1#!/usr/bin/env python 2 3# Copyright (c) 2013-2014 ARM Limited 4# All rights reserved 5# 6# The license below extends only to copyright in the software and shall 7# not be construed as granting a license to any other intellectual 8# property including but not limited to intellectual property relating --- 34 unchanged lines hidden (view full) --- 43# be done manually using: 44# protoc --python_out=. --proto_path=src/proto src/proto/packet.proto 45# 46# The ASCII trace format uses one line per request on the format cmd, 47# addr, size, tick,flags. For example: 48# r,128,64,4000,0 49# w,232123,64,500000,0 50 |
51import gzip |
52import protolib 53import sys 54 55# Import the packet proto definitions. If they are not found, attempt 56# to generate them automatically. This assumes that the script is 57# executed from the gem5 root. 58try: 59 import packet_pb2 --- 17 unchanged lines hidden (view full) --- 77 exit(-1) 78 79def main(): 80 if len(sys.argv) != 3: 81 print "Usage: ", sys.argv[0], " <protobuf input> <ASCII output>" 82 exit(-1) 83 84 try: |
85 # First see if this file is gzipped 86 try: 87 # Opening the file works even if it is not a gzip file 88 proto_in = gzip.open(sys.argv[1], 'rb') 89 90 # Force a check of the magic number by seeking in the 91 # file. If we do not do it here the error will occur when 92 # reading the first message. 93 proto_in.seek(1) 94 proto_in.seek(0) 95 except IOError: 96 proto_in = open(sys.argv[1], 'rb') |
97 except IOError: 98 print "Failed to open ", sys.argv[1], " for reading" 99 exit(-1) 100 101 try: 102 ascii_out = open(sys.argv[2], 'w') 103 except IOError: 104 print "Failed to open ", sys.argv[2], " for writing" 105 exit(-1) 106 107 # Read the magic number in 4-byte Little Endian 108 magic_number = proto_in.read(4) 109 110 if magic_number != "gem5": |
111 print "Unrecognized file", sys.argv[1] |
112 exit(-1) 113 114 print "Parsing packet header" 115 116 # Add the packet header 117 header = packet_pb2.PacketHeader() 118 protolib.decodeMessage(proto_in, header) 119 --- 30 unchanged lines hidden --- |