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# benchmark -- automated system for testing distcc correctness
# and performance on various source trees.
# Copyright (C) 2002, 2003 by Martin Pool
# Copyright 2008 Google 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 2
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.
import buildutil
import os
import statistics
class Summary:
"""Stores and prints results of building different things"""
# Table is a sequence, because we prefer to have things printed
# out in the order they were executed.
def __init__(self):
self._table = []
def store(self, project, compiler, time_info_accumulator):
"""
Args:
project: a Project object
compiler: a Compiler object
time_info_accumulator: the string 'FAIL' or a list of Build.TimeInfo records
The time information is a list because we can build projects repeatedly.
"""
self._table.append((project.name, compiler.name, time_info_accumulator))
def print_raw(self):
from pprint import pprint
pprint(self._table)
@staticmethod
def print_mean_and_sd(times, unit='s', no_sd=False):
assert len(unit) == 1, unit
mean = statistics.mean(times)
sd = statistics.std(times)
if mean is None:
print "%s%s " % ("n/a", sd_space),
else:
print "%8.1f%s " % (mean, unit),
if not no_sd:
if sd is None:
print "%9s " % "n/a",
else:
print "%8.1f%s " % (sd, unit),
def print_table(self):
import time, os, sys
import statistics
# if nothing was run, skip it
if not len(self._table):
return
"""Print out in a nice tabular form"""
print """
========================
distcc benchmark results
========================
"""
print "Date: ", time.ctime()
hosts = os.getenv('DISTCC_HOSTS')
print "DISTCC_HOSTS: %s" % `hosts`
print "Total hosts: %d" % buildutil.count_hosts(hosts)
number_CPUs = os.sysconf('SC_NPROCESSORS_ONLN')
print "Local number of CPUs: %s" % number_CPUs
sys.stdout.flush()
os.system("uname -a")
print ("%-20s %-30s %9s %9s %9s %9s %9s"
% ('project', 'compiler', 'time', 's.d.',
'CPU time',
'CPU util',
'incl serv'))
for row in self._table:
print "%-20s %-30s " % row[:2],
time_info_accumulator = row[2]
if isinstance(time_info_accumulator, str):
print ' ' * 4, time_info_accumulator
else:
real_times = [time_info.real for time_info in time_info_accumulator]
Summary.print_mean_and_sd(real_times)
cpu_times = [time_info.user + time_info.system
for time_info in time_info_accumulator]
self.print_mean_and_sd(cpu_times, no_sd=True)
cpu_util_ratios = (
[100 * cpu_times[i]/(number_CPUs * time_info_accumulator[i].real)
for i in range(len(time_info_accumulator))])
self.print_mean_and_sd(cpu_util_ratios, unit='%', no_sd=True)
include_server_times = [time_info.include_server
for time_info in time_info_accumulator]
if None not in include_server_times:
self.print_mean_and_sd(include_server_times, no_sd=True)
print