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List of contents of this article:

• 1, Process scheduling of Linux system
• 2、 What are the components of the power scheduling system?
• 3, purpose of system scheduling Of

process scheduling of Linux system

1. The timing of Linux scheduling mainly includes: the moment of process state change: process termination, process sleep.When the time slice of the current process is used up (current-counter=0). Device driver. When the process returns to the user state from interruption, exception and system call.

2. In addition, the system process also needs to use the processor. This requires the process scheduler to dynamically assign the processor to a process in the ready queue according to a certain strategy to make it execute.

3. SCHED_OTHER time-spliting strategy, 2. SCHED_FIFO real-time scheduling strategy, first-come, first-served service 3. SCHED_RR real-time scheduling policy, time slice rotation real-time process will be called first, and the real-time process will be scheduled according to real-time priority Weight value.

4, -l Display the list of signal names, which can also be found in /usr/include/linux/signal.Find it in the h file. Let's take a look at the use of this command. [ Example 24] When executing a find command for too long, it is decided to terminate the process.

What are the components of the power scheduling system?

Safe Zone I Typical System: Scheduling Automation System, Substation Automation System, Relay Protection, Safety Automatic Control System, etc.Safety Zone II Typical System: reservoir scheduling automation system, electrical energy measurement system, relay protection and fault recording information management system, etc.

Power system scheduling automation consists of: information processing subsystem, communication subsystem, monitoring and measurement subsystem, control and operation subsystem. Information processing subsystem: This is the core part of the scheduling automation system, which is mainly composed of electronic computers and related software.

graded partition, complex structure, many and flexible connection methods, difficult to control. The power system is an electricity production and consumption system composed of power plants, transmission and transmission lines, power supply and distribution stations and electricity consumption and other links.

An electricity production and consumption system composed of power generation, power transformation, power transmission, power distribution and electricity consumption.

Power grid scheduling systemComposition With the technical update of the power grid scheduling system, the automation of power grid scheduling has been realized. Its main components are the main station system, power plant and substation terminal and information channel.

The five major components of the power system are generator set, power transmission system, power distribution system, power load, monitoring and control system. Generator set The generator set is the core part of the power system, which converts mechanical energy into electrical energy and provides power for the power system. The performance of the generator set directly affects the quality and stability of the power system.

The purpose of system scheduling

1. The main purpose of attracting intermediate scheduling is to improve the utilization rate of memory and system throughput.

2. Functions required for the power scheduling systemThe purpose of installing an industrial TV monitoring system in power regulation is to improve the speed of solving emergencies in the period of ensuring power scheduling and power supply, and further ensure the safe operation level of power supply.

3. The main purpose of smart grid scheduling is to improve the reliability, stability and economy of the power grid, and to realize the intelligent scheduling of the power grid through the use of advanced information, communication and control technology.