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SCHED_DEADLINE — планировщик реального вре … SCHED_DEADLINE — планировщик реального времени в ядре Linux, реализует алгоритм планирования по ближайшему сроку завершения (EDF), был добавлен в ядро Linux, начиная с версии 3.14, выпущенной 30 марта 2014. Ядро Linux содержит несколько типов планировщиков задач. По умолчанию ядро использует задач (англ. Completely Fair Scheduler, CFS), впервые появившийся в ядре с версии 2.6.23. Этот планировщик по умолчанию известен так же как SCHED_NORMAL, но ядро так же содержит два планировщика реального времени, именуемых как (realtime first-in-first-out) и (realtime ), каждый из которых имеет приоритет над планировщиком по умолчанию. приоритет над планировщиком по умолчанию.
, <b>SCHED_DEADLINE</b> is a CPU … <b>SCHED_DEADLINE</b> is a CPU scheduler available in the Linux kernel since version 3.14, based on the Earliest Deadline First (EDF) and Constant Bandwidth Server (CBS) algorithms, supporting resource reservations: each task scheduled under such policy is associated with a budget Q (aka runtime), and a period P, corresponding to a declaration to the kernel that Q time units are required by that task every P time units, on any processor. This makes SCHED_DEADLINE particularly suitable for real-time applications, like multimedia or industrial control, where P corresponds to the minimum time elapsing between subsequent activations of the task, and Q corresponds to the worst-case execution time needed by each activation of the task.ime needed by each activation of the task.
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<b>SCHED_DEADLINE</b> is a CPU … <b>SCHED_DEADLINE</b> is a CPU scheduler available in the Linux kernel since version 3.14, based on the Earliest Deadline First (EDF) and Constant Bandwidth Server (CBS) algorithms, supporting resource reservations: each task scheduled under such policy is associated with a budget Q (aka runtime), and a period P, corresponding to a declaration to the kernel that Q time units are required by that task every P time units, on any processor. This makes SCHED_DEADLINE particularly suitable for real-time applications, like multimedia or industrial control, where P corresponds to the minimum time elapsing between subsequent activations of the task, and Q corresponds to the worst-case execution time needed by each activation of the task.ime needed by each activation of the task.
, SCHED_DEADLINE — планировщик реального времени в ядре Linux, реализует алгоритм планирования по ближайшему сроку завершения (EDF), был добавлен в ядро Linux, начиная с версии 3.14, выпущенной 30 марта 2014.
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