63 lines
1.6 KiB
Python
63 lines
1.6 KiB
Python
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#!/usr/bin/env python
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# This file was originally written by Matthew Naylor, University of
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# Cambridge.
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#
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# This software was partly developed by the University of Cambridge
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# Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237
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# ("CTSRD"), as part of the DARPA CRASH research programme.
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#
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# This software was partly developed by the University of Cambridge
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# Computer Laboratory under DARPA/AFRL contract FA8750-11-C-0249
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# ("MRC2"), as part of the DARPA MRC research programme.
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#
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# This software was partly developed by the University of Cambridge
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# Computer Laboratory as part of the Rigorous Engineering of
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# Mainstream Systems (REMS) project, funded by EPSRC grant
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# EP/K008528/1.
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# -------
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# Outline
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# -------
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# Usage:
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#
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# tracegen.py EMULATOR SEED
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#
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# This script generates a trace using the given emulator (built
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# with CONFIG=TraceGenConfig). It waits until all cores have
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# completed trace generation before terminating the emulator.
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import sys
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import subprocess
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import re
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def main():
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if len(sys.argv) != 3:
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sys.stderr.write("Usage: tracegen.py EMULATOR SEED\n")
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sys.exit(-1)
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p = subprocess.Popen([sys.argv[1], "+verbose", "-s" + sys.argv[2]],
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stderr=subprocess.PIPE, stdout=subprocess.PIPE)
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if p == None:
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sys.stderr.write("File not found: " + sys.argv[1] + "\n")
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sys.exit(-1)
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numFinished = 0
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while True:
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line = p.stderr.readline()
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if line[0:9] == "FINISHED ":
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total = int(line[9:-1])
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numFinished = numFinished + 1
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if numFinished == total:
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break
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else:
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print line,
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p.terminate()
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try:
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main()
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except KeyboardInterrupt:
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sys.exit(-1)
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