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rebench_log_adapter.py
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rebench_log_adapter.py
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# Copyright (c) 2009-2014 Stefan Marr <http://www.stefan-marr.de/>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including 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 CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import re
from .adapter import GaugeAdapter, OutputNotParseable,\
ResultsIndicatedAsInvalid
from ..model.data_point import DataPoint
from ..model.measurement import Measurement
class RebenchLogAdapter(GaugeAdapter):
"""RebenchLogPerformance is the standard log parser of ReBench.
It reads a simple log format, which includes the number of iterations of
a benchmark and its runtime in microseconds.
"""
re_log_line = re.compile(
r"^(?:.*: )?([^\s]+)( [\w\.]+)?: iterations=([0-9]+) runtime: ([0-9]+)([mu])s")
re_extra_criterion_log_line = re.compile(
r"^(?:.*: )?([^\s]+): ([^:]{1,30}):\s*([0-9]+)([a-zA-Z]+)")
re_NPB_partial_invalid = re.compile(r".*Failed.*verification")
re_NPB_invalid = re.compile(r".*Benchmark done.*verification failed")
re_incorrect = re.compile(r".*incorrect.*")
def __init__(self, include_faulty, executor):
super(RebenchLogAdapter, self).__init__(include_faulty, executor)
self._other_error_definitions = [self.re_NPB_partial_invalid,
self.re_NPB_invalid, self.re_incorrect]
def parse_data(self, data, run_id, invocation):
iteration = 1
data_points = []
current = DataPoint(run_id)
for line in data.split("\n"):
if self.check_for_error(line):
raise ResultsIndicatedAsInvalid(
"Output of bench program indicated error.")
measure = None
match = self.re_log_line.match(line)
if match:
time = float(match.group(4))
if match.group(5) == "u":
time /= 1000
criterion = (match.group(2) or 'total').strip()
measure = Measurement(invocation, iteration, time, 'ms', run_id, criterion)
else:
match = self.re_extra_criterion_log_line.match(line)
if match:
value = float(match.group(3))
criterion = match.group(2)
unit = match.group(4)
measure = Measurement(invocation, iteration, value, unit, run_id, criterion)
if measure:
current.add_measurement(measure)
if measure.is_total():
data_points.append(current)
current = DataPoint(run_id)
iteration += 1
if not data_points:
raise OutputNotParseable(data)
return data_points