linux get cpu usage command line

How to view machine configuration under Linux? cpu/Memory/HDDDmesgDisplays the boot information. The kernel will store the boot information in the ring buffer. If you are too late to view the information, you can use DMESG to view it. The boot

The Linux kernel is a great circus performer who plays juggling carefully between process and system resources and keeps the system running properly. At the same time, the kernel is fair: it allocates resources equitably to processes. But what if

reproduced the top after the use of detailed parameters, the notes were not found, reproduced, as a reference for future use:Original address: http://blog.csdn.net/linghao00/article/details/8059244Linux top command view memory and multi-core CPU

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

View multi-core CPU commandsMpstat-p All and sar-p allDescription: Sar-p all > Aaa.txt redirect output to file Aaa.txtTop commandOften used to monitor Linux system conditions, such as CPU, memory usage, the programmer basically know this command,

first section CPU utilization and CPU load Under Linux/unix, CPU utilization (CPU utilization) is divided into user state, System State and idle state, respectively, the CPU is in user state execution time, system kernel execution time, and idle

Top is the most common command to view CPU usage under Linux, which is powerful and easy to use. But one thing is very bad, is top's working state is full screen, and cannot return. It's hard to get CPU utilization if you want to call the top

Linux is available under the top, PS command to check the current CPU, mem usage. Here's a simple example:First, using PS to view the process of resource consumptionPs-auxWhen you view the process information, the third column is the CPU

Proc File systemThe/proc file system is a pseudo-file system that only exists in memory and does not occupy external memory space. It provides the interface for the kernel to communicate with the process in a file system manner. Users and

Transferred from: https://www.cnblogs.com/dragonsuc/p/5512797.htmlView multi-core CPU commandsMpstat-p All and sar-p allDescription: Sar-p all > Aaa.txt redirect output to file Aaa.txtTop commandOften used to monitor Linux system conditions, such as