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Linux how to use stress stress testing tool, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.

Parameter description:

-? Display help information

-v displays the version number

-Q does not display operation information

-n displays completed instructions

-t-- timeout N specifies to stop after running for N seconds

-- backoff N waits for N subtlety to start running

-c generates n processes and each process repeatedly calculates the square root of a random number

-I generate n processes. Each process repeatedly calls sync (), and sync () is used to write the contents of memory to the hard disk.

-m-- vm n generates n processes, each of which constantly calls the memory allocation malloc and memory release free functions

-- vm-bytes B specifies the number of bytes of memory when malloc (default 256MB)

-- vm-hang N specifies the number of seconds to pay in free

-d-- hadd n produces n processes that execute write and unlink functions

-hadd-bytes B specifies the number of bytes to write

-- hadd-noclean does not unlink

The time unit can be seconds, minutes m, hour h, day d, year y, and the file size unit can be Kpen Mpg.

Example:

Generate 13 cpu processes and 4 io processes stop running after 1 minute

Stress-c 13-I 4-- verbose-- timeout 1m is it helpful for you to read the above content? If you want to know more about the relevant knowledge or read more related articles, please follow the industry information channel, thank you for your support.

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