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Commit 3adfa360 authored by mikhail.naganov@gmail.com's avatar mikhail.naganov@gmail.com
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Remove old Python version of tickprocessor 

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6922 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
parent 15c9091a
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tools/linux-tick-processor.py deleted 100755 → 0
View file @ 15c9091a
#!/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()
tools/splaytree.py deleted 100644 → 0
View file @ 15c9091a
# 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.
class Node(object):
"""Nodes in the splay tree."""
def __init__(self, key, value):
self.key = key
self.value = value
self.left = None
self.right = None
class KeyNotFoundError(Exception):
"""KeyNotFoundError is raised when removing a non-existing node."""
def __init__(self, key):
self.key = key
class SplayTree(object):
"""The splay tree itself is just a reference to the root of the tree."""
def __init__(self):
"""Create a new SplayTree."""
self.root = None
def IsEmpty(self):
"""Is the SplayTree empty?"""
return not self.root
def Insert(self, key, value):
"""Insert a new node in the SplayTree."""
# If the tree is empty, insert the new node.
if self.IsEmpty():
self.root = Node(key, value)
return
# Splay on the key to move the last node on the search path for
# the key to the root of the tree.
self.Splay(key)
# Ignore repeated insertions with the same key.
if self.root.key == key:
return
# Insert the new node.
node = Node(key, value)
if key > self.root.key:
node.left = self.root
node.right = self.root.right
self.root.right = None
else:
node.right = self.root
node.left = self.root.left
self.root.left = None
self.root = node
def Remove(self, key):
"""Remove the node with the given key from the SplayTree."""
# Raise exception for key that is not found if the tree is empty.
if self.IsEmpty():
raise KeyNotFoundError(key)
# Splay on the key to move the node with the given key to the top.
self.Splay(key)
# Raise exception for key that is not found.
if self.root.key != key:
raise KeyNotFoundError(key)
removed = self.root
# Link out the root node.
if not self.root.left:
# No left child, so the new tree is just the right child.
self.root = self.root.right
else:
# Left child exists.
right = self.root.right
# Make the original left child the new root.
self.root = self.root.left
# Splay to make sure that the new root has an empty right child.
self.Splay(key)
# Insert the original right child as the right child of the new
# root.
self.root.right = right
return removed
def Find(self, key):
"""Returns the node with the given key or None if no such node exists."""
if self.IsEmpty():
return None
self.Splay(key)
if self.root.key == key:
return self.root
return None
def FindMax(self):
"""Returns the node with the largest key value."""
if self.IsEmpty():
return None
current = self.root
while current.right != None:
current = current.right
return current
# Returns the node with the smallest key value.
def FindMin(self):
if self.IsEmpty():
return None
current = self.root
while current.left != None:
current = current.left
return current
def FindGreatestsLessThan(self, key):
"""Returns node with greatest key less than or equal to the given key."""
if self.IsEmpty():
return None
# Splay on the key to move the node with the given key or the last
# node on the search path to the top of the tree.
self.Splay(key)
# Now the result is either the root node or the greatest node in
# the left subtree.
if self.root.key <= key:
return self.root
else:
tmp = self.root
self.root = self.root.left
result = self.FindMax()
self.root = tmp
return result
def ExportValueList(self):
"""Returns a list containing all the values of the nodes in the tree."""
result = []
nodes_to_visit = [self.root]
while len(nodes_to_visit) > 0:
node = nodes_to_visit.pop()
if not node:
continue
result.append(node.value)
nodes_to_visit.append(node.left)
nodes_to_visit.append(node.right)
return result
def Splay(self, key):
"""Perform splay operation.
Perform the splay operation for the given key. Moves the node with
the given key to the top of the tree. If no node has the given
key, the last node on the search path is moved to the top of the
tree.
This uses the simplified top-down splaying algorithm from:
"Self-adjusting Binary Search Trees" by Sleator and Tarjan
"""
if self.IsEmpty():
return
# Create a dummy node. The use of the dummy node is a bit
# counter-intuitive: The right child of the dummy node will hold
# the L tree of the algorithm. The left child of the dummy node
# will hold the R tree of the algorithm. Using a dummy node, left
# and right will always be nodes and we avoid special cases.
dummy = left = right = Node(None, None)
current = self.root
while True:
if key < current.key:
if not current.left:
break
if key < current.left.key:
# Rotate right.
tmp = current.left
current.left = tmp.right
tmp.right = current
current = tmp
if not current.left:
break
# Link right.
right.left = current
right = current
current = current.left
elif key > current.key:
if not current.right:
break
if key > current.right.key:
# Rotate left.
tmp = current.right
current.right = tmp.left
tmp.left = current
current = tmp
if not current.right:
break
# Link left.
left.right = current
left = current
current = current.right
else:
break
# Assemble.
left.right = current.left
right.left = current.right
current.left = dummy.right
current.right = dummy.left
self.root = current
tools/tickprocessor.py deleted 100644 → 0
View file @ 15c9091a
# 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.
import csv, splaytree, sys, re
from operator import itemgetter
import getopt, os, string
class CodeEntry(object):
def __init__(self, start_addr, name):
self.start_addr = start_addr
self.tick_count = 0
self.name = name
self.stacks = {}
def Tick(self, pc, stack):
self.tick_count += 1
if len(stack) > 0:
stack.insert(0, self.ToString())
stack_key = tuple(stack)
self.stacks[stack_key] = self.stacks.setdefault(stack_key, 0) + 1
def RegionTicks(self):
return None
def SetStartAddress(self, start_addr):
self.start_addr = start_addr
def ToString(self):
return self.name
def IsSharedLibraryEntry(self):
return False
def IsICEntry(self):
return False
def IsJSFunction(self):
return False
class SharedLibraryEntry(CodeEntry):
def __init__(self, start_addr, name):
CodeEntry.__init__(self, start_addr, name)
def IsSharedLibraryEntry(self):
return True
class JSCodeEntry(CodeEntry):
def __init__(self, start_addr, name, type, size, assembler):
CodeEntry.__init__(self, start_addr, name)
self.type = type
self.size = size
self.assembler = assembler
self.region_ticks = None
self.builtin_ic_re = re.compile('^(Keyed)?(Call|Load|Store)IC_')
def Tick(self, pc, stack):
super(JSCodeEntry, self).Tick(pc, stack)
if not pc is None:
offset = pc - self.start_addr
seen = []
narrowest = None
narrowest_width = None
for region in self.Regions():
if region.Contains(offset):
if (not region.name in seen):
seen.append(region.name)
if narrowest is None or region.Width() < narrowest.Width():
narrowest = region
if len(seen) == 0:
return
if self.region_ticks is None:
self.region_ticks = {}
for name in seen:
if not name in self.region_ticks:
self.region_ticks[name] = [0, 0]
self.region_ticks[name][0] += 1
if name == narrowest.name:
self.region_ticks[name][1] += 1
def RegionTicks(self):
return self.region_ticks
def Regions(self):
if self.assembler:
return self.assembler.regions
else:
return []
def ToString(self):
name = self.name
if name == '':
name = '<anonymous>'
elif name.startswith(' '):
name = '<anonymous>' + name
return self.type + ': ' + name
def IsICEntry(self):
return self.type in ('CallIC', 'LoadIC', 'StoreIC') or \
(self.type == 'Builtin' and self.builtin_ic_re.match(self.name))
def IsJSFunction(self):
return self.type in ('Function', 'LazyCompile', 'Script')
class CodeRegion(object):
def __init__(self, start_offset, name):
self.start_offset = start_offset
self.name = name
self.end_offset = None
def Contains(self, pc):
return (self.start_offset <= pc) and (pc <= self.end_offset)
def Width(self):
return self.end_offset - self.start_offset
class Assembler(object):
def __init__(self):
# Mapping from region ids to open regions
self.pending_regions = {}
self.regions = []
class FunctionEnumerator(object):
def __init__(self):
self.known_funcs = {}
self.next_func_id = 0
def GetFunctionId(self, name):
if not self.known_funcs.has_key(name):
self.known_funcs[name] = self.next_func_id
self.next_func_id += 1
return self.known_funcs[name]
def GetKnownFunctions(self):
known_funcs_items = self.known_funcs.items();
known_funcs_items.sort(key = itemgetter(1))
result = []
for func, id_not_used in known_funcs_items:
result.append(func)
return result
VMStates = { 'JS': 0, 'GC': 1, 'COMPILER': 2, 'OTHER': 3, 'EXTERNAL' : 4 }
class TickProcessor(object):
def __init__(self):
self.log_file = ''
self.deleted_code = []
self.vm_extent = {}
# Map from assembler ids to the pending assembler objects
self.pending_assemblers = {}
# Map from code addresses the have been allocated but not yet officially
# created to their assemblers.
self.assemblers = {}
self.js_entries = splaytree.SplayTree()
self.cpp_entries = splaytree.SplayTree()
self.total_number_of_ticks = 0
self.number_of_library_ticks = 0
self.unaccounted_number_of_ticks = 0
self.excluded_number_of_ticks = 0
self.number_of_gc_ticks = 0
# Flag indicating whether to ignore unaccounted ticks in the report
self.ignore_unknown = False
self.func_enum = FunctionEnumerator()
self.packed_stacks = []
def ProcessLogfile(self, filename, included_state = None, ignore_unknown = False, separate_ic = False, call_graph_json = False):
self.log_file = filename
self.included_state = included_state
self.ignore_unknown = ignore_unknown
self.separate_ic = separate_ic
self.call_graph_json = call_graph_json
try:
logfile = open(filename, 'rb')
except IOError:
sys.exit("Could not open logfile: " + filename)
try:
try:
logreader = csv.reader(logfile)
row_num = 1
for row in logreader:
row_num += 1
if row[0] == 'tick':
self.ProcessTick(int(row[1], 16), int(row[2], 16), int(row[3], 16), int(row[4]), self.PreprocessStack(row[5:]))
elif row[0] == 'code-creation':
self.ProcessCodeCreation(row[1], int(row[2], 16), int(row[3]), row[4])
elif row[0] == 'code-move':
self.ProcessCodeMove(int(row[1], 16), int(row[2], 16))
elif row[0] == 'code-delete':
self.ProcessCodeDelete(int(row[1], 16))
elif row[0] == 'function-creation':
self.ProcessFunctionCreation(int(row[1], 16), int(row[2], 16))
elif row[0] == 'function-move':
self.ProcessFunctionMove(int(row[1], 16), int(row[2], 16))
elif row[0] == 'function-delete':
self.ProcessFunctionDelete(int(row[1], 16))
elif row[0] == 'shared-library':
self.AddSharedLibraryEntry(row[1], int(row[2], 16), int(row[3], 16))
self.ParseVMSymbols(row[1], int(row[2], 16), int(row[3], 16))
elif row[0] == 'begin-code-region':
self.ProcessBeginCodeRegion(int(row[1], 16), int(row[2], 16), int(row[3], 16), row[4])
elif row[0] == 'end-code-region':
self.ProcessEndCodeRegion(int(row[1], 16), int(row[2], 16), int(row[3], 16))
elif row[0] == 'code-allocate':
self.ProcessCodeAllocate(int(row[1], 16), int(row[2], 16))
except csv.Error:
print("parse error in line " + str(row_num))
raise
finally:
logfile.close()
def AddSharedLibraryEntry(self, filename, start, end):
# Mark the pages used by this library.
i = start
while i < end:
page = i >> 12
self.vm_extent[page] = 1
i += 4096
# Add the library to the entries so that ticks for which we do not
# have symbol information is reported as belonging to the library.
self.cpp_entries.Insert(start, SharedLibraryEntry(start, filename))
def ParseVMSymbols(self, filename, start, end):
return
def ProcessCodeAllocate(self, addr, assem):
if assem in self.pending_assemblers:
assembler = self.pending_assemblers.pop(assem)
self.assemblers[addr] = assembler
def ProcessCodeCreation(self, type, addr, size, name):
if addr in self.assemblers:
assembler = self.assemblers.pop(addr)
else:
assembler = None
self.js_entries.Insert(addr, JSCodeEntry(addr, name, type, size, assembler))
def ProcessCodeMove(self, from_addr, to_addr):
try:
removed_node = self.js_entries.Remove(from_addr)
removed_node.value.SetStartAddress(to_addr);
self.js_entries.Insert(to_addr, removed_node.value)
except splaytree.KeyNotFoundError:
print('Code move event for unknown code: 0x%x' % from_addr)
def ProcessCodeDelete(self, from_addr):
try:
removed_node = self.js_entries.Remove(from_addr)
self.deleted_code.append(removed_node.value)
except splaytree.KeyNotFoundError:
print('Code delete event for unknown code: 0x%x' % from_addr)
def ProcessFunctionCreation(self, func_addr, code_addr):
js_entry_node = self.js_entries.Find(code_addr)
if js_entry_node:
js_entry = js_entry_node.value
self.js_entries.Insert(func_addr, JSCodeEntry(func_addr, js_entry.name, js_entry.type, 1, None))
def ProcessFunctionMove(self, from_addr, to_addr):
try:
removed_node = self.js_entries.Remove(from_addr)
removed_node.value.SetStartAddress(to_addr);
self.js_entries.Insert(to_addr, removed_node.value)
except splaytree.KeyNotFoundError:
return
def ProcessFunctionDelete(self, from_addr):
try:
removed_node = self.js_entries.Remove(from_addr)
self.deleted_code.append(removed_node.value)
except splaytree.KeyNotFoundError:
return
def ProcessBeginCodeRegion(self, id, assm, start, name):
if not assm in self.pending_assemblers:
self.pending_assemblers[assm] = Assembler()
assembler = self.pending_assemblers[assm]
assembler.pending_regions[id] = CodeRegion(start, name)
def ProcessEndCodeRegion(self, id, assm, end):
assm = self.pending_assemblers[assm]
region = assm.pending_regions.pop(id)
region.end_offset = end
assm.regions.append(region)
def IncludeTick(self, pc, sp, state):
return (self.included_state is None) or (self.included_state == state)
def FindEntry(self, pc):
page = pc >> 12
if page in self.vm_extent:
entry = self.cpp_entries.FindGreatestsLessThan(pc)
if entry != None:
return entry.value
else:
return entry
max = self.js_entries.FindMax()
min = self.js_entries.FindMin()
if max != None and pc < (max.key + max.value.size) and pc > min.key:
return self.js_entries.FindGreatestsLessThan(pc).value
return None
def PreprocessStack(self, stack):
# remove all non-addresses (e.g. 'overflow') and convert to int
result = []
for frame in stack:
if frame.startswith('0x'):
result.append(int(frame, 16))
return result
def ProcessStack(self, stack):
result = []
for frame in stack:
entry = self.FindEntry(frame)
if entry != None:
result.append(entry.ToString())
return result
def ProcessTick(self, pc, sp, func, state, stack):
if state == VMStates['GC']:
self.number_of_gc_ticks += 1
if not self.IncludeTick(pc, sp, state):
self.excluded_number_of_ticks += 1;
return
self.total_number_of_ticks += 1
entry = self.FindEntry(pc)
if entry == None:
self.unaccounted_number_of_ticks += 1
return
if entry.IsSharedLibraryEntry():
self.number_of_library_ticks += 1
if entry.IsICEntry() and not self.separate_ic:
if len(stack) > 0:
caller_pc = stack.pop(0)
self.total_number_of_ticks -= 1
self.ProcessTick(caller_pc, sp, func, state, stack)
else:
self.unaccounted_number_of_ticks += 1
else:
processed_stack = self.ProcessStack(stack)
if not entry.IsSharedLibraryEntry() and not entry.IsJSFunction():
func_entry_node = self.js_entries.Find(func)
if func_entry_node and func_entry_node.value.IsJSFunction():
processed_stack.insert(0, func_entry_node.value.ToString())
entry.Tick(pc, processed_stack)
if self.call_graph_json:
self.AddToPackedStacks(pc, stack)
def AddToPackedStacks(self, pc, stack):
full_stack = stack
full_stack.insert(0, pc)
func_names = self.ProcessStack(full_stack)
func_ids = []
for func in func_names:
func_ids.append(self.func_enum.GetFunctionId(func))
self.packed_stacks.append(func_ids)
def PrintResults(self):
if not self.call_graph_json:
self.PrintStatistics()
else:
self.PrintCallGraphJSON()
def PrintStatistics(self):
print('Statistical profiling result from %s, (%d ticks, %d unaccounted, %d excluded).' %
(self.log_file,
self.total_number_of_ticks,
self.unaccounted_number_of_ticks,
self.excluded_number_of_ticks))
if self.total_number_of_ticks > 0:
js_entries = self.js_entries.ExportValueList()
js_entries.extend(self.deleted_code)
cpp_entries = self.cpp_entries.ExportValueList()
# Print the unknown ticks percentage if they are not ignored.
if not self.ignore_unknown and self.unaccounted_number_of_ticks > 0:
self.PrintHeader('Unknown')
self.PrintCounter(self.unaccounted_number_of_ticks)
# Print the library ticks.
self.PrintHeader('Shared libraries')
self.PrintEntries(cpp_entries, lambda e:e.IsSharedLibraryEntry())
# Print the JavaScript ticks.
self.PrintHeader('JavaScript')
self.PrintEntries(js_entries, lambda e:not e.IsSharedLibraryEntry())
# Print the C++ ticks.
self.PrintHeader('C++')
self.PrintEntries(cpp_entries, lambda e:not e.IsSharedLibraryEntry())
# Print the GC ticks.
self.PrintHeader('GC')
self.PrintCounter(self.number_of_gc_ticks)
# Print call profile.
print('\n [Call profile]:')
print(' total call path')
js_entries.extend(cpp_entries)
self.PrintCallProfile(js_entries)
def PrintHeader(self, header_title):
print('\n [%s]:' % header_title)
print(' ticks total nonlib name')
def PrintCounter(self, ticks_count):
percentage = ticks_count * 100.0 / self.total_number_of_ticks
print(' %(ticks)5d %(total)5.1f%%' % {
'ticks' : ticks_count,
'total' : percentage,
})
def PrintEntries(self, entries, condition):
# If ignoring unaccounted ticks don't include these in percentage
# calculations
number_of_accounted_ticks = self.total_number_of_ticks
if self.ignore_unknown:
number_of_accounted_ticks -= self.unaccounted_number_of_ticks
number_of_non_library_ticks = number_of_accounted_ticks - self.number_of_library_ticks
entries.sort(key=lambda e: (e.tick_count, e.ToString()), reverse=True)
for entry in entries:
if entry.tick_count > 0 and condition(entry):
total_percentage = entry.tick_count * 100.0 / number_of_accounted_ticks
if entry.IsSharedLibraryEntry():
non_library_percentage = 0
else:
non_library_percentage = entry.tick_count * 100.0 / number_of_non_library_ticks
print(' %(ticks)5d %(total)5.1f%% %(nonlib)6.1f%% %(name)s' % {
'ticks' : entry.tick_count,
'total' : total_percentage,
'nonlib' : non_library_percentage,
'name' : entry.ToString()
})
region_ticks = entry.RegionTicks()
if not region_ticks is None:
items = region_ticks.items()
items.sort(key=lambda e: e[1][1], reverse=True)
for (name, ticks) in items:
print(' flat cum')
print(' %(flat)5.1f%% %(accum)5.1f%% %(name)s' % {
'flat' : ticks[1] * 100.0 / entry.tick_count,
'accum' : ticks[0] * 100.0 / entry.tick_count,
'name': name
})
def PrintCallProfile(self, entries):
all_stacks = {}
total_stacks = 0
for entry in entries:
all_stacks.update(entry.stacks)
for count in entry.stacks.itervalues():
total_stacks += count
all_stacks_items = all_stacks.items();
all_stacks_items.sort(key = itemgetter(1), reverse=True)
missing_percentage = (self.total_number_of_ticks - total_stacks) * 100.0 / self.total_number_of_ticks
print(' %(ticks)5d %(total)5.1f%% <no call path information>' % {
'ticks' : self.total_number_of_ticks - total_stacks,
'total' : missing_percentage
})
for stack, count in all_stacks_items:
total_percentage = count * 100.0 / self.total_number_of_ticks
print(' %(ticks)5d %(total)5.1f%% %(call_path)s' % {
'ticks' : count,
'total' : total_percentage,
'call_path' : stack[0] + ' <- ' + stack[1]
})
def PrintCallGraphJSON(self):
print('\nvar __profile_funcs = ["' +
'",\n"'.join(self.func_enum.GetKnownFunctions()) +
'"];')
print('var __profile_ticks = [')
str_packed_stacks = []
for stack in self.packed_stacks:
str_packed_stacks.append('[' + ','.join(map(str, stack)) + ']')
print(',\n'.join(str_packed_stacks))
print('];')
class CmdLineProcessor(object):
def __init__(self):
self.options = ["js",
"gc",
"compiler",
"other",
"external",
"ignore-unknown",
"separate-ic",
"call-graph-json"]
# default values
self.state = None
self.ignore_unknown = False
self.log_file = None
self.separate_ic = False
self.call_graph_json = False
def ProcessArguments(self):
try:
opts, args = getopt.getopt(sys.argv[1:], "jgcoe", self.options)
except getopt.GetoptError:
self.PrintUsageAndExit()
for key, value in opts:
if key in ("-j", "--js"):
self.state = VMStates['JS']
if key in ("-g", "--gc"):
self.state = VMStates['GC']
if key in ("-c", "--compiler"):
self.state = VMStates['COMPILER']
if key in ("-o", "--other"):
self.state = VMStates['OTHER']
if key in ("-e", "--external"):
self.state = VMStates['EXTERNAL']
if key in ("--ignore-unknown"):
self.ignore_unknown = True
if key in ("--separate-ic"):
self.separate_ic = True
if key in ("--call-graph-json"):
self.call_graph_json = True
self.ProcessRequiredArgs(args)
def ProcessRequiredArgs(self, args):
return
def GetRequiredArgsNames(self):
return
def PrintUsageAndExit(self):
print('Usage: %(script_name)s --{%(opts)s} %(req_opts)s' % {
'script_name': os.path.basename(sys.argv[0]),
'opts': string.join(self.options, ','),
'req_opts': self.GetRequiredArgsNames()
})
sys.exit(2)
def RunLogfileProcessing(self, tick_processor):
tick_processor.ProcessLogfile(self.log_file, self.state, self.ignore_unknown,
self.separate_ic, self.call_graph_json)
if __name__ == '__main__':
sys.exit('You probably want to run windows-tick-processor.py or linux-tick-processor.py.')
tools/windows-tick-processor.py deleted 100755 → 0
View file @ 15c9091a
#!/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 <binary> <logfile>
#
# Where <binary> is the binary program name (eg, v8_shell.exe) and
# <logfile> is the log file name (eg, v8.log).
#
# This tick processor expects to find a map file for the binary named
# binary.map if the binary is named binary.exe. The tick processor
# only works for statically linked executables - no information about
# shared libraries is logged from v8 on Windows.
import os, re, sys, tickprocessor
class WindowsTickProcessor(tickprocessor.TickProcessor):
def Unmangle(self, name):
"""Performs very simple unmangling of C++ names.
Does not handle arguments and template arguments. The mangled names have
the form:
?LookupInDescriptor@JSObject@internal@v8@@...arguments info...
"""
# Name is mangled if it starts with a question mark.
is_mangled = re.match("^\?(.*)", name)
if is_mangled:
substrings = is_mangled.group(1).split('@')
try:
# The function name is terminated by two @s in a row. Find the
# substrings that are part of the function name.
index = substrings.index('')
substrings = substrings[0:index]
except ValueError:
# If we did not find two @s in a row, the mangled name is not in
# the format we expect and we give up.
return name
substrings.reverse()
function_name = "::".join(substrings)
return function_name
return name
def ParseMapFile(self, filename):
"""Parse map file and add symbol information to the cpp entries."""
# Locate map file.
has_dot = re.match('^([a-zA-F0-9_-]*)[\.]?.*$', filename)
if has_dot:
map_file_name = has_dot.group(1) + '.map'
try:
map_file = open(map_file_name, 'rb')
except IOError:
sys.exit("Could not open map file: " + map_file_name)
else:
sys.exit("Could not find map file for executable: " + filename)
try:
max_addr = 0
min_addr = 2**30
# Process map file and search for function entries.
row_regexp = re.compile(' 0001:[0-9a-fA-F]{8}\s*([_\?@$0-9a-zA-Z]*)\s*([0-9a-fA-F]{8}).*')
for line in map_file:
row = re.match(row_regexp, line)
if row:
addr = int(row.group(2), 16)
if addr > max_addr:
max_addr = addr
if addr < min_addr:
min_addr = addr
mangled_name = row.group(1)
name = self.Unmangle(mangled_name)
self.cpp_entries.Insert(addr, tickprocessor.CodeEntry(addr, name));
i = min_addr
# Mark the pages for which there are functions in the map file.
while i < max_addr:
page = i >> 12
self.vm_extent[page] = 1
i += 4096
finally:
map_file.close()
class WindowsCmdLineProcessor(tickprocessor.CmdLineProcessor):
def __init__(self):
super(WindowsCmdLineProcessor, self).__init__()
self.binary_file = None
def GetRequiredArgsNames(self):
return 'binary log_file'
def ProcessRequiredArgs(self, args):
if len(args) != 2:
self.PrintUsageAndExit()
else:
self.binary_file = args[0]
self.log_file = args[1]
def Main():
cmdline_processor = WindowsCmdLineProcessor()
cmdline_processor.ProcessArguments()
tickprocessor = WindowsTickProcessor()
tickprocessor.ParseMapFile(cmdline_processor.binary_file)
cmdline_processor.RunLogfileProcessing(tickprocessor)
tickprocessor.PrintResults()
if __name__ == '__main__':
Main()
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