OpenRAM/compiler/verify/run_script.py

93 lines
2.9 KiB
Python

# See LICENSE for licensing information.
#
# Copyright (c) 2016-2023 Regents of the University of California and The Board
# of Regents for the Oklahoma Agricultural and Mechanical College
# (acting for and on behalf of Oklahoma State University)
# All rights reserved.
#
"""
Some baseline functions to run scripts.
"""
import os
import subprocess
import time
from openram import debug
from openram import OPTS
def run_script(cell_name, script="lvs"):
""" Run script and create output files. """
echo_cmd_output = OPTS.verbose_level > 1
cwd = os.getcwd()
os.chdir(OPTS.openram_temp)
errfile = "{0}{1}.{2}.err".format(OPTS.openram_temp, cell_name, script)
outfile = "{0}{1}.{2}.out".format(OPTS.openram_temp, cell_name, script)
resultsfile = "{0}{1}.{2}.report".format(OPTS.openram_temp, cell_name, script)
scriptpath = '{0}run_{1}.sh'.format(OPTS.openram_temp, script)
# Wrap with conda activate & conda deactivate
if OPTS.use_conda:
from openram import CONDA_HOME
with open(scriptpath, "r") as f:
script_content = f.readlines()
with open(scriptpath, "w") as f:
# First line is shebang
f.write(script_content[0])
# Activate conda using the activate script
f.write("source {}/bin/activate\n".format(CONDA_HOME))
for line in script_content[1:]:
f.write(line)
# Deactivate conda at the end
f.write("conda deactivate\n")
debug.info(2, "Starting {}".format(scriptpath))
start = time.time()
with open(outfile, 'wb') as fo, open(errfile, 'wb') as fe:
p = subprocess.Popen(
[scriptpath], stdout=fo, stderr=fe, cwd=OPTS.openram_temp)
if echo_cmd_output:
tailo = subprocess.Popen([
'tail',
'-f', # Follow the output
'--pid', str(p.pid), # Close when this pid exits
outfile,
])
taile = subprocess.Popen([
'tail',
'-f', # Follow the output
'--pid', str(p.pid), # Close when this pid exits
errfile,
])
lastoutput = start
while p.poll() == None:
runningfor = time.time() - start
outputdelta = time.time() - lastoutput
if outputdelta > 30:
lastoutput = time.time()
debug.info(1, "Still running {} ({:.0f} seconds)".format(scriptpath, runningfor))
time.sleep(1)
assert p.poll() != None, (p.poll(), p)
p.wait()
# Kill the tail commands if they haven't finished.
if echo_cmd_output:
if tailo.poll() != None:
tailo.kill()
tailo.wait()
if taile.poll() != None:
taile.kill()
taile.wait()
debug.info(2, "Finished {} with {}".format(scriptpath, p.returncode))
os.chdir(cwd)
return (outfile, errfile, resultsfile)