#!/usr/bin/python
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# Copyright (C) 2018 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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import numpy as np
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from matplotlib import pyplot as plt
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from absl import app
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from absl import flags
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FLAGS = flags.FLAGS
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flags.DEFINE_integer('window', 100, 'Size of rolling average window')
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COLORS = ['b', 'g', 'r', 'c', 'm', 'y', 'k', 'indigo']
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def max_default(seq, default):
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try:
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return np.max(seq)
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except ValueError:
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return default
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def main(argv):
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max_val = 0
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max_key = ""
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n = 0
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for fn in argv[1:]:
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name = os.path.basename(fn)
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xs = np.loadtxt(fn, dtype=np.int)
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ys = np.arange(len(xs))
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delta = ys - np.array([max_default(ys[xs < x - FLAGS.window], np.NaN)
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for x in xs])
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max_delta = np.nanmax(delta)
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if max_delta > max_val:
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max_val = max_delta
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max_key = name
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plt.plot(xs, delta, color=COLORS[n % len(COLORS)], label=name)
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print xs, delta
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n += 1
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print "Max delta %d in %s" % (max_val, max_key)
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print "Buffer size: %d KB" % (max_val * 4)
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plt.legend()
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plt.show()
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if __name__ == '__main__':
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app.run(main)
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