8702208f3f
Some configuration scripts need periodic stat dumps. One of the ways this can be achieved is by using the pariodicStatDump helper function. This function was previously only exported in the internal name space. Export it as a normal function in m5.stat instead. Change-Id: Ic88bf1fd33042a62ab436d5944d8ed778264ac98 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Sascha Bischoff <sascha.bischoff@arm.com>
147 lines
4.5 KiB
Python
147 lines
4.5 KiB
Python
# Copyright (c) 2007 The Regents of The University of Michigan
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# Copyright (c) 2010 The Hewlett-Packard Development Company
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Nathan Binkert
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import m5
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from m5 import internal
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from m5.objects import Root
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from m5.util import attrdict, fatal
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# Stat exports
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from m5.internal.stats import schedStatEvent as schedEvent
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from m5.internal.stats import periodicStatDump
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outputList = []
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def initText(filename, desc=True):
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output = internal.stats.initText(filename, desc)
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outputList.append(output)
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def initSimStats():
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internal.stats.initSimStats()
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internal.stats.registerPythonStatsHandlers()
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names = []
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stats_dict = {}
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stats_list = []
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raw_stats_list = []
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def enable():
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'''Enable the statistics package. Before the statistics package is
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enabled, all statistics must be created and initialized and once
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the package is enabled, no more statistics can be created.'''
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__dynamic_cast = []
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for k, v in internal.stats.__dict__.iteritems():
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if k.startswith('dynamic_'):
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__dynamic_cast.append(v)
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for stat in internal.stats.statsList():
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for cast in __dynamic_cast:
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val = cast(stat)
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if val is not None:
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stats_list.append(val)
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raw_stats_list.append(val)
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break
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else:
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fatal("unknown stat type %s", stat)
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for stat in stats_list:
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if not stat.check() or not stat.baseCheck():
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fatal("statistic '%s' (%d) was not properly initialized " \
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"by a regStats() function\n", stat.name, stat.id)
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if not (stat.flags & flags.display):
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stat.name = "__Stat%06d" % stat.id
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def less(stat1, stat2):
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v1 = stat1.name.split('.')
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v2 = stat2.name.split('.')
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return v1 < v2
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stats_list.sort(less)
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for stat in stats_list:
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stats_dict[stat.name] = stat
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stat.enable()
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internal.stats.enable();
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def prepare():
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'''Prepare all stats for data access. This must be done before
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dumping and serialization.'''
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for stat in stats_list:
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stat.prepare()
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lastDump = 0
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def dump():
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'''Dump all statistics data to the registered outputs'''
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curTick = m5.curTick()
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global lastDump
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assert lastDump <= curTick
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if lastDump == curTick:
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return
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lastDump = curTick
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internal.stats.processDumpQueue()
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prepare()
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for output in outputList:
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if output.valid():
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output.begin()
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for stat in stats_list:
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output.visit(stat)
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output.end()
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def reset():
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'''Reset all statistics to the base state'''
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# call reset stats on all SimObjects
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root = Root.getInstance()
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if root:
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for obj in root.descendants(): obj.resetStats()
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# call any other registered stats reset callbacks
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for stat in stats_list:
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stat.reset()
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internal.stats.processResetQueue()
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flags = attrdict({
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'none' : 0x0000,
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'init' : 0x0001,
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'display' : 0x0002,
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'total' : 0x0010,
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'pdf' : 0x0020,
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'cdf' : 0x0040,
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'dist' : 0x0080,
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'nozero' : 0x0100,
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'nonan' : 0x0200,
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})
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