Rodrigo Amestica wrote: > yes, i forgot to include the link. now it goes. > > http://www.ddj.com/linux-open-source/200900827 > > Rodrigo Amestica wrote: >> Hi, >> >> general questions from somebody who's just starting to look into the >> preempt patch. >> >> the article linked below makes direct reference to the behavior of the >> preempt rt patch. The article was written in 2007. How much of that >> still holds true in the current version of the patch? >> >> I'm basically wondering about the first sentences in the abstract of >> that article. The big picture seems to be rather simple: calls to >> specific linux services could break the performance of a real time >> task by depending on lower priority tasks to complete that service. >> >> Does this mean that one must always be alert to which system services >> are invoked during the execution of a real time task? Yes. >> Does the vanilla >> kernel or the preempt-rt patch tries to somehow detect this condition >> and alert somehow? I am not aware of any such test, but it sounds like an interesting idea. >> >> thanks, >> Rodrigo >> -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
