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#!/usr/bin/env python
import defapp
from os.path import splitext, basename
from optparse import make_option as o
from tempfile import NamedTemporaryFile as Tmp
from gnuplot import gnuplot, FORMATS
options = [
o('-f', '--format', action='store', dest='format', type='choice',
choices=FORMATS, help='output format'),
]
defaults = {
'format' : 'show',
'xrange' : (0.5, 32.5),
'yrange' : (-0.05, 1.05),
'xticks' : (0, 2),
'yticks' : (0, 0.1),
'title' : None,
'xlabel' : 'task set utilization cap (prior to inflation)',
'ylabel' : 'ratio of schedulable task sets',
}
def decode(name):
params = {}
parts = name.split('_')
for p in parts:
kv = p.split('=')
k = kv[0]
v = kv[1] if len(kv) > 1 else None
params[k] = v
return params
def get_data_tmpfile(datafile):
"""Removes all comments form datafile, stores result in a temp file.
The temp file is returned."""
count = 0
f = open(datafile, 'r')
d = Tmp()
for line in f:
if len(line) > 1 and line[0] != '#':
d.write(line)
count += 1
f.close()
d.flush()
if count > 0:
return d
else:
del d # removes temp file
return None
def scenario_heading(conf):
dist = 'unknown distribution'
if 'dist' in conf:
if conf['dist'] == 'uni':
dist = 'uniformly distributed'
if 'light' in conf:
dist = dist + ' in [0.001, 0.1]'
elif 'medium' in conf:
dist = dist + ' in [0.1, 0.4]'
elif 'heavy' in conf:
dist = dist + ' in [0.5, 0.9]'
elif conf['dist'] == 'bimo':
dist = 'bimodially distributed'
if 'light' in conf:
dist = dist + 'in [0.001, 0.5] (8/9) and [0.5, 0.9] (1/9)'
elif 'medium' in conf:
dist = dist + 'in [0.001, 0.5] (6/9) and [0.5, 0.9] (3/9)'
elif 'heavy' in conf:
dist = dist + 'in [0.001, 0.5] (4/9) and [0.5, 0.9] (5/9)'
return dist
class SchedPlotter(defapp.App):
def __init__(self):
defapp.App.__init__(self, options, defaults, no_std_opts=True)
def plot(self, graphs, title, name, conf):
gnuplot(graphs, title=title,
xlabel=self.options.xlabel,
ylabel=self.options.ylabel +
(' [soft]' if 'soft' in conf else ' [hard]'),
xrange=self.options.xrange,
yrange=self.options.yrange,
xticks=self.options.xticks,
yticks=self.options.yticks,
format=self.options.format,
fname=name)
def plot_spec(self, tmpfile, name, conf):
title = 'release overhead speculation: ' + scenario_heading(conf)
graphs = [
(tmpfile, 1, 2, 'G-EDF (100% release)'),
(tmpfile, 1, 3, 'G-EDF ( 75% release)'),
(tmpfile, 1, 4, 'G-EDF ( 50% release)'),
(tmpfile, 1, 5, 'G-EDF ( 25% release)'),
(tmpfile, 1, 6, 'G-EDF ( 0% release)'),
(tmpfile, 1, 7, 'G-EDF (no overheads)'),
]
self.plot(graphs, title, name, conf)
def plot_spec2(self, tmpfile, name, conf):
title = 'service processor speculation: ' + scenario_heading(conf)
graphs = [
(tmpfile, 1, 2, 'G-EDF ( 25% release, 100% rest)'),
(tmpfile, 1, 3, 'G-EDF (100% release, 0% rest)'),
(tmpfile, 1, 4, 'G-EDF (service cpu, 100% preempt)'),
(tmpfile, 1, 5, 'G-EDF (service cpu, 150% preempt)'),
]
self.plot(graphs, title, name, conf)
def plot_file(self, datafile):
bname = basename(datafile)
name, ext = splitext(bname)
if ext != '.csv':
self.err("Warning: '%s' doesn't look like a CSV file."
% bname)
conf = decode(name)
tmpfile = get_data_tmpfile(datafile)
if tmpfile:
if 'spec' in conf:
self.plot_spec(tmpfile.name, name, conf)
elif 'spec2' in conf:
self.plot_spec2(tmpfile.name, name, conf)
else:
self.err("Skipped '%s'; unkown experiment type."
% bname)
del tmpfile # removes temp file
else:
self.err("Skipped '%s'; it dosn't appear to contain data."
% bname)
def default(self, _):
for datafile in self.args:
self.plot_file(datafile)
if __name__ == "__main__":
SchedPlotter().launch()
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