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#!/usr/bin/env python3
import argparse
import datetime
import importlib
import os
import subprocess
import src.allocators
import src.facter
import src.globalvars
from src.util import *
benchmarks = ["loop", "mysql", "falsesharing", "dj_trace", "larson"]
parser = argparse.ArgumentParser(description="benchmark memory allocators")
parser.add_argument("-ds, --dont-save", action='store_true', dest="dont_save",
help="don't save benchmark results in RESULTDIR")
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='count')
parser.add_argument("-vdebug", "--verbose-debug", help="debug output",
action='store_true', dest="verbose_debug")
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("-rd", "--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
# Set global verbosity
# quiet | -1: Don't output to stdout
# default | 0: Only print status and errors
# 1: Print warnings and some infos
# 2: Print all infos
# debug | 99: Print all awailable infos
if args.verbose_debug:
src.globalvars.verbosity = 99
elif args.verbose:
src.globalvars.verbosity = args.verbose
verbosity = src.globalvars.verbosity
print_info2("Arguments:", args)
# Prepare allocbench
print_status("Building allocbench ...")
make_cmd = ["make"]
if verbosity < 1:
make_cmd.append("-s")
else:
# Flush stdout so the color reset from print_status works
print("", end="", flush=True)
subprocess.run(make_cmd)
allocators_file = os.path.join("build", "allocators", "allocators.py")
if args.allocators or os.path.isfile(allocators_file):
allocators_file = args.allocators or allocators_file
src.globalvars.allocators_file = allocators_file
with open(allocators_file, "r") as f:
print_status("Sourcing allocators definition ...")
g = {}
exec(f.read(), g)
src.allocators.allocators = g["allocators"]
print_info("Allocators:", *src.allocators.allocators.keys())
# Create result directory if we save or summarize results
need_resultdir = not (args.nosum and args.dont_save)
if need_resultdir:
if args.resultdir:
resdir = os.path.join(args.resultdir)
else:
hostname = src.facter.get_hostname()
# TODO use saved hostname
if args.load and args.runs < 2:
pass
resdir = os.path.join("results", hostname,
datetime.datetime.now().strftime("%Y-%m-%dT%H:%M"))
try:
print_info2("Creating result dir:", resdir)
os.makedirs(resdir)
except FileExistsError:
pass
# TODO load all results at once
for bench in benchmarks:
if args.benchmarks and not bench in args.benchmarks:
continue
bench = eval("importlib.import_module('src.{0}').{0}".format(bench))
if args.load:
bench.load(path=args.load)
if args.runs > 0:
print_status("Preparing", bench.name, "...")
if not bench.prepare():
print_error("Preparing", bench.name, "failed!")
continue
print_status("Running", bench.name, "...")
if not bench.run(runs=args.runs):
continue
if need_resultdir:
print_info2("Changing cwd to:", resdir)
old_cwd = os.getcwd()
os.chdir(resdir)
if not args.dont_save:
bench.save()
if not args.nosum:
try:
os.mkdir(bench.name)
except FileExistsError:
pass
os.chdir(bench.name)
print_status("Summarizing", bench.name, "...")
bench.summary()
os.chdir(old_cwd)
if args.runs > 0 and hasattr(bench, "cleanup"):
print_status("Cleaning up", bench.name, "...")
bench.cleanup()
if __name__ == "__main__":
main()
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