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class AppTestCProfile(object):
spaceconfig = {
"usemodules": ['_lsprof', 'time'],
}
def setup_class(cls):
cls.w_file = cls.space.wrap(__file__)
def test_repr(self):
import _lsprof
assert repr(_lsprof.Profiler) == "<class '_lsprof.Profiler'>"
def test_builtins(self):
import _lsprof
prof = _lsprof.Profiler()
lst = []
prof.enable()
lst.append(len(lst))
prof.disable()
stats = prof.getstats()
expected = (
"<built-in function len>",
"<method 'append' of 'list' objects>",
"<method 'disable' of '_lsprof.Profiler' objects>",
)
for entry in stats:
assert entry.code in expected
def test_builtins_callers(self):
import _lsprof
prof = _lsprof.Profiler(subcalls=True)
lst = []
def f1():
lst.append(len(lst))
prof.enable(subcalls=True)
f1()
prof.disable()
stats = prof.getstats()
expected = (
"<built-in function len>",
"<method 'append' of 'list' objects>",
)
by_id = set()
for entry in stats:
if entry.code == f1.__code__:
assert len(entry.calls) == 2
for subentry in entry.calls:
assert subentry.code in expected
by_id.add(id(subentry.code))
elif entry.code in expected:
by_id.add(id(entry.code))
# :-( cProfile.py relies on the id() of the strings...
assert len(by_id) == len(expected)
def test_direct(self):
import _lsprof
def getticks():
return len(ticks)
prof = _lsprof.Profiler(getticks, 0.25, True, False)
ticks = []
def bar(m):
ticks.append(1)
if m == 1:
foo(42)
ticks.append(1)
def spam(m):
bar(m)
def foo(n):
bar(n)
ticks.append(1)
bar(n+1)
ticks.append(1)
spam(n+2)
prof.enable()
foo(0)
prof.disable()
assert len(ticks) == 16
stats = prof.getstats()
entries = {}
for entry in stats:
assert hasattr(entry.code, 'co_name')
entries[entry.code.co_name] = entry
efoo = entries['foo']
assert efoo.callcount == 2
assert efoo.reccallcount == 1
assert efoo.inlinetime == 1.0
assert efoo.totaltime == 4.0
assert len(efoo.calls) == 2
ebar = entries['bar']
assert ebar.callcount == 6
assert ebar.reccallcount == 3
assert ebar.inlinetime == 3.0
assert ebar.totaltime == 3.5
assert len(ebar.calls) == 1
espam = entries['spam']
assert espam.callcount == 2
assert espam.reccallcount == 0
assert espam.inlinetime == 0.0
assert espam.totaltime == 1.0
assert len(espam.calls) == 1
foo2spam, foo2bar = efoo.calls
if foo2bar.code.co_name == 'spam':
foo2bar, foo2spam = foo2spam, foo2bar
assert foo2bar.code.co_name == 'bar'
assert foo2bar.callcount == 4
assert foo2bar.reccallcount == 2
assert foo2bar.inlinetime == 2.0
assert foo2bar.totaltime == 3.0
assert foo2spam.code.co_name == 'spam'
assert foo2spam.callcount == 2
assert foo2spam.reccallcount == 0
assert foo2spam.inlinetime == 0.0
assert foo2spam.totaltime == 1.0
bar2foo, = ebar.calls
assert bar2foo.code.co_name == 'foo'
assert bar2foo.callcount == 1
assert bar2foo.reccallcount == 0
assert bar2foo.inlinetime == 0.5
assert bar2foo.totaltime == 2.0
spam2bar, = espam.calls
assert spam2bar.code.co_name == 'bar'
assert spam2bar.callcount == 2
assert spam2bar.reccallcount == 0
assert spam2bar.inlinetime == 1.0
assert spam2bar.totaltime == 1.0
def test_scale_of_result(self):
import _lsprof, time
prof = _lsprof.Profiler()
def foo(n):
t = time.time()
while abs(t - time.time()) < 1.0:
pass # busy-wait for 1 second
def bar(n):
foo(n)
prof.enable()
bar(0)
prof.disable()
stats = prof.getstats()
entries = {}
for entry in stats:
entries[entry.code] = entry
efoo = entries[foo.__code__]
ebar = entries[bar.__code__]
assert 0.9 < efoo.totaltime < 2.9
# --- cannot test .inlinetime, because it does not include
# --- the time spent doing the call to time.time()
#assert 0.9 < efoo.inlinetime < 2.9
for subentry in ebar.calls:
assert 0.9 < subentry.totaltime < 2.9
#assert 0.9 < subentry.inlinetime < 2.9
def test_builtin_exception(self):
import math
import _lsprof
prof = _lsprof.Profiler()
prof.enable()
try:
math.sqrt("a")
except TypeError:
pass
prof.disable()
stats = prof.getstats()
assert len(stats) == 2
|
