110 lines
4.2 KiB
Python
110 lines
4.2 KiB
Python
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#!/usr/bin/env python
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# Copyright (c) 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: Andreas Hansson
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import sys
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import re
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import math
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# This utility script parses through the debug output looking for
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# lines printed by the DRAMPowerTrace debug flag. For all such lines,
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# it sorts the entries based on the timestamp and outputs it to a new
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# file in a format that DRAMPower accepts.
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def main():
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if len(sys.argv) != 4:
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print "Usage: ", sys.argv[0], " <simout> <rank> <command output>"
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exit(-1)
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try:
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sim_in = open(sys.argv[1], 'r')
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except IOError:
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print "Failed to open ", sys.argv[1], " for reading"
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exit(-1)
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try:
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rank = int(sys.argv[2])
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except ValueError:
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print "Failed to determine rank from ", sys.argv[2]
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exit(-1)
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try:
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cmd_out = open(sys.argv[3], 'w')
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except IOError:
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print "Failed to open ", sys.argv[3], " for writing"
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exit(-1)
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# Due to the out-of-order printing from the event-based DRAM
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# controller model, we need to sort the commands by time stamp. We
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# use the refresh as the ordering point
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history = []
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# For each line in the debug trace output
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for line in sim_in:
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# Search for a line with the right format. At the moment this
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# is rather dangerous, and could be made more robust.
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if re.search('\d+: .*: \d+,[A-Z]+,\d+,\d+', line):
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cmd = line.split(' ')[-1]
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cmd_cycle, cmd_name, cmd_bank, cmd_rank = cmd.split(',')
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# only look at the commands for the specific rank
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if (int(cmd_rank) == rank):
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# Do the conversion to clock cycles so we can use it to
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# sort
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cmd_cycle = int(cmd_cycle)
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# Append this to the history
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history.append((cmd_cycle, cmd_name, cmd_bank))
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# If we are refreshing, print the history and flush it
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if cmd_name == "REF":
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history.sort(key = lambda tup: tup[0])
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for (c, n, b) in history:
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cmd_entry = "%d,%s,%s\n" % (c, n, b)
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cmd_out.write(cmd_entry)
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history = []
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# We're done
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sim_in.close()
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cmd_out.close()
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if __name__ == "__main__":
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main()
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