mirror of https://github.com/VLSIDA/OpenRAM.git
78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
# See LICENSE for licensing information.
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#
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# Copyright (c) 2016-2021 Regents of the University of California and The Board
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# of Regents for the Oklahoma Agricultural and Mechanical College
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# (acting for and on behalf of Oklahoma State University)
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# All rights reserved.
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#
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"""
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Some baseline functions to run scripts.
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"""
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import os
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import debug
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import subprocess
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import time
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from globals import OPTS
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def run_script(cell_name, script="lvs"):
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""" Run script and create output files. """
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echo_cmd_output = OPTS.verbose_level > 1
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cwd = os.getcwd()
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os.chdir(OPTS.openram_temp)
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errfile = "{0}{1}.{2}.err".format(OPTS.openram_temp, cell_name, script)
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outfile = "{0}{1}.{2}.out".format(OPTS.openram_temp, cell_name, script)
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resultsfile = "{0}{1}.{2}.report".format(OPTS.openram_temp, cell_name, script)
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scriptpath = '{0}run_{1}.sh'.format(OPTS.openram_temp, script)
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debug.info(2, "Starting {}".format(scriptpath))
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start = time.time()
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with open(outfile, 'wb') as fo, open(errfile, 'wb') as fe:
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p = subprocess.Popen(
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[scriptpath], stdout=fo, stderr=fe, cwd=OPTS.openram_temp)
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if echo_cmd_output:
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tailo = subprocess.Popen([
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'tail',
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'-f', # Follow the output
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'--pid', str(p.pid), # Close when this pid exits
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outfile,
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])
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taile = subprocess.Popen([
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'tail',
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'-f', # Follow the output
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'--pid', str(p.pid), # Close when this pid exits
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errfile,
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])
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lastoutput = start
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while p.poll() == None:
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runningfor = time.time() - start
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outputdelta = time.time() - lastoutput
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if outputdelta > 30:
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lastoutput = time.time()
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debug.info(1, "Still running {} ({:.0f} seconds)".format(scriptpath, runningfor))
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time.sleep(1)
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assert p.poll() != None, (p.poll(), p)
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p.wait()
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# Kill the tail commands if they haven't finished.
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if echo_cmd_output:
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if tailo.poll() != None:
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tailo.kill()
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tailo.wait()
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if taile.poll() != None:
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taile.kill()
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taile.wait()
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debug.info(2, "Finished {} with {}".format(scriptpath, p.returncode))
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os.chdir(cwd)
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return (outfile, errfile, resultsfile)
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