Bob Lantz
54 lines
1.4 KiB
Python
Executable File
54 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python
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"""
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Test for cpu.py
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results format:
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sched cpu client MB/s
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cfs 45.00% 13254.669841
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cfs 40.00% 11822.441399
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cfs 30.00% 5112.963009
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cfs 20.00% 3449.090009
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cfs 10.00% 2271.741564
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"""
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import unittest
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import pexpect
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import sys
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class testCPU( unittest.TestCase ):
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prompt = 'mininet>'
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@unittest.skipIf( '-quick' in sys.argv, 'long test' )
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def testCPU( self ):
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"Verify that CPU utilization is monotonically decreasing for each scheduler"
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p = pexpect.spawn( 'python -m mininet.examples.cpu' )
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# matches each line from results( shown above )
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opts = [ '([a-z]+)\t([\d\.]+)%\t([\d\.]+)',
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pexpect.EOF ]
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scheds = []
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while True:
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index = p.expect( opts, timeout=600 )
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if index == 0:
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sched = p.match.group( 1 )
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cpu = float( p.match.group( 2 ) )
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bw = float( p.match.group( 3 ) )
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if sched not in scheds:
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scheds.append( sched )
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else:
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self.assertTrue( bw < previous_bw,
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"%f should be less than %f\n" %
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( bw, previous_bw ) )
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previous_bw = bw
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else:
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break
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self.assertTrue( len( scheds ) > 0 )
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if __name__ == '__main__':
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unittest.main()
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