decode_packet_trace.py (10132:894ec19274e9) | decode_packet_trace.py (10269:82773ace39fa) |
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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 | 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 --- 16 unchanged lines hidden (view full) --- 76 print "Failed to import packet proto definitions" 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 | 51import protolib 52import sys 53 54# Import the packet proto definitions. If they are not found, attempt 55# to generate them automatically. This assumes that the script is 56# executed from the gem5 root. 57try: 58 import packet_pb2 --- 16 unchanged lines hidden (view full) --- 75 print "Failed to import packet proto definitions" 76 exit(-1) 77 78def main(): 79 if len(sys.argv) != 3: 80 print "Usage: ", sys.argv[0], " <protobuf input> <ASCII output>" 81 exit(-1) 82 |
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') | 83 # Open the file in read mode 84 proto_in = protolib.openFileRd(sys.argv[1]) |
89 | 85 |
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) --- 41 unchanged lines hidden --- | 86 try: 87 ascii_out = open(sys.argv[2], 'w') 88 except IOError: 89 print "Failed to open ", sys.argv[2], " for writing" 90 exit(-1) 91 92 # Read the magic number in 4-byte Little Endian 93 magic_number = proto_in.read(4) --- 41 unchanged lines hidden --- |