d11c40dcac
This ensures `isort` is applied to all files in the repo. Change-Id: Ib7ced1c924ef1639542bf0d1a01c5737f6ba43e9
118 lines
4.2 KiB
Python
Executable File
118 lines
4.2 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2013-2014 ARM Limited
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# All rights reserved
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#
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# The license below extends only to copyright in the software and shall
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# not be construed as granting a license to any other intellectual
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# property including but not limited to intellectual property relating
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# to a hardware implementation of the functionality of the software
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# licensed hereunder. You may use the software subject to the license
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# terms below provided that you ensure that this notice is replicated
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# unmodified and in its entirety in all distributions of the software,
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# modified or unmodified, in source code or in binary form.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# This script is used to dump protobuf packet traces to ASCII
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# format.
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import os
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import subprocess
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import sys
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import protolib
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util_dir = os.path.dirname(os.path.realpath(__file__))
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# Make sure the proto definitions are up to date.
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subprocess.check_call(["make", "--quiet", "-C", util_dir, "packet_pb2.py"])
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import packet_pb2
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def main():
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if len(sys.argv) != 3:
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print("Usage: ", sys.argv[0], " <protobuf input> <ASCII output>")
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exit(-1)
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# Open the file in read mode
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proto_in = protolib.openFileRd(sys.argv[1])
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try:
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ascii_out = open(sys.argv[2], "w")
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except OSError:
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print("Failed to open ", sys.argv[2], " for writing")
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exit(-1)
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# Read the magic number in 4-byte Little Endian
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magic_number = proto_in.read(4).decode()
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if magic_number != "gem5":
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print("Unrecognized file", sys.argv[1])
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exit(-1)
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print("Parsing packet header")
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# Add the packet header
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header = packet_pb2.PacketHeader()
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protolib.decodeMessage(proto_in, header)
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print("Object id:", header.obj_id)
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print("Tick frequency:", header.tick_freq)
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for id_string in header.id_strings:
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print("Master id %d: %s" % (id_string.key, id_string.value))
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print("Parsing packets")
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num_packets = 0
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packet = packet_pb2.Packet()
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# Decode the packet messages until we hit the end of the file
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while protolib.decodeMessage(proto_in, packet):
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num_packets += 1
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# ReadReq is 1 and WriteReq is 4 in src/mem/packet.hh Command enum
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cmd = "r" if packet.cmd == 1 else ("w" if packet.cmd == 4 else "u")
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if packet.HasField("pkt_id"):
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ascii_out.write(f"{packet.pkt_id},")
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if packet.HasField("flags"):
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ascii_out.write(
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f"{cmd},{packet.addr},{packet.size},{packet.flags},{packet.tick}"
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)
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else:
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ascii_out.write(f"{cmd},{packet.addr},{packet.size},{packet.tick}")
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if packet.HasField("pc"):
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ascii_out.write(f",{packet.pc}\n")
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else:
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ascii_out.write("\n")
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print("Parsed packets:", num_packets)
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# We're done
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ascii_out.close()
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proto_in.close()
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if __name__ == "__main__":
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main()
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