__init__.py revision 11802
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 32import _m5.stats 33from m5.objects import Root 34from m5.util import attrdict, fatal 35 36# Stat exports 37from _m5.stats import schedStatEvent as schedEvent 38from _m5.stats import periodicStatDump 39 40outputList = [] 41def initText(filename, desc=True): 42 output = _m5.stats.initText(filename, desc) 43 outputList.append(output) 44 45def initSimStats(): 46 _m5.stats.initSimStats() 47 _m5.stats.registerPythonStatsHandlers() 48 49names = [] 50stats_dict = {} 51stats_list = [] 52def enable(): 53 '''Enable the statistics package. Before the statistics package is 54 enabled, all statistics must be created and initialized and once 55 the package is enabled, no more statistics can be created.''' 56 57 global stats_list 58 stats_list = list(_m5.stats.statsList()) 59 60 for stat in stats_list: 61 if not stat.check() or not stat.baseCheck(): 62 fatal("statistic '%s' (%d) was not properly initialized " \ 63 "by a regStats() function\n", stat.name, stat.id) 64 65 if not (stat.flags & flags.display): 66 stat.name = "__Stat%06d" % stat.id 67 68 def less(stat1, stat2): 69 v1 = stat1.name.split('.') 70 v2 = stat2.name.split('.') 71 return v1 < v2 72 73 stats_list.sort(less) 74 for stat in stats_list: 75 stats_dict[stat.name] = stat 76 stat.enable() 77 78 _m5.stats.enable(); 79 80def prepare(): 81 '''Prepare all stats for data access. This must be done before 82 dumping and serialization.''' 83 84 for stat in stats_list: 85 stat.prepare() 86 87lastDump = 0 88def dump(): 89 '''Dump all statistics data to the registered outputs''' 90 91 curTick = m5.curTick() 92 93 global lastDump 94 assert lastDump <= curTick 95 if lastDump == curTick: 96 return 97 lastDump = curTick 98 99 _m5.stats.processDumpQueue() 100 101 prepare() 102 103 for output in outputList: 104 if output.valid(): 105 output.begin() 106 for stat in stats_list: 107 stat.visit(output) 108 output.end() 109 110def reset(): 111 '''Reset all statistics to the base state''' 112 113 # call reset stats on all SimObjects 114 root = Root.getInstance() 115 if root: 116 for obj in root.descendants(): obj.resetStats() 117 118 # call any other registered stats reset callbacks 119 for stat in stats_list: 120 stat.reset() 121 122 _m5.stats.processResetQueue() 123 124flags = attrdict({ 125 'none' : 0x0000, 126 'init' : 0x0001, 127 'display' : 0x0002, 128 'total' : 0x0010, 129 'pdf' : 0x0020, 130 'cdf' : 0x0040, 131 'dist' : 0x0080, 132 'nozero' : 0x0100, 133 'nonan' : 0x0200, 134}) 135