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#!/usr/bin/env python
import defapp
from os.path import splitext, basename
from optparse import make_option as o
from gnuplot import gnuplot, FORMATS
PLUGINS = ['GSN-EDF', 'G-EDF', 'GQ-EDF', 'GHQ-EDF']
MASTER = ['NO_CPU', '3']
EVENTS = ['SCHED', 'SCHED2', 'TICK', 'CXS', 'RELEASE', 'SEND_RESCHED']
DATA = ['avg', 'wc']
options = [
o('-f', '--format', action='store', dest='format', type='choice',
choices=FORMATS, help='output format'),
o(None, '--paper', action='store_true', dest='paper'),
o('-e', '--events', action='append', dest='events', type='choice',
choices=EVENTS),
o('-m', '--master', action='append', dest='master', type='choice',
choices=MASTER),
o('-p', '--plugins', action='append', dest='plugins', type='choice',
choices=PLUGINS),
o('-d', '--data', action='append', dest='data', type='choice',
choices=DATA),
]
defaults = {
'format' : 'show',
'xrange' : (45, 455),
'yrange' : (0, 400),
'xticks' : (50, 50),
'yticks' : (0, 10),
'title' : None,
'xlabel' : 'number of tasks',
'ylabel' : 'overhead (us)',
'paper' : False,
'events' : [],
'plugins' : [],
'master' : [],
'data' : [],
}
ev_name = {
'RELEASE' : 'release overhead',
'TICK' : 'tick overhead',
'SCHED' : 'scheduling overhead',
'SCHED2' : 'timer re-arming overhead',
'SEND_RESCHED' : 'IPI latency',
'CXS' : 'context-switching overhead',
}
def graph(plugin, master, event, wc):
return ['%s.R-%s.%s.csv' % (plugin, master, event), 1, 3 if wc else 2,
'%s %s %s %s' % (plugin, event, 'RM' if master != 'NO_CPU' else '',
'WC' if wc else 'AVG')]
class OheadPlotter(defapp.App):
def __init__(self):
defapp.App.__init__(self, options, defaults, no_std_opts=True)
if not self.options.events:
self.options.events = EVENTS
if not self.options.plugins:
self.options.plugins = PLUGINS
if not self.options.master:
self.options.master = MASTER
if not self.options.data:
self.options.data = DATA
def plot(self, graphs, title, name, **xtra):
if self.options.paper:
tops = 'color solid font "Helvetica,10" linewidth 1.0 rounded size 16cm,8.5cm'
gnuplot(graphs, title=title,
xlabel=self.options.xlabel,
ylabel=self.options.ylabel,
xrange=self.options.xrange,
# yrange=self.options.yrange,
xticks=self.options.xticks,
# yticks=self.options.yticks,
format=self.options.format,
fname=name,
key='off',
style='lines lw 7',
term_opts=tops)
else:
gnuplot(graphs, title=title,
xlabel=self.options.xlabel,
ylabel=self.options.ylabel,
# xrange=self.options.xrange,
# yrange=self.options.yrange,
xticks=self.options.xticks,
# yticks=self.options.yticks,
format=self.options.format,
fname=name, **xtra)
def do_by_event(self, _):
for d in self.options.data:
wc = d == 'wc'
for e in self.options.events:
gs = []
for p in self.options.plugins:
for m in self.options.master:
if (p != 'GHQ-EDF' or m == 'NO_CPU') and \
(p != 'GQ-EDF' or e != 'SEND_RESCHED'):
gs += [graph(p, m, e, wc)]
fname = '%s.%s' % (e, d)
title = '%s %s' % ('worst-case' if wc else 'average-case' , ev_name[e])
self.plot(gs, title=title, name=fname)
def do_by_plugin(self, _):
for p in self.options.plugins:
gs = []
for d in self.options.data:
wc = d == 'wc'
for e in self.options.events:
for m in self.options.master:
if (p != 'GHQ-EDF' or m == 'NO_CPU') and \
(p != 'GQ-EDF' or e != 'SEND_RESCHED'):
gs += [graph(p, m, e, wc)]
self.plot(gs, title='%s %s' % (p, 'WC' if wc else 'AVG'), name='')
if __name__ == "__main__":
OheadPlotter().launch()
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