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#!/usr/bin/python3
# Arnaldo Carvalho de Melo <acme@redhat.com>
#
# Please check the tuna repository at:
# http://git.kernel.org/?p=linux/kernel/git/acme/tuna.git;a=tree
# For newer versions and to see it integrated with tuna
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation;
# version 2.1 of the License.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
import getopt
import sys
import gi
from gi.repository import Gtk
gi.require_version("Gtk", "3.0")
from tuna import oscilloscope
def usage():
print('''Usage: oscilloscope [OPTIONS]
-h, --help Give this help list
-d, --delimiter=CHARACTER CHARACTER used as a delimiter [Default: :]
-f, --field=FIELD FIELD to plot [Default: 2]
-g, --geometry=GEOMETRY X geometry specification (see "X" man page)
-m, --max_value=MAX_VALUE MAX_VALUE for the scale
-M, --sample_multiplier=VALUE VALUE to multiply each sample
-n, --noscale Do not scale when a sample is > MAX_SCALE
-s, --nr_samples_on_screen=NR Show NR samples on screen
-S, --snapshot_samples=NR Take NR samples, a snapshot and exit
-u, --unit=TYPE Unit TYPE [Default: us]
''')
def main():
try:
opts, args = getopt.getopt(sys.argv[1:],
"d:f:g:hM:m:ns:S:u:",
("geometry=",
"help", "max_value=",
"sample_multiplier=",
"noscale",
"nr_samples_on_screen=",
"snapshot_samples=",
"unit="))
except getopt.GetoptError as err:
usage()
print(str(err))
sys.exit(2)
max_value = 250
sample_multiplier = 1
snapshot_samples = 0
delimiter = ':'
field = 2
ylabel = "Latency"
unitlabel = "us"
geometry = None
scale = True
nr_samples_on_screen = 250
for o, a in opts:
if o in ("-d", "--delimiter"):
delimiter = a
elif o in ("-f", "--field"):
field = int(a)
elif o in ("-g", "--geometry"):
geometry = a
elif o in ("-h", "--help"):
usage()
return
elif o in ("-m", "--max_value"):
max_value = int(a)
elif o in ("-M", "--sample_multiplier"):
sample_multiplier = float(a)
elif o in ("-n", "--noscale"):
scale = False
elif o in ("-s", "--nr_samples_on_screen"):
nr_samples_on_screen = int(a)
elif o in ("-S", "--snapshot_samples"):
snapshot_samples = int(a)
elif o in ("-u", "--unit"):
unitlabel = a
o = oscilloscope.cyclictestoscope(max_value, snapshot_samples,
nr_samples_on_screen=nr_samples_on_screen,
delimiter=delimiter, field=field,
ylabel="%s (%s)" % (ylabel, unitlabel),
geometry=geometry, scale=scale,
sample_multiplier=sample_multiplier)
o.run()
Gtk.main()
if __name__ == '__main__':
main()
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