def clock_getres(space, clk_id):
with lltype.scoped_alloc(TIMESPEC) as timespec:
ret = c_clock_getres(clk_id, timespec)
if ret != 0:
raise exception_from_saved_errno(space, space.w_OSError)
secs = _timespec_to_seconds(timespec)
return space.newfloat(secs)
def clock_getres(space, clk_id):
with lltype.scoped_alloc(rtime.TIMESPEC) as tp:
ret = rtime.c_clock_getres(clk_id, tp)
if ret != 0:
raise exception_from_saved_errno(space, space.w_IOError)
t = float(rffi.getintfield(tp, "c_tv_sec")) + float(rffi.getintfield(tp, "c_tv_nsec")) * 0.000000001
return space.wrap(t)
def clock_getres(space, clk_id):
with lltype.scoped_alloc(rtime.TIMESPEC) as tp:
ret = rtime.c_clock_getres(clk_id, tp)
if ret != 0:
raise exception_from_saved_errno(space, space.w_IOError)
t = (float(rffi.getintfield(tp, 'c_tv_sec')) +
float(rffi.getintfield(tp, 'c_tv_nsec')) * 0.000000001)
return space.newfloat(t)
def test_clock_getres(self):
if not rtime.HAS_CLOCK_GETTIME:
py.test.skip("no clock_gettime()")
lst = []
with lltype.scoped_alloc(rtime.TIMESPEC) as a1:
res = rtime.c_clock_getres(rtime.CLOCK_MONOTONIC, a1)
assert res == 0
t = (float(rffi.getintfield(a1, 'c_tv_sec')) +
float(rffi.getintfield(a1, 'c_tv_nsec')) * 0.000000001)
assert 0.0 < t <= 1.0
def test_clock_getres(self):
if not rtime.HAS_CLOCK_GETTIME:
py.test.skip("no clock_gettime()")
lst = []
with lltype.scoped_alloc(rtime.TIMESPEC) as a1:
res = rtime.c_clock_getres(rtime.CLOCK_MONOTONIC, a1)
assert res == 0
t = (float(rffi.getintfield(a1, 'c_tv_sec')) +
float(rffi.getintfield(a1, 'c_tv_nsec')) * 0.000000001)
assert 0.0 < t <= 1.0
def process_time(space, w_info=None):
if HAS_CLOCK_GETTIME and (rtime.CLOCK_PROF is not None or
rtime.CLOCK_PROCESS_CPUTIME_ID is not None):
if rtime.CLOCK_PROF is not None:
clk_id = rtime.CLOCK_PROF
implementation = "clock_gettime(CLOCK_PROF)"
else:
clk_id = rtime.CLOCK_PROCESS_CPUTIME_ID
implementation = "clock_gettime(CLOCK_PROCESS_CPUTIME_ID)"
with lltype.scoped_alloc(TIMESPEC) as timespec:
ret = c_clock_gettime(clk_id, timespec)
if ret == 0:
if w_info is not None:
with lltype.scoped_alloc(TIMESPEC) as tsres:
ret = c_clock_getres(clk_id, tsres)
if ret == 0:
res = _timespec_to_seconds(tsres)
else:
res = 1e-9
_setinfo(space, w_info, implementation, res, True,
False)
return space.newfloat(_timespec_to_seconds(timespec))
if True: # XXX available except if it isn't?
from rpython.rlib.rtime import (c_getrusage, RUSAGE, RUSAGE_SELF,
decode_timeval)
with lltype.scoped_alloc(RUSAGE) as rusage:
ret = c_getrusage(RUSAGE_SELF, rusage)
if ret == 0:
if w_info is not None:
_setinfo(space, w_info, "getrusage(RUSAGE_SELF)", 1e-6,
True, False)
return space.newfloat(
decode_timeval(rusage.c_ru_utime) +
decode_timeval(rusage.c_ru_stime))
if have_times:
with lltype.scoped_alloc(rposix.TMS) as tms:
ret = rposix.c_times(tms)
if rffi.cast(lltype.Signed, ret) != -1:
cpu_time = float(
rffi.cast(lltype.Signed, tms.c_tms_utime) +
rffi.cast(lltype.Signed, tms.c_tms_stime))
if w_info is not None:
_setinfo(space, w_info, "times()",
1.0 / rposix.CLOCK_TICKS_PER_SECOND, True,
False)
return space.newfloat(cpu_time /
rposix.CLOCK_TICKS_PER_SECOND)
return clock(space)
def monotonic(space, w_info=None):
if rtime.CLOCK_HIGHRES is not None:
clk_id = rtime.CLOCK_HIGHRES
implementation = "clock_gettime(CLOCK_HIGHRES)"
else:
clk_id = rtime.CLOCK_MONOTONIC
implementation = "clock_gettime(CLOCK_MONOTONIC)"
w_result = clock_gettime(space, clk_id)
if w_info is not None:
with lltype.scoped_alloc(TIMESPEC) as tsres:
ret = c_clock_getres(clk_id, tsres)
if ret == 0:
res = _timespec_to_seconds(tsres)
else:
res = 1e-9
_setinfo(space, w_info, implementation, res, True, False)
return w_result
def time(space, w_info=None):
"""time() -> floating point number
Return the current time in seconds since the Epoch.
Fractions of a second may be present if the system clock provides them."""
if HAS_CLOCK_GETTIME:
with lltype.scoped_alloc(TIMESPEC) as timespec:
ret = c_clock_gettime(rtime.CLOCK_REALTIME, timespec)
if ret == 0:
if w_info is not None:
with lltype.scoped_alloc(TIMESPEC) as tsres:
ret = c_clock_getres(rtime.CLOCK_REALTIME, tsres)
if ret == 0:
res = _timespec_to_seconds(tsres)
else:
res = 1e-9
_setinfo(space, w_info,
"clock_gettime(CLOCK_REALTIME)", res, False,
True)
return space.newfloat(_timespec_to_seconds(timespec))
else:
return gettimeofday(space, w_info)
