| # Copyright 2016 Google Inc. |
| # |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Parses an skpbench result from a line of output text.""" |
| |
| from __future__ import print_function |
| import re |
| import sys |
| |
| class BenchResult: |
| FLOAT_REGEX = '[-+]?(\d+(\.\d*)?|\.\d+)([eE][-+]?\d+)?' |
| PATTERN = re.compile('^(?P<accum_pad> *)' |
| '(?P<accum>' + FLOAT_REGEX + ')' |
| '(?P<median_pad> +)' |
| '(?P<median>' + FLOAT_REGEX + ')' |
| '(?P<max_pad> +)' |
| '(?P<max>' + FLOAT_REGEX + ')' |
| '(?P<min_pad> +)' |
| '(?P<min>' + FLOAT_REGEX + ')' |
| '(?P<stddev_pad> +)' |
| '(?P<stddev>' + FLOAT_REGEX + '%)' |
| '(?P<samples_pad> +)' |
| '(?P<samples>\d+)' |
| '(?P<sample_ms_pad> +)' |
| '(?P<sample_ms>\d+)' |
| '(?P<clock_pad> +)' |
| '(?P<clock>[cg]pu)' |
| '(?P<metric_pad> +)' |
| '(?P<metric>ms|fps)' |
| '(?P<config_pad> +)' |
| '(?P<config>[^\s]+)' |
| '(?P<bench_pad> +)' |
| '(?P<bench>[^\s]+)$') |
| |
| @classmethod |
| def match(cls, text): |
| match = cls.PATTERN.search(text) |
| return cls(match) if match else None |
| |
| def __init__(self, match): |
| self.accum = float(match.group('accum')) |
| self.median = float(match.group('median')) |
| self.max = float(match.group('max')) |
| self.min = float(match.group('min')) |
| self.stddev = float(match.group('stddev')[:-1]) # Drop '%' sign. |
| self.samples = int(match.group('samples')) |
| self.sample_ms = int(match.group('sample_ms')) |
| self.clock = match.group('clock') |
| self.metric = match.group('metric') |
| self.config = match.group('config') |
| self.bench = match.group('bench') |
| self._match = match |
| |
| def get_string(self, name): |
| return self._match.group(name) |
| |
| def format(self, config_suffix=None): |
| if not config_suffix or config_suffix == '': |
| return self._match.group(0) |
| else: |
| values = list() |
| for name in ['accum', 'median', 'max', 'min', 'stddev', |
| 'samples', 'sample_ms', 'clock', 'metric', 'config']: |
| values.append(self.get_string(name + '_pad')) |
| values.append(self.get_string(name)) |
| values.append(config_suffix) |
| bench_pad = self.get_string('bench_pad') |
| values.append(bench_pad[min(len(config_suffix), len(bench_pad) - 1):]) |
| values.append(self.get_string('bench')) |
| return ''.join(values) |
