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fcb8d040e8
Instead of lengthy blurbs, switch to single-line, machine-readable standardized (https://spdx.dev) license identifiers. The Linux kernel switched long ago, so there is strong precedent. Three cases are handled: AGPL-only, Apache-only, and dual licensed. For the latter case, I chose (AGPL-3.0-or-later and Apache-2.0), reasoning that our changes are extensive enough to apply our license. The changes we applied mechanically with a script, except to licenses/README.md. Closes #9937
57 lines
1.7 KiB
Python
Executable File
57 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2019-present ScyllaDB
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#
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#
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# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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import argparse
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import json
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import matplotlib.pyplot as plt
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cmdline_parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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cmdline_parser.add_argument('results', nargs=1, help='JSON file with full perf_fast_forward results')
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cmdline_parser.add_argument('-o', '--output', help='name of the output file')
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cmdline_parser.add_argument('--histogram', action='store_true', help='plot a histogram of the frag/s results')
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cmdline_parser.add_argument('--histogram-bins-count', default=50, help='number of histogram bins')
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cmdline_parser.add_argument('--histogram-stats', default='frag/s', help='comma-separated list of result statistic to prepare histograms of')
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args = cmdline_parser.parse_args()
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results = json.loads(open(args.results[0]).read())
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if args.histogram:
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histogram_stats = args.histogram_stats.split(',')
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stats = results['results']['stats']
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dpi = 96
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width = 1200
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height = 400 * len(histogram_stats)
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plt.figure(figsize=(width/dpi, height/dpi), dpi=dpi)
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count = 0
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for histogram_stat in histogram_stats:
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values = [stat[histogram_stat] for stat in stats]
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count = count + 1
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ax = plt.subplot(len(histogram_stats), 1, count)
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if count == 1:
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plt.title(args.results[0])
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ax.set_axisbelow(True)
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plt.grid(True)
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plt.ylabel('count')
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plt.xlabel(histogram_stat)
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plt.hist(values, int(args.histogram_bins_count))
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if args.output:
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plt.savefig(args.output)
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else:
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plt.show()
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else:
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print('No action chosen. Doing nothing.')
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