NOAA Scientists Study Historic âDust Bowlâ and Plains Droughts for Triggers. Knowing Different Global Causes Could Aid Future Drought Warnings. The remains of a cornfield after grasshoppers had completed the destruction begun by the Drought of 1931-1932 in Montana, North Dakota, South Dakota, Nebraska, and Washington.
The short-term scheduler (also known as the CPU scheduler) decides which of the ready, in-memory processes is to be executed (allocated a CPU) after a clock interrupt, an I/O interrupt, an operating system call or another form of signal.
Linux scheduler contains: 1  A Running Queue : A running queue (rq) is created for each processor (CPU). It is defined in kernel/sched.c as struct _runqueue. 2  Schedule Class : schedule class was introduced in 2.6.23. It is an extensible hierarchy of scheduler modules.