1 | #!/usr/bin/env python2
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2 | """
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3 | virtual_memory.py
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4 | """
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5 |
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6 | import csv
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7 | import os
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8 | import sys
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9 | import re
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10 |
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11 | # VmSize, VmData might be interesting too.
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12 | METRIC_RE = re.compile('^(VmPeak|VmRSS):\s*(\d+)')
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13 |
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14 |
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15 | def main(argv):
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16 | action = argv[1]
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17 |
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18 | if action == 'baseline':
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19 | input_dirs = argv[2:]
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20 |
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21 | out = csv.writer(sys.stdout)
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22 | out.writerow(('host', 'shell_name', 'shell_hash', 'metric_name',
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23 | 'metric_value'))
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24 |
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25 | # Dir name looks like "$host.$job_id"
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26 | for input_dir in input_dirs:
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27 | d = os.path.basename(input_dir)
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28 | host, job_id = d.split('.')
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29 | for name in os.listdir(input_dir):
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30 | n, _ = os.path.splitext(name)
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31 | shell_name, shell_hash = n.split('-')
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32 | path = os.path.join(input_dir, name)
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33 | with open(path) as f:
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34 | for line in f:
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35 | m = METRIC_RE.match(line)
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36 | if m:
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37 | name, value = m.groups()
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38 | row = (host, shell_name, shell_hash, name, value)
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39 | out.writerow(row)
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40 |
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41 | else:
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42 | raise RuntimeError('Invalid action %r' % action)
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43 |
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44 |
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45 | if __name__ == '__main__':
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46 | try:
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47 | main(sys.argv)
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48 | except RuntimeError as e:
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49 | print >> sys.stderr, 'FATAL: %s' % e
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50 | sys.exit(1)
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