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-rw-r--r--Lib/trace.py25
1 files changed, 21 insertions, 4 deletions
diff --git a/Lib/trace.py b/Lib/trace.py
index c52c8a8667..06b72b7de5 100644
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -53,6 +53,7 @@ import os
import re
import sys
import threading
+import time
import token
import tokenize
import types
@@ -94,6 +95,8 @@ 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
@@ -431,7 +434,8 @@ 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
@@ -447,6 +451,7 @@ 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
@@ -459,6 +464,9 @@ 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:
@@ -609,6 +617,8 @@ 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), end=' ')
bname = os.path.basename(filename)
print("%s(%d): %s" % (bname, lineno,
linecache.getline(filename, lineno)), end=' ')
@@ -620,6 +630,8 @@ class Trace:
filename = frame.f_code.co_filename
lineno = frame.f_lineno
+ if self.start_time:
+ print('%.2f' % (time.time() - self.start_time), end=' ')
bname = os.path.basename(filename)
print("%s(%d): %s" % (bname, lineno,
linecache.getline(filename, lineno)), end=' ')
@@ -649,13 +661,13 @@ 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 as msg:
sys.stderr.write("%s: %s\n" % (sys.argv[0], msg))
@@ -675,6 +687,7 @@ def main(argv=None):
summary = 0
listfuncs = False
countcallers = False
+ timing = False
for opt, val in opts:
if opt == "--help":
@@ -693,6 +706,10 @@ 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
@@ -775,7 +792,7 @@ 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:
fp = open(progname)
try: