v8/tools/gc-nvp-to-csv.py
Vadim Gorbachev (bmsdave) 7315d7b3d7 Preparing v8 to use with python3 /tools
There are now less that 400 days until the end of life
of Python 2(aka _legacy_ Python) https://pythonclock.org/ .
The code compatibility check for python2 and python3
used the following tools: futurize, flake8
You can see the reports here: https://travis-ci.com/bmsdave/v8/builds

This CL was uploaded by git cl split.

Bug: v8:8594
Change-Id: I661c52a70527e8ddde841fee6d4dcba282b4a938
Reviewed-on: https://chromium-review.googlesource.com/c/1470123
Commit-Queue: Sergiy Belozorov <sergiyb@chromium.org>
Reviewed-by: Sergiy Belozorov <sergiyb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59675}
2019-02-19 09:12:07 +00:00

36 lines
831 B
Python
Executable File

#!/usr/bin/env python
#
# Copyright 2015 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# This is an utility for generating csv files based on GC traces produced by
# V8 when run with flags --trace-gc --trace-gc-nvp.
#
# Usage: gc-nvp-to-csv.py <GC-trace-filename>
#
# for py2/py3 compatibility
from __future__ import print_function
import sys
import gc_nvp_common
def process_trace(filename):
trace = gc_nvp_common.parse_gc_trace(filename)
if len(trace):
keys = trace[0].keys()
print(', '.join(keys))
for entry in trace:
print(', '.join(map(lambda key: str(entry[key]), keys)))
if len(sys.argv) != 2:
print("Usage: %s <GC-trace-filename>" % sys.argv[0])
sys.exit(1)
process_trace(sys.argv[1])