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# Copyright (c) 2007 The Regents of The University of Michigan
# Copyright (c) 2010 The Hewlett-Packard Development Company
# 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 the copyright holders 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.
#
# Authors: Nathan Binkert
import m5
from m5 import internal
from m5.objects import Root
from m5.util import attrdict, fatal
# Stat exports
from m5.internal.stats import schedStatEvent as schedEvent
from m5.internal.stats import periodicStatDump
outputList = []
def initText(filename, desc=True):
output = internal.stats.initText(filename, desc)
outputList.append(output)
def initSimStats():
internal.stats.initSimStats()
internal.stats.registerPythonStatsHandlers()
names = []
stats_dict = {}
stats_list = []
def enable():
'''Enable the statistics package. Before the statistics package is
enabled, all statistics must be created and initialized and once
the package is enabled, no more statistics can be created.'''
global stats_list
stats_list = list(internal.stats.statsList())
for stat in stats_list:
if not stat.check() or not stat.baseCheck():
fatal("statistic '%s' (%d) was not properly initialized " \
"by a regStats() function\n", stat.name, stat.id)
if not (stat.flags & flags.display):
stat.name = "__Stat%06d" % stat.id
def less(stat1, stat2):
v1 = stat1.name.split('.')
v2 = stat2.name.split('.')
return v1 < v2
stats_list.sort(less)
for stat in stats_list:
stats_dict[stat.name] = stat
stat.enable()
internal.stats.enable();
def prepare():
'''Prepare all stats for data access. This must be done before
dumping and serialization.'''
for stat in stats_list:
stat.prepare()
lastDump = 0
def dump():
'''Dump all statistics data to the registered outputs'''
curTick = m5.curTick()
global lastDump
assert lastDump <= curTick
if lastDump == curTick:
return
lastDump = curTick
internal.stats.processDumpQueue()
prepare()
for output in outputList:
if output.valid():
output.begin()
for stat in stats_list:
stat.visit(output)
output.end()
def reset():
'''Reset all statistics to the base state'''
# call reset stats on all SimObjects
root = Root.getInstance()
if root:
for obj in root.descendants(): obj.resetStats()
# call any other registered stats reset callbacks
for stat in stats_list:
stat.reset()
internal.stats.processResetQueue()
flags = attrdict({
'none' : 0x0000,
'init' : 0x0001,
'display' : 0x0002,
'total' : 0x0010,
'pdf' : 0x0020,
'cdf' : 0x0040,
'dist' : 0x0080,
'nozero' : 0x0100,
'nonan' : 0x0200,
})
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