----- Original Message ----- > From: "Francesco Romani" <from...@redhat.com> > To: devel@ovirt.org > Cc: "Nir Soffer" <nsof...@redhat.com>, "Martin Sivak" <msi...@redhat.com> > Sent: Monday, June 30, 2014 12:14:34 PM > Subject: Re: [ovirt-devel] XML benchmarks > > ----- Original Message ----- > > From: "Francesco Romani" <from...@redhat.com> > > To: "Nir Soffer" <nsof...@redhat.com> > > Cc: devel@ovirt.org > > Sent: Monday, June 30, 2014 8:47:15 AM > > Subject: Re: [ovirt-devel] XML benchmarks > > > > ----- Original Message ----- > > > From: "Nir Soffer" <nsof...@redhat.com> > > > To: "Francesco Romani" <from...@redhat.com> > > > Cc: devel@ovirt.org, "Martin Sivak" <msi...@redhat.com> > > > Sent: Sunday, June 29, 2014 10:34:08 AM > > > Subject: Re: [ovirt-devel] XML benchmarks > > > > > > CPU measurement: just opened a terminal and run 'htop' on it. > > > > CPU profile: clustered around the sampling interval. Usage negligible > > > > most > > > > of > > > > time, peak on sampling as shown below > > > > > > > > 300 VMs > > > > minidom: ~38% CPU > > > > cElementTree: ~5% CPU > > > > > > What is 38% - (38% of one core? how may cores are on the machine?) > > > > 4 cores: 2 physical, 2 logical. I'm prepping a more precise test > > using a better and less ambiguous indicator. > > Here. Attached un updated script (xmlbench2.py) which uses 'psutil' > (https://pypi.python.org/pypi/psutil) to gather the samples. > > CPU sampled each 500ms (half a second). 100% is one core. > My laptop reports 4 core (dualcore with hyperthreading). > > See attached some graphs for easier comsumption and their gnuplot recipe. > > cpu_300t_3m.png: load using the test script with 300 threads, each thread > runs ~3 minutes > cpu_500t_3m.png: load using the test script with 500 threads, each thread > runs ~3 minutes > > sampling is not really accurate but it is more than enough to get an idea.
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