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>
218 lines
8.3 KiB
Python
Executable file
218 lines
8.3 KiB
Python
Executable file
#!/usr/bin/env python2
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# Copyright (c) 2013 - 2015 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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# Copyright 2008 Google Inc. All rights reserved.
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# http://code.google.com/p/protobuf/
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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:
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#
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# * 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
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. 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: Radhika Jagtap
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#
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# This script is used to dump protobuf traces of the instruction dependency
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# graph to ASCII format.
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#
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# The ASCII trace format uses one line per instruction with the format
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# instruction sequence number, (optional) pc, (optional) weight, type
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# (optional) flags, (optional) phys addr, (optional) size, comp delay,
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# (repeated) order dependencies comma-separated, and (repeated) register
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# dependencies comma-separated.
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#
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# examples:
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# seq_num,[pc],[weight,]type,[p_addr,size,flags,]comp_delay:[rob_dep]:
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# [reg_dep]
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# 1,35652,1,COMP,8500::
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# 2,35656,1,COMP,0:,1:
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# 3,35660,1,LOAD,1748752,4,74,500:,2:
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# 4,35660,1,COMP,0:,3:
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# 5,35664,1,COMP,3000::,4
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# 6,35666,1,STORE,1748752,4,74,1000:,3:,4,5
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# 7,35666,1,COMP,3000::,4
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# 8,35670,1,STORE,1748748,4,74,0:,6,3:,7
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# 9,35670,1,COMP,500::,7
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import protolib
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import sys
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# Import the packet proto definitions. If they are not found, attempt
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# to generate them automatically. This assumes that the script is
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# executed from the gem5 root.
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try:
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import inst_dep_record_pb2
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except:
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print "Did not find proto definition, 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_dep_record.proto'])
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if not error:
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import inst_dep_record_pb2
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print "Generated proto definitions for instruction dependency record"
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else:
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print "Failed to import 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 on 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"
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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 = inst_dep_record_pb2.InstDepRecordHeader()
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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 "Parsing packets"
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print "Creating enum value,name lookup from proto"
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enumNames = {}
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desc = inst_dep_record_pb2.InstDepRecord.DESCRIPTOR
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for namestr, valdesc in desc.enum_values_by_name.items():
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print '\t', valdesc.number, namestr
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enumNames[valdesc.number] = namestr
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num_packets = 0
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num_regdeps = 0
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num_robdeps = 0
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packet = inst_dep_record_pb2.InstDepRecord()
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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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# Write to file the seq num
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ascii_out.write('%s' % (packet.seq_num))
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# Write to file the pc of the instruction, default is 0
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if packet.HasField('pc'):
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ascii_out.write(',%s' % (packet.pc))
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else:
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ascii_out.write(',0')
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# Write to file the weight, default is 1
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if packet.HasField('weight'):
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ascii_out.write(',%s' % (packet.weight))
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else:
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ascii_out.write(',1')
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# Write to file the type of the record
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try:
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ascii_out.write(',%s' % enumNames[packet.type])
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except KeyError:
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print "Seq. num", packet.seq_num, "has unsupported type", \
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packet.type
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exit(-1)
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# Write to file if it has the optional fields physical addr, size,
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# flags
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if packet.HasField('p_addr'):
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ascii_out.write(',%s' % (packet.p_addr))
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if packet.HasField('size'):
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ascii_out.write(',%s' % (packet.size))
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if packet.HasField('flags'):
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ascii_out.write(',%s' % (packet.flags))
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# Write to file the comp delay
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ascii_out.write(',%s' % (packet.comp_delay))
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# Write to file the repeated field order dependency
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ascii_out.write(':')
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if packet.rob_dep:
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num_robdeps += 1
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for dep in packet.rob_dep:
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ascii_out.write(',%s' % dep)
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# Write to file the repeated field register dependency
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ascii_out.write(':')
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if packet.reg_dep:
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num_regdeps += 1 # No. of packets with atleast 1 register dependency
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for dep in packet.reg_dep:
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ascii_out.write(',%s' % dep)
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# New line
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ascii_out.write('\n')
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print "Parsed packets:", num_packets
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print "Packets with at least 1 reg dep:", num_regdeps
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print "Packets with at least 1 rob dep:", num_robdeps
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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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