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  2. System Idle Process - Wikipedia

    en.wikipedia.org/wiki/System_Idle_Process

    Its CPU time "usage" is a measure of how much CPU time is not being used by other threads. In Windows 2000 and later the threads in the System Idle Process are also used to implement CPU power saving. The exact power saving scheme depends on the operating system version and on the hardware and firmware capabilities of the system in question.

  3. Task Manager (Windows) - Wikipedia

    en.wikipedia.org/wiki/Task_Manager_(Windows)

    Task Manager, previously known as Windows Task Manager, is a task manager, system monitor, and startup manager included with Microsoft Windows systems. It provides information about computer performance and running software, including names of running processes, CPU and GPU load, commit charge, I/O details, logged-in users, and Windows services.

  4. Windows System Assessment Tool - Wikipedia

    en.wikipedia.org/wiki/Windows_System_Assessment_Tool

    The Windows System Assessment Tool (WinSAT) is a module of Microsoft Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, and Windows 11 that is available in the Control Panel under Performance Information and Tools (except in Windows 8.1, Windows 10, and Windows 11).

  5. Computer performance - Wikipedia

    en.wikipedia.org/wiki/Computer_performance

    A system's ability to accept a higher load is called scalability, and modifying a system to handle a higher load is synonymous to performance tuning. Systematic tuning follows these steps: Assess the problem and establish numeric values that categorize acceptable behavior. Measure the performance of the system before modification.

  6. Resource Monitor - Wikipedia

    en.wikipedia.org/wiki/Resource_Monitor

    Resource Monitor, a utility in Windows Vista and later, displays information about the use of hardware (CPU, memory, disk, and network) and software (file handles and modules) resources in real time. [1] Users can launch Resource Monitor by executing resmon.exe (perfmon.exe in Windows Vista).

  7. Advanced Power Management - Wikipedia

    en.wikipedia.org/wiki/Advanced_Power_Management

    The CPU core (defined in APM as the CPU clock, cache, system bus and system timers) is treated specially in APM, as it is the last device to be powered down, and the first device to be powered back up. The CPU core is always controlled through the APM BIOS (there is no option to control it through a driver).

  8. Processor power dissipation - Wikipedia

    en.wikipedia.org/wiki/Processor_power_dissipation

    In many applications, the CPU and other components are idle much of the time, so idle power contributes significantly to overall system power usage. When the CPU uses power management features to reduce energy use, other components, such as the motherboard and chipset, take up a larger proportion of the computer's energy.

  9. Idle (CPU) - Wikipedia

    en.wikipedia.org/wiki/Idle_(CPU)

    Many operating systems, for example Windows, [1] Linux, [2] and macOS [3] will run an idle task, which is a special task loaded by the OS scheduler on a CPU when there is nothing for the CPU to do. The idle task can be hard-coded into the scheduler, or it can be implemented as a separate task with the lowest possible priority.