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 from time import sleep from src.benchmark import Benchmark from src.allocators import allocators 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 {1}/mysql_test --socket={1}/mysql_test/socket " "--secure-file-priv=").format(shutil.which("mysqld"), 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": range(1, multiprocessing.cpu_count() + 1)} self.cmd = cmd self.measure_cmd = "" self.requirements = ["mysqld", "sysbench"] super().__init__() def start_and_wait_for_server(self, verbose, cmd_prefix=""): actual_cmd = cmd_prefix.split() + server_cmd if verbose: print("Starting server with:", actual_cmd) self.server = subprocess.Popen(actual_cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True) # TODO make sure server comes up ! sleep(10) return self.server.poll() is None def prepare(self, verbose=False): if not super().prepare(verbose=verbose): return False # Setup Test Environment if not os.path.exists("mysql_test"): print("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"] if verbose: print("MariaDB detected") else: init_db_cmd = ["mysqld", "-h", cwd+"/mysql_test", "--initialize-insecure"] if verbose: print("Oracle MySQL detected") p = subprocess.run(init_db_cmd, stdout=PIPE, stderr=PIPE) if not p.returncode == 0: print(p.stderr) return False if not self.start_and_wait_for_server(verbose): print("Starting mysqld failed") return False # 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(p.stderr) self.server.kill() self.server.wait() return False print("Prepare test tables") ret = True p = subprocess.run(prepare_cmd, stdout=PIPE, stderr=PIPE) if p.returncode != 0: print(p.stout) print(p.stderr) ret = False self.server.kill() self.server.wait() return ret return True def cleanup(self): if os.path.exists("mysql_test"): print("Delete mysqld directory") shutil.rmtree("mysql_test") def preallocator_hook(self, allocator, run, verbose): if not self.start_and_wait_for_server(verbose, cmd_prefix=allocator[1]["cmd_prefix"]): print("Can't start server for", allocator[0] + ".") print("Aborting Benchmark.") print(allocator[1]["cmd_prefix"]) print(self.server.stderr.read()) return False def postallocator_hook(self, allocator, run, verbose): self.server.kill() self.server.wait() 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.ro") # bar plot for i, allocator in enumerate(allocators): y_vals = [] for perm in self.iterate_args(args=self.results["args"]): d = [int(m["transactions"]) for m in self.results[allocator][perm]] y_vals.append(np.mean(d)) x_vals = [x-i/8 for x in range(1, len(y_vals) + 1)] plt.bar(x_vals, y_vals, width=0.2, label=allocator, align="center", color=allocators[allocator]["color"]) plt.legend() plt.xlabel("threads") plt.xticks(range(1, len(y_vals) + 1), self.results["args"]["nthreads"]) plt.ylabel("transactions") plt.title("sysbench oltp read only") plt.savefig(self.name + ".b.ro.png") plt.clf() # Memusage self.plot_single_arg("{rssmax}", xlabel='"threads"', ylabel='"VmHWM in kB"', title='"Memusage sysbench oltp read only"', filepostfix="ro.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) mysql = Benchmark_MYSQL()