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Diffstat (limited to 'src/cpu/o3/probe/ElasticTrace.py')
| -rw-r--r-- | src/cpu/o3/probe/ElasticTrace.py | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/cpu/o3/probe/ElasticTrace.py b/src/cpu/o3/probe/ElasticTrace.py new file mode 100644 index 000000000..fb3093a2c --- /dev/null +++ b/src/cpu/o3/probe/ElasticTrace.py @@ -0,0 +1,62 @@ +# 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. +# +# Authors: Radhika Jagtap +# Andreas Hansson +# Thomas Grass + +from Probe import * + +class ElasticTrace(ProbeListenerObject): + type = 'ElasticTrace' + cxx_header = 'cpu/o3/probe/elastic_trace.hh' + + # Trace files for the following params are created in the output directory. + # User is forced to provide these when an instance of this class is created. + instFetchTraceFile = Param.String(desc="Protobuf trace file name for " \ + "instruction fetch tracing") + dataDepTraceFile = Param.String(desc="Protobuf trace file name for " \ + "data dependency tracing") + # The dependency window size param must be equal to or greater than the + # number of entries in the O3CPU ROB, a typical value is 3 times ROB size + depWindowSize = Param.Unsigned(desc="Instruction window size used for " \ + "recording and processing data " \ + "dependencies") + # The committed instruction count from which to start tracing + startTraceInst = Param.UInt64(0, "The number of committed instructions " \ + "after which to start tracing. Default " \ + "zero means start tracing from first " \ + "committed instruction.") + |