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major/gist:00c283876120a8af904ffe75f893244e

Last active November 2, 2016 05:15
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perf and pyperformance
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gistfile1.txt
Before adjusting sysctl:
Performance counter stats for 'pyperformance run --python=python2 -o py2.json':
252671.067374 task-clock (msec) # 0.999 CPUs utilized
9,655 context-switches # 0.038 K/sec
2,529 cpu-migrations # 0.010 K/sec
2,866,845 page-faults # 0.011 M/sec
<not supported> cycles
<not supported> stalled-cycles-frontend
<not supported> stalled-cycles-backend
<not supported> instructions
<not supported> branches
<not supported> branch-misses
252.946154853 seconds time elapsed
After adjusting sysctl:
Performance counter stats for 'pyperformance run --python=python2 -o py2.json':
257911.691451 task-clock (msec) # 1.000 CPUs utilized
10,828 context-switches # 0.042 K/sec
2,515 cpu-migrations # 0.010 K/sec
3,045,755 page-faults # 0.012 M/sec
<not supported> cycles
<not supported> stalled-cycles-frontend
<not supported> stalled-cycles-backend
<not supported> instructions
<not supported> branches
<not supported> branch-misses
257.936018230 seconds time elapsed
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