with tf.Session() as sess:
  devices = sess.list_devices()
print(devices)

devices = sess.list_devices()

print(devices)

[_DeviceAttributes(/job:localhost/replica:0/task:0/device:CPU:0, CPU, 268435456, 16480266202409258977), _DeviceAttributes(/job:localhost/replica:0/task:0/device:XLA_CPU:0, XLA_CPU, 17179869184, 765063795558819558)]

from tensorflow.python.client import device_lib
 print(device_lib.list_local_devices())

[name: "/device:CPU:0"
device_type: "CPU"
memory_limit: 268435456
locality {
}
incarnation: 6138445927055843096
, name: "/device:XLA_CPU:0"
device_type: "XLA_CPU"
memory_limit: 17179869184
locality {
}
incarnation: 13364430858887117842
physical_device_desc: "device: XLA_CPU device"
]

nvcc -V

nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2018 NVIDIA Corporation
Built on Sat_Aug_25_21:08:01_CDT_2018
Cuda compilation tools, release 10.0, V10.0.130

nvidia-smi

Thu Feb 21 11:53:14 2019
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 410.48                 Driver Version: 410.48                    |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|===============================+======================+======================|
|   0  Quadro M5000        Off  | 00000000:02:00.0  On |                  Off |
| 38%   33C    P8    13W / 150W |    416MiB /  8126MiB |      1%      Default |
+-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| Processes:                                                       GPU Memory |
|  GPU       PID   Type   Process name                             Usage      |
|=============================================================================|
|    0      1049      G   /usr/lib/xorg/Xorg                           255MiB |
|    0      1941      G   compiz                                       157MiB |
+-----------------------------------------------------------------------------+