def invoke(self,
binary,
args=None,
in_directory=None,
on_cpus=None,
background=False,
as_root=False,
timeout=30):
"""
Executes the specified binary under the specified conditions.
:binary: binary to execute. Must be present and executable on the device.
:args: arguments to be passed to the binary. The can be either a list or
a string.
:in_directory: execute the binary in the specified directory. This must
be an absolute path.
:on_cpus: taskset the binary to these CPUs. This may be a single ``int`` (in which
case, it will be interpreted as the mask), a list of ``ints``, in which
case this will be interpreted as the list of cpus, or string, which
will be interpreted as a comma-separated list of cpu ranges, e.g.
``"0,4-7"``.
:background: If ``True``, a ``subprocess.Popen`` object will be returned straight
away. If ``False`` (the default), this will wait for the command to
terminate and return the STDOUT output
:as_root: Specify whether the command should be run as root
:timeout: If the invocation does not terminate within this number of seconds,
a ``TimeoutError`` exception will be raised. Set to ``None`` if the
invocation should not timeout.
"""
command = binary
if args:
if isiterable(args):
args = ' '.join(args)
command = '{} {}'.format(command, args)
if on_cpus:
if isinstance(on_cpus, basestring):
on_cpus = ranges_to_list(on_cpus)
if isiterable(on_cpus):
on_cpus = list_to_mask(on_cpus) # pylint: disable=redefined-variable-type
command = '{} taskset 0x{:x} {}'.format(self.busybox, on_cpus,
command)
if in_directory:
command = 'cd {} && {}'.format(in_directory, command)
return self.execute(command,
background=background,
as_root=as_root,
timeout=timeout)
def invoke(self, binary, args=None, in_directory=None, on_cpus=None,
background=False, as_root=False, timeout=30):
"""
Executes the specified binary under the specified conditions.
:binary: binary to execute. Must be present and executable on the device.
:args: arguments to be passed to the binary. The can be either a list or
a string.
:in_directory: execute the binary in the specified directory. This must
be an absolute path.
:on_cpus: taskset the binary to these CPUs. This may be a single ``int`` (in which
case, it will be interpreted as the mask), a list of ``ints``, in which
case this will be interpreted as the list of cpus, or string, which
will be interpreted as a comma-separated list of cpu ranges, e.g.
``"0,4-7"``.
:background: If ``True``, a ``subprocess.Popen`` object will be returned straight
away. If ``False`` (the default), this will wait for the command to
terminate and return the STDOUT output
:as_root: Specify whether the command should be run as root
:timeout: If the invocation does not terminate within this number of seconds,
a ``TimeoutError`` exception will be raised. Set to ``None`` if the
invocation should not timeout.
"""
command = binary
if args:
if isiterable(args):
args = ' '.join(args)
command = '{} {}'.format(command, args)
if on_cpus:
if isinstance(on_cpus, basestring):
on_cpus = ranges_to_list(on_cpus)
if isiterable(on_cpus):
on_cpus = list_to_mask(on_cpus) # pylint: disable=redefined-variable-type
command = '{} taskset 0x{:x} {}'.format(self.busybox, on_cpus, command)
if in_directory:
command = 'cd {} && {}'.format(in_directory, command)
return self.execute(command, background=background, as_root=as_root, timeout=timeout)
def online_cpus(self):
val = self.get_sysfile_value('/sys/devices/system/cpu/online')
return ranges_to_list(val)
def online_cpus(self):
val = self.get_sysfile_value('/sys/devices/system/cpu/online')
return ranges_to_list(val)
