Anno domini 2019 Thu, 26 Dec 15:08:41 -0500 Gene Heskett scripsit: > On Thursday 26 December 2019 10:30:39 Michael wrote: > > > On Thursday 26 December 2019 05:24:06 am Gene Heskett wrote: > > > preempt-realtime kernel > > > > Hi Gene, > > > > You've mentioned realtime kernel before as being faster(/better?), do > > you have a goto link/article that explains it for a mostly uninformed > > about kernel person? > > > If you install the kernel src debs, you can do a make menuconfig, which > will allow you access to the kernels fine tuning, and one of the option > buried in the menu's is to turn on a config option call preempt-rt or > preempt-realtime. This changes the IRQ handling to make the IRQ's be > handled much quicker at the expense of making other stuff wait a few > microseconds. One should also mention, that for a normal user a realtime kernel is a bad idea, the GUI will not perform better. > > There are other, even better ways to do this but this one disturbs the > rest of the system less, and it puts those operations in the users > workspace. All other methods become a portion of the kernel wom > > > I can search this, but with the amount of bias/wrong/propaganda you > > end up with now from google searches, I figured I’d ask someone who > > actually knows… > > The confusion reigns heavily because the rt developer group is actually 2 > or 3 parallel projects. All of which are working on getting the version > of the code they are working on good enough to become the core the > default build is based on. I am not an expert, I simply git clone a > version and if it works we've a winner, if not, tag a newer one and try > again. Development is moving at breakneck speeds And then there is RTAI, which gives a latrency of ~ 1/5th to 1/10th of RT-PREEMPT. But it does not work on ARM :( Nik > > > Thanks, > > Michael > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: > > trinity-users-unsubscribe@xxxxxxxxxxxxxxxxxxxxxxxxxx For additional > > commands, e-mail: trinity-users-help@xxxxxxxxxxxxxxxxxxxxxxxxxx Read > > list messages on the web archive: > > http://trinity-users.pearsoncomputing.net/ Please remember not to > > top-post: > > http://trinity.pearsoncomputing.net/mailing_lists/#top-posting > > > Cheers, Gene Heskett -- Please do not email me anything that you are not comfortable also sharing with the NSA, CIA ... --------------------------------------------------------------------- To unsubscribe, e-mail: trinity-users-unsubscribe@xxxxxxxxxxxxxxxxxxxxxxxxxx For additional commands, e-mail: trinity-users-help@xxxxxxxxxxxxxxxxxxxxxxxxxx Read list messages on the web archive: http://trinity-users.pearsoncomputing.net/ Please remember not to top-post: http://trinity.pearsoncomputing.net/mailing_lists/#top-posting
