| #!/usr/bin/env python2.7 |
| |
| # Copyright (c) 2013 - 2015 ARM Limited |
| # All rights reserved |
| # |
| # The license below extends only to copyright in the software and shall |
| # not be construed as granting a license to any other intellectual |
| # property including but not limited to intellectual property relating |
| # to a hardware implementation of the functionality of the software |
| # licensed hereunder. You may use the software subject to the license |
| # terms below provided that you ensure that this notice is replicated |
| # unmodified and in its entirety in all distributions of the software, |
| # modified or unmodified, in source code or in binary form. |
| # |
| # 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. |
| # |
| # Copyright 2008 Google Inc. All rights reserved. |
| # http://code.google.com/p/protobuf/ |
| # |
| # 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 Google Inc. 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. |
| |
| # This script is used to dump protobuf traces of the instruction dependency |
| # graph to ASCII format. |
| # |
| # The ASCII trace format uses one line per instruction with the format |
| # instruction sequence number, (optional) pc, (optional) weight, type |
| # (optional) flags, (optional) phys addr, (optional) size, comp delay, |
| # (repeated) order dependencies comma-separated, and (repeated) register |
| # dependencies comma-separated. |
| # |
| # examples: |
| # seq_num,[pc],[weight,]type,[p_addr,size,flags,]comp_delay:[rob_dep]: |
| # [reg_dep] |
| # 1,35652,1,COMP,8500:: |
| # 2,35656,1,COMP,0:,1: |
| # 3,35660,1,LOAD,1748752,4,74,500:,2: |
| # 4,35660,1,COMP,0:,3: |
| # 5,35664,1,COMP,3000::,4 |
| # 6,35666,1,STORE,1748752,4,74,1000:,3:,4,5 |
| # 7,35666,1,COMP,3000::,4 |
| # 8,35670,1,STORE,1748748,4,74,0:,6,3:,7 |
| # 9,35670,1,COMP,500::,7 |
| |
| import protolib |
| import sys |
| |
| # Import the packet proto definitions. If they are not found, attempt |
| # to generate them automatically. This assumes that the script is |
| # executed from the gem5 root. |
| try: |
| import inst_dep_record_pb2 |
| except: |
| print "Did not find proto definition, attempting to generate" |
| from subprocess import call |
| error = call(['protoc', '--python_out=util', '--proto_path=src/proto', |
| 'src/proto/inst_dep_record.proto']) |
| if not error: |
| import inst_dep_record_pb2 |
| print "Generated proto definitions for instruction dependency record" |
| else: |
| print "Failed to import proto definitions" |
| exit(-1) |
| |
| def main(): |
| if len(sys.argv) != 3: |
| print "Usage: ", sys.argv[0], " <protobuf input> <ASCII output>" |
| exit(-1) |
| |
| # Open the file on read mode |
| proto_in = protolib.openFileRd(sys.argv[1]) |
| |
| try: |
| ascii_out = open(sys.argv[2], 'w') |
| except IOError: |
| print "Failed to open ", sys.argv[2], " for writing" |
| exit(-1) |
| |
| # Read the magic number in 4-byte Little Endian |
| magic_number = proto_in.read(4) |
| |
| if magic_number != "gem5": |
| print "Unrecognized file" |
| exit(-1) |
| |
| print "Parsing packet header" |
| |
| # Add the packet header |
| header = inst_dep_record_pb2.InstDepRecordHeader() |
| protolib.decodeMessage(proto_in, header) |
| |
| print "Object id:", header.obj_id |
| print "Tick frequency:", header.tick_freq |
| |
| print "Parsing packets" |
| |
| print "Creating enum value,name lookup from proto" |
| enumNames = {} |
| desc = inst_dep_record_pb2.InstDepRecord.DESCRIPTOR |
| for namestr, valdesc in desc.enum_values_by_name.items(): |
| print '\t', valdesc.number, namestr |
| enumNames[valdesc.number] = namestr |
| |
| num_packets = 0 |
| num_regdeps = 0 |
| num_robdeps = 0 |
| packet = inst_dep_record_pb2.InstDepRecord() |
| |
| # Decode the packet messages until we hit the end of the file |
| while protolib.decodeMessage(proto_in, packet): |
| num_packets += 1 |
| |
| # Write to file the seq num |
| ascii_out.write('%s' % (packet.seq_num)) |
| # Write to file the pc of the instruction, default is 0 |
| if packet.HasField('pc'): |
| ascii_out.write(',%s' % (packet.pc)) |
| else: |
| ascii_out.write(',0') |
| # Write to file the weight, default is 1 |
| if packet.HasField('weight'): |
| ascii_out.write(',%s' % (packet.weight)) |
| else: |
| ascii_out.write(',1') |
| # Write to file the type of the record |
| try: |
| ascii_out.write(',%s' % enumNames[packet.type]) |
| except KeyError: |
| print "Seq. num", packet.seq_num, "has unsupported type", \ |
| packet.type |
| exit(-1) |
| |
| |
| # Write to file if it has the optional fields physical addr, size, |
| # flags |
| if packet.HasField('p_addr'): |
| ascii_out.write(',%s' % (packet.p_addr)) |
| if packet.HasField('size'): |
| ascii_out.write(',%s' % (packet.size)) |
| if packet.HasField('flags'): |
| ascii_out.write(',%s' % (packet.flags)) |
| |
| # Write to file the comp delay |
| ascii_out.write(',%s' % (packet.comp_delay)) |
| |
| # Write to file the repeated field order dependency |
| ascii_out.write(':') |
| if packet.rob_dep: |
| num_robdeps += 1 |
| for dep in packet.rob_dep: |
| ascii_out.write(',%s' % dep) |
| # Write to file the repeated field register dependency |
| ascii_out.write(':') |
| if packet.reg_dep: |
| num_regdeps += 1 # No. of packets with atleast 1 register dependency |
| for dep in packet.reg_dep: |
| ascii_out.write(',%s' % dep) |
| # New line |
| ascii_out.write('\n') |
| |
| print "Parsed packets:", num_packets |
| print "Packets with at least 1 reg dep:", num_regdeps |
| print "Packets with at least 1 rob dep:", num_robdeps |
| |
| # We're done |
| ascii_out.close() |
| proto_in.close() |
| |
| if __name__ == "__main__": |
| main() |