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Looking for an app or tool to invoke CPU usage on my virtual Linux and Unix guests. I found the app "stress" from a post on Stackoverflow, but curious what the Unix/Linux crowd would recommend.

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3 Answers 3

up vote 4 down vote accepted

The goto for Linux is cpuburn (homepage). I would expect that it should work on other UNIX systems as well.

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TY sir, this gives me something else to compare my data with. –  Tim Jun 28 '12 at 13:17

stress is pretty good. I see no reason to use something else.

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Stress is just about perfect, I ultimately need an alternative to compare data against. –  Tim Jun 28 '12 at 13:18

I think cpuburn and stress are good, but I also have python script that I use to additional stress.

import multiprocessing
import math

def worker():
    #worker function
    print ('Worker')
    x = 0
    while x < 1000000000000000000:

        print(x)
        p = x*math.pi
        p2 = math.sqrt(x**2 + p**2)
        print(p2)

        x += 1
    return

if __name__ == '__main__':
    jobs = []
    for i in range(50):
        p = multiprocessing.Process(target=worker)
        jobs.append(p)
        p.start()
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According to the stress man-page this is pretty much the same what stress does... –  Nils Jun 29 '12 at 19:58

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