binutils-gdb/gdb/testsuite/gdb.perf/lib/perftest/reporter.py

86 lines
2.8 KiB
Python

# Copyright (C) 2013-2018 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Text reports are written here.
# This is the perftest counterpart to gdb.sum.
SUM_FILE_NAME = "perftest.sum"
# Raw data that went into the report is written here.
# This is the perftest counterpart to gdb.log.
LOG_FILE_NAME = "perftest.log"
class Reporter(object):
"""Base class of reporter to report test results in a certain format.
Subclass, which is specific to a report format, should overwrite
methods report, start and end.
"""
def __init__(self, append):
"""Constructor of Reporter.
attribute append is used to determine whether to append or
overwrite log file.
"""
self.append = append
def report(self, *args):
raise NotImplementedError("Abstract Method:report.")
def start(self):
"""Invoked when reporting is started."""
raise NotImplementedError("Abstract Method:start.")
def end(self):
"""Invoked when reporting is done.
It must be overridden to do some cleanups, such as closing file
descriptors.
"""
raise NotImplementedError("Abstract Method:end.")
class TextReporter(Reporter):
"""Report results in a plain text file 'perftest.log'."""
def __init__(self, append):
super (TextReporter, self).__init__(Reporter(append))
self.txt_sum = None
self.txt_log = None
def report(self, test_name, measurement_name, data_points):
if len(data_points) == 0:
self.txt_sum.write("%s %s *no data recorded*\n" % (
test_name, measurement_name))
return
average = sum(data_points) / len(data_points)
data_min = min(data_points)
data_max = max(data_points)
self.txt_sum.write("%s %s %s\n" % (
test_name, measurement_name, average))
self.txt_log.write("%s %s %s, min %s, max %s, data %s\n" % (
test_name, measurement_name, average, data_min, data_max,
data_points))
def start(self):
mode = "a+" if self.append else "w"
self.txt_sum = open (SUM_FILE_NAME, mode);
self.txt_log = open (LOG_FILE_NAME, mode);
def end(self):
self.txt_sum.close ()
self.txt_log.close ()