113540Sandrea.mondelli@ucf.edu#!/usr/bin/env python2.7 29617Sandreas.hansson@arm.com 310065Sandreas.hansson@arm.com# Copyright (c) 2013-2014 ARM Limited 49617Sandreas.hansson@arm.com# All rights reserved 59617Sandreas.hansson@arm.com# 69617Sandreas.hansson@arm.com# The license below extends only to copyright in the software and shall 79617Sandreas.hansson@arm.com# not be construed as granting a license to any other intellectual 89617Sandreas.hansson@arm.com# property including but not limited to intellectual property relating 99617Sandreas.hansson@arm.com# to a hardware implementation of the functionality of the software 109617Sandreas.hansson@arm.com# licensed hereunder. You may use the software subject to the license 119617Sandreas.hansson@arm.com# terms below provided that you ensure that this notice is replicated 129617Sandreas.hansson@arm.com# unmodified and in its entirety in all distributions of the software, 139617Sandreas.hansson@arm.com# modified or unmodified, in source code or in binary form. 149617Sandreas.hansson@arm.com# 159617Sandreas.hansson@arm.com# Redistribution and use in source and binary forms, with or without 169617Sandreas.hansson@arm.com# modification, are permitted provided that the following conditions are 179617Sandreas.hansson@arm.com# met: redistributions of source code must retain the above copyright 189617Sandreas.hansson@arm.com# notice, this list of conditions and the following disclaimer; 199617Sandreas.hansson@arm.com# redistributions in binary form must reproduce the above copyright 209617Sandreas.hansson@arm.com# notice, this list of conditions and the following disclaimer in the 219617Sandreas.hansson@arm.com# documentation and/or other materials provided with the distribution; 229617Sandreas.hansson@arm.com# neither the name of the copyright holders nor the names of its 239617Sandreas.hansson@arm.com# contributors may be used to endorse or promote products derived from 249617Sandreas.hansson@arm.com# this software without specific prior written permission. 259617Sandreas.hansson@arm.com# 269617Sandreas.hansson@arm.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 279617Sandreas.hansson@arm.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 289617Sandreas.hansson@arm.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 299617Sandreas.hansson@arm.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 309617Sandreas.hansson@arm.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 319617Sandreas.hansson@arm.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 329617Sandreas.hansson@arm.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 339617Sandreas.hansson@arm.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 349617Sandreas.hansson@arm.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 359617Sandreas.hansson@arm.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 369617Sandreas.hansson@arm.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 379617Sandreas.hansson@arm.com# 389617Sandreas.hansson@arm.com# Authors: Andreas Hansson 399617Sandreas.hansson@arm.com 409617Sandreas.hansson@arm.com# This script is used to dump protobuf packet traces to ASCII 4112213Sgabeblack@google.com# format. 429617Sandreas.hansson@arm.com 4312213Sgabeblack@google.comimport os 4410107Sradhika.jagtap@ARM.comimport protolib 4512213Sgabeblack@google.comimport subprocess 469617Sandreas.hansson@arm.comimport sys 479706Sandreas.hansson@arm.com 4812213Sgabeblack@google.comutil_dir = os.path.dirname(os.path.realpath(__file__)) 4912213Sgabeblack@google.com# Make sure the proto definitions are up to date. 5012213Sgabeblack@google.comsubprocess.check_call(['make', '--quiet', '-C', util_dir, 'packet_pb2.py']) 5112213Sgabeblack@google.comimport packet_pb2 529617Sandreas.hansson@arm.com 539617Sandreas.hansson@arm.comdef main(): 549617Sandreas.hansson@arm.com if len(sys.argv) != 3: 559617Sandreas.hansson@arm.com print "Usage: ", sys.argv[0], " <protobuf input> <ASCII output>" 569617Sandreas.hansson@arm.com exit(-1) 579617Sandreas.hansson@arm.com 5810269Sradhika.jagtap@ARM.com # Open the file in read mode 5910269Sradhika.jagtap@ARM.com proto_in = protolib.openFileRd(sys.argv[1]) 609617Sandreas.hansson@arm.com 619617Sandreas.hansson@arm.com try: 629617Sandreas.hansson@arm.com ascii_out = open(sys.argv[2], 'w') 639617Sandreas.hansson@arm.com except IOError: 649617Sandreas.hansson@arm.com print "Failed to open ", sys.argv[2], " for writing" 659617Sandreas.hansson@arm.com exit(-1) 669617Sandreas.hansson@arm.com 679617Sandreas.hansson@arm.com # Read the magic number in 4-byte Little Endian 689617Sandreas.hansson@arm.com magic_number = proto_in.read(4) 699617Sandreas.hansson@arm.com 709617Sandreas.hansson@arm.com if magic_number != "gem5": 7110132Sandreas.hansson@arm.com print "Unrecognized file", sys.argv[1] 729617Sandreas.hansson@arm.com exit(-1) 739617Sandreas.hansson@arm.com 749617Sandreas.hansson@arm.com print "Parsing packet header" 759617Sandreas.hansson@arm.com 769617Sandreas.hansson@arm.com # Add the packet header 779617Sandreas.hansson@arm.com header = packet_pb2.PacketHeader() 7810107Sradhika.jagtap@ARM.com protolib.decodeMessage(proto_in, header) 799617Sandreas.hansson@arm.com 809617Sandreas.hansson@arm.com print "Object id:", header.obj_id 819617Sandreas.hansson@arm.com print "Tick frequency:", header.tick_freq 829617Sandreas.hansson@arm.com 8312211Sgabeblack@google.com for id_string in header.id_strings: 8412211Sgabeblack@google.com print 'Master id %d: %s' % (id_string.key, id_string.value) 8512211Sgabeblack@google.com 869617Sandreas.hansson@arm.com print "Parsing packets" 879617Sandreas.hansson@arm.com 889617Sandreas.hansson@arm.com num_packets = 0 899617Sandreas.hansson@arm.com packet = packet_pb2.Packet() 909617Sandreas.hansson@arm.com 919617Sandreas.hansson@arm.com # Decode the packet messages until we hit the end of the file 9210107Sradhika.jagtap@ARM.com while protolib.decodeMessage(proto_in, packet): 939617Sandreas.hansson@arm.com num_packets += 1 949617Sandreas.hansson@arm.com # ReadReq is 1 and WriteReq is 4 in src/mem/packet.hh Command enum 959617Sandreas.hansson@arm.com cmd = 'r' if packet.cmd == 1 else ('w' if packet.cmd == 4 else 'u') 9610107Sradhika.jagtap@ARM.com if packet.HasField('pkt_id'): 9710107Sradhika.jagtap@ARM.com ascii_out.write('%s,' % (packet.pkt_id)) 989617Sandreas.hansson@arm.com if packet.HasField('flags'): 9911437Svictor.garcia@arm.com ascii_out.write('%s,%s,%s,%s,%s' % (cmd, packet.addr, packet.size, 10010107Sradhika.jagtap@ARM.com packet.flags, packet.tick)) 10110107Sradhika.jagtap@ARM.com else: 10211437Svictor.garcia@arm.com ascii_out.write('%s,%s,%s,%s' % (cmd, packet.addr, packet.size, 1039617Sandreas.hansson@arm.com packet.tick)) 10411437Svictor.garcia@arm.com if packet.HasField('pc'): 10511437Svictor.garcia@arm.com ascii_out.write(',%s\n' % (packet.pc)) 10611437Svictor.garcia@arm.com else: 10711437Svictor.garcia@arm.com ascii_out.write('\n') 1089617Sandreas.hansson@arm.com 1099617Sandreas.hansson@arm.com print "Parsed packets:", num_packets 1109617Sandreas.hansson@arm.com 1119617Sandreas.hansson@arm.com # We're done 1129617Sandreas.hansson@arm.com ascii_out.close() 1139617Sandreas.hansson@arm.com proto_in.close() 1149617Sandreas.hansson@arm.com 1159617Sandreas.hansson@arm.comif __name__ == "__main__": 1169617Sandreas.hansson@arm.com main() 117