Powerful System monitoring SAR command

Source: Internet
Author: User

    • ? Common formats for SAR commands ?  
SAR [Options] [-A] [-o file] t [n]

among them: T is the sampling interval, n is the number of samples, the default value is 1;

-o file means that the command result is stored in a binary format in a file, and file is a filename.

Options is a command-line option, and the SAR command is commonly used as follows:    

-A: Sum of all reports

-U: Output statistics about CPU usage

-V: Output statistics for inode, files, and other kernel tables

-D: Output activity information for each block device

-r: Output memory and swap space statistics

-B: Display statistics for I/O and transfer rates

-A: File read and write status

-C: Output process statistics, number of processes created per second

-r: Output memory page statistics

-Y: terminal equipment activity situation

-W: Output system Exchange activity information



Powerful System monitoring SAR command

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