| #!/usr/bin/env python2 |
| # |
| # Analyze allocator logs and write total-bytes-in-use after every |
| # operation to stdout. The output can be gnuplotted as: |
| # |
| # $ python log2gnuplot.py </tmp/duk-alloc-log.txt >/tmp/output.txt |
| # $ gnuplot |
| # > plot "output.txt" with lines |
| # |
| |
| import os |
| import sys |
| |
| def main(): |
| allocated = 0 |
| |
| for line in sys.stdin: |
| line = line.strip() |
| parts = line.split(' ') |
| |
| # A ptr/NULL/FAIL size |
| # F ptr/NULL size |
| # R ptr/NULL oldsize ptr/NULL/FAIL newsize |
| |
| # Note: ajduk doesn't log oldsize (uses -1 instead) |
| |
| if parts[0] == 'A': |
| if parts[1] != 'NULL' and parts[1] != 'FAIL': |
| allocated += long(parts[2]) |
| elif parts[0] == 'F': |
| allocated -= long(parts[2]) |
| elif parts[0] == 'R': |
| allocated -= long(parts[2]) |
| if parts[3] != 'NULL' and parts[3] != 'FAIL': |
| allocated += long(parts[4]) |
| print(allocated) |
| |
| print(allocated) |
| |
| if __name__ == '__main__': |
| main() |
