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mirror of https://github.com/moparisthebest/SickRage synced 2024-12-12 19:12:26 -05:00
SickRage/lib/tvdb_api/tests/gprof2dot.py
echel0n 0d9fbc1ad7 Welcome to our SickBeard-TVRage Edition ...
This version of SickBeard uses both TVDB and TVRage to search and gather it's series data from allowing you to now have access to and download shows that you couldn't before because of being locked into only what TheTVDB had to offer.

Also this edition is based off the code we used in our XEM editon so it does come with scene numbering support as well as all the other features our XEM edition has to offer.

Please before using this with your existing database (sickbeard.db) please make a backup copy of it and delete any other database files such as cache.db and failed.db if present, we HIGHLY recommend starting out with no database files at all to make this a fresh start but the choice is at your own risk!

Enjoy!
2014-03-09 22:39:12 -07:00

1639 lines
52 KiB
Python

#!/usr/bin/env python2
#
# Copyright 2008 Jose Fonseca
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""Generate a dot graph from the output of several profilers."""
__author__ = "Jose Fonseca"
__version__ = "1.0"
import sys
import math
import os.path
import re
import textwrap
import optparse
try:
# Debugging helper module
import debug
except ImportError:
pass
def percentage(p):
return "%.02f%%" % (p*100.0,)
def add(a, b):
return a + b
def equal(a, b):
if a == b:
return a
else:
return None
def fail(a, b):
assert False
def ratio(numerator, denominator):
numerator = float(numerator)
denominator = float(denominator)
assert 0.0 <= numerator
assert numerator <= denominator
try:
return numerator/denominator
except ZeroDivisionError:
# 0/0 is undefined, but 1.0 yields more useful results
return 1.0
class UndefinedEvent(Exception):
"""Raised when attempting to get an event which is undefined."""
def __init__(self, event):
Exception.__init__(self)
self.event = event
def __str__(self):
return 'unspecified event %s' % self.event.name
class Event(object):
"""Describe a kind of event, and its basic operations."""
def __init__(self, name, null, aggregator, formatter = str):
self.name = name
self._null = null
self._aggregator = aggregator
self._formatter = formatter
def __eq__(self, other):
return self is other
def __hash__(self):
return id(self)
def null(self):
return self._null
def aggregate(self, val1, val2):
"""Aggregate two event values."""
assert val1 is not None
assert val2 is not None
return self._aggregator(val1, val2)
def format(self, val):
"""Format an event value."""
assert val is not None
return self._formatter(val)
MODULE = Event("Module", None, equal)
PROCESS = Event("Process", None, equal)
CALLS = Event("Calls", 0, add)
SAMPLES = Event("Samples", 0, add)
TIME = Event("Time", 0.0, add, lambda x: '(' + str(x) + ')')
TIME_RATIO = Event("Time ratio", 0.0, add, lambda x: '(' + percentage(x) + ')')
TOTAL_TIME = Event("Total time", 0.0, fail)
TOTAL_TIME_RATIO = Event("Total time ratio", 0.0, fail, percentage)
CALL_RATIO = Event("Call ratio", 0.0, add, percentage)
PRUNE_RATIO = Event("Prune ratio", 0.0, add, percentage)
class Object(object):
"""Base class for all objects in profile which can store events."""
def __init__(self, events=None):
if events is None:
self.events = {}
else:
self.events = events
def __hash__(self):
return id(self)
def __eq__(self, other):
return self is other
def __contains__(self, event):
return event in self.events
def __getitem__(self, event):
try:
return self.events[event]
except KeyError:
raise UndefinedEvent(event)
def __setitem__(self, event, value):
if value is None:
if event in self.events:
del self.events[event]
else:
self.events[event] = value
class Call(Object):
"""A call between functions.
There should be at most one call object for every pair of functions.
"""
def __init__(self, callee_id):
Object.__init__(self)
self.callee_id = callee_id
class Function(Object):
"""A function."""
def __init__(self, id, name):
Object.__init__(self)
self.id = id
self.name = name
self.calls = {}
self.cycle = None
def add_call(self, call):
if call.callee_id in self.calls:
sys.stderr.write('warning: overwriting call from function %s to %s\n' % (str(self.id), str(call.callee_id)))
self.calls[call.callee_id] = call
# TODO: write utility functions
def __repr__(self):
return self.name
class Cycle(Object):
"""A cycle made from recursive function calls."""
def __init__(self):
Object.__init__(self)
# XXX: Do cycles need an id?
self.functions = set()
def add_function(self, function):
assert function not in self.functions
self.functions.add(function)
# XXX: Aggregate events?
if function.cycle is not None:
for other in function.cycle.functions:
if function not in self.functions:
self.add_function(other)
function.cycle = self
class Profile(Object):
"""The whole profile."""
def __init__(self):
Object.__init__(self)
self.functions = {}
self.cycles = []
def add_function(self, function):
if function.id in self.functions:
sys.stderr.write('warning: overwriting function %s (id %s)\n' % (function.name, str(function.id)))
self.functions[function.id] = function
def add_cycle(self, cycle):
self.cycles.append(cycle)
def validate(self):
"""Validate the edges."""
for function in self.functions.itervalues():
for callee_id in function.calls.keys():
assert function.calls[callee_id].callee_id == callee_id
if callee_id not in self.functions:
sys.stderr.write('warning: call to undefined function %s from function %s\n' % (str(callee_id), function.name))
del function.calls[callee_id]
def find_cycles(self):
"""Find cycles using Tarjan's strongly connected components algorithm."""
# Apply the Tarjan's algorithm successively until all functions are visited
visited = set()
for function in self.functions.itervalues():
if function not in visited:
self._tarjan(function, 0, [], {}, {}, visited)
cycles = []
for function in self.functions.itervalues():
if function.cycle is not None and function.cycle not in cycles:
cycles.append(function.cycle)
self.cycles = cycles
if 0:
for cycle in cycles:
sys.stderr.write("Cycle:\n")
for member in cycle.functions:
sys.stderr.write("\t%s\n" % member.name)
def _tarjan(self, function, order, stack, orders, lowlinks, visited):
"""Tarjan's strongly connected components algorithm.
See also:
- http://en.wikipedia.org/wiki/Tarjan's_strongly_connected_components_algorithm
"""
visited.add(function)
orders[function] = order
lowlinks[function] = order
order += 1
pos = len(stack)
stack.append(function)
for call in function.calls.itervalues():
callee = self.functions[call.callee_id]
# TODO: use a set to optimize lookup
if callee not in orders:
order = self._tarjan(callee, order, stack, orders, lowlinks, visited)
lowlinks[function] = min(lowlinks[function], lowlinks[callee])
elif callee in stack:
lowlinks[function] = min(lowlinks[function], orders[callee])
if lowlinks[function] == orders[function]:
# Strongly connected component found
members = stack[pos:]
del stack[pos:]
if len(members) > 1:
cycle = Cycle()
for member in members:
cycle.add_function(member)
return order
def call_ratios(self, event):
# Aggregate for incoming calls
cycle_totals = {}
for cycle in self.cycles:
cycle_totals[cycle] = 0.0
function_totals = {}
for function in self.functions.itervalues():
function_totals[function] = 0.0
for function in self.functions.itervalues():
for call in function.calls.itervalues():
if call.callee_id != function.id:
callee = self.functions[call.callee_id]
function_totals[callee] += call[event]
if callee.cycle is not None and callee.cycle is not function.cycle:
cycle_totals[callee.cycle] += call[event]
# Compute the ratios
for function in self.functions.itervalues():
for call in function.calls.itervalues():
assert CALL_RATIO not in call
if call.callee_id != function.id:
callee = self.functions[call.callee_id]
if callee.cycle is not None and callee.cycle is not function.cycle:
total = cycle_totals[callee.cycle]
else:
total = function_totals[callee]
call[CALL_RATIO] = ratio(call[event], total)
def integrate(self, outevent, inevent):
"""Propagate function time ratio allong the function calls.
Must be called after finding the cycles.
See also:
- http://citeseer.ist.psu.edu/graham82gprof.html
"""
# Sanity checking
assert outevent not in self
for function in self.functions.itervalues():
assert outevent not in function
assert inevent in function
for call in function.calls.itervalues():
assert outevent not in call
if call.callee_id != function.id:
assert CALL_RATIO in call
# Aggregate the input for each cycle
for cycle in self.cycles:
total = inevent.null()
for function in self.functions.itervalues():
total = inevent.aggregate(total, function[inevent])
self[inevent] = total
# Integrate along the edges
total = inevent.null()
for function in self.functions.itervalues():
total = inevent.aggregate(total, function[inevent])
self._integrate_function(function, outevent, inevent)
self[outevent] = total
def _integrate_function(self, function, outevent, inevent):
if function.cycle is not None:
return self._integrate_cycle(function.cycle, outevent, inevent)
else:
if outevent not in function:
total = function[inevent]
for call in function.calls.itervalues():
if call.callee_id != function.id:
total += self._integrate_call(call, outevent, inevent)
function[outevent] = total
return function[outevent]
def _integrate_call(self, call, outevent, inevent):
assert outevent not in call
assert CALL_RATIO in call
callee = self.functions[call.callee_id]
subtotal = call[CALL_RATIO]*self._integrate_function(callee, outevent, inevent)
call[outevent] = subtotal
return subtotal
def _integrate_cycle(self, cycle, outevent, inevent):
if outevent not in cycle:
total = inevent.null()
for member in cycle.functions:
subtotal = member[inevent]
for call in member.calls.itervalues():
callee = self.functions[call.callee_id]
if callee.cycle is not cycle:
subtotal += self._integrate_call(call, outevent, inevent)
total += subtotal
cycle[outevent] = total
callees = {}
for function in self.functions.itervalues():
if function.cycle is not cycle:
for call in function.calls.itervalues():
callee = self.functions[call.callee_id]
if callee.cycle is cycle:
try:
callees[callee] += call[CALL_RATIO]
except KeyError:
callees[callee] = call[CALL_RATIO]
for callee, call_ratio in callees.iteritems():
ranks = {}
call_ratios = {}
partials = {}
self._rank_cycle_function(cycle, callee, 0, ranks)
self._call_ratios_cycle(cycle, callee, ranks, call_ratios, set())
partial = self._integrate_cycle_function(cycle, callee, call_ratio, partials, ranks, call_ratios, outevent, inevent)
assert partial == max(partials.values())
assert not total or abs(1.0 - partial/(call_ratio*total)) <= 0.001
return cycle[outevent]
def _rank_cycle_function(self, cycle, function, rank, ranks):
if function not in ranks or ranks[function] > rank:
ranks[function] = rank
for call in function.calls.itervalues():
if call.callee_id != function.id:
callee = self.functions[call.callee_id]
if callee.cycle is cycle:
self._rank_cycle_function(cycle, callee, rank + 1, ranks)
def _call_ratios_cycle(self, cycle, function, ranks, call_ratios, visited):
if function not in visited:
visited.add(function)
for call in function.calls.itervalues():
if call.callee_id != function.id:
callee = self.functions[call.callee_id]
if callee.cycle is cycle:
if ranks[callee] > ranks[function]:
call_ratios[callee] = call_ratios.get(callee, 0.0) + call[CALL_RATIO]
self._call_ratios_cycle(cycle, callee, ranks, call_ratios, visited)
def _integrate_cycle_function(self, cycle, function, partial_ratio, partials, ranks, call_ratios, outevent, inevent):
if function not in partials:
partial = partial_ratio*function[inevent]
for call in function.calls.itervalues():
if call.callee_id != function.id:
callee = self.functions[call.callee_id]
if callee.cycle is not cycle:
assert outevent in call
partial += partial_ratio*call[outevent]
else:
if ranks[callee] > ranks[function]:
callee_partial = self._integrate_cycle_function(cycle, callee, partial_ratio, partials, ranks, call_ratios, outevent, inevent)
call_ratio = ratio(call[CALL_RATIO], call_ratios[callee])
call_partial = call_ratio*callee_partial
try:
call[outevent] += call_partial
except UndefinedEvent:
call[outevent] = call_partial
partial += call_partial
partials[function] = partial
try:
function[outevent] += partial
except UndefinedEvent:
function[outevent] = partial
return partials[function]
def aggregate(self, event):
"""Aggregate an event for the whole profile."""
total = event.null()
for function in self.functions.itervalues():
try:
total = event.aggregate(total, function[event])
except UndefinedEvent:
return
self[event] = total
def ratio(self, outevent, inevent):
assert outevent not in self
assert inevent in self
for function in self.functions.itervalues():
assert outevent not in function
assert inevent in function
function[outevent] = ratio(function[inevent], self[inevent])
for call in function.calls.itervalues():
assert outevent not in call
if inevent in call:
call[outevent] = ratio(call[inevent], self[inevent])
self[outevent] = 1.0
def prune(self, node_thres, edge_thres):
"""Prune the profile"""
# compute the prune ratios
for function in self.functions.itervalues():
try:
function[PRUNE_RATIO] = function[TOTAL_TIME_RATIO]
except UndefinedEvent:
pass
for call in function.calls.itervalues():
callee = self.functions[call.callee_id]
if TOTAL_TIME_RATIO in call:
# handle exact cases first
call[PRUNE_RATIO] = call[TOTAL_TIME_RATIO]
else:
try:
# make a safe estimate
call[PRUNE_RATIO] = min(function[TOTAL_TIME_RATIO], callee[TOTAL_TIME_RATIO])
except UndefinedEvent:
pass
# prune the nodes
for function_id in self.functions.keys():
function = self.functions[function_id]
try:
if function[PRUNE_RATIO] < node_thres:
del self.functions[function_id]
except UndefinedEvent:
pass
# prune the egdes
for function in self.functions.itervalues():
for callee_id in function.calls.keys():
call = function.calls[callee_id]
try:
if callee_id not in self.functions or call[PRUNE_RATIO] < edge_thres:
del function.calls[callee_id]
except UndefinedEvent:
pass
def dump(self):
for function in self.functions.itervalues():
sys.stderr.write('Function %s:\n' % (function.name,))
self._dump_events(function.events)
for call in function.calls.itervalues():
callee = self.functions[call.callee_id]
sys.stderr.write(' Call %s:\n' % (callee.name,))
self._dump_events(call.events)
def _dump_events(self, events):
for event, value in events.iteritems():
sys.stderr.write(' %s: %s\n' % (event.name, event.format(value)))
class Struct:
"""Masquerade a dictionary with a structure-like behavior."""
def __init__(self, attrs = None):
if attrs is None:
attrs = {}
self.__dict__['_attrs'] = attrs
def __getattr__(self, name):
try:
return self._attrs[name]
except KeyError:
raise AttributeError(name)
def __setattr__(self, name, value):
self._attrs[name] = value
def __str__(self):
return str(self._attrs)
def __repr__(self):
return repr(self._attrs)
class ParseError(Exception):
"""Raised when parsing to signal mismatches."""
def __init__(self, msg, line):
self.msg = msg
# TODO: store more source line information
self.line = line
def __str__(self):
return '%s: %r' % (self.msg, self.line)
class Parser:
"""Parser interface."""
def __init__(self):
pass
def parse(self):
raise NotImplementedError
class LineParser(Parser):
"""Base class for parsers that read line-based formats."""
def __init__(self, file):
Parser.__init__(self)
self._file = file
self.__line = None
self.__eof = False
def readline(self):
line = self._file.readline()
if not line:
self.__line = ''
self.__eof = True
self.__line = line.rstrip('\r\n')
def lookahead(self):
assert self.__line is not None
return self.__line
def consume(self):
assert self.__line is not None
line = self.__line
self.readline()
return line
def eof(self):
assert self.__line is not None
return self.__eof
class GprofParser(Parser):
"""Parser for GNU gprof output.
See also:
- Chapter "Interpreting gprof's Output" from the GNU gprof manual
http://sourceware.org/binutils/docs-2.18/gprof/Call-Graph.html#Call-Graph
- File "cg_print.c" from the GNU gprof source code
http://sourceware.org/cgi-bin/cvsweb.cgi/~checkout~/src/gprof/cg_print.c?rev=1.12&cvsroot=src
"""
def __init__(self, fp):
Parser.__init__(self)
self.fp = fp
self.functions = {}
self.cycles = {}
def readline(self):
line = self.fp.readline()
if not line:
sys.stderr.write('error: unexpected end of file\n')
sys.exit(1)
line = line.rstrip('\r\n')
return line
_int_re = re.compile(r'^\d+$')
_float_re = re.compile(r'^\d+\.\d+$')
def translate(self, mo):
"""Extract a structure from a match object, while translating the types in the process."""
attrs = {}
groupdict = mo.groupdict()
for name, value in groupdict.iteritems():
if value is None:
value = None
elif self._int_re.match(value):
value = int(value)
elif self._float_re.match(value):
value = float(value)
attrs[name] = (value)
return Struct(attrs)
_cg_header_re = re.compile(
# original gprof header
r'^\s+called/total\s+parents\s*$|' +
r'^index\s+%time\s+self\s+descendents\s+called\+self\s+name\s+index\s*$|' +
r'^\s+called/total\s+children\s*$|' +
# GNU gprof header
r'^index\s+%\s+time\s+self\s+children\s+called\s+name\s*$'
)
_cg_ignore_re = re.compile(
# spontaneous
r'^\s+<spontaneous>\s*$|'
# internal calls (such as "mcount")
r'^.*\((\d+)\)$'
)
_cg_primary_re = re.compile(
r'^\[(?P<index>\d+)\]' +
r'\s+(?P<percentage_time>\d+\.\d+)' +
r'\s+(?P<self>\d+\.\d+)' +
r'\s+(?P<descendants>\d+\.\d+)' +
r'\s+(?:(?P<called>\d+)(?:\+(?P<called_self>\d+))?)?' +
r'\s+(?P<name>\S.*?)' +
r'(?:\s+<cycle\s(?P<cycle>\d+)>)?' +
r'\s\[(\d+)\]$'
)
_cg_parent_re = re.compile(
r'^\s+(?P<self>\d+\.\d+)?' +
r'\s+(?P<descendants>\d+\.\d+)?' +
r'\s+(?P<called>\d+)(?:/(?P<called_total>\d+))?' +
r'\s+(?P<name>\S.*?)' +
r'(?:\s+<cycle\s(?P<cycle>\d+)>)?' +
r'\s\[(?P<index>\d+)\]$'
)
_cg_child_re = _cg_parent_re
_cg_cycle_header_re = re.compile(
r'^\[(?P<index>\d+)\]' +
r'\s+(?P<percentage_time>\d+\.\d+)' +
r'\s+(?P<self>\d+\.\d+)' +
r'\s+(?P<descendants>\d+\.\d+)' +
r'\s+(?:(?P<called>\d+)(?:\+(?P<called_self>\d+))?)?' +
r'\s+<cycle\s(?P<cycle>\d+)\sas\sa\swhole>' +
r'\s\[(\d+)\]$'
)
_cg_cycle_member_re = re.compile(
r'^\s+(?P<self>\d+\.\d+)?' +
r'\s+(?P<descendants>\d+\.\d+)?' +
r'\s+(?P<called>\d+)(?:\+(?P<called_self>\d+))?' +
r'\s+(?P<name>\S.*?)' +
r'(?:\s+<cycle\s(?P<cycle>\d+)>)?' +
r'\s\[(?P<index>\d+)\]$'
)
_cg_sep_re = re.compile(r'^--+$')
def parse_function_entry(self, lines):
parents = []
children = []
while True:
if not lines:
sys.stderr.write('warning: unexpected end of entry\n')
line = lines.pop(0)
if line.startswith('['):
break
# read function parent line
mo = self._cg_parent_re.match(line)
if not mo:
if self._cg_ignore_re.match(line):
continue
sys.stderr.write('warning: unrecognized call graph entry: %r\n' % line)
else:
parent = self.translate(mo)
parents.append(parent)
# read primary line
mo = self._cg_primary_re.match(line)
if not mo:
sys.stderr.write('warning: unrecognized call graph entry: %r\n' % line)
return
else:
function = self.translate(mo)
while lines:
line = lines.pop(0)
# read function subroutine line
mo = self._cg_child_re.match(line)
if not mo:
if self._cg_ignore_re.match(line):
continue
sys.stderr.write('warning: unrecognized call graph entry: %r\n' % line)
else:
child = self.translate(mo)
children.append(child)
function.parents = parents
function.children = children
self.functions[function.index] = function
def parse_cycle_entry(self, lines):
# read cycle header line
line = lines[0]
mo = self._cg_cycle_header_re.match(line)
if not mo:
sys.stderr.write('warning: unrecognized call graph entry: %r\n' % line)
return
cycle = self.translate(mo)
# read cycle member lines
cycle.functions = []
for line in lines[1:]:
mo = self._cg_cycle_member_re.match(line)
if not mo:
sys.stderr.write('warning: unrecognized call graph entry: %r\n' % line)
continue
call = self.translate(mo)
cycle.functions.append(call)
self.cycles[cycle.cycle] = cycle
def parse_cg_entry(self, lines):
if lines[0].startswith("["):
self.parse_cycle_entry(lines)
else:
self.parse_function_entry(lines)
def parse_cg(self):
"""Parse the call graph."""
# skip call graph header
while not self._cg_header_re.match(self.readline()):
pass
line = self.readline()
while self._cg_header_re.match(line):
line = self.readline()
# process call graph entries
entry_lines = []
while line != '\014': # form feed
if line and not line.isspace():
if self._cg_sep_re.match(line):
self.parse_cg_entry(entry_lines)
entry_lines = []
else:
entry_lines.append(line)
line = self.readline()
def parse(self):
self.parse_cg()
self.fp.close()
profile = Profile()
profile[TIME] = 0.0
cycles = {}
for index in self.cycles.iterkeys():
cycles[index] = Cycle()
for entry in self.functions.itervalues():
# populate the function
function = Function(entry.index, entry.name)
function[TIME] = entry.self
if entry.called is not None:
function[CALLS] = entry.called
if entry.called_self is not None:
call = Call(entry.index)
call[CALLS] = entry.called_self
function[CALLS] += entry.called_self
# populate the function calls
for child in entry.children:
call = Call(child.index)
assert child.called is not None
call[CALLS] = child.called
if child.index not in self.functions:
# NOTE: functions that were never called but were discovered by gprof's
# static call graph analysis dont have a call graph entry so we need
# to add them here
missing = Function(child.index, child.name)
function[TIME] = 0.0
function[CALLS] = 0
profile.add_function(missing)
function.add_call(call)
profile.add_function(function)
if entry.cycle is not None:
cycles[entry.cycle].add_function(function)
profile[TIME] = profile[TIME] + function[TIME]
for cycle in cycles.itervalues():
profile.add_cycle(cycle)
# Compute derived events
profile.validate()
profile.ratio(TIME_RATIO, TIME)
profile.call_ratios(CALLS)
profile.integrate(TOTAL_TIME, TIME)
profile.ratio(TOTAL_TIME_RATIO, TOTAL_TIME)
return profile
class OprofileParser(LineParser):
"""Parser for oprofile callgraph output.
See also:
- http://oprofile.sourceforge.net/doc/opreport.html#opreport-callgraph
"""
_fields_re = {
'samples': r'(?P<samples>\d+)',
'%': r'(?P<percentage>\S+)',
'linenr info': r'(?P<source>\(no location information\)|\S+:\d+)',
'image name': r'(?P<image>\S+(?:\s\(tgid:[^)]*\))?)',
'app name': r'(?P<application>\S+)',
'symbol name': r'(?P<symbol>\(no symbols\)|.+?)',
}
def __init__(self, infile):
LineParser.__init__(self, infile)
self.entries = {}
self.entry_re = None
def add_entry(self, callers, function, callees):
try:
entry = self.entries[function.id]
except KeyError:
self.entries[function.id] = (callers, function, callees)
else:
callers_total, function_total, callees_total = entry
self.update_subentries_dict(callers_total, callers)
function_total.samples += function.samples
self.update_subentries_dict(callees_total, callees)
def update_subentries_dict(self, totals, partials):
for partial in partials.itervalues():
try:
total = totals[partial.id]
except KeyError:
totals[partial.id] = partial
else:
total.samples += partial.samples
def parse(self):
# read lookahead
self.readline()
self.parse_header()
while self.lookahead():
self.parse_entry()
profile = Profile()
reverse_call_samples = {}
# populate the profile
profile[SAMPLES] = 0
for _callers, _function, _callees in self.entries.itervalues():
function = Function(_function.id, _function.name)
function[SAMPLES] = _function.samples
profile.add_function(function)
profile[SAMPLES] += _function.samples
if _function.application:
function[PROCESS] = os.path.basename(_function.application)
if _function.image:
function[MODULE] = os.path.basename(_function.image)
total_callee_samples = 0
for _callee in _callees.itervalues():
total_callee_samples += _callee.samples
for _callee in _callees.itervalues():
if not _callee.self:
call = Call(_callee.id)
call[SAMPLES] = _callee.samples
function.add_call(call)
# compute derived data
profile.validate()
profile.find_cycles()
profile.ratio(TIME_RATIO, SAMPLES)
profile.call_ratios(SAMPLES)
profile.integrate(TOTAL_TIME_RATIO, TIME_RATIO)
return profile
def parse_header(self):
while not self.match_header():
self.consume()
line = self.lookahead()
fields = re.split(r'\s\s+', line)
entry_re = r'^\s*' + r'\s+'.join([self._fields_re[field] for field in fields]) + r'(?P<self>\s+\[self\])?$'
self.entry_re = re.compile(entry_re)
self.skip_separator()
def parse_entry(self):
callers = self.parse_subentries()
if self.match_primary():
function = self.parse_subentry()
if function is not None:
callees = self.parse_subentries()
self.add_entry(callers, function, callees)
self.skip_separator()
def parse_subentries(self):
subentries = {}
while self.match_secondary():
subentry = self.parse_subentry()
subentries[subentry.id] = subentry
return subentries
def parse_subentry(self):
entry = Struct()
line = self.consume()
mo = self.entry_re.match(line)
if not mo:
raise ParseError('failed to parse', line)
fields = mo.groupdict()
entry.samples = int(fields.get('samples', 0))
entry.percentage = float(fields.get('percentage', 0.0))
if 'source' in fields and fields['source'] != '(no location information)':
source = fields['source']
filename, lineno = source.split(':')
entry.filename = filename
entry.lineno = int(lineno)
else:
source = ''
entry.filename = None
entry.lineno = None
entry.image = fields.get('image', '')
entry.application = fields.get('application', '')
if 'symbol' in fields and fields['symbol'] != '(no symbols)':
entry.symbol = fields['symbol']
else:
entry.symbol = ''
if entry.symbol.startswith('"') and entry.symbol.endswith('"'):
entry.symbol = entry.symbol[1:-1]
entry.id = ':'.join((entry.application, entry.image, source, entry.symbol))
entry.self = fields.get('self', None) != None
if entry.self:
entry.id += ':self'
if entry.symbol:
entry.name = entry.symbol
else:
entry.name = entry.image
return entry
def skip_separator(self):
while not self.match_separator():
self.consume()
self.consume()
def match_header(self):
line = self.lookahead()
return line.startswith('samples')
def match_separator(self):
line = self.lookahead()
return line == '-'*len(line)
def match_primary(self):
line = self.lookahead()
return not line[:1].isspace()
def match_secondary(self):
line = self.lookahead()
return line[:1].isspace()
class SharkParser(LineParser):
"""Parser for MacOSX Shark output.
Author: tom@dbservice.com
"""
def __init__(self, infile):
LineParser.__init__(self, infile)
self.stack = []
self.entries = {}
def add_entry(self, function):
try:
entry = self.entries[function.id]
except KeyError:
self.entries[function.id] = (function, { })
else:
function_total, callees_total = entry
function_total.samples += function.samples
def add_callee(self, function, callee):
func, callees = self.entries[function.id]
try:
entry = callees[callee.id]
except KeyError:
callees[callee.id] = callee
else:
entry.samples += callee.samples
def parse(self):
self.readline()
self.readline()
self.readline()
self.readline()
match = re.compile(r'(?P<prefix>[|+ ]*)(?P<samples>\d+), (?P<symbol>[^,]+), (?P<image>.*)')
while self.lookahead():
line = self.consume()
mo = match.match(line)
if not mo:
raise ParseError('failed to parse', line)
fields = mo.groupdict()
prefix = len(fields.get('prefix', 0)) / 2 - 1
symbol = str(fields.get('symbol', 0))
image = str(fields.get('image', 0))
entry = Struct()
entry.id = ':'.join([symbol, image])
entry.samples = int(fields.get('samples', 0))
entry.name = symbol
entry.image = image
# adjust the callstack
if prefix < len(self.stack):
del self.stack[prefix:]
if prefix == len(self.stack):
self.stack.append(entry)
# if the callstack has had an entry, it's this functions caller
if prefix > 0:
self.add_callee(self.stack[prefix - 1], entry)
self.add_entry(entry)
profile = Profile()
profile[SAMPLES] = 0
for _function, _callees in self.entries.itervalues():
function = Function(_function.id, _function.name)
function[SAMPLES] = _function.samples
profile.add_function(function)
profile[SAMPLES] += _function.samples
if _function.image:
function[MODULE] = os.path.basename(_function.image)
for _callee in _callees.itervalues():
call = Call(_callee.id)
call[SAMPLES] = _callee.samples
function.add_call(call)
# compute derived data
profile.validate()
profile.find_cycles()
profile.ratio(TIME_RATIO, SAMPLES)
profile.call_ratios(SAMPLES)
profile.integrate(TOTAL_TIME_RATIO, TIME_RATIO)
return profile
class PstatsParser:
"""Parser python profiling statistics saved with te pstats module."""
def __init__(self, *filename):
import pstats
self.stats = pstats.Stats(*filename)
self.profile = Profile()
self.function_ids = {}
def get_function_name(self, (filename, line, name)):
module = os.path.splitext(filename)[0]
module = os.path.basename(module)
return "%s:%d:%s" % (module, line, name)
def get_function(self, key):
try:
id = self.function_ids[key]
except KeyError:
id = len(self.function_ids)
name = self.get_function_name(key)
function = Function(id, name)
self.profile.functions[id] = function
self.function_ids[key] = id
else:
function = self.profile.functions[id]
return function
def parse(self):
self.profile[TIME] = 0.0
self.profile[TOTAL_TIME] = self.stats.total_tt
for fn, (cc, nc, tt, ct, callers) in self.stats.stats.iteritems():
callee = self.get_function(fn)
callee[CALLS] = nc
callee[TOTAL_TIME] = ct
callee[TIME] = tt
self.profile[TIME] += tt
self.profile[TOTAL_TIME] = max(self.profile[TOTAL_TIME], ct)
for fn, value in callers.iteritems():
caller = self.get_function(fn)
call = Call(callee.id)
if isinstance(value, tuple):
for i in xrange(0, len(value), 4):
nc, cc, tt, ct = value[i:i+4]
if CALLS in call:
call[CALLS] += cc
else:
call[CALLS] = cc
if TOTAL_TIME in call:
call[TOTAL_TIME] += ct
else:
call[TOTAL_TIME] = ct
else:
call[CALLS] = value
call[TOTAL_TIME] = ratio(value, nc)*ct
caller.add_call(call)
#self.stats.print_stats()
#self.stats.print_callees()
# Compute derived events
self.profile.validate()
self.profile.ratio(TIME_RATIO, TIME)
self.profile.ratio(TOTAL_TIME_RATIO, TOTAL_TIME)
return self.profile
class Theme:
def __init__(self,
bgcolor = (0.0, 0.0, 1.0),
mincolor = (0.0, 0.0, 0.0),
maxcolor = (0.0, 0.0, 1.0),
fontname = "Arial",
minfontsize = 10.0,
maxfontsize = 10.0,
minpenwidth = 0.5,
maxpenwidth = 4.0,
gamma = 2.2):
self.bgcolor = bgcolor
self.mincolor = mincolor
self.maxcolor = maxcolor
self.fontname = fontname
self.minfontsize = minfontsize
self.maxfontsize = maxfontsize
self.minpenwidth = minpenwidth
self.maxpenwidth = maxpenwidth
self.gamma = gamma
def graph_bgcolor(self):
return self.hsl_to_rgb(*self.bgcolor)
def graph_fontname(self):
return self.fontname
def graph_fontsize(self):
return self.minfontsize
def node_bgcolor(self, weight):
return self.color(weight)
def node_fgcolor(self, weight):
return self.graph_bgcolor()
def node_fontsize(self, weight):
return self.fontsize(weight)
def edge_color(self, weight):
return self.color(weight)
def edge_fontsize(self, weight):
return self.fontsize(weight)
def edge_penwidth(self, weight):
return max(weight*self.maxpenwidth, self.minpenwidth)
def edge_arrowsize(self, weight):
return 0.5 * math.sqrt(self.edge_penwidth(weight))
def fontsize(self, weight):
return max(weight**2 * self.maxfontsize, self.minfontsize)
def color(self, weight):
weight = min(max(weight, 0.0), 1.0)
hmin, smin, lmin = self.mincolor
hmax, smax, lmax = self.maxcolor
h = hmin + weight*(hmax - hmin)
s = smin + weight*(smax - smin)
l = lmin + weight*(lmax - lmin)
return self.hsl_to_rgb(h, s, l)
def hsl_to_rgb(self, h, s, l):
"""Convert a color from HSL color-model to RGB.
See also:
- http://www.w3.org/TR/css3-color/#hsl-color
"""
h = h % 1.0
s = min(max(s, 0.0), 1.0)
l = min(max(l, 0.0), 1.0)
if l <= 0.5:
m2 = l*(s + 1.0)
else:
m2 = l + s - l*s
m1 = l*2.0 - m2
r = self._hue_to_rgb(m1, m2, h + 1.0/3.0)
g = self._hue_to_rgb(m1, m2, h)
b = self._hue_to_rgb(m1, m2, h - 1.0/3.0)
# Apply gamma correction
r **= self.gamma
g **= self.gamma
b **= self.gamma
return (r, g, b)
def _hue_to_rgb(self, m1, m2, h):
if h < 0.0:
h += 1.0
elif h > 1.0:
h -= 1.0
if h*6 < 1.0:
return m1 + (m2 - m1)*h*6.0
elif h*2 < 1.0:
return m2
elif h*3 < 2.0:
return m1 + (m2 - m1)*(2.0/3.0 - h)*6.0
else:
return m1
TEMPERATURE_COLORMAP = Theme(
mincolor = (2.0/3.0, 0.80, 0.25), # dark blue
maxcolor = (0.0, 1.0, 0.5), # satured red
gamma = 1.0
)
PINK_COLORMAP = Theme(
mincolor = (0.0, 1.0, 0.90), # pink
maxcolor = (0.0, 1.0, 0.5), # satured red
)
GRAY_COLORMAP = Theme(
mincolor = (0.0, 0.0, 0.85), # light gray
maxcolor = (0.0, 0.0, 0.0), # black
)
BW_COLORMAP = Theme(
minfontsize = 8.0,
maxfontsize = 24.0,
mincolor = (0.0, 0.0, 0.0), # black
maxcolor = (0.0, 0.0, 0.0), # black
minpenwidth = 0.1,
maxpenwidth = 8.0,
)
class DotWriter:
"""Writer for the DOT language.
See also:
- "The DOT Language" specification
http://www.graphviz.org/doc/info/lang.html
"""
def __init__(self, fp):
self.fp = fp
def graph(self, profile, theme):
self.begin_graph()
fontname = theme.graph_fontname()
self.attr('graph', fontname=fontname, ranksep=0.25, nodesep=0.125)
self.attr('node', fontname=fontname, shape="box", style="filled,rounded", fontcolor="white", width=0, height=0)
self.attr('edge', fontname=fontname)
for function in profile.functions.itervalues():
labels = []
for event in PROCESS, MODULE:
if event in function.events:
label = event.format(function[event])
labels.append(label)
labels.append(function.name)
for event in TOTAL_TIME_RATIO, TIME_RATIO, CALLS:
if event in function.events:
label = event.format(function[event])
labels.append(label)
try:
weight = function[PRUNE_RATIO]
except UndefinedEvent:
weight = 0.0
label = '\n'.join(labels)
self.node(function.id,
label = label,
color = self.color(theme.node_bgcolor(weight)),
fontcolor = self.color(theme.node_fgcolor(weight)),
fontsize = "%.2f" % theme.node_fontsize(weight),
)
for call in function.calls.itervalues():
callee = profile.functions[call.callee_id]
labels = []
for event in TOTAL_TIME_RATIO, CALLS:
if event in call.events:
label = event.format(call[event])
labels.append(label)
try:
weight = call[PRUNE_RATIO]
except UndefinedEvent:
try:
weight = callee[PRUNE_RATIO]
except UndefinedEvent:
weight = 0.0
label = '\n'.join(labels)
self.edge(function.id, call.callee_id,
label = label,
color = self.color(theme.edge_color(weight)),
fontcolor = self.color(theme.edge_color(weight)),
fontsize = "%.2f" % theme.edge_fontsize(weight),
penwidth = "%.2f" % theme.edge_penwidth(weight),
labeldistance = "%.2f" % theme.edge_penwidth(weight),
arrowsize = "%.2f" % theme.edge_arrowsize(weight),
)
self.end_graph()
def begin_graph(self):
self.write('digraph {\n')
def end_graph(self):
self.write('}\n')
def attr(self, what, **attrs):
self.write("\t")
self.write(what)
self.attr_list(attrs)
self.write(";\n")
def node(self, node, **attrs):
self.write("\t")
self.id(node)
self.attr_list(attrs)
self.write(";\n")
def edge(self, src, dst, **attrs):
self.write("\t")
self.id(src)
self.write(" -> ")
self.id(dst)
self.attr_list(attrs)
self.write(";\n")
def attr_list(self, attrs):
if not attrs:
return
self.write(' [')
first = True
for name, value in attrs.iteritems():
if first:
first = False
else:
self.write(", ")
self.id(name)
self.write('=')
self.id(value)
self.write(']')
def id(self, id):
if isinstance(id, (int, float)):
s = str(id)
elif isinstance(id, str):
if id.isalnum():
s = id
else:
s = self.escape(id)
else:
raise TypeError
self.write(s)
def color(self, (r, g, b)):
def float2int(f):
if f <= 0.0:
return 0
if f >= 1.0:
return 255
return int(255.0*f + 0.5)
return "#" + "".join(["%02x" % float2int(c) for c in (r, g, b)])
def escape(self, s):
s = s.encode('utf-8')
s = s.replace('\\', r'\\')
s = s.replace('\n', r'\n')
s = s.replace('\t', r'\t')
s = s.replace('"', r'\"')
return '"' + s + '"'
def write(self, s):
self.fp.write(s)
class Main:
"""Main program."""
themes = {
"color": TEMPERATURE_COLORMAP,
"pink": PINK_COLORMAP,
"gray": GRAY_COLORMAP,
"bw": BW_COLORMAP,
}
def main(self):
"""Main program."""
parser = optparse.OptionParser(
usage="\n\t%prog [options] [file] ...",
version="%%prog %s" % __version__)
parser.add_option(
'-o', '--output', metavar='FILE',
type="string", dest="output",
help="output filename [stdout]")
parser.add_option(
'-n', '--node-thres', metavar='PERCENTAGE',
type="float", dest="node_thres", default=0.5,
help="eliminate nodes below this threshold [default: %default]")
parser.add_option(
'-e', '--edge-thres', metavar='PERCENTAGE',
type="float", dest="edge_thres", default=0.1,
help="eliminate edges below this threshold [default: %default]")
parser.add_option(
'-f', '--format',
type="choice", choices=('prof', 'oprofile', 'pstats', 'shark'),
dest="format", default="prof",
help="profile format: prof, oprofile, or pstats [default: %default]")
parser.add_option(
'-c', '--colormap',
type="choice", choices=('color', 'pink', 'gray', 'bw'),
dest="theme", default="color",
help="color map: color, pink, gray, or bw [default: %default]")
parser.add_option(
'-s', '--strip',
action="store_true",
dest="strip", default=False,
help="strip function parameters, template parameters, and const modifiers from demangled C++ function names")
parser.add_option(
'-w', '--wrap',
action="store_true",
dest="wrap", default=False,
help="wrap function names")
(self.options, self.args) = parser.parse_args(sys.argv[1:])
if len(self.args) > 1 and self.options.format != 'pstats':
parser.error('incorrect number of arguments')
try:
self.theme = self.themes[self.options.theme]
except KeyError:
parser.error('invalid colormap \'%s\'' % self.options.theme)
if self.options.format == 'prof':
if not self.args:
fp = sys.stdin
else:
fp = open(self.args[0], 'rt')
parser = GprofParser(fp)
elif self.options.format == 'oprofile':
if not self.args:
fp = sys.stdin
else:
fp = open(self.args[0], 'rt')
parser = OprofileParser(fp)
elif self.options.format == 'pstats':
if not self.args:
parser.error('at least a file must be specified for pstats input')
parser = PstatsParser(*self.args)
elif self.options.format == 'shark':
if not self.args:
fp = sys.stdin
else:
fp = open(self.args[0], 'rt')
parser = SharkParser(fp)
else:
parser.error('invalid format \'%s\'' % self.options.format)
self.profile = parser.parse()
if self.options.output is None:
self.output = sys.stdout
else:
self.output = open(self.options.output, 'wt')
self.write_graph()
_parenthesis_re = re.compile(r'\([^()]*\)')
_angles_re = re.compile(r'<[^<>]*>')
_const_re = re.compile(r'\s+const$')
def strip_function_name(self, name):
"""Remove extraneous information from C++ demangled function names."""
# Strip function parameters from name by recursively removing paired parenthesis
while True:
name, n = self._parenthesis_re.subn('', name)
if not n:
break
# Strip const qualifier
name = self._const_re.sub('', name)
# Strip template parameters from name by recursively removing paired angles
while True:
name, n = self._angles_re.subn('', name)
if not n:
break
return name
def wrap_function_name(self, name):
"""Split the function name on multiple lines."""
if len(name) > 32:
ratio = 2.0/3.0
height = max(int(len(name)/(1.0 - ratio) + 0.5), 1)
width = max(len(name)/height, 32)
# TODO: break lines in symbols
name = textwrap.fill(name, width, break_long_words=False)
# Take away spaces
name = name.replace(", ", ",")
name = name.replace("> >", ">>")
name = name.replace("> >", ">>") # catch consecutive
return name
def compress_function_name(self, name):
"""Compress function name according to the user preferences."""
if self.options.strip:
name = self.strip_function_name(name)
if self.options.wrap:
name = self.wrap_function_name(name)
# TODO: merge functions with same resulting name
return name
def write_graph(self):
dot = DotWriter(self.output)
profile = self.profile
profile.prune(self.options.node_thres/100.0, self.options.edge_thres/100.0)
for function in profile.functions.itervalues():
function.name = self.compress_function_name(function.name)
dot.graph(profile, self.theme)
if __name__ == '__main__':
Main().main()