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#!/usr/bin/env python
#
# Copyright 2008 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Usage: process-ticks.py <logfile>
# Where <logfile> is the log file name (eg, v8.log).
import subprocess, re, sys, tickprocessor
class LinuxTickProcessor(tickprocessor.TickProcessor):
def ParseVMSymbols(self, filename, start, end):
"""Extract symbols and add them to the cpp entries."""
# Extra both dynamic and non-dynamic symbols.
command = 'nm -C -n "%s"; nm -C -n -D "%s"' % (filename, filename)
process = subprocess.Popen(command, shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
pipe = process.stdout
try:
for line in pipe:
row = re.match('^([0-9a-fA-F]{8}) . (.*)$', line)
if row:
addr = int(row.group(1), 16)
if addr < start and addr < end - start:
addr += start
self.cpp_entries.Insert(addr, tickprocessor.CodeEntry(addr, row.group(2)))
finally:
pipe.close()
class LinuxCmdLineProcessor(tickprocessor.CmdLineProcessor):
def GetRequiredArgsNames(self):
return 'log_file'
def ProcessRequiredArgs(self, args):
if len(args) != 1:
self.PrintUsageAndExit()
else:
self.log_file = args[0]
def Main():
cmdline_processor = LinuxCmdLineProcessor()
cmdline_processor.ProcessArguments()
tick_processor = LinuxTickProcessor()
cmdline_processor.RunLogfileProcessing(tick_processor)
tick_processor.PrintResults()
if __name__ == '__main__':
Main()
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