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+#! /usr/bin/env python3
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+
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+import sys
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+import subprocess
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+import time
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+import psutil
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+import matplotlib
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+import matplotlib.pyplot as plt
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+from matplotlib.backends.backend_pdf import PdfPages
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+
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+
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+def log_performance():
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+ def limit(n, limit):
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+ if n > limit:
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+ return limit
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+ else:
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+ return n
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+
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+ # Interval for data collection (in seconds)
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+ probe_interval = 0.1
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+
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+ i = 0
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+ x = []
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+ # Memory
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+ stats_rss = []
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+ stats_vms = []
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+ # CPU
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+ stats_usr = []
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+ stats_sys = []
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+ stats_cpu = []
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+ # Disk
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+ stats_io_r = []
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+ stats_io_w = []
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+ stats_io_r_b = []
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+ stats_io_w_b = []
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+
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+ proc = subprocess.Popen("/home/pjattke/Thesis/public/code/CLI.py")
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+ p = psutil.Process(proc.pid)
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+ start_time = time.time()
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+ while proc is None or proc.poll() is None:
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+ m = p.memory_info()
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+ c = p.cpu_times()
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+ io = p.io_counters()
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+ x.append(i)
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+ stats_rss.append(m[0] / 10 ** 6)
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+ stats_vms.append(m[1] / 10 ** 6)
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+ stats_usr.append(c[0])
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+ stats_sys.append(c[1])
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+ stats_cpu.append(limit(p.cpu_percent(interval=None), 100))
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+ stats_io_r.append(io[0])
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+ stats_io_w.append(io[1])
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+ stats_io_r_b.append(io[2])
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+ stats_io_w_b.append(io[3])
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+ time.sleep(probe_interval)
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+ i += probe_interval
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+
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+ print("=== MEASUREMENT RECORDED " + str(time.time() - start_time) + " seconds.")
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+
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+ # Define style for plots
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+ f, axs = plt.subplots(4, 1, figsize=(8, 12))
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+ plt.rcParams["font.family"] = "monospace"
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+ plt.rcParams["font.size"] = 8.5
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+ plt.rcParams["legend.fontsize"] = 8.0
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+ # plt.autoscale(enable=True, axis='both')
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+ f.subplots_adjust(hspace=0.5)
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+ pp = PdfPages('multipage.pdf')
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+
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+ # f.add_subplot(4,1,2)
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+ plt.subplot(411)
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+ plt.grid(True)
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+ plt.plot(x, stats_cpu, label="CPU Usage")
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+ # plt.plot(x, stats_usr, label="User")
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+ # plt.plot(x, stats_sys, label="System")
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+ plt.xlabel("Execution time (seconds)")
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+ plt.ylabel("CPU Load (%)")
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+ plt.legend(loc="upper left")
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+ # plt.savefig("profile_cpu.png")
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+
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+ # f.add_subplot(4,1,1)
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+ plt.subplot(412)
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+ plt.grid(True)
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+ plt.plot(x, stats_rss, label="RSS")
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+ plt.plot(x, stats_vms, label="VMS")
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+ plt.xlabel("Execution time (seconds)")
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+ plt.ylabel("Memory Usage (MBytes)")
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+ plt.legend(loc="upper left")
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+ # plt.savefig("profile_memory.png")
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+
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+ # f.add_subplot(4,1,3)
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+ plt.subplot(413)
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+ plt.grid(True)
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+ plt.plot(x, stats_io_r, label="IO Reads")
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+ # plt.plot(x, stats_io_w, label="IO Writes")
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+ # plt.plot(x, stats_io_r_b, label="IO Reads Bytes")
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+ # plt.plot(x, stats_io_w_b, label="IO Writes Bytes")
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+ # plt.xlabel("Execution time (seconds)")
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+ plt.xlabel("Execution time (seconds)")
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+ plt.ylabel("I/O reads counter")
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+ # plt.ylabel("IO Profile")
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+ plt.legend(loc="upper left")
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+
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+ # f.add_subplot(4,1,4)
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+ plt.subplot(414)
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+ plt.grid(True)
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+ plt.plot(x, stats_io_w, label="IO Writes")
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+ plt.xlabel("Execution time (seconds)")
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+ plt.ylabel("I/O writes counter")
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+ plt.legend(loc="upper left")
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+ plt.savefig(pp, format='pdf')
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+
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+ pp.close()
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+ sys.exit(proc.returncode)
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+
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+
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+log_performance()
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