util: Remove homegrown Windows KM profiler.

It's not sampling based so its results are biased towards functions called
many times.

1 files changed, 0 insertions, 309 deletions

diff --git a/bin/win32kprof.py b/bin/win32kprof.py
deleted file mode 100755
index c36317d23ae..00000000000
--- a/bin/win32kprof.py
+++ /dev/null
@@ -1,309 +0,0 @@
-#!/usr/bin/env python
-##########################################################################
-# 
-# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
-# All Rights Reserved.
-# 
-# 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, sub license, 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 (including the
-# next paragraph) 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 NON-INFRINGEMENT.
-# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
-# 
-##########################################################################
-
-
-import sys
-import optparse
-import re
-import struct
-
-from gprof2dot import Call, Function, Profile
-from gprof2dot import CALLS, SAMPLES, TIME, TIME_RATIO, TOTAL_TIME, TOTAL_TIME_RATIO
-from gprof2dot import DotWriter, TEMPERATURE_COLORMAP
-
-
-__version__ = '0.1'
-
-
-class ParseError(Exception):
-    pass
-
-
-class MsvcDemangler:
-    # http://www.kegel.com/mangle.html
-
-    def __init__(self, symbol):
-        self._symbol = symbol
-        self._pos = 0
-
-    def lookahead(self):
-        return self._symbol[self._pos]
-
-    def consume(self):
-        ret = self.lookahead()
-        self._pos += 1
-        return ret
-    
-    def match(self, c):
-        if self.lookahead() != c:
-            raise ParseError
-        self.consume()
-
-    def parse(self):
-        self.match('?')
-        name = self.parse_name()
-        qualifications = self.parse_qualifications()
-        return '::'.join(qualifications + [name])
-
-    def parse_name(self):
-        if self.lookahead() == '?':
-            return self.consume() + self.consume()
-        else:
-            name = self.parse_id()
-            self.match('@')
-            return name
-
-    def parse_qualifications(self):
-        qualifications = []
-        while self.lookahead() != '@':
-            name = self.parse_id()
-            qualifications.append(name)
-            self.match('@')
-        return qualifications
-
-    def parse_id(self):
-        s = ''
-        while True:
-            c = self.lookahead()
-            if c.isalnum() or c in '_':
-                s += c
-                self.consume()
-            else:
-                break
-        return s
-
-
-def demangle(name):
-    if name.startswith('_'):
-        name = name[1:]
-        idx = name.rfind('@')
-        if idx != -1 and name[idx+1:].isdigit():
-            name = name[:idx]
-        return name
-    if name.startswith('?'):
-        demangler = MsvcDemangler(name)
-        return demangler.parse()
-    return name
-
-
-class Reader:
-
-    def __init__(self):
-        self.symbols = []
-        self.symbol_cache = {}
-        self.base_addr = None
-    
-    def read_map(self, mapfile):
-        # See http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
-        last_addr = 0
-        last_name = 0
-        for line in file(mapfile, "rt"):
-            fields = line.split()
-            try:
-                section_offset, name, addr, type, lib_object = fields
-            except ValueError:
-                continue
-            if type != 'f':
-                continue
-            section, offset = section_offset.split(':')
-            addr = int(offset, 16)
-            self.symbols.append((addr, name))
-            last_addr = addr
-            last_name = name
-
-        # sort symbols
-        self.symbols.sort(key = lambda (addr, name): addr)
-
-    def lookup_addr(self, addr):
-        try:
-            return self.symbol_cache[addr]
-        except KeyError:
-            pass
-
-        tolerance = 4196
-        s, e = 0, len(self.symbols)
-        while s != e:
-            i = (s + e)//2
-            start_addr, name = self.symbols[i]
-            try:
-                end_addr, next_name = self.symbols[i + 1]
-            except IndexError:
-                end_addr = start_addr + tolerance
-            if addr < start_addr:
-                e = i
-                continue
-            if addr == end_addr:
-                return next_name, addr - start_addr
-            if addr > end_addr:
-                s = i
-                continue
-            return name, addr - start_addr
-        raise ValueError
-
-    def lookup_symbol(self, name):
-        for symbol_addr, symbol_name in self.symbols:
-            if name == symbol_name:
-                return symbol_addr
-        return 0
-
-    def read_data(self, data):
-        profile = Profile()
-
-        fp = file(data, "rb")
-        entry_format = "IIII"
-        entry_size = struct.calcsize(entry_format)
-        caller = None
-        caller_stack = []
-        while True:
-            entry = fp.read(entry_size)
-            if len(entry) < entry_size:
-                break
-            caller_addr, callee_addr, samples_lo, samples_hi = struct.unpack(entry_format, entry)
-            if caller_addr == 0 and callee_addr == 0:
-                continue
-
-            if self.base_addr is None:
-                ref_addr = self.lookup_symbol('___debug_profile_reference@0')
-                if ref_addr:
-                    self.base_addr = (caller_addr - ref_addr) & ~(options.align - 1)
-                else:
-                    self.base_addr = 0
-                sys.stderr.write('Base addr: %08x\n' % self.base_addr)
-
-            samples = (samples_hi << 32) | samples_lo
-            
-            try:
-                caller_raddr = caller_addr - self.base_addr
-                caller_sym, caller_ofs = self.lookup_addr(caller_raddr)
-
-                try:
-                    caller = profile.functions[caller_sym]
-                except KeyError:
-                    caller_name = demangle(caller_sym)
-                    caller = Function(caller_sym, caller_name)
-                    profile.add_function(caller)
-                    caller[CALLS] = 0
-                    caller[SAMPLES] = 0
-            except ValueError:
-                caller = None
-
-            if not callee_addr:
-                if caller:
-                    caller[SAMPLES] += samples
-            else:
-                callee_raddr = callee_addr - self.base_addr
-                callee_sym, callee_ofs = self.lookup_addr(callee_raddr)
-
-                try:
-                    callee = profile.functions[callee_sym]
-                except KeyError:
-                    callee_name = demangle(callee_sym)
-                    callee = Function(callee_sym, callee_name)
-                    profile.add_function(callee)
-                    callee[CALLS] = samples
-                    callee[SAMPLES] = 0
-                else:
-                    callee[CALLS] += samples
-
-                if caller is not None:
-                    try:
-                        call = caller.calls[callee.id]
-                    except KeyError:
-                        call = Call(callee.id)
-                        call[CALLS] = samples
-                        caller.add_call(call)
-                    else:
-                        call[CALLS] += samples
-            
-            if options.verbose:
-                if not callee_addr:
-                    sys.stderr.write('%s+%u: %u\n' % (caller_sym, caller_ofs, samples))
-                else:
-                    sys.stderr.write('%s+%u -> %s+%u: %u\n' % (caller_sym, caller_ofs, callee_sym, callee_ofs, samples))
-
-        # compute derived data
-        profile.validate()
-        profile.find_cycles()
-        profile.aggregate(SAMPLES)
-        profile.ratio(TIME_RATIO, SAMPLES)
-        profile.call_ratios(CALLS)
-        profile.integrate(TOTAL_TIME_RATIO, TIME_RATIO)
-
-        return profile
-
-
-def main():
-    parser = optparse.OptionParser(
-        usage="\n\t%prog [options] [file] ...",
-        version="%%prog %s" % __version__)
-    parser.add_option(
-        '-a', '--align', metavar='NUMBER',
-        type="int", dest="align", default=16,
-        help="section alignment")
-    parser.add_option(
-        '-m', '--map', metavar='FILE',
-        type="string", dest="map",
-        help="map file")
-    parser.add_option(
-        '-b', '--base', metavar='FILE',
-        type="string", dest="base",
-        help="base addr")
-    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(
-        '-v', '--verbose',
-        action="count",
-        dest="verbose", default=0,
-        help="verbose output")
-
-    global options
-    (options, args) = parser.parse_args(sys.argv[1:])
-
-    reader = Reader()
-    if options.base is not None:
-        reader.base_addr = int(options.base, 16)
-    if options.map is not None:
-        reader.read_map(options.map)
-    for arg in args:
-        profile = reader.read_data(arg)
-        profile.prune(options.node_thres/100.0, options.edge_thres/100.0)
-        output = sys.stdout
-        dot = DotWriter(output)
-        colormap = TEMPERATURE_COLORMAP
-        dot.graph(profile, colormap)
-
-
-if __name__ == '__main__':
-    main()
-