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schedgraph.py: port to Python 3

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The change does not preserve compatibility with Python 2.7.

MFC after:	4 weeks
Differential Revision:	https://reviews.freebsd.org/D33626
This commit is contained in:
Andriy Gapon 2022-01-11 15:31:45 +02:00
parent 776c34f646
commit 7e8ed296e1
1 changed files with 22 additions and 20 deletions
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42
tools/sched/schedgraph.py
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@ -30,11 +30,13 @@
import sys
import re
import random
from Tkinter import *
from operator import attrgetter, itemgetter
from functools import total_ordering
from tkinter import *
# To use:
# - Install the ports/x11-toolkits/py-tkinter package; e.g.
# portinstall x11-toolkits/py-tkinter package
# pkg install x11-toolkits/py-tkinter
# - Add KTR_SCHED to KTR_COMPILE and KTR_MASK in your KERNCONF; e.g.
# options KTR
# options KTR_ENTRIES=32768
@ -55,6 +57,8 @@
# while the workload is still running is to avoid wasting log entries on
# "idle" time at the end.
# - Dump the trace to a file: 'ktrdump -ct > ktr.out'
# - Alternatively, use schedgraph.d script in this directory for getting
# the trace data by means of DTrace. See the script for details.
# - Run the python script: 'python schedgraph.py ktr.out' optionally provide
# your cpu frequency in ghz: 'python schedgraph.py ktr.out 2.4'
#
@ -444,10 +448,6 @@ def upress(self):
for item in self.sconfig:
item.uncheck()
# Reverse compare of second member of the tuple
def cmp_counts(x, y):
return y[1] - x[1]
class SourceStats(Toplevel):
def __init__(self, source):
self.source = source
@ -473,7 +473,7 @@ def __init__(self, source):
for k, v in eventtypes.iteritems():
(c, d) = v
events.append((k, c, d))
events.sort(cmp=cmp_counts)
events.sort(key=itemgetter(1), reverse=True)
ypos = 0
for event in events:
@ -793,10 +793,8 @@ def draw(self, canvas, xpos, ypos):
Event.draw(self, canvas, xpos, ypos, None)
return (xpos + delta)
# Sort function for start y address
def source_cmp_start(x, y):
return x.y - y.y
@total_ordering
class EventSource:
def __init__(self, group, id):
self.name = id
@ -808,12 +806,16 @@ def __init__(self, group, id):
self.hidden = 0
self.tag = group + id
def __cmp__(self, other):
if (other == None):
return -1
if (self.group == other.group):
return cmp(self.name, other.name)
return cmp(self.group, other.group)
def __lt__(self, other):
if other is None:
return False
return (self.group < other.group or
self.group == other.group and self.name < other.name)
def __eq__(self, other):
if other is None:
return False
return self.group == other.group and self.name == other.name
# It is much faster to append items to a list then to insert them
# at the beginning. As a result, we add events in reverse order
@ -1478,7 +1480,7 @@ def sourceshow(self, source):
# expensive due to python's canvas.move().
#
def sourceshowlist(self, srclist):
srclist.sort(cmp=source_cmp_start)
srclist.sort(key=attrgetter('y'))
startsize = []
for source in srclist:
if (source.hidden == 0):
@ -1486,7 +1488,7 @@ def sourceshowlist(self, srclist):
startsize.append((self.sourcepicky(source),
self.sourcesize(source)))
sources.sort(cmp=source_cmp_start, reverse=True)
sources.sort(key=attrgetter('y'), reverse=True)
self.status.startup("Updating display...");
for source in sources:
if (source.hidden == 1):
@ -1516,8 +1518,8 @@ def sourceshowlist(self, srclist):
# expensive due to python's canvas.move().
#
def sourcehidelist(self, srclist):
srclist.sort(cmp=source_cmp_start)
sources.sort(cmp=source_cmp_start)
srclist.sort(key=attrgetter('y'))
sources.sort(key=attrgetter('y'))
startsize = []
off = len(sources) * 100
self.status.startup("Updating display...");