# Copyright 2022 Max Planck Institute for Software Systems, and
# National University of Singapore
#
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# a copy of this software and associated documentation files (the
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# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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import sys
import json

""" Generates data file for dist_memcache scalability graph. First column is
the number of hosts, second column the qemu timing simulation time in hours,
and the third column is the gem5 simulation time."""

if len(sys.argv) != 2:
    print('Usage: dist_memcache.py OUTDIR')
    sys.exit(1)

basedir = sys.argv[1] + '/'
n_hosts_per_rack = 40
racks = [1, 5, 10, 15, 25]
host_types = ['qt', 'gem5']

for n_racks in racks:
  l = str(n_racks * n_hosts_per_rack)
  for host_type in host_types:
    log_path = '%sdist_memcache-%s-%d-%d-1.json' % (basedir, host_type,
                                                    n_racks, n_hosts_per_rack)
    try:
        log = open(log_path, 'r')
    except:
        diff_time = ''
    else:
        exp_log = json.load(log)
        start_time = exp_log["start_time"]
        end_time = exp_log["end_time"]
        diff_time = float(end_time - start_time)/60/60

    l += '\t' + str(diff_time)

  print(l)