import atexit import copy import matplotlib.pyplot as plt import multiprocessing import numpy as np import os import re import shutil import subprocess from subprocess import PIPE import sys from time import sleep from src.globalvars import allocators from src.benchmark import Benchmark from src.util import * cwd = os.getcwd() prepare_cmd = ("sysbench oltp_read_only --db-driver=mysql --mysql-user=root " "--mysql-socket=" + cwd + "/mysql_test/socket --tables=5 " "--table-size=1000000 prepare").split() cmd = ("sysbench oltp_read_only --threads={nthreads} --time=60 --tables=5 " "--db-driver=mysql --mysql-user=root --mysql-socket=" + cwd + "/mysql_test/socket run") server_cmd = ("{0} -h {2}/mysql_test --socket={2}/mysql_test/socket " "--max-connections={1} " "--secure-file-priv=").format(shutil.which("mysqld"), multiprocessing.cpu_count(), cwd).split() class Benchmark_MYSQL(Benchmark): def __init__(self): self.name = "mysql" self.descrition = """See sysbench documentation.""" # mysqld fails with hoard somehow self.allocators = copy.copy(allocators) if "hoard" in self.allocators: del(self.allocators["hoard"]) self.args = {"nthreads": Benchmark.scale_threads_for_cpus(1)} self.cmd = cmd self.measure_cmd = "" self.requirements = ["mysqld", "sysbench"] atexit.register(self.terminate_server) super().__init__() def start_and_wait_for_server(self, cmd_prefix="", env=None): actual_cmd = cmd_prefix.split() + server_cmd print_info("Starting server with:", actual_cmd) self.server = subprocess.Popen(actual_cmd, stdout=PIPE, stderr=PIPE, env=env, universal_newlines=True) # TODO make sure server comes up ! sleep(10) if self.server.poll() is not None: print_debug("cmd_prefix:", cmd_prefix, file=sys.stderr) print_debug("Stderr:", self.server.stderr, file=sys.stderr) return False return True def terminate_server(self): if hasattr(self, "server"): if self.server.poll() is None: print_info("Terminating mysql server") self.server.terminate() for i in range(0,10): sleep(1) if self.server.poll() is not None: return print_info("Killing still running mysql server") self.server.kill() self.server.wait() def prepare(self): super().prepare() # Setup Test Environment if not os.path.exists("mysql_test"): print_status("Prepare mysqld directory and database") os.makedirs("mysql_test") # Init database if b"MariaDB" in subprocess.run(["mysqld", "--version"], stdout=PIPE).stdout: init_db_cmd = ["mysql_install_db", "--basedir=/usr", "--datadir="+cwd+"/mysql_test"] print_info2("MariaDB detected") else: init_db_cmd = ["mysqld", "-h", cwd+"/mysql_test", "--initialize-insecure"] print_info2("Oracle MySQL detected") p = subprocess.run(init_db_cmd, stdout=PIPE, stderr=PIPE) if not p.returncode == 0: print_debug(p.stderr, file=sys.stderr) raise Exception("Creating test DB failed with:", p.returncode) if not self.start_and_wait_for_server(): raise Exception("Starting mysql server failed with {}".format(self.server.returncode)) # Create sbtest TABLE p = subprocess.run(("mysql -u root -S "+cwd+"/mysql_test/socket").split(" "), input=b"CREATE DATABASE sbtest;\n", stdout=PIPE, stderr=PIPE) if not p.returncode == 0: print_debug("Stderr:", p.stderr, file=sys.stderr) self.terminate_server() raise Exception("Creating test tables failed with:", p.returncode) print_status("Prepare test tables ...") ret = True p = subprocess.run(prepare_cmd, stdout=PIPE, stderr=PIPE) if p.returncode != 0: print_debug("Stdout:", p.stdout, file=sys.stderr) print_debug("Stderr:", p.stderr, file=sys.stderr) self.terminate_server() raise Exception("Preparing test tables failed with:", p.returncode) self.terminate_server() def cleanup(self): if os.path.exists("mysql_test"): print_status("Delete mysqld directory") shutil.rmtree("mysql_test", ignore_errors=True) def preallocator_hook(self, allocator, run, env, verbose): if not self.start_and_wait_for_server(cmd_prefix=allocator[1]["cmd_prefix"], env=env): print_debug(allocator[1]["cmd_prefix"], file=sys.stderr) raise Exception("Starting mysql server for {} failed with".format(allocator[0], self.server.returncode)) def postallocator_hook(self, allocator, run, verbose): self.terminate_server() def process_output(self, result, stdout, stderr, allocator, perm, verbose): result["transactions"] = re.search("transactions:\s*(\d*)", stdout).group(1) result["queries"] = re.search("queries:\s*(\d*)", stdout).group(1) # Latency result["min"] = re.search("min:\s*(\d*.\d*)", stdout).group(1) result["avg"] = re.search("avg:\s*(\d*.\d*)", stdout).group(1) result["max"] = re.search("max:\s*(\d*.\d*)", stdout).group(1) with open("/proc/"+str(self.server.pid)+"/status", "r") as f: for l in f.readlines(): if l.startswith("VmHWM:"): result["rssmax"] = int(l.replace("VmHWM:", "").strip().split()[0]) break def summary(self): allocators = self.results["allocators"] args = self.results["args"] # linear plot self.plot_single_arg("{transactions}", xlabel='"threads"', ylabel='"transactions"', title='"sysbench oltp read only"', filepostfix="l") # normalized linear plot ref_alloc = list(allocators)[0] self.plot_single_arg("{transactions}", xlabel='"threads"', ylabel='"transactions scaled at " + scale', title='"sysbench oltp read only"', filepostfix="norm.l", scale=ref_alloc) # bar plot self.barplot_single_arg("{transactions}", xlabel='"threads"', ylabel='"transactions"', title='"sysbench oltp read only"', filepostfix="b") # normalized bar plot self.barplot_single_arg("{transactions}", xlabel='"threads"', ylabel='"transactions scaled at " + scale', title='"sysbench oltp read only"', filepostfix="norm.b", scale=ref_alloc) # Memusage self.barplot_single_arg("{rssmax}", xlabel='"threads"', ylabel='"VmHWM in kB"', title='"Memusage sysbench oltp read only"', filepostfix="mem") # Colored latex table showing transactions count d = {allocator: {} for allocator in allocators} for perm in self.iterate_args(args=args): for i, allocator in enumerate(allocators): t = [float(x["transactions"]) for x in self.results[allocator][perm]] m = np.mean(t) s = np.std(t)/m d[allocator][perm] = {"mean": m, "std": s} mins = {} maxs = {} for perm in self.iterate_args(args=args): cmax = None cmin = None for i, allocator in enumerate(allocators): m = d[allocator][perm]["mean"] if not cmax or m > cmax: cmax = m if not cmin or m < cmin: cmin = m maxs[perm] = cmax mins[perm] = cmin fname = ".".join([self.name, "transactions.tex"]) headers = [perm.nthreads for perm in self.iterate_args(args=args)] with open(fname, "w") as f: print("\\begin{tabular}{| l" + " l"*len(headers) + " |}", file=f) print("Fäden / Allokator ", end=" ", file=f) for head in headers: print("& {}".format(head), end=" ", file=f) print("\\\\\n\\hline", file=f) for allocator in allocators: print(allocator, end=" ", file=f) for perm in self.iterate_args(args=args): m = d[allocator][perm]["mean"] s = "& \\textcolor{{{}}}{{{:.3f}}}" if m == maxs[perm]: color = "green" elif m == mins[perm]: color = "red" else: color = "black" print(s.format(color, m), end=" ", file=f) print("\\\\", file=f) print("\end{tabular}", file=f) self.export_to_csv("transactions") self.export_to_dataref("transactions") mysql = Benchmark_MYSQL()