Esempio n. 1
0
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
    protolib.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)
        protolib.encodeMessage(proto_out, packet)

    # We're done
    ascii_in.close()
    proto_out.close()
Esempio n. 2
0
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
    protolib.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)
        protolib.encodeMessage(proto_out, packet)

    # We're done
    ascii_in.close()
    proto_out.close()
Esempio n. 3
0
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()
Esempio n. 4
0
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 = list(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()
Esempio n. 5
0
def main():
    if len(sys.argv) != 3:
        print "Usage: ", sys.argv[0], " <ASCII input> <protobuf output>"
        exit(-1)

    # Open the file in write mode
    proto_out = open(sys.argv[2], 'wb')

    # Open the file in read mode
    try:
        ascii_in = open(sys.argv[1], 'r')
    except IOError:
        print "Failed to open ", sys.argv[1], " for reading"
        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 = inst_dep_record_pb2.InstDepRecordHeader()
    header.obj_id = "Converted ASCII trace " + sys.argv[1]
    # Assume the default tick rate
    header.tick_freq = 1000000000
    header.window_size = 120
    protolib.encodeMessage(proto_out, header)

    print "Creating enum name,value lookup from proto"
    enumValues = {}
    for namestr, valdesc in DepRecord.DESCRIPTOR.enum_values_by_name.items():
        print '\t', namestr, valdesc.number
        enumValues[namestr] = valdesc.number

    num_records = 0
    # For each line in the ASCII trace, create a packet message and
    # write it to the encoded output
    for line in ascii_in:
        inst_info_str, rob_dep_str, reg_dep_str = (line.strip()).split(':')
        inst_info_list = inst_info_str.split(',')
        dep_record = DepRecord()

        dep_record.seq_num = long(inst_info_list[0])
        dep_record.pc = long(inst_info_list[1])
        dep_record.weight = long(inst_info_list[2])
        # If the type is not one of the enum values, it should be a key error
        try:
            dep_record.type = enumValues[inst_info_list[3]]
        except KeyError:
            print "Seq. num", dep_record.seq_num, "has unsupported type", \
                inst_info_list[3]
            exit(-1)

        if dep_record.type == DepRecord.INVALID:
            print "Seq. num", dep_record.seq_num, "is of INVALID type"
            exit(-1)

        # If the instruction is a load or store record the physical addr,
        # size flags in addition to recording the computation delay
        if dep_record.type in [DepRecord.LOAD, DepRecord.STORE]:
            p_addr, size, flags, comp_delay = inst_info_list[4:8]
            dep_record.p_addr = long(p_addr)
            dep_record.size = int(size)
            dep_record.flags = int(flags)
            dep_record.comp_delay = long(comp_delay)
        else:
            comp_delay = inst_info_list[4]
            dep_record.comp_delay = long(comp_delay)

        # Parse the register and order dependencies both of which are
        # repeated fields. An empty list is valid.
        rob_deps = rob_dep_str.strip().split(',')
        for a_dep in rob_deps:
            # if the string is empty, split(',') returns 1 item: ''
            # if the string is ",4", split(',') returns 2 items: '', '4'
            # long('') gives error, so check if the item is non-empty
            if a_dep:
                dep_record.rob_dep.append(long(a_dep))

        reg_deps = reg_dep_str.split(',')
        for a_dep in reg_deps:
            if a_dep:
                dep_record.reg_dep.append(long(a_dep))

        protolib.encodeMessage(proto_out, dep_record)
        num_records += 1

    print "Converted", num_records, "records."
    # We're done
    ascii_in.close()
    proto_out.close()
def main():
    if len(sys.argv) != 3:
        print "Usage: ", sys.argv[0], " <ASCII input> <protobuf output>"
        exit(-1)

    # Open the file in write mode
    proto_out = open(sys.argv[2], 'wb')

    # Open the file in read mode
    try:
        ascii_in = open(sys.argv[1], 'r')
    except IOError:
        print "Failed to open ", sys.argv[1], " for reading"
        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 = inst_dep_record_pb2.InstDepRecordHeader()
    header.obj_id = "Converted ASCII trace " + sys.argv[1]
    # Assume the default tick rate
    header.tick_freq = 1000000000
    header.window_size = 120
    protolib.encodeMessage(proto_out, header)

    print "Creating enum name,value lookup from proto"
    enumValues = {}
    for namestr, valdesc in DepRecord.DESCRIPTOR.enum_values_by_name.items():
        print '\t', namestr, valdesc.number
        enumValues[namestr] = valdesc.number

    num_records = 0
    # For each line in the ASCII trace, create a packet message and
    # write it to the encoded output
    for line in ascii_in:
        inst_info_str, rob_dep_str, reg_dep_str = (line.strip()).split(':')
        inst_info_list = inst_info_str.split(',')
        dep_record = DepRecord()

        dep_record.seq_num = long(inst_info_list[0])
        dep_record.pc = long(inst_info_list[1])
        dep_record.weight = long(inst_info_list[2])
        # If the type is not one of the enum values, it should be a key error
        try:
            dep_record.type = enumValues[inst_info_list[3]]
        except KeyError:
            print "Seq. num", dep_record.seq_num, "has unsupported type", \
                inst_info_list[3]
            exit(-1)

        if dep_record.type == DepRecord.INVALID:
            print "Seq. num", dep_record.seq_num, "is of INVALID type"
            exit(-1)

        # If the instruction is a load or store record the physical addr,
        # size flags in addition to recording the computation delay
        if dep_record.type in [DepRecord.LOAD, DepRecord.STORE]:
            p_addr, size, flags, comp_delay = inst_info_list[4:8]
            dep_record.p_addr = long(p_addr)
            dep_record.size = int(size)
            dep_record.flags = int(flags)
            dep_record.comp_delay = long(comp_delay)
        else:
            comp_delay = inst_info_list[4]
            dep_record.comp_delay = long(comp_delay)

        # Parse the register and order dependencies both of which are
        # repeated fields. An empty list is valid.
        rob_deps = rob_dep_str.strip().split(',')
        for a_dep in rob_deps:
            # if the string is empty, split(',') returns 1 item: ''
            # if the string is ",4", split(',') returns 2 items: '', '4'
            # long('') gives error, so check if the item is non-empty
            if a_dep:
                dep_record.rob_dep.append(long(a_dep))

        reg_deps = reg_dep_str.split(',')
        for a_dep in reg_deps:
            if a_dep:
                dep_record.reg_dep.append(long(a_dep))

        protolib.encodeMessage(proto_out, dep_record)
        num_records += 1

    print "Converted", num_records, "records."
    # We're done
    ascii_in.close()
    proto_out.close()