PyTrafficGen.py revision 12813:2c023816bec9
1# Copyright (c) 2018 ARM Limited 2# All rights reserved. 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license 9# terms below provided that you ensure that this notice is replicated 10# unmodified and in its entirety in all distributions of the software, 11# modified or unmodified, in source code or in binary form. 12# 13# Redistribution and use in source and binary forms, with or without 14# modification, are permitted provided that the following conditions are 15# met: redistributions of source code must retain the above copyright 16# notice, this list of conditions and the following disclaimer; 17# redistributions in binary form must reproduce the above copyright 18# notice, this list of conditions and the following disclaimer in the 19# documentation and/or other materials provided with the distribution; 20# neither the name of the copyright holders nor the names of its 21# contributors may be used to endorse or promote products derived from 22# this software without specific prior written permission. 23# 24# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 25# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 26# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 27# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 28# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35# 36# Authors: Andreas Sandberg 37 38from m5.defines import buildEnv 39from m5.SimObject import * 40from BaseTrafficGen import * 41 42class PyTrafficGen(BaseTrafficGen): 43 type = 'PyTrafficGen' 44 cxx_header = "cpu/testers/traffic_gen/pygen.hh" 45 46 @cxxMethod 47 def start(self, meta_generator): 48 """ 49 Start generating traffic using the provided meta-generator. The 50 meta-generator is an iterable Python object that describes a 51 list of traffic generator instances. 52 """ 53 pass 54 55 cxx_exports = [ 56 PyBindMethod("createIdle"), 57 PyBindMethod("createExit"), 58 PyBindMethod("createLinear"), 59 PyBindMethod("createRandom"), 60 PyBindMethod("createDram"), 61 PyBindMethod("createDramRot"), 62 ] 63 64 @cxxMethod(override=True) 65 def createTrace(self, duration, trace_file, addr_offset=0): 66 if buildEnv['HAVE_PROTOBUF']: 67 return self.getCCObject().createTrace(duration, trace_file, 68 addr_offset=addr_offset) 69 else: 70 raise NotImplementedError("Trace playback requires that gem5 " 71 "was built with protobuf support.") 72