+++ /dev/null
-#!/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()
-
+++ /dev/null
-/**************************************************************************
- *
- * 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.
- *
- **************************************************************************/
-
-/**
- * @file
- * Poor-man profiling.
- *
- * @author José Fonseca <jrfonseca@tungstengraphics.com>
- *
- * @sa http://blogs.msdn.com/joshpoley/archive/2008/03/12/poor-man-s-profiler.aspx
- * @sa http://www.johnpanzer.com/aci_cuj/index.html
- */
-
-#include "pipe/p_config.h"
-
-#if defined(PROFILE) && defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
-
-#include <windows.h>
-#include <winddi.h>
-
-#include "util/u_debug.h"
-#include "util/u_string.h"
-
-
-#define PROFILE_TABLE_SIZE (1024*1024)
-#define FILE_NAME_SIZE 256
-
-struct debug_profile_entry
-{
- uintptr_t caller;
- uintptr_t callee;
- uint64_t samples;
-};
-
-static unsigned long enabled = 0;
-
-static WCHAR wFileName[FILE_NAME_SIZE] = L"\\??\\c:\\00000000.prof";
-static ULONG_PTR iFile = 0;
-
-static struct debug_profile_entry *table = NULL;
-static unsigned long free_table_entries = 0;
-static unsigned long max_table_entries = 0;
-
-uint64_t start_stamp = 0;
-uint64_t end_stamp = 0;
-
-
-static void
-debug_profile_entry(uintptr_t caller, uintptr_t callee, uint64_t samples)
-{
- unsigned hash = ( caller + callee ) & PROFILE_TABLE_SIZE - 1;
-
- while(1) {
- if(table[hash].caller == 0 && table[hash].callee == 0) {
- table[hash].caller = caller;
- table[hash].callee = callee;
- table[hash].samples = samples;
- --free_table_entries;
- break;
- }
- else if(table[hash].caller == caller && table[hash].callee == callee) {
- table[hash].samples += samples;
- break;
- }
- else {
- ++hash;
- }
- }
-}
-
-
-static uintptr_t caller_stack[1024];
-static unsigned last_caller = 0;
-
-
-static int64_t delta(void) {
- int64_t result = end_stamp - start_stamp;
- if(result > UINT64_C(0xffffffff))
- result = 0;
- return result;
-}
-
-
-static void __cdecl
-debug_profile_enter(uintptr_t callee)
-{
- uintptr_t caller = last_caller ? caller_stack[last_caller - 1] : 0;
-
- if (caller)
- debug_profile_entry(caller, 0, delta());
- debug_profile_entry(caller, callee, 1);
- caller_stack[last_caller++] = callee;
-}
-
-
-static void __cdecl
-debug_profile_exit(uintptr_t callee)
-{
- debug_profile_entry(callee, 0, delta());
- if(last_caller)
- --last_caller;
-}
-
-
-/**
- * Called at the start of every method or function.
- *
- * @sa http://msdn.microsoft.com/en-us/library/c63a9b7h.aspx
- */
-void __declspec(naked) __cdecl
-_penter(void) {
- _asm {
- push eax
- mov eax, [enabled]
- test eax, eax
- jz skip
-
- push edx
-
- rdtsc
- mov dword ptr [end_stamp], eax
- mov dword ptr [end_stamp+4], edx
-
- xor eax, eax
- mov [enabled], eax
-
- mov eax, [esp+8]
-
- push ebx
- push ecx
- push ebp
- push edi
- push esi
-
- push eax
- call debug_profile_enter
- add esp, 4
-
- pop esi
- pop edi
- pop ebp
- pop ecx
- pop ebx
-
- mov eax, 1
- mov [enabled], eax
-
- rdtsc
- mov dword ptr [start_stamp], eax
- mov dword ptr [start_stamp+4], edx
-
- pop edx
-skip:
- pop eax
- ret
- }
-}
-
-
-/**
- * Called at the end of Calls the end of every method or function.
- *
- * @sa http://msdn.microsoft.com/en-us/library/xc11y76y.aspx
- */
-void __declspec(naked) __cdecl
-_pexit(void) {
- _asm {
- push eax
- mov eax, [enabled]
- test eax, eax
- jz skip
-
- push edx
-
- rdtsc
- mov dword ptr [end_stamp], eax
- mov dword ptr [end_stamp+4], edx
-
- xor eax, eax
- mov [enabled], eax
-
- mov eax, [esp+8]
-
- push ebx
- push ecx
- push ebp
- push edi
- push esi
-
- push eax
- call debug_profile_exit
- add esp, 4
-
- pop esi
- pop edi
- pop ebp
- pop ecx
- pop ebx
-
- mov eax, 1
- mov [enabled], eax
-
- rdtsc
- mov dword ptr [start_stamp], eax
- mov dword ptr [start_stamp+4], edx
-
- pop edx
-skip:
- pop eax
- ret
- }
-}
-
-
-/**
- * Reference function for calibration.
- */
-void __declspec(naked)
-__debug_profile_reference(void) {
- _asm {
- call _penter
- call _pexit
- ret
- }
-}
-
-
-void
-debug_profile_start(void)
-{
- WCHAR *p;
-
- /* increment starting from the less significant digit */
- p = &wFileName[14];
- while(1) {
- if(*p == '9') {
- *p-- = '0';
- }
- else {
- *p += 1;
- break;
- }
- }
-
- table = EngMapFile(wFileName,
- PROFILE_TABLE_SIZE*sizeof(struct debug_profile_entry),
- &iFile);
- if(table) {
- unsigned i;
-
- free_table_entries = max_table_entries = PROFILE_TABLE_SIZE;
- memset(table, 0, PROFILE_TABLE_SIZE*sizeof(struct debug_profile_entry));
-
- table[0].caller = (uintptr_t)&__debug_profile_reference;
- table[0].callee = 0;
- table[0].samples = 0;
- --free_table_entries;
-
- _asm {
- push edx
- push eax
-
- rdtsc
- mov dword ptr [start_stamp], eax
- mov dword ptr [start_stamp+4], edx
-
- pop edx
- pop eax
- }
-
- last_caller = 0;
-
- enabled = 1;
-
- for(i = 0; i < 8; ++i) {
- _asm {
- call __debug_profile_reference
- }
- }
- }
-}
-
-
-void
-debug_profile_stop(void)
-{
- enabled = 0;
-
- if(iFile)
- EngUnmapFile(iFile);
- iFile = 0;
- table = NULL;
- free_table_entries = max_table_entries = 0;
-}
-
-#endif /* PROFILE */
OSDN Git Service
