what is high cpu usage

1. Recognize NICs, one of the essential components for accessing the Internet. The network adapter works on the last two layers of OSI. The physical layer and the data link layer define the electrical and optical signals, line statuses, clock

1.0 performance monitoring Performance Tuning is a process of finding system bottlenecks and adjusting the operating system to eliminate these bottlenecks. Many System Administrators think that performance tuning is like cooking with recipes: simply

Note: This document only applies to DiscuzNT3.0 and sqlserver 2000 versions. Do not use the check boxes for other versions. In article (4) of this series, we mentioned windbg. He was not able to make a big debut last time. Today, he finally has to

A block-related memory management problem found in my friend's log on ios is very strange. Please help me to answer it !, Iosblock Http://blog.csdn.net/fengsh998/article/details/38090205 The following is my reply in this article. The same Code just

Linux Process Priority and nice Value After learning the complete and fair scheduling algorithm (CFS) in Linux, record the learning trajectory. This article mainly describes how the fully fair scheduling algorithm works and some scheduling knowledge.

Monitor Linux system and process resources using Shell scripts This article mainly introduces how to monitor Linux system and process resources by using Shell scripts. This article describes how to check whether a process exists, check the CPU usage

Shell script for Linux system and process resource monitoring, shelllinux During server O & M, you often need to monitor various Server resources, such as CPU load monitoring, disk usage monitoring, and process count monitoring, to promptly notify

Version: Procps version 3.2.8 Basic usage: Vmstat [-a] [-n] [-t] [-S unit] [delay [count] [-A]: displays active and inactive memory. [-N]: The field name is displayed only once at the beginning, and the user-friendly information is displayed

System Performance Detection, Performance monitoring focuses on computer system resource monitoring, which is necessary for preventive maintenance of the system. You can analyze the monitoring data to understand the bottlenecks of the system,

Two days ago, a trial version of the project to be delivered to the user must contain demo data for the customer. However, because the product is based on data analysis and the data volume is large, the task of re-establishing data on an empty

In Android application development, we will use variousCodeDebugging: in fact, after Android development, we may encounter some random problems, such as high CPU utilization and Memory leakage. We cannot perform Code debugging simply, we need a

Application profiler optimization SQL Server database system released on: 6/28/2005 | Updated on: 6/28/2005 Author: su youquan Content on this page Overview Traditional methods and limitations of

Recently, we have been talking about the major reduction of DDR memory. ddr266 plunged from the position of more than 400 yuan to around 200 yuan. Many people use MB or even 1 GB of memory, as a result, there is a popular idea among some players,

In the Lua script call, if we encounter a Bad script, for example: While 1 do Do End Then ourProgramThe main thread will also be blocked. So how can we prevent this problem? Here is a solution. First, in order not to block the main thread,

I. motherboard driver If your system is the latest version of XP, you may already have the driver on your motherboard. however, it is best to reload the motherboard driver with the original drive disk. the general motherboard drivers are described.

The following lists some common causes of performance problems. Hardware becomes a performance bottleneck due to heavy program load. It is observed that the CPU usage is always high, and the response time increases with the load. when the load

With the development of technology, the product needs to improve the data transmission speed. The data transmission mode of the IDE interface hard disk has undergone three different technological changes, from the initial Pio mode, to the DMA mode,

The while (1) loop has never been seen before, that is, an endless loop, but it did not expect it to lead to a high CPU usage. in my previous article, I used DirectShow to write a video player with a CPU usage of up to 56%. I was so puzzled that I

Postthreadmessage refers to callback and sends messages to the thread. The following describes my application experience in the thread.In Delphi, most of us use the tthread class that comes with the system to complete thread operations.A class is

It analyzes the dump of the w3wp process that you previously provided when the CPU usage is high. The following are some findings: During the capture of dump files,. Net garbage collection is running. When memory resources are insufficient,. NET