blob: 3b51731399df288ba37b7240913152e3a1e4649d [file] [log] [blame]
# 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.
# Common code for parsing --trace-gc-nvp output.
from __future__ import with_statement
import re
def split_nvp(s):
t = {}
for (name, value) in re.findall(r"([._\w]+)=([-\w]+(?:\.[0-9]+)?)", s):
t[name] = float(value)
except ValueError:
t[name] = value
return t
def parse_gc_trace(input):
trace = []
with open(input) as f:
for line in f:
info = split_nvp(line)
if info and 'pause' in info and info['pause'] > 0:
info['i'] = len(trace)
return trace