total_mem_sampled.py revision 50ef334ec9d72f3bfa06be51a493a1ff8f4c3162 
1#! /usr/bin/python
2
3"""Parses the total amount of sampled memory from log files.
4
5This file outputs the total amount of memory that has been sampled by tcmalloc.
6The output is of the format:
7
8time in seconds from a base time, amount of memory that has been sampled
9
10"""
11
12import argparse
13from utils import compute_total_diff
14from datetime import datetime
15
16parser = argparse.ArgumentParser()
17parser.add_argument("filename")
18args = parser.parse_args()
19
20my_file = open(args.filename)
21output_file = open("memory_data.csv", "a")
22
23base_time = datetime(2014, 6, 11, 0, 0)
24prev_line = ""
25half_entry = (None, None)
26
27for line in my_file:
28    if "heap profile: " not in line:
29        continue
30    memory_used = line.strip().split(":")[-1].strip().split("]")[0].strip()
31    total_diff = compute_total_diff(line, base_time)
32    output_file.write("{0},{1}\n".format(int(total_diff), memory_used))
33