In Linux, the meaning of CPU load and CPU usage indicates that the Nagios alarm information was viewed yesterday. It was found that the CPU load on one of the servers was too heavy and the machine was CentOS. Information: 2011-2-15 (Tuesday) 17: 50
Meaning of cpu usage in linux top Command, linuxtop
Meaning of cpu usage in linux top Command[Respect for original articles from: http://www.iteye.com/topic/1110848]CPU usage of 0.3% us user space1.0% sy CPU usage in kernel space0.0% percentage of
1 CPU hotspot Analysis positioning backgroundCPU resources are still very expensive, in order to feel this expensive, the current CPU price of resources:So for the program apes, it is necessary for the program to use CPU resources reasonably and
1.topUsage rights: All usersMode of use: Top [-] [D delay] [Q] [C] [s] [s] [i] [n] [b]Description: Instant display of process dynamicsD: Change the update speed of the display, or press s in the chat command column (interactive command)Q: There is
Loadaverage is displayed when we use the top command to view system resource usage, as shown in. It indicates the average workload of the system in 1, 5, 15 minutes. So what is the load? What is the relationship between it and cpu utilization?
When
Linux command ---- analyze CPU bottlenecks to measure CPU performance indicators: 1. CPU usage; CPU running regular user processes CPU running nicedprocessCPU running real-time processes 2. CPU usage; for IO management: interrupt and driver for
Without nagios monitoring software, as long as the server can access the Internet, you can send an email to remind the administrator of the system load and CPU usage.
1. Install a mail client msmtp software (similar to a foxmail tool) in linux)
1.
Article Title: CPU load in Linux. Linux is a technology channel of the IT lab in China. Some basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open-source systems view the Nagios alarm
CPU of Linux system and performance monitoringPerformance optimization is the process of finding bottlenecks in system processing and removing them. This article was translated by sanotes.net webmaster Tonnyom in August 2009 from the Linux System
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