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29 relations: C POSIX library, Central processing unit, Computer multitasking, Computer program, Context (computing), Elapsed real time, Hypervisor, IBM, Infinite loop, Input/output, Instruction set architecture, Lag, Load (computing), Mpstat, Multi-core processor, Multiprocessing, Operating system, Parallel computing, Process (computing), System call, System Idle Process, System time, Thread (computing), Time, Time (Unix), Top (software), Unix, User space, Virtualization.
C POSIX library
The C POSIX library is a specification of a C standard library for POSIX systems.
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Central processing unit
A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.
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Computer multitasking
In computing, multitasking is the concurrent execution of multiple tasks (also known as processes) over a certain period of time.
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Computer program
A computer program is a collection of instructions for performing a specific task that is designed to solve a specific class of problems.
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Context (computing)
In computer science, a task context is the minimal set of data used by a task (which may be a process or thread) that must be saved to allow a task to be interrupted, and later continued from the same point.
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Elapsed real time
Elapsed real time, real time, wall-clock time, or wall time is the actual time taken from the start of a computer program to the end.
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Hypervisor
A hypervisor or virtual machine monitor (VMM) is computer software, firmware or hardware that creates and runs virtual machines.
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IBM
The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.
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Infinite loop
An infinite loop (or endless loop) is a sequence of instructions in a computer program which loops endlessly, either due to the loop having no terminating condition, having one that can never be met, or one that causes the loop to start over.
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Input/output
In computing, input/output or I/O (or, informally, io or IO) is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system.
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Instruction set architecture
An instruction set architecture (ISA) is an abstract model of a computer.
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Lag
In online gaming, lag is a noticeable delay between the action of players and the reaction of the server in a video game.
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Load (computing)
In UNIX computing, the system load is a measure of the amount of computational work that a computer system performs.
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Mpstat
mpstat is a computer command-line software used in unix-type operating systems to report (on the screen) processor related statistics.
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Multi-core processor
A multi-core processor is a single computing component with two or more independent processing units called cores, which read and execute program instructions.
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Multiprocessing
Multiprocessing is the use of two or more central processing units (CPUs) within a single computer system.
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Operating system
An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
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Parallel computing
Parallel computing is a type of computation in which many calculations or the execution of processes are carried out concurrently.
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Process (computing)
In computing, a process is an instance of a computer program that is being executed.
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System call
In computing, a system call is the programmatic way in which a computer program requests a service from the kernel of the operating system it is executed on.
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System Idle Process
In Windows NT operating systems, the System Idle Process contains one or more kernel threads which run when no other runnable thread can be scheduled on a CPU.
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System time
In computer science and computer programming, system time represents a computer system's notion of the passing of time.
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Thread (computing)
In computer science, a thread of execution is the smallest sequence of programmed instructions that can be managed independently by a scheduler, which is typically a part of the operating system.
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Time
Time is the indefinite continued progress of existence and events that occur in apparently irreversible succession from the past through the present to the future.
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Time (Unix)
time is a command in the Unix operating systems.
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Top (software)
top (table of processes) is a task manager program found in many Unix-like operating systems that displays information about CPU and memory utilization.
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Unix
Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.
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User space
A modern computer operating system usually segregates virtual memory into kernel space and user space.
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Virtualization
In computing, virtualization refers to the act of creating a virtual (rather than actual) version of something, including virtual computer hardware platforms, storage devices, and computer network resources.
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CPU usage, CPUtime, Computer time, Cputime, Process time.
References
[1] https://en.wikipedia.org/wiki/CPU_time
