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#!/usr/bin/env python3
import argparse
import datetime
import importlib
import os
import subprocess
import src.facter
import src.allocators
benchmarks = ["loop", "mysql", "falsesharing", "dj_trace", "larson"]
parser = argparse.ArgumentParser(description="benchmark memory allocators")
parser.add_argument("-s", "--save", help="save benchmark results to disk", action='store_true')
parser.add_argument("-l", "--load", help="load benchmark results from directory", type=str)
parser.add_argument("-a", "--allocators", help="load allocator definitions from file", type=str)
parser.add_argument("-r", "--runs", help="how often the benchmarks run", default=3, type=int)
parser.add_argument("-v", "--verbose", help="more output", action='store_true')
parser.add_argument("-b", "--benchmarks", help="benchmarks to run", nargs='+')
parser.add_argument("-ns", "--nosum", help="don't produce plots", action='store_true')
parser.add_argument("-sd", "--resultdir", help="directory where all results go", type=str)
parser.add_argument("--license", help="print license info and exit", action='store_true')
def main():
args = parser.parse_args()
if args.license:
print("Copyright (C) 2018-2019 Florian Fischer")
print("License GPLv3: GNU GPL version 3 <http://gnu.org/licenses/gpl.html>")
return
if args.verbose:
print(args)
# Prepare allocbench
print("Building allocbench")
make_cmd = ["make"]
if not args.verbose:
make_cmd.append("-s")
subprocess.run(make_cmd)
allocators_file = os.path.join("build", "allocators", "allocators.py")
if args.allocators or os.path.isfile(allocators_file):
allocators_files = args.allocators or allocators_file
with open(allocators_files, "r") as f:
g = {"verbose": args.verbose}
exec(f.read(), g)
src.allocators.allocators = g["allocators"]
if args.verbose:
print("Allocators:", *src.allocators.allocators.keys())
if args.save or not args.nosum and not (args.runs < 1 and not args.load):
if args.resultdir:
resdir = os.path.join(args.resultdir)
else:
resdir = os.path.join("results", src.facter.get_hostname(),
datetime.datetime.now().strftime("%Y-%m-%dT%H:%M"))
try:
os.makedirs(resdir)
except FileExistsError:
pass
for bench in benchmarks:
bench = eval("importlib.import_module('src.{0}').{0}".format(bench))
if args.benchmarks and not bench.name in args.benchmarks:
continue
if args.load:
bench.load(path=args.load)
if args.runs > 0:
print("Preparing", bench.name, "...")
if not bench.prepare():
print("Preparing", bench.name, "failed!")
return
if not bench.run(runs=args.runs, verbose=args.verbose):
continue
if args.save or not args.nosum and not (args.runs < 1 and not args.load):
old_cwd = os.getcwd()
os.chdir(resdir)
if args.save:
bench.save()
if not args.nosum and not (args.runs < 1 and not args.load):
try:
os.mkdir(bench.name)
except FileExistsError:
pass
os.chdir(bench.name)
print("Summarizing", bench.name, "...")
bench.summary()
os.chdir(old_cwd)
if args.runs > 0 and hasattr(bench, "cleanup"):
print("Cleaning up", bench.name, "...")
bench.cleanup()
if __name__ == "__main__":
main()
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