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#!/usr/bin/env python
import sys
from os.path import basename
from os import listdir
from plot import decode, Plot
from gnuplot import curve
SCHEDULERS = ['MC', 'MC-MERGE', 'MC-MERGE-REDIR']
OVERHEADS = ['SCHED', 'RELEASE', 'LVLA-RELEASE']
COLS = {'plugin': 0,
'overhead': 1,
'n_tasks': 2,
'samples': 3,
'filtered': 4,
'max': 5,
'avg': 6,
'min': 7,
'med': 8,
'std': 9,
'var': 10,
'iqr_max': 11,
'iqr_min': 12}
def usage(msg):
print >>sys.stderr, msg
sys.exit(1)
def get_csv_files(directory):
a = []
for f in listdir(directory):
bn = basename(f)
if f.startswith('scheduler') and f.endswith('.csv'):
a.append(f)
return a
def gnuplot_col(col_name):
# gnuplot is 1-indexed
return 1 + COLS[col_name]
def plot_release(data_dir):
p = Plot()
p.output = '{0}/overhead=RELEASE.pdf'.format(data_dir)
p.format = 'pdf'
p.key = 'top left'
for rel_type in ['RELEASE', 'LVLA-RELEASE']:
for sched in SCHEDULERS:
fname = '{0}/scheduler={1}_overhead={2}.csv'.format(data_dir, sched, rel_type)
p.curves += [curve(fname=fname, xcol=gnuplot_col('n_tasks'),
ycol=gnuplot_col('avg'), title='{0} {1}'.format(sched, rel_type))]
p.xlabel = 'number of tasks'
p.ylabel = 'overhead (microseconds)'
p.title = 'release overheads'
p.gnuplot_exec()
def plot_sched(data_dir):
p = Plot()
p.output = '{0}/overhead=SCHED.pdf'.format(data_dir)
p.format = 'pdf'
p.key = 'top left'
for sched in SCHEDULERS:
fname = '{0}/scheduler={1}_overhead=SCHED.csv'.format(data_dir, sched)
p.curves += [curve(fname=fname, xcol=gnuplot_col('n_tasks'),
ycol=gnuplot_col('avg'), title='{0}'.format(sched))]
p.xlabel = 'number of tasks'
p.ylabel = 'overhead (microseconds)'
p.title = 'scheduling overheads'
p.gnuplot_exec()
def main():
if len(sys.argv) < 2:
usage('missing args')
data_dir = sys.argv[1]
plot_sched(data_dir)
plot_release(data_dir)
if __name__ == '__main__':
main()
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