Latency issues; machinekit Kernel >>>>> >>>>> So i had some issued with drivers, but got around that by installing the >>>>> machinekit-rtai kernel >>>>> and then manually compile linuxcnc ontop of wheezy.. >>>>> >>>>> Well i dont think its optimal. >>>>> >>>>> The setup is a Core i5, 8gb ram and running SSD drivers in a raid 0 >>>>> configuration. >>>>> Lets say it boots like its on a ramdrive basicly.. >>>>> >>>>> Funny thing tho. Max Jitter: 815055 so far.. At a Max interval of 1815032. >>>>> >>>>> I find these numbers extremly high? Shouldnt they be alot.. well lower? >>>>> >>>>> // Andreas >>>> Thats pretty bad, do you have all power management/fan control off in the >>>> BIOS? >>>> >>>> >>>> I have a newer MB (ASRock H97M with a Pentium G3258 and built in Intel NIC >>>> =21x) that has about 4 usec latency with the stock Wheezy RTAI kernel >>>> >>>> >>>> I didnt try the intel 21x MAC with the RTAI kernel but it works fine with >>>> the >>>> stock wheezy Preemt-RT kernel (3.2.something) >>>> >>>> >>>> >>>>> ------------------------------------------------------------------------------ >>>>> Dive into the World of Parallel Programming The Go Parallel Website, >>>>> sponsored >>>>> by Intel and developed in partnership with Slashdot Media, is your hub >>>>> for all >>>>> things parallel software development, from weekly thought leadership >>>>> blogs to >>>>> news, videos, case studies, tutorials and more. Take a look and join the >>>>> conversation now. http://goparallel.sourceforge.net/ >>>>> _______________________________________________ >>>>> Emc-users mailing list >>>>> Emc-users@lists.sourceforge.net >>>>> https://lists.sourceforge.net/lists/listinfo/emc-users >>>>> >>>> Peter Wallace >>>> Mesa Electronics >>>> >>>> (\__/) >>>> (='.'=) This is Bunny. Copy and paste bunny into your >>>> (")_(") signature to help him gain world domination. >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> Dive into the World of Parallel Programming The Go Parallel Website, >>>> sponsored >>>> by Intel and developed in partnership with Slashdot Media, is your hub for >>>> all >>>> things parallel software development, from weekly thought leadership blogs >>>> to >>>> news, videos, case studies, tutorials and more. Take a look and join the >>>> conversation now. http://goparallel.sourceforge.net/ >>>> _______________________________________________ >>>> Emc-users mailing list >>>> Emc-users@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/emc-users >>> >>> ------------------------------------------------------------------------------ >>> Dive into the World of Parallel Programming The Go Parallel Website, >>> sponsored >>> by Intel and developed in partnership with Slashdot Media, is your hub for >>> all >>> things parallel software development, from weekly thought leadership blogs >>> to >>> news, videos, case studies, tutorials and more. Take a look and join the >>> conversation now. http://goparallel.sourceforge.net/ >>> _______________________________________________ >>> Emc-users mailing list >>> Emc-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/emc-users >>> >> Peter Wallace >> Mesa Electronics >> >> (\__/) >> (='.'=) This is Bunny. Copy and paste bunny into your >> (")_(") signature to help him gain world domination. >> >> >> ------------------------------------------------------------------------------ >> Dive into the World of Parallel Programming The Go Parallel Website, >> sponsored >> by Intel and developed in partnership with Slashdot Media, is your hub for >> all >> things parallel software development, from weekly thought leadership blogs to >> news, videos, case studies, tutorials and more. Take a look and join the >> conversation now. http://goparallel.sourceforge.net/ >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users > > > ------------------------------------------------------------------------------ > Dive into the World of Parallel Programming The Go Parallel Website, sponsored > by Intel and developed in partnership with Slashdot Media, is your hub for all > things parallel software development, from weekly thought leadership blogs to > news, videos, case studies, tutorials and more. Take a look and join the > conversation now. http://goparallel.sourceforge.net/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users