__init__.py revision 8297:d57afdcf38f5
1# Copyright (c) 2007 The Regents of The University of Michigan 2# Copyright (c) 2010 The Hewlett-Packard Development Company 3# All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions are 7# met: redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer; 9# redistributions in binary form must reproduce the above copyright 10# notice, this list of conditions and the following disclaimer in the 11# documentation and/or other materials provided with the distribution; 12# neither the name of the copyright holders nor the names of its 13# contributors may be used to endorse or promote products derived from 14# this software without specific prior written permission. 15# 16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27# 28# Authors: Nathan Binkert 29 30import m5 31 32from m5 import internal 33from m5.internal.stats import schedStatEvent as schedEvent 34from m5.objects import Root 35from m5.util import attrdict, fatal 36 37outputList = [] 38def initText(filename, desc=True): 39 output = internal.stats.initText(filename, desc) 40 outputList.append(output) 41 42def initSimStats(): 43 internal.stats.initSimStats() 44 45names = [] 46stats_dict = {} 47stats_list = [] 48raw_stats_list = [] 49def enable(): 50 '''Enable the statistics package. Before the statistics package is 51 enabled, all statistics must be created and initialized and once 52 the package is enabled, no more statistics can be created.''' 53 __dynamic_cast = [] 54 for k, v in internal.stats.__dict__.iteritems(): 55 if k.startswith('dynamic_'): 56 __dynamic_cast.append(v) 57 58 for stat in internal.stats.statsList(): 59 for cast in __dynamic_cast: 60 val = cast(stat) 61 if val is not None: 62 stats_list.append(val) 63 raw_stats_list.append(val) 64 break 65 else: 66 fatal("unknown stat type %s", stat) 67 68 for stat in stats_list: 69 if not stat.check() or not stat.baseCheck(): 70 fatal("stat check failed for '%s' %d\n", stat.name, stat.id) 71 72 if not (stat.flags & flags.display): 73 stat.name = "__Stat%06d" % stat.id 74 75 def less(stat1, stat2): 76 v1 = stat1.name.split('.') 77 v2 = stat2.name.split('.') 78 return v1 < v2 79 80 stats_list.sort(less) 81 for stat in stats_list: 82 stats_dict[stat.name] = stat 83 stat.enable() 84 85def prepare(): 86 '''Prepare all stats for data access. This must be done before 87 dumping and serialization.''' 88 89 for stat in stats_list: 90 stat.prepare() 91 92lastDump = 0 93def dump(): 94 '''Dump all statistics data to the registered outputs''' 95 96 curTick = m5.curTick() 97 98 global lastDump 99 assert lastDump <= curTick 100 if lastDump == curTick: 101 return 102 lastDump = curTick 103 104 prepare() 105 106 for output in outputList: 107 if output.valid(): 108 output.begin() 109 for stat in stats_list: 110 output.visit(stat) 111 output.end() 112 113def reset(): 114 '''Reset all statistics to the base state''' 115 116 # call reset stats on all SimObjects 117 root = Root.getInstance() 118 if root: 119 for obj in root.descendants(): obj.resetStats() 120 121 # call any other registered stats reset callbacks 122 for stat in stats_list: 123 stat.reset() 124 125 internal.stats.processResetQueue() 126 127flags = attrdict({ 128 'none' : 0x0000, 129 'init' : 0x0001, 130 'display' : 0x0002, 131 'total' : 0x0010, 132 'pdf' : 0x0020, 133 'cdf' : 0x0040, 134 'dist' : 0x0080, 135 'nozero' : 0x0100, 136 'nonan' : 0x0200, 137}) 138