def traceback(estimate_number_of_entries):
"""Build and return a vmprof-like traceback, as a pair (array_p,
array_length). The caller must free array_p. Not for signal handlers:
for these, call vmprof_get_traceback() from C code.
"""
_cintf = rvmprof._get_vmprof().cintf
size = estimate_number_of_entries * 2 + 4
stack = cintf.get_rvmprof_stack()
array_p = lltype.malloc(rffi.SIGNEDP.TO, size, flavor='raw')
NULL = llmemory.NULL
array_length = _cintf.vmprof_get_traceback(stack, NULL, array_p, size)
return (array_p, array_length)
def get_profile_path(space):
vmp = _get_vmprof()
if not vmp.is_enabled:
return None
with rffi.scoped_alloc_buffer(4096) as buf:
length = vmp.cintf.vmprof_get_profile_path(buf.raw, buf.size)
if length == -1:
return ""
return buf.str(length)
return None
def start_sampling():
return _get_vmprof().start_sampling()
def stop_sampling():
return _get_vmprof().stop_sampling()
def is_enabled():
vmp = _get_vmprof()
return vmp.is_enabled
def enable(fileno, interval, memory=0, native=0, real_time=0):
_get_vmprof().enable(fileno, interval, memory, native, real_time)
def disable():
_get_vmprof().disable()
def register_code_object_class(CodeClass, full_name_func):
_get_vmprof().register_code_object_class(CodeClass, full_name_func)
def register_code(code, name):
_get_vmprof().register_code(code, name)
def enable(fileno, interval):
_get_vmprof().enable(fileno, interval)
def disable():
_get_vmprof().disable()
def register_code(code, name):
_get_vmprof().register_code(code, name)
def register_code_object_class(CodeClass, full_name_func):
_get_vmprof().register_code_object_class(CodeClass, full_name_func)
def start_sampling(space):
_get_vmprof().cintf.vmprof_start_sampling()
def stop_sampling(space):
fd = _get_vmprof().cintf.vmprof_stop_sampling()
return rffi.cast(lltype.Signed, fd)
def enable(fileno, interval):
_get_vmprof().enable(fileno, interval)