def main(): if len(sys.argv) != 3: print "Usage: ", sys.argv[0], " <protobuf input> <ASCII output>" exit(-1) # Open the file in 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", sys.argv[1] exit(-1) print "Parsing packet header" # Add the packet header header = packet_pb2.PacketHeader() protolib.decodeMessage(proto_in, header) print "Object id:", header.obj_id print "Tick frequency:", header.tick_freq print "Parsing packets" num_packets = 0 packet = packet_pb2.Packet() # Decode the packet messages until we hit the end of the file while protolib.decodeMessage(proto_in, packet): num_packets += 1 # ReadReq is 1 and WriteReq is 4 in src/mem/packet.hh Command enum cmd = 'r' if packet.cmd == 1 else ('w' if packet.cmd == 4 else 'u') if packet.HasField('pkt_id'): ascii_out.write('%s,' % (packet.pkt_id)) if packet.HasField('flags'): ascii_out.write( '%s,%s,%s,%s,%s' % (cmd, packet.addr, packet.size, packet.flags, packet.tick)) else: ascii_out.write('%s,%s,%s,%s' % (cmd, packet.addr, packet.size, packet.tick)) if packet.HasField('pc'): ascii_out.write(',%s\n' % (packet.pc)) else: ascii_out.write('\n') print "Parsed packets:", num_packets # We're done ascii_out.close() proto_in.close()
def main(): if len(sys.argv) != 3: print "Usage: ", sys.argv[0], " <protobuf input> <ASCII output>" exit(-1) try: proto_in = open(sys.argv[1], 'rb') except IOError: print "Failed to open ", sys.argv[1], " for reading" exit(-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 = packet_pb2.PacketHeader() decodeMessage(proto_in, header) print "Object id:", header.obj_id print "Tick frequency:", header.tick_freq print "Parsing packets" num_packets = 0 ignored_flags = False packet = packet_pb2.Packet() # Decode the packet messages until we hit the end of the file while decodeMessage(proto_in, packet): num_packets += 1 # ReadReq is 1 and WriteReq is 4 in src/mem/packet.hh Command enum cmd = 'r' if packet.cmd == 1 else ('w' if packet.cmd == 4 else 'u') if packet.HasField('flags'): # Currently not printing flags ignored_flags = True ascii_out.write('%s,%s,%s,%s\n' % (cmd, packet.addr, packet.size, packet.tick)) print "Parsed packets:", num_packets if ignored_flags: print "Encountered packet flags that were ignored" # We're done ascii_out.close() proto_in.close()
def main(): if len(sys.argv) != 3: print "Usage: ", sys.argv[0], " <ASCII input> <protobuf output>" exit(-1) try: ascii_in = open(sys.argv[1], 'r') except IOError: print "Failed to open ", sys.argv[1], " for reading" exit(-1) try: proto_out = open(sys.argv[2], 'wb') except IOError: print "Failed to open ", sys.argv[2], " for writing" exit(-1) # Write the magic number in 4-byte Little Endian, similar to what # is done in src/proto/protoio.cc proto_out.write("gem5") # Add the packet header header = packet_pb2.PacketHeader() header.obj_id = "Converted ASCII trace " + sys.argv[1] # Assume the default tick rate header.tick_freq = 1000000000 encodeMessage(proto_out, header) # For each line in the ASCII trace, create a packet message and # write it to the encoded output for line in ascii_in: cmd, addr, size, tick = line.split(',') packet = packet_pb2.Packet() packet.tick = long(tick) # ReadReq is 1 and WriteReq is 4 in src/mem/packet.hh Command enum packet.cmd = 1 if cmd == 'r' else 4 packet.addr = long(addr) packet.size = int(size) encodeMessage(proto_out, packet) # We're done ascii_in.close() proto_out.close()
def create_trace(filename, max_addr, burst_size, itt): try: proto_out = gzip.open(filename, 'wb') except IOError: print "Failed to open ", filename, " for writing" exit(-1) # write the magic number in 4-byte Little Endian, similar to what # is done in src/proto/protoio.cc proto_out.write("gem5") # add the packet header header = packet_pb2.PacketHeader() header.obj_id = "lat_mem_rd for range 0:" + str(max_addr) # assume the default tick rate (1 ps) header.tick_freq = 1000000000000 protolib.encodeMessage(proto_out, header) # create a list of every single address to touch addrs = range(0, max_addr, burst_size) import random random.shuffle(addrs) tick = 0 # create a packet we can re-use for all the addresses packet = packet_pb2.Packet() # ReadReq is 1 in src/mem/packet.hh Command enum packet.cmd = 1 packet.size = int(burst_size) for addr in addrs: packet.tick = long(tick) packet.addr = long(addr) protolib.encodeMessage(proto_out, packet) tick = tick + itt proto_out.close()
#!/usr/bin/env python import sys, io import packet_pb2 as packet import job_pb2 as job import stream # Example from https://developers.google.com/protocol-buffers/docs/pythontutorial if len(sys.argv) != 2: print "Usage:", sys.argv[0], "jobs.pb.gz" sys.exit(-1) # Open the file and discard the header istream = stream.open(sys.argv[1], "rb") for msg in istream: hdr = packet.PacketHeader() hdr.ParseFromString(msg) print hdr #break for msg in istream: jobinfo = job.JobInfo() jobinfo.ParseFromString(msg) print jobinfo # Close the file istream.close()
def main(): if len(sys.argv) != 6: print "Usage: ", sys.argv[ 0], " <protobuf input> <ASCII output> <starting_tick> <ending_tick> <max_packets>" exit(-1) print "Command line arguments:", sys.argv # Open the file in 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", sys.argv[1] exit(-1) print "Parsing packet header" # Add the packet header header = packet_pb2.PacketHeader() protolib.decodeMessage(proto_in, header) print "Object id:", header.obj_id print "Tick frequency:", header.tick_freq starting_tick = long(sys.argv[3]) ending_tick = long(sys.argv[4]) max_packets = long(sys.argv[5]) print "Parsing packets from simulation tick: ", str( starting_tick), " to ", str( ending_tick), " max packets = ", max_packets num_packets = 0 packet = packet_pb2.Packet() currtick = 0 # Decode the packet messages until we hit the end of the file while protolib.decodeMessage(proto_in, packet) and currtick < starting_tick: currtick = long(packet.tick) if currtick >= starting_tick and currtick < ending_tick: print "Found first packet of interest at tick ", str(currtick) while protolib.decodeMessage( proto_in, packet ) and currtick < ending_tick and num_packets < max_packets: num_packets += 1 currtick = long(packet.tick) # ReadReq is 1 and WriteReq is 4 in src/mem/packet.hh Command enum #cmd = 'r' if packet.cmd == 1 else ('w' if packet.cmd == 4 else 'u') # MWG commented out cmd = packet.cmd # MWG if packet.HasField('pkt_id'): ascii_out.write('%s,' % (packet.pkt_id)) if packet.HasField('flags'): if packet.HasField('has_data'): addr = long(packet.addr) size = long(packet.size) flags = long(packet.flags) ascii_out.write('%s,%016X,%016X,%016X,%s,' % (cmd, addr, size, flags, packet.tick)) if packet.has_data == 1: ascii_out.write('1,') ascii_out.write( '%016X,%016X,%016X,%016X,%016X,%016X,%016X,%016X\n' % (packet.data0, packet.data1, packet.data2, packet.data3, packet.data4, packet.data5, packet.data6, packet.data7)) else: ascii_out.write('0,') ascii_out.write('0,0,0,0,0,0,0,0\n') else: display("uh oh, this should not have happened") exit(1) else: display("uh oh, this should not have happened") exit(1) if num_packets % 10000 == 0: print "Packet ", num_packets print "Found last packet of interest at tick ", str(currtick) print "Parsed packets:", num_packets else: print "No packets found in tick range of interest: [", starting_tick, ",", ending_tick, ")" # We're done ascii_out.close() proto_in.close()
def main(): if len(sys.argv) != 3: print "Usage: ", sys.argv[0], " <protobuf input> <ASCII output>" exit(-1) try: # First see if this file is gzipped try: # Opening the file works even if it is not a gzip file proto_in = gzip.open(sys.argv[1], 'rb') # Force a check of the magic number by seeking in the # file. If we do not do it here the error will occur when # reading the first message. proto_in.seek(1) proto_in.seek(0) except IOError: proto_in = open(sys.argv[1], 'rb') except IOError: print "Failed to open ", sys.argv[1], " for reading" exit(-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", sys.argv[1] exit(-1) print "Parsing packet header" # Add the packet header header = packet_pb2.PacketHeader() protolib.decodeMessage(proto_in, header) print "Object id:", header.obj_id print "Tick frequency:", header.tick_freq print "Parsing packets" num_packets = 0 packet = packet_pb2.Packet() # Decode the packet messages until we hit the end of the file while protolib.decodeMessage(proto_in, packet): num_packets += 1 # ReadReq is 1 and WriteReq is 4 in src/mem/packet.hh Command enum cmd = 'r' if packet.cmd == 1 else ('w' if packet.cmd == 4 else 'u') if packet.HasField('pkt_id'): ascii_out.write('%s,' % (packet.pkt_id)) if packet.HasField('flags'): ascii_out.write('%s,%s,%s,%s,%s\n' % (cmd, packet.addr, packet.size, packet.flags, packet.tick)) else: ascii_out.write('%s,%s,%s,%s\n' % (cmd, packet.addr, packet.size, packet.tick)) print "Parsed packets:", num_packets # We're done ascii_out.close() proto_in.close()