| Eric Fiselier | f6e09e5 | 2016-08-09 18:56:48 +0000 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | """ |
| 3 | compare_bench.py - Compare two benchmarks or their results and report the |
| 4 | difference. |
| 5 | """ |
| 6 | import sys |
| 7 | import gbench |
| 8 | from gbench import util, report |
| 9 | |
| 10 | def main(): |
| 11 | # Parse the command line flags |
| 12 | def usage(): |
| 13 | print('compare_bench.py <test1> <test2> [benchmark options]...') |
| 14 | exit(1) |
| 15 | if '--help' in sys.argv or len(sys.argv) < 3: |
| 16 | usage() |
| 17 | tests = sys.argv[1:3] |
| 18 | bench_opts = sys.argv[3:] |
| 19 | bench_opts = list(bench_opts) |
| 20 | # Run the benchmarks and report the results |
| 21 | json1 = gbench.util.run_or_load_benchmark(tests[0], bench_opts) |
| 22 | json2 = gbench.util.run_or_load_benchmark(tests[1], bench_opts) |
| 23 | output_lines = gbench.report.generate_difference_report(json1, json2) |
| 24 | print 'Comparing %s to %s' % (tests[0], tests[1]) |
| 25 | for ln in output_lines: |
| 26 | print(ln) |
| 27 | |
| 28 | |
| 29 | if __name__ == '__main__': |
| 30 | main() |