| Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | # |
| 3 | # Copyright 2015 the V8 project authors. All rights reserved. |
| 4 | # Use of this source code is governed by a BSD-style license that can be |
| 5 | # found in the LICENSE file. |
| 6 | |
| 7 | # |
| 8 | # This is an utility for generating csv files based on GC traces produced by |
| 9 | # V8 when run with flags --trace-gc --trace-gc-nvp. |
| 10 | # |
| 11 | # Usage: gc-nvp-to-csv.py <GC-trace-filename> |
| 12 | # |
| 13 | |
| 14 | import sys |
| 15 | import gc_nvp_common |
| 16 | |
| 17 | def process_trace(filename): |
| 18 | trace = gc_nvp_common.parse_gc_trace(filename) |
| 19 | if len(trace): |
| 20 | keys = trace[0].keys() |
| 21 | print ', '.join(keys) |
| 22 | for entry in trace: |
| 23 | print ', '.join(map(lambda key: str(entry[key]), keys)) |
| 24 | |
| 25 | |
| 26 | if len(sys.argv) != 2: |
| 27 | print "Usage: %s <GC-trace-filename>" % sys.argv[0] |
| 28 | sys.exit(1) |
| 29 | |
| 30 | process_trace(sys.argv[1]) |