From e311c23480bb3a8246fd12510d63c3fb66164470 Mon Sep 17 00:00:00 2001 From: Brad Anderson Date: Fri, 20 Aug 2010 11:01:34 -0400 Subject: ship scons-local with project so it's not a dependency --- scons/scons-local-2.0.1/SCons/Debug.py | 220 +++++++++++++++++++++++++++++++++ 1 file changed, 220 insertions(+) create mode 100644 scons/scons-local-2.0.1/SCons/Debug.py (limited to 'scons/scons-local-2.0.1/SCons/Debug.py') diff --git a/scons/scons-local-2.0.1/SCons/Debug.py b/scons/scons-local-2.0.1/SCons/Debug.py new file mode 100644 index 00000000..f4eb65f2 --- /dev/null +++ b/scons/scons-local-2.0.1/SCons/Debug.py @@ -0,0 +1,220 @@ +"""SCons.Debug + +Code for debugging SCons internal things. Shouldn't be +needed by most users. + +""" + +# +# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 The SCons Foundation +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY +# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE +# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# + +__revision__ = "src/engine/SCons/Debug.py 5134 2010/08/16 23:02:40 bdeegan" + +import os +import sys +import time +import weakref + +tracked_classes = {} + +def logInstanceCreation(instance, name=None): + if name is None: + name = instance.__class__.__name__ + if name not in tracked_classes: + tracked_classes[name] = [] + tracked_classes[name].append(weakref.ref(instance)) + +def string_to_classes(s): + if s == '*': + return sorted(tracked_classes.keys()) + else: + return s.split() + +def fetchLoggedInstances(classes="*"): + classnames = string_to_classes(classes) + return [(cn, len(tracked_classes[cn])) for cn in classnames] + +def countLoggedInstances(classes, file=sys.stdout): + for classname in string_to_classes(classes): + file.write("%s: %d\n" % (classname, len(tracked_classes[classname]))) + +def listLoggedInstances(classes, file=sys.stdout): + for classname in string_to_classes(classes): + file.write('\n%s:\n' % classname) + for ref in tracked_classes[classname]: + obj = ref() + if obj is not None: + file.write(' %s\n' % repr(obj)) + +def dumpLoggedInstances(classes, file=sys.stdout): + for classname in string_to_classes(classes): + file.write('\n%s:\n' % classname) + for ref in tracked_classes[classname]: + obj = ref() + if obj is not None: + file.write(' %s:\n' % obj) + for key, value in obj.__dict__.items(): + file.write(' %20s : %s\n' % (key, value)) + + + +if sys.platform[:5] == "linux": + # Linux doesn't actually support memory usage stats from getrusage(). + def memory(): + mstr = open('/proc/self/stat').read() + mstr = mstr.split()[22] + return int(mstr) +elif sys.platform[:6] == 'darwin': + #TODO really get memory stats for OS X + def memory(): + return 0 +else: + try: + import resource + except ImportError: + try: + import win32process + import win32api + except ImportError: + def memory(): + return 0 + else: + def memory(): + process_handle = win32api.GetCurrentProcess() + memory_info = win32process.GetProcessMemoryInfo( process_handle ) + return memory_info['PeakWorkingSetSize'] + else: + def memory(): + res = resource.getrusage(resource.RUSAGE_SELF) + return res[4] + +# returns caller's stack +def caller_stack(*backlist): + import traceback + if not backlist: + backlist = [0] + result = [] + for back in backlist: + tb = traceback.extract_stack(limit=3+back) + key = tb[0][:3] + result.append('%s:%d(%s)' % func_shorten(key)) + return result + +caller_bases = {} +caller_dicts = {} + +# trace a caller's stack +def caller_trace(back=0): + import traceback + tb = traceback.extract_stack(limit=3+back) + tb.reverse() + callee = tb[1][:3] + caller_bases[callee] = caller_bases.get(callee, 0) + 1 + for caller in tb[2:]: + caller = callee + caller[:3] + try: + entry = caller_dicts[callee] + except KeyError: + caller_dicts[callee] = entry = {} + entry[caller] = entry.get(caller, 0) + 1 + callee = caller + +# print a single caller and its callers, if any +def _dump_one_caller(key, file, level=0): + leader = ' '*level + for v,c in sorted([(-v,c) for c,v in caller_dicts[key].items()]): + file.write("%s %6d %s:%d(%s)\n" % ((leader,-v) + func_shorten(c[-3:]))) + if c in caller_dicts: + _dump_one_caller(c, file, level+1) + +# print each call tree +def dump_caller_counts(file=sys.stdout): + for k in sorted(caller_bases.keys()): + file.write("Callers of %s:%d(%s), %d calls:\n" + % (func_shorten(k) + (caller_bases[k],))) + _dump_one_caller(k, file) + +shorten_list = [ + ( '/scons/SCons/', 1), + ( '/src/engine/SCons/', 1), + ( '/usr/lib/python', 0), +] + +if os.sep != '/': + shorten_list = [(t[0].replace('/', os.sep), t[1]) for t in shorten_list] + +def func_shorten(func_tuple): + f = func_tuple[0] + for t in shorten_list: + i = f.find(t[0]) + if i >= 0: + if t[1]: + i = i + len(t[0]) + return (f[i:],)+func_tuple[1:] + return func_tuple + + +TraceFP = {} +if sys.platform == 'win32': + TraceDefault = 'con' +else: + TraceDefault = '/dev/tty' + +TimeStampDefault = None +StartTime = time.time() +PreviousTime = StartTime + +def Trace(msg, file=None, mode='w', tstamp=None): + """Write a trace message to a file. Whenever a file is specified, + it becomes the default for the next call to Trace().""" + global TraceDefault + global TimeStampDefault + global PreviousTime + if file is None: + file = TraceDefault + else: + TraceDefault = file + if tstamp is None: + tstamp = TimeStampDefault + else: + TimeStampDefault = tstamp + try: + fp = TraceFP[file] + except KeyError: + try: + fp = TraceFP[file] = open(file, mode) + except TypeError: + # Assume we were passed an open file pointer. + fp = file + if tstamp: + now = time.time() + fp.write('%8.4f %8.4f: ' % (now - StartTime, now - PreviousTime)) + PreviousTime = now + fp.write(msg) + fp.flush() + +# Local Variables: +# tab-width:4 +# indent-tabs-mode:nil +# End: +# vim: set expandtab tabstop=4 shiftwidth=4: -- cgit v1.2.3