87b9f0b87b
In some newer Linux distributions, env python default to Python 3.0. This patch explicitly uses "python2" instead of just "python" for all scripts that use #! Reported-by: Sanchayan Maity <maitysanchayan@gmail.com> Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
152 lines
5.3 KiB
Python
Executable file
152 lines
5.3 KiB
Python
Executable file
#!/usr/bin/env python2
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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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#
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# Authors: Ali Saidi
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# Andreas Hansson
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# This script is used to dump protobuf instruction traces to ASCII
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# format. It assumes that protoc has been executed and already
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# generated the Python package for the inst messages. This can
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# be done manually using:
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# protoc --python_out=. inst.proto
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# The ASCII trace format uses one line per request.
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import protolib
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import sys
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# Import the packet proto definitions
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try:
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import inst_pb2
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except:
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print "Did not find protobuf inst definitions, attempting to generate"
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from subprocess import call
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error = call(['protoc', '--python_out=util', '--proto_path=src/proto',
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'src/proto/inst.proto'])
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if not error:
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print "Generated inst proto definitions"
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try:
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import google.protobuf
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except:
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print "Please install Python protobuf module"
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exit(-1)
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import inst_pb2
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else:
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print "Failed to import inst proto definitions"
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exit(-1)
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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 IOError:
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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)
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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 instruction header"
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# Add the packet header
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header = inst_pb2.InstHeader()
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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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print "Memory addresses included:", header.has_mem
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if header.ver != 0:
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print "Warning: file version newer than decoder:", header.ver
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print "This decoder may not understand how to decode this file"
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print "Parsing instructions"
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num_insts = 0
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inst = inst_pb2.Inst()
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# Decode the inst messages until we hit the end of the file
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optional_fields = ('tick', 'type', 'inst_flags', 'addr', 'size', 'mem_flags')
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while protolib.decodeMessage(proto_in, inst):
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# If we have a tick use it, otherwise count instructions
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if inst.HasField('tick'):
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tick = inst.tick
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else:
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tick = num_insts
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if inst.HasField('nodeid'):
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node_id = inst.nodeid
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else:
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node_id = 0;
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if inst.HasField('cpuid'):
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cpu_id = inst.cpuid
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else:
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cpu_id = 0;
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ascii_out.write('%-20d: (%03d/%03d) %#010x @ %#016x ' % (tick, node_id, cpu_id,
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inst.inst, inst.pc))
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if inst.HasField('type'):
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ascii_out.write(' : %10s' % inst_pb2._INST_INSTTYPE.values_by_number[inst.type].name)
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for mem_acc in inst.mem_access:
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ascii_out.write(" %#x-%#x;" % (mem_acc.addr, mem_acc.addr + mem_acc.size))
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ascii_out.write('\n')
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num_insts += 1
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print "Parsed instructions:", num_insts
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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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