cvw/sim/bpred-sim.py
2023-03-04 17:20:45 -06:00

131 lines
4.4 KiB
Python
Executable File

#!/usr/bin/python3
##################################
#
# regression-wally
# David_Harris@Hmc.edu 25 January 2021
# Modified by Jarred Allen <jaallen@g.hmc.edu>
#
# Run a regression with multiple configurations in parallel and exit with
# non-zero status code if an error happened, as well as printing human-readable
# output.
#
##################################
import sys,os,shutil
class bcolors:
HEADER = '\033[95m'
OKBLUE = '\033[94m'
OKCYAN = '\033[96m'
OKGREEN = '\033[92m'
WARNING = '\033[93m'
FAIL = '\033[91m'
ENDC = '\033[0m'
BOLD = '\033[1m'
UNDERLINE = '\033[4m'
from collections import namedtuple
regressionDir = os.path.dirname(os.path.abspath(__file__))
os.chdir(regressionDir)
TestCase = namedtuple("TestCase", ['name', 'variant', 'cmd', 'grepstr'])
# name: the name of this test configuration (used in printing human-readable
# output and picking logfile names)
# cmd: the command to run to test (should include the logfile as '{}', and
# the command needs to write to that file)
# grepstr: the string to grep through the log file for. The test succeeds iff
# grep finds that string in the logfile (is used by grep, so it may
# be any pattern grep accepts, see `man 1 grep` for more info).
# edit this list to add more test cases
configs = [
TestCase(
name="lints",
variant="all",
cmd="./lint-wally | tee {}",
grepstr="All lints run with no errors or warnings"
)
]
bpdSize = [6, 8, 10, 12, 14, 16]
bpdType = ['twobit', 'gshare']
for CurrBPType in bpdType:
for CurrBPSize in bpdSize:
name = CurrBPType+str(CurrBPSize)
configOptions = "+define+INSTR_CLASS_PRED=0 +define+BPRED_TYPE=\"BP_" + CurrBPType.upper() + "\" +define+BPRED_SIZE=" + str(CurrBPSize)
tc = TestCase(
name=name,
variant="rv32gc",
cmd="vsim > {} -c <<!\ndo wally-batch.do rv32gc configOptions " + name + " embench " + configOptions,
grepstr="")
configs.append(tc)
import os
from multiprocessing import Pool, TimeoutError
def search_log_for_text(text, logfile):
"""Search through the given log file for text, returning True if it is found or False if it is not"""
grepcmd = "grep -e '%s' '%s' > /dev/null" % (text, logfile)
return os.system(grepcmd) == 0
def run_test_case(config):
"""Run the given test case, and return 0 if the test suceeds and 1 if it fails"""
logname = "logs/"+config.variant+"_"+config.name+".log"
cmd = config.cmd.format(logname)
print(cmd)
os.chdir(regressionDir)
os.system(cmd)
if search_log_for_text(config.grepstr, logname):
print(f"{bcolors.OKGREEN}%s_%s: Success{bcolors.ENDC}" % (config.variant, config.name))
return 0
else:
print(f"{bcolors.FAIL}%s_%s: Failures detected in output{bcolors.ENDC}" % (config.variant, config.name))
print(" Check %s" % logname)
return 1
def main():
"""Run the tests and count the failures"""
TIMEOUT_DUR = 10800 # 3 hours
global configs
try:
os.chdir(regressionDir)
os.mkdir("logs")
#print(os.getcwd())
#print(regressionDir)
except:
pass
try:
shutil.rmtree("wkdir")
except:
pass
finally:
os.mkdir("wkdir")
if '-makeTests' in sys.argv:
os.chdir(regressionDir)
os.system('./make-tests.sh | tee ./logs/make-tests.log')
# Scale the number of concurrent processes to the number of test cases, but
# max out at a limited number of concurrent processes to not overwhelm the system
with Pool(processes=min(len(configs),40)) as pool:
num_fail = 0
results = {}
for config in configs:
results[config] = pool.apply_async(run_test_case,(config,))
for (config,result) in results.items():
try:
num_fail+=result.get(timeout=TIMEOUT_DUR)
except TimeoutError:
num_fail+=1
print(f"{bcolors.FAIL}%s_%s: Timeout - runtime exceeded %d seconds{bcolors.ENDC}" % (config.variant, config.name, TIMEOUT_DUR))
# Count the number of failures
if num_fail:
print(f"{bcolors.FAIL}Regression failed with %s failed configurations{bcolors.ENDC}" % num_fail)
else:
print(f"{bcolors.OKGREEN}SUCCESS! All tests ran without failures{bcolors.ENDC}")
return num_fail
if __name__ == '__main__':
exit(main())