Close #14690: Use monotonic clock instead of system clock in the sched,
subprocess and trace modules.
diff --git a/Lib/trace.py b/Lib/trace.py
index c0ea090..41c2f5f 100644
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -61,6 +61,10 @@
import dis
import pickle
from warnings import warn as _warn
+try:
+ from time import monotonic as _time
+except ImportError:
+ from time import time as _time
try:
import threading
@@ -476,7 +480,7 @@
self._caller_cache = {}
self.start_time = None
if timing:
- self.start_time = time.time()
+ self.start_time = _time()
if countcallers:
self.globaltrace = self.globaltrace_trackcallers
elif countfuncs:
@@ -614,7 +618,7 @@
self.counts[key] = self.counts.get(key, 0) + 1
if self.start_time:
- print('%.2f' % (time.time() - self.start_time), end=' ')
+ print('%.2f' % (_time() - self.start_time), end=' ')
bname = os.path.basename(filename)
print("%s(%d): %s" % (bname, lineno,
linecache.getline(filename, lineno)), end='')
@@ -627,7 +631,7 @@
lineno = frame.f_lineno
if self.start_time:
- print('%.2f' % (time.time() - self.start_time), end=' ')
+ print('%.2f' % (_time() - self.start_time), end=' ')
bname = os.path.basename(filename)
print("%s(%d): %s" % (bname, lineno,
linecache.getline(filename, lineno)), end='')