##// END OF EJS Templates
dirstate-item: make sure we load `mtime-second-ambiguous` from disk...
dirstate-item: make sure we load `mtime-second-ambiguous` from disk Now that we support the associated logic, we can safely load it from it. It is no longer necessary to ignore the stored mtime when the flag is encountered. Differential Revision: https://phab.mercurial-scm.org/D11846

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lsprof.py
145 lines | 4.2 KiB | text/x-python | PythonLexer
from __future__ import absolute_import, print_function
import _lsprof
import sys
from .pycompat import getattr
from . import pycompat
Profiler = _lsprof.Profiler
# PyPy doesn't expose profiler_entry from the module.
profiler_entry = getattr(_lsprof, 'profiler_entry', None)
__all__ = [b'profile', b'Stats']
def profile(f, *args, **kwds):
"""XXX docstring"""
p = Profiler()
p.enable(subcalls=True, builtins=True)
try:
f(*args, **kwds)
finally:
p.disable()
return Stats(p.getstats())
class Stats(object):
"""XXX docstring"""
def __init__(self, data):
self.data = data
def sort(self, crit="inlinetime"):
"""XXX docstring"""
# profiler_entries isn't defined when running under PyPy.
if profiler_entry:
if crit not in profiler_entry.__dict__:
raise ValueError(b"Can't sort by %s" % crit)
elif self.data and not getattr(self.data[0], crit, None):
raise ValueError(b"Can't sort by %s" % crit)
self.data.sort(key=lambda x: getattr(x, crit), reverse=True)
for e in self.data:
if e.calls:
e.calls.sort(key=lambda x: getattr(x, crit), reverse=True)
def pprint(self, top=None, file=None, limit=None, climit=None):
"""XXX docstring"""
if file is None:
file = sys.stdout
d = self.data
if top is not None:
d = d[:top]
cols = b"% 12d %12d %11.4f %11.4f %s\n"
hcols = b"% 12s %12s %12s %12s %s\n"
file.write(
hcols
% (
b"CallCount",
b"Recursive",
b"Total(s)",
b"Inline(s)",
b"module:lineno(function)",
)
)
count = 0
for e in d:
file.write(
cols
% (
e.callcount,
e.reccallcount,
e.totaltime,
e.inlinetime,
label(e.code),
)
)
count += 1
if limit is not None and count == limit:
return
ccount = 0
if climit and e.calls:
for se in e.calls:
file.write(
cols
% (
se.callcount,
se.reccallcount,
se.totaltime,
se.inlinetime,
b" %s" % label(se.code),
)
)
count += 1
ccount += 1
if limit is not None and count == limit:
return
if climit is not None and ccount == climit:
break
def freeze(self):
"""Replace all references to code objects with string
descriptions; this makes it possible to pickle the instance."""
# this code is probably rather ickier than it needs to be!
for i in range(len(self.data)):
e = self.data[i]
if not isinstance(e.code, str):
self.data[i] = type(e)((label(e.code),) + e[1:])
if e.calls:
for j in range(len(e.calls)):
se = e.calls[j]
if not isinstance(se.code, str):
e.calls[j] = type(se)((label(se.code),) + se[1:])
_fn2mod = {}
def label(code):
if isinstance(code, str):
if sys.version_info.major >= 3:
code = code.encode('latin-1')
return code
try:
mname = _fn2mod[code.co_filename]
except KeyError:
for k, v in list(pycompat.iteritems(sys.modules)):
if v is None:
continue
if not isinstance(getattr(v, '__file__', None), str):
continue
if v.__file__.startswith(code.co_filename):
mname = _fn2mod[code.co_filename] = k
break
else:
mname = _fn2mod[code.co_filename] = '<%s>' % code.co_filename
res = '%s:%d(%s)' % (mname, code.co_firstlineno, code.co_name)
if sys.version_info.major >= 3:
res = res.encode('latin-1')
return res