Add script to automate ststic-hotness zipf comparison

Author: maciekpac

collect_and_plot.py

@@ -68,4 +68,6 @@ def print_help():
 plt.grid()
 plt.show()
 
+plt.plot(ratios)
+plt.grid()
 plt.savefig("run.png")

utils/memtier_zipf_bench/swipe_iterations_per_malloc.py

@@ -0,0 +1,64 @@
+#!/bin/python
+
+import subprocess
+import os
+import re
+import matplotlib.pyplot as plt
+
+STATIC=0
+HOTNESS=1
+
+re_exec_adjusted=re.compile('Measured execution time \[millis_thread\|millis_thread_adjusted\|millis_system\]: \[[0-9]*\|([0-9]*)\|[0-9]*\]')
+re_accesses_per_malloc=re.compile('Stats \[accesses_per_malloc\|average_size\]: \[([0-9\.]*)\|[0-9\.]*\]')
+
+def get_adjusted_execution_time(iterations, static_hotness):
+    '''
+    Returns:
+        (adjusted_time, accesses_per_allocation, average_size)
+    '''
+    m_env = os.environ.copy()
+    m_env['MEMKIND_DEBUG']='1'
+    m_env['LD_LIBRARY_PATH']='.libs'
+    args=[]
+    if static_hotness == STATIC:
+        args.append('static')
+    elif static_hotness == HOTNESS:
+        args.append('hotness')
+    else:
+        raise Exception('Incorrect function argument!')
+    args.append(str(iterations))
+    ret = subprocess.run(['./utils/memtier_zipf_bench/.libs/memtier_zipf_bench'] + args, env=m_env, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    # what do we have:
+    # 1. Ratio history
+    # 2. Results
+    stats = ret.stdout.decode()
+    adjusted_exec_time_millis = int(re_exec_adjusted.findall(stats)[0])
+    accesses_per_malloc = float(re_accesses_per_malloc.findall(stats)[0])
+    return adjusted_exec_time_millis, accesses_per_malloc
+
+iterations = [20, 40, 80, 160, 320]
+
+execution_times_static = []
+execution_times_hotness = []
+accesses_per_malloc_static = []
+accesses_per_malloc_hotness = []
+
+for it in iterations:
+    static_time, static_acc = get_adjusted_execution_time(it, STATIC)
+    hotness_time, hotness_acc = get_adjusted_execution_time(it, HOTNESS)
+    execution_times_static.append(static_time)
+    execution_times_hotness.append(hotness_time)
+    accesses_per_malloc_static.append(static_acc)
+    accesses_per_malloc_hotness.append(hotness_acc)
+
+plt.plot(accesses_per_malloc_static, execution_times_static, label='static')
+plt.plot(accesses_per_malloc_hotness, execution_times_hotness, label='hotness')
+plt.grid()
+plt.show()
+
+plt.plot(accesses_per_malloc_static, execution_times_static, label='static')
+plt.plot(accesses_per_malloc_hotness, execution_times_hotness, label='hotness')
+plt.grid()
+plt.savefig('stats.png')
+
+