changeset 3db78b2af869 in /z/repo/gem5
details: http://repo.gem5.org/gem5?cmd=changeset;node=3db78b2af869
description:
util: Add decode and encode scripts for elastic traces
This patch adds python scripts to parse a protobuf encoded O3CPU
elastic trace and convert it to a text file output and vice versa.
diffstat:
util/decode_inst_dep_trace.py | 200 ++++++++++++++++++++++++++++++++++++++++++
util/encode_inst_dep_trace.py | 189 +++++++++++++++++++++++++++++++++++++++
2 files changed, 389 insertions(+), 0 deletions(-)
diffs (truncated from 397 to 300 lines):
diff -r 0733a1c08600 -r 3db78b2af869 util/decode_inst_dep_trace.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/util/decode_inst_dep_trace.py Mon Dec 07 16:42:15 2015 -0600
@@ -0,0 +1,200 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2013 - 2015 ARM Limited
+# All rights reserved
+#
+# The license below extends only to copyright in the software and shall
+# not be construed as granting a license to any other intellectual
+# property including but not limited to intellectual property relating
+# to a hardware implementation of the functionality of the software
+# licensed hereunder. You may use the software subject to the license
+# terms below provided that you ensure that this notice is replicated
+# unmodified and in its entirety in all distributions of the software,
+# modified or unmodified, in source code or in binary form.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Copyright 2008 Google Inc. All rights reserved.
+# http://code.google.com/p/protobuf/
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Radhika Jagtap
+#
+
+# This script is used to dump protobuf traces of the instruction dependency
+# graph to ASCII format.
+#
+# The ASCII trace format uses one line per instruction with the format
+# instruction sequence number, (optional) pc, (optional) weight, load, store,
+# (optional) flags, (optional) addr, (optional) size, comp delay,
+# (repeated) order dependencies comma-separated, and (repeated) register
+# dependencies comma-separated.
+#
+# examples:
+# seq_num,[pc],[weight,]load,store,[address,size,flags,]comp_delay:[rob_dep]:
+# [reg_dep]
+# 1,1,False,False,8500::
+# 2,1,False,False,1000:,1:
+# 3,1,True,False,831248,4,74,500:,2:
+# 4,1,False,False,0:,2:
+# 5,1,False,False,500::,4
+# 6,1,False,True,831248,4,74,1000:,3:,4,5
+
+import protolib
+import sys
+
+# Import the packet proto definitions. If they are not found, attempt
+# to generate them automatically. This assumes that the script is
+# executed from the gem5 root.
+try:
+ import inst_dep_record_pb2
+except:
+ print "Did not find proto definition, attempting to generate"
+ from subprocess import call
+ error = call(['protoc', '--python_out=util', '--proto_path=src/proto',
+ 'src/proto/inst_dep_record.proto'])
+ if not error:
+ import inst_dep_record_pb2
+ print "Generated proto definitions for instruction dependency record"
+ else:
+ print "Failed to import proto definitions"
+ exit(-1)
+
+def main():
+ if len(sys.argv) != 3:
+ print "Usage: ", sys.argv[0], " <protobuf input> <ASCII output>"
+ exit(-1)
+
+ # Open the file on 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"
+ exit(-1)
+
+ print "Parsing packet header"
+
+ # Add the packet header
+ header = inst_dep_record_pb2.InstDepRecordHeader()
+ protolib.decodeMessage(proto_in, header)
+
+ print "Object id:", header.obj_id
+ print "Tick frequency:", header.tick_freq
+
+ print "Parsing packets"
+
+ num_packets = 0
+ num_regdeps = 0
+ num_robdeps = 0
+ packet = inst_dep_record_pb2.InstDepRecord()
+
+ # Decode the packet messages until we hit the end of the file
+ while protolib.decodeMessage(proto_in, packet):
+ num_packets += 1
+
+ # Write to file the seq num
+ ascii_out.write('%s' % (packet.seq_num))
+ # Write to file the pc of the instruction, default is 0
+ if packet.HasField('pc'):
+ ascii_out.write(',%s' % (packet.pc))
+ else:
+ ascii_out.write(',0')
+ # Write to file the weight, default is 1
+ if packet.HasField('weight'):
+ ascii_out.write(',%s' % (packet.weight))
+ else:
+ ascii_out.write(',1')
+ # Write to file if it is a load and if it is a store
+ ascii_out.write(',%s,%s' % (packet.load, packet.store))
+
+ # Write to file if it has the optional fields addr, size, flags
+ if packet.HasField('addr'):
+ ascii_out.write(',%s' % (packet.addr))
+ if packet.HasField('size'):
+ ascii_out.write(',%s' % (packet.size))
+ if packet.HasField('flags'):
+ ascii_out.write(',%s' % (packet.flags))
+
+ # Write to file the comp delay
+ ascii_out.write(',%s' % (packet.comp_delay))
+
+ # Write to file the repeated field order dependency
+ ascii_out.write(':')
+ if packet.rob_dep:
+ num_robdeps += 1
+ for dep in packet.rob_dep:
+ ascii_out.write(',%s' % dep)
+ # Write to file the repeated field register dependency
+ ascii_out.write(':')
+ if packet.reg_dep:
+ num_regdeps += 1 # No. of packets with atleast 1 register
dependency
+ for dep in packet.reg_dep:
+ ascii_out.write(',%s' % dep)
+ # New line
+ ascii_out.write('\n')
+
+ print "Parsed packets:", num_packets
+ print "Packets with at least 1 reg dep:", num_regdeps
+ print "Packets with at least 1 rob dep:", num_robdeps
+
+ # We're done
+ ascii_out.close()
+ proto_in.close()
+
+if __name__ == "__main__":
+ main()
diff -r 0733a1c08600 -r 3db78b2af869 util/encode_inst_dep_trace.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/util/encode_inst_dep_trace.py Mon Dec 07 16:42:15 2015 -0600
@@ -0,0 +1,189 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2015 ARM Limited
+# All rights reserved
+#
+# The license below extends only to copyright in the software and shall
+# not be construed as granting a license to any other intellectual
+# property including but not limited to intellectual property relating
+# to a hardware implementation of the functionality of the software
+# licensed hereunder. You may use the software subject to the license
+# terms below provided that you ensure that this notice is replicated
+# unmodified and in its entirety in all distributions of the software,
+# modified or unmodified, in source code or in binary form.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met: redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer;
+# redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution;
+# neither the name of the copyright holders nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Copyright 2008 Google Inc. All rights reserved.
+# http://code.google.com/p/protobuf/
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Radhika Jagtap
+#
+
+# This script is used to dump ASCII traces of the instruction dependency
+# graph to protobuf format.
+#
+# The ASCII trace format uses one line per instruction with the format
+# instruction sequence number, (optional) pc, (optional) weight, load, store,
+# (optional) flags, (optional) addr, (optional) size, comp delay,
+# (repeated) order dependencies comma-separated, and (repeated) register
+# dependencies comma-separated.
+#
+# examples:
+# seq_num,[pc],[weight,]load,store,[address,size,flags,]comp_delay:[rob_dep]:
+# [reg_dep]
+# 1,1,False,False,8500::
+# 2,1,False,False,1000:,1:
+# 3,1,True,False,831248,4,74,500:,2:
+# 4,1,False,False,0:,2:
+# 5,1,False,False,500::,4
+# 6,1,False,True,831248,4,74,1000:,3:,4,5
+
+import protolib
+import sys
+
+# Import the packet proto definitions. If they are not found, attempt
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