mark module as deaddev

Change-Id: I97cc8c13f62b1dce18509de0b6947115b305233a
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 0 insertions, 472 deletions

diff --git a/src/3rdparty/v8/tools/stats-viewer.py b/src/3rdparty/v8/tools/stats-viewer.py
deleted file mode 100755
index ab8e287..0000000
--- a/src/3rdparty/v8/tools/stats-viewer.py
+++ /dev/null
@@ -1,472 +0,0 @@
-#!/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.
-
-
-"""A cross-platform execution counter viewer.
-
-The stats viewer reads counters from a binary file and displays them
-in a window, re-reading and re-displaying with regular intervals.
-"""
-
-import mmap
-import optparse
-import os
-import re
-import struct
-import sys
-import time
-import Tkinter
-
-
-# The interval, in milliseconds, between ui updates
-UPDATE_INTERVAL_MS = 100
-
-
-# Mapping from counter prefix to the formatting to be used for the counter
-COUNTER_LABELS = {"t": "%i ms.", "c": "%i"}
-
-
-# The magic numbers used to check if a file is not a counters file
-COUNTERS_FILE_MAGIC_NUMBER = 0xDEADFACE
-CHROME_COUNTERS_FILE_MAGIC_NUMBER = 0x13131313
-
-
-class StatsViewer(object):
-  """The main class that keeps the data used by the stats viewer."""
-
-  def __init__(self, data_name, name_filter):
-    """Creates a new instance.
-
-    Args:
-      data_name: the name of the file containing the counters.
-      name_filter: The regexp filter to apply to counter names.
-    """
-    self.data_name = data_name
-    self.name_filter = name_filter
-
-    # The handle created by mmap.mmap to the counters file.  We need
-    # this to clean it up on exit.
-    self.shared_mmap = None
-
-    # A mapping from counter names to the ui element that displays
-    # them
-    self.ui_counters = {}
-
-    # The counter collection used to access the counters file
-    self.data = None
-
-    # The Tkinter root window object
-    self.root = None
-
-  def Run(self):
-    """The main entry-point to running the stats viewer."""
-    try:
-      self.data = self.MountSharedData()
-      # OpenWindow blocks until the main window is closed
-      self.OpenWindow()
-    finally:
-      self.CleanUp()
-
-  def MountSharedData(self):
-    """Mount the binary counters file as a memory-mapped file.  If
-    something goes wrong print an informative message and exit the
-    program."""
-    if not os.path.exists(self.data_name):
-      maps_name = "/proc/%s/maps" % self.data_name
-      if not os.path.exists(maps_name):
-        print "\"%s\" is neither a counter file nor a PID." % self.data_name
-        sys.exit(1)
-      maps_file = open(maps_name, "r")
-      try:
-        self.data_name = None
-        for m in re.finditer(r"/dev/shm/\S*", maps_file.read()):
-          if os.path.exists(m.group(0)):
-            self.data_name = m.group(0)
-            break
-        if self.data_name is None:
-          print "Can't find counter file in maps for PID %s." % self.data_name
-          sys.exit(1)
-      finally:
-        maps_file.close()
-    data_file = open(self.data_name, "r")
-    size = os.fstat(data_file.fileno()).st_size
-    fileno = data_file.fileno()
-    self.shared_mmap = mmap.mmap(fileno, size, access=mmap.ACCESS_READ)
-    data_access = SharedDataAccess(self.shared_mmap)
-    if data_access.IntAt(0) == COUNTERS_FILE_MAGIC_NUMBER:
-      return CounterCollection(data_access)
-    elif data_access.IntAt(0) == CHROME_COUNTERS_FILE_MAGIC_NUMBER:
-      return ChromeCounterCollection(data_access)
-    print "File %s is not stats data." % self.data_name
-    sys.exit(1)
-
-  def CleanUp(self):
-    """Cleans up the memory mapped file if necessary."""
-    if self.shared_mmap:
-      self.shared_mmap.close()
-
-  def UpdateCounters(self):
-    """Read the contents of the memory-mapped file and update the ui if
-    necessary.  If the same counters are present in the file as before
-    we just update the existing labels.  If any counters have been added
-    or removed we scrap the existing ui and draw a new one.
-    """
-    changed = False
-    counters_in_use = self.data.CountersInUse()
-    if counters_in_use != len(self.ui_counters):
-      self.RefreshCounters()
-      changed = True
-    else:
-      for i in xrange(self.data.CountersInUse()):
-        counter = self.data.Counter(i)
-        name = counter.Name()
-        if name in self.ui_counters:
-          value = counter.Value()
-          ui_counter = self.ui_counters[name]
-          counter_changed = ui_counter.Set(value)
-          changed = (changed or counter_changed)
-        else:
-          self.RefreshCounters()
-          changed = True
-          break
-    if changed:
-      # The title of the window shows the last time the file was
-      # changed.
-      self.UpdateTime()
-    self.ScheduleUpdate()
-
-  def UpdateTime(self):
-    """Update the title of the window with the current time."""
-    self.root.title("Stats Viewer [updated %s]" % time.strftime("%H:%M:%S"))
-
-  def ScheduleUpdate(self):
-    """Schedules the next ui update."""
-    self.root.after(UPDATE_INTERVAL_MS, lambda: self.UpdateCounters())
-
-  def RefreshCounters(self):
-    """Tear down and rebuild the controls in the main window."""
-    counters = self.ComputeCounters()
-    self.RebuildMainWindow(counters)
-
-  def ComputeCounters(self):
-    """Group the counters by the suffix of their name.
-
-    Since the same code-level counter (for instance "X") can result in
-    several variables in the binary counters file that differ only by a
-    two-character prefix (for instance "c:X" and "t:X") counters are
-    grouped by suffix and then displayed with custom formatting
-    depending on their prefix.
-
-    Returns:
-      A mapping from suffixes to a list of counters with that suffix,
-      sorted by prefix.
-    """
-    names = {}
-    for i in xrange(self.data.CountersInUse()):
-      counter = self.data.Counter(i)
-      name = counter.Name()
-      names[name] = counter
-
-    # By sorting the keys we ensure that the prefixes always come in the
-    # same order ("c:" before "t:") which looks more consistent in the
-    # ui.
-    sorted_keys = names.keys()
-    sorted_keys.sort()
-
-    # Group together the names whose suffix after a ':' are the same.
-    groups = {}
-    for name in sorted_keys:
-      counter = names[name]
-      if ":" in name:
-        name = name[name.find(":")+1:]
-      if not name in groups:
-        groups[name] = []
-      groups[name].append(counter)
-
-    return groups
-
-  def RebuildMainWindow(self, groups):
-    """Tear down and rebuild the main window.
-
-    Args:
-      groups: the groups of counters to display
-    """
-    # Remove elements in the current ui
-    self.ui_counters.clear()
-    for child in self.root.children.values():
-      child.destroy()
-
-    # Build new ui
-    index = 0
-    sorted_groups = groups.keys()
-    sorted_groups.sort()
-    for counter_name in sorted_groups:
-      counter_objs = groups[counter_name]
-      if self.name_filter.match(counter_name):
-        name = Tkinter.Label(self.root, width=50, anchor=Tkinter.W,
-                             text=counter_name)
-        name.grid(row=index, column=0, padx=1, pady=1)
-      count = len(counter_objs)
-      for i in xrange(count):
-        counter = counter_objs[i]
-        name = counter.Name()
-        var = Tkinter.StringVar()
-        if self.name_filter.match(name):
-          value = Tkinter.Label(self.root, width=15, anchor=Tkinter.W,
-                                textvariable=var)
-          value.grid(row=index, column=(1 + i), padx=1, pady=1)
-
-        # If we know how to interpret the prefix of this counter then
-        # add an appropriate formatting to the variable
-        if (":" in name) and (name[0] in COUNTER_LABELS):
-          format = COUNTER_LABELS[name[0]]
-        else:
-          format = "%i"
-        ui_counter = UiCounter(var, format)
-        self.ui_counters[name] = ui_counter
-        ui_counter.Set(counter.Value())
-      index += 1
-    self.root.update()
-
-  def OpenWindow(self):
-    """Create and display the root window."""
-    self.root = Tkinter.Tk()
-
-    # Tkinter is no good at resizing so we disable it
-    self.root.resizable(width=False, height=False)
-    self.RefreshCounters()
-    self.ScheduleUpdate()
-    self.root.mainloop()
-
-
-class UiCounter(object):
-  """A counter in the ui."""
-
-  def __init__(self, var, format):
-    """Creates a new ui counter.
-
-    Args:
-      var: the Tkinter string variable for updating the ui
-      format: the format string used to format this counter
-    """
-    self.var = var
-    self.format = format
-    self.last_value = None
-
-  def Set(self, value):
-    """Updates the ui for this counter.
-
-    Args:
-      value: The value to display
-
-    Returns:
-      True if the value had changed, otherwise False.  The first call
-      always returns True.
-    """
-    if value == self.last_value:
-      return False
-    else:
-      self.last_value = value
-      self.var.set(self.format % value)
-      return True
-
-
-class SharedDataAccess(object):
-  """A utility class for reading data from the memory-mapped binary
-  counters file."""
-
-  def __init__(self, data):
-    """Create a new instance.
-
-    Args:
-      data: A handle to the memory-mapped file, as returned by mmap.mmap.
-    """
-    self.data = data
-
-  def ByteAt(self, index):
-    """Return the (unsigned) byte at the specified byte index."""
-    return ord(self.CharAt(index))
-
-  def IntAt(self, index):
-    """Return the little-endian 32-byte int at the specified byte index."""
-    word_str = self.data[index:index+4]
-    result, = struct.unpack("I", word_str)
-    return result
-
-  def CharAt(self, index):
-    """Return the ascii character at the specified byte index."""
-    return self.data[index]
-
-
-class Counter(object):
-  """A pointer to a single counter withing a binary counters file."""
-
-  def __init__(self, data, offset):
-    """Create a new instance.
-
-    Args:
-      data: the shared data access object containing the counter
-      offset: the byte offset of the start of this counter
-    """
-    self.data = data
-    self.offset = offset
-
-  def Value(self):
-    """Return the integer value of this counter."""
-    return self.data.IntAt(self.offset)
-
-  def Name(self):
-    """Return the ascii name of this counter."""
-    result = ""
-    index = self.offset + 4
-    current = self.data.ByteAt(index)
-    while current:
-      result += chr(current)
-      index += 1
-      current = self.data.ByteAt(index)
-    return result
-
-
-class CounterCollection(object):
-  """An overlay over a counters file that provides access to the
-  individual counters contained in the file."""
-
-  def __init__(self, data):
-    """Create a new instance.
-
-    Args:
-      data: the shared data access object
-    """
-    self.data = data
-    self.max_counters = data.IntAt(4)
-    self.max_name_size = data.IntAt(8)
-
-  def CountersInUse(self):
-    """Return the number of counters in active use."""
-    return self.data.IntAt(12)
-
-  def Counter(self, index):
-    """Return the index'th counter."""
-    return Counter(self.data, 16 + index * self.CounterSize())
-
-  def CounterSize(self):
-    """Return the size of a single counter."""
-    return 4 + self.max_name_size
-
-
-class ChromeCounter(object):
-  """A pointer to a single counter withing a binary counters file."""
-
-  def __init__(self, data, name_offset, value_offset):
-    """Create a new instance.
-
-    Args:
-      data: the shared data access object containing the counter
-      name_offset: the byte offset of the start of this counter's name
-      value_offset: the byte offset of the start of this counter's value
-    """
-    self.data = data
-    self.name_offset = name_offset
-    self.value_offset = value_offset
-
-  def Value(self):
-    """Return the integer value of this counter."""
-    return self.data.IntAt(self.value_offset)
-
-  def Name(self):
-    """Return the ascii name of this counter."""
-    result = ""
-    index = self.name_offset
-    current = self.data.ByteAt(index)
-    while current:
-      result += chr(current)
-      index += 1
-      current = self.data.ByteAt(index)
-    return result
-
-
-class ChromeCounterCollection(object):
-  """An overlay over a counters file that provides access to the
-  individual counters contained in the file."""
-
-  _HEADER_SIZE = 4 * 4
-  _COUNTER_NAME_SIZE = 64
-  _THREAD_NAME_SIZE = 32
-
-  def __init__(self, data):
-    """Create a new instance.
-
-    Args:
-      data: the shared data access object
-    """
-    self.data = data
-    self.max_counters = data.IntAt(8)
-    self.max_threads = data.IntAt(12)
-    self.counter_names_offset = \
-        self._HEADER_SIZE + self.max_threads * (self._THREAD_NAME_SIZE + 2 * 4)
-    self.counter_values_offset = \
-        self.counter_names_offset + self.max_counters * self._COUNTER_NAME_SIZE
-
-  def CountersInUse(self):
-    """Return the number of counters in active use."""
-    for i in xrange(self.max_counters):
-      name_offset = self.counter_names_offset + i * self._COUNTER_NAME_SIZE
-      if self.data.ByteAt(name_offset) == 0:
-        return i
-    return self.max_counters
-
-  def Counter(self, i):
-    """Return the i'th counter."""
-    name_offset = self.counter_names_offset + i * self._COUNTER_NAME_SIZE
-    value_offset = self.counter_values_offset + i * self.max_threads * 4
-    return ChromeCounter(self.data, name_offset, value_offset)
-
-
-def Main(data_file, name_filter):
-  """Run the stats counter.
-
-  Args:
-    data_file: The counters file to monitor.
-    name_filter: The regexp filter to apply to counter names.
-  """
-  StatsViewer(data_file, name_filter).Run()
-
-
-if __name__ == "__main__":
-  parser = optparse.OptionParser("usage: %prog [--filter=re] "
-                                 "<stats data>|<test_shell pid>")
-  parser.add_option("--filter",
-                    default=".*",
-                    help=("regexp filter for counter names "
-                          "[default: %default]"))
-  (options, args) = parser.parse_args()
-  if len(args) != 1:
-    parser.print_help()
-    sys.exit(1)
-  Main(args[0], re.compile(options.filter))