ceph/src/jaegertracing/opentelemetry-cpp/third_party/prometheus-cpp/3rdparty/civetweb/src/third_party/duktape-1.8.0/examples/alloc-logging/log2gnuplot.py

   1 #!/usr/bin/env python2
   2 #
   3 #  Analyze allocator logs and write total-bytes-in-use after every
   4 #  operation to stdout.  The output can be gnuplotted as:
   5 #
   6 #  $ python log2gnuplot.py </tmp/duk-alloc-log.txt >/tmp/output.txt
   7 #  $ gnuplot
   8 #  > plot "output.txt" with lines
   9 #
  10
  11 import os
  12 import sys
  13
  14 def main():
  15         allocated = 0
  16
  17         for line in sys.stdin:
  18                 line = line.strip()
  19                 parts = line.split(' ')
  20
  21                 # A ptr/NULL/FAIL size
  22                 # F ptr/NULL size
  23                 # R ptr/NULL oldsize ptr/NULL/FAIL newsize
  24
  25                 # Note: ajduk doesn't log oldsize (uses -1 instead)
  26
  27                 if parts[0] == 'A':
  28                         if parts[1] != 'NULL' and parts[1] != 'FAIL':
  29                                 allocated += long(parts[2])
  30                 elif parts[0] == 'F':
  31                         allocated -= long(parts[2])
  32                 elif parts[0] == 'R':
  33                         allocated -= long(parts[2])
  34                         if parts[3] != 'NULL' and parts[3] != 'FAIL':
  35                                 allocated += long(parts[4])
  36                 print(allocated)
  37
  38         print(allocated)
  39
  40 if __name__ == '__main__':
  41         main()