82 lines
3.0 KiB
Python
82 lines
3.0 KiB
Python
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#!/usr/bin/env python
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#
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# Copyright 2008 Google Inc. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Usage: process-ticks.py <logfile>
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# Where <logfile> is the log file name (eg, v8.log).
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import os, re, sys, tickprocessor, getopt;
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class LinuxTickProcessor(tickprocessor.TickProcessor):
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def ParseVMSymbols(self, filename, start, end):
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"""Extract symbols and add them to the cpp entries."""
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pipe = os.popen('nm -n %s | c++filt' % filename, 'r')
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try:
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for line in pipe:
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row = re.match('^([0-9a-fA-F]{8}) . (.*)$', line)
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if row:
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addr = int(row.group(1), 16)
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if addr < start and addr < end - start:
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addr += start
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self.cpp_entries.Insert(addr, tickprocessor.CodeEntry(addr, row.group(2)))
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finally:
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pipe.close()
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def Usage():
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print("Usage: linux-tick-processor.py --{js,gc,compiler,other} logfile-name");
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sys.exit(2)
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def Main():
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# parse command line options
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state = None;
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try:
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opts, args = getopt.getopt(sys.argv[1:], "jgco", ["js", "gc", "compiler", "other"])
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except getopt.GetoptError:
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usage()
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# process options.
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for key, value in opts:
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if key in ("-j", "--js"):
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state = 0
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if key in ("-g", "--gc"):
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state = 1
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if key in ("-c", "--compiler"):
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state = 2
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if key in ("-o", "--other"):
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state = 3
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# do the processing.
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if len(args) != 1:
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Usage();
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tick_processor = LinuxTickProcessor()
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tick_processor.ProcessLogfile(args[0], state)
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tick_processor.PrintResults()
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if __name__ == '__main__':
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Main()
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