In the process of Linux there is no deadline concept?

Such as the title, in the real-time reconstruction of Linux, if we choose the EDF algorithm or LSF algorithm should be used by the concept of time, the deadline that Linux has no process concept? Find a lot of information are not mentioned!

Started by Harrison at February 02, 2016 - 3:54 PM

Too deep, I,

Posted by Cindy at November 17, 2016 - 11:53 AM

Thank you, master!!!

Posted by Harrison at November 19, 2016 - 12:29 PM

It seems LZ is Daniel, look directly kernel source estimation can get the answer.

Posted by Horace at November 23, 2016 - 12:58 PM

Not so, but encountered this problem. I think Linux Process structure descriptor task_struct, it does not define the deadline.
Now my problem is how to compute Linux for a process running time estimates?

Posted by Harrison at December 02, 2016 - 1:01 PM

Not so, but encountered this problem. I think Linux Process structure descriptor task_struct, it does not define the deadline.
Now my problem is how to compute Linux for a process running time estimates?

Posted by Harrison at December 10, 2016 - 1:54 PM

Experts know how to calculate Linux a process estimated run time? Calculate the time to consider what specific problems?

Posted by Harrison at December 19, 2016 - 2:25 PM

I'm not experts, the experts also didn't come, so no one to answer your question.
int getrusage(int who, struct rusage *usage);This can be called the running time process user space operation time and system.
If you track the system calls in the kernel source in the process of their own, look for the answer.
Or core expert.,

Posted by Cindy at December 24, 2016 - 3:08 PM

With the Ingo preempt RT patch please.?

Posted by Ellen at January 05, 2017 - 3:22 PM

This should be calculated, the process of the run_time = sched_clock()-current->timestamp.

Posted by Joseph at January 13, 2017 - 3:38 PM

Time slice is not re computation process.?

Posted by Randall at January 14, 2017 - 3:49 PM