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Add a timing flag to Trace so you can see where slowness occurs

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like waiting for socket timeouts in test_smtplib :-).
This commit is contained in:
Neal Norwitz 2008-02-26 08:21:28 +00:00
parent aa0ef52ea1
commit ca37661a69
3 changed files with 26 additions and 6 deletions
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25
Lib/trace.py
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@ -53,6 +53,7 @@ import os
import re
import sys
import threading
import time
import token
import tokenize
import types
@ -98,6 +99,8 @@ Modifiers:
with '>>>>>> '.
-s, --summary Write a brief summary on stdout for each file.
(Can only be used with --count or --report.)
-g, --timing Prefix each line with the time since the program started.
Only used while tracing.
Filters, may be repeated multiple times:
--ignore-module=<mod> Ignore the given module(s) and its submodules
@ -435,7 +438,8 @@ def find_executable_linenos(filename):
class Trace:
def __init__(self, count=1, trace=1, countfuncs=0, countcallers=0,
ignoremods=(), ignoredirs=(), infile=None, outfile=None):
ignoremods=(), ignoredirs=(), infile=None, outfile=None,
timing=False):
"""
@param count true iff it should count number of times each
line is executed
@ -451,6 +455,7 @@ class Trace:
@param infile file from which to read stored counts to be
added into the results
@param outfile file in which to write the results
@param timing true iff timing information be displayed
"""
self.infile = infile
self.outfile = outfile
@ -463,6 +468,9 @@ class Trace:
self._calledfuncs = {}
self._callers = {}
self._caller_cache = {}
self.start_time = None
if timing:
self.start_time = time.time()
if countcallers:
self.globaltrace = self.globaltrace_trackcallers
elif countfuncs:
@ -613,6 +621,8 @@ class Trace:
key = filename, lineno
self.counts[key] = self.counts.get(key, 0) + 1
if self.start_time:
print '%.2f' % (time.time() - self.start_time),
bname = os.path.basename(filename)
print "%s(%d): %s" % (bname, lineno,
linecache.getline(filename, lineno)),
@ -624,6 +634,8 @@ class Trace:
filename = frame.f_code.co_filename
lineno = frame.f_lineno
if self.start_time:
print '%.2f' % (time.time() - self.start_time),
bname = os.path.basename(filename)
print "%s(%d): %s" % (bname, lineno,
linecache.getline(filename, lineno)),
@ -653,13 +665,13 @@ def main(argv=None):
if argv is None:
argv = sys.argv
try:
opts, prog_argv = getopt.getopt(argv[1:], "tcrRf:d:msC:lT",
opts, prog_argv = getopt.getopt(argv[1:], "tcrRf:d:msC:lTg",
["help", "version", "trace", "count",
"report", "no-report", "summary",
"file=", "missing",
"ignore-module=", "ignore-dir=",
"coverdir=", "listfuncs",
"trackcalls"])
"trackcalls", "timing"])
except getopt.error, msg:
sys.stderr.write("%s: %s\n" % (sys.argv[0], msg))
@ -679,6 +691,7 @@ def main(argv=None):
summary = 0
listfuncs = False
countcallers = False
timing = False
for opt, val in opts:
if opt == "--help":
@ -697,6 +710,10 @@ def main(argv=None):
listfuncs = True
continue
if opt == "-g" or opt == "--timing":
timing = True
continue
if opt == "-t" or opt == "--trace":
trace = 1
continue
@ -779,7 +796,7 @@ def main(argv=None):
t = Trace(count, trace, countfuncs=listfuncs,
countcallers=countcallers, ignoremods=ignore_modules,
ignoredirs=ignore_dirs, infile=counts_file,
outfile=counts_file)
outfile=counts_file, timing=timing)
try:
t.run('execfile(%r)' % (progname,))
except IOError, err: