telegraf/plugins/inputs/nvidia_smi/README.md

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# `nvidia-smi` Input Plugin
This plugin uses a query on the [`nvidia-smi`](https://developer.nvidia.com/nvidia-system-management-interface) binary to pull GPU stats including memory and GPU usage, temp and other.
### Configuration
```toml
# Pulls statistics from nvidia GPUs attached to the host
[[inputs.nvidia_smi]]
## Optional: path to nvidia-smi binary, defaults to $PATH via exec.LookPath
# bin_path = /usr/bin/nvidia-smi
## Optional: timeout for GPU polling
# timeout = 5s
```
### Metrics
- measurement: `nvidia_smi`
- tags
- `name` (type of GPU e.g. `GeForce GTX 170 Ti`)
- `compute_mode` (The compute mode of the GPU e.g. `Default`)
- `index` (The port index where the GPU is connected to the motherboard e.g. `1`)
- `pstate` (Overclocking state for the GPU e.g. `P0`)
- `uuid` (A unique identifier for the GPU e.g. `GPU-f9ba66fc-a7f5-94c5-da19-019ef2f9c665`)
- fields
- `fan_speed` (integer, percentage)
- `memory_free` (integer, KB)
- `memory_used` (integer, KB)
- `memory_total` (integer, KB)
- `power_draw` (float, W)
- `temperature_gpu` (integer, degrees C)
- `utilization_gpu` (integer, percentage)
- `utilization_memory` (integer, percentage)
### Sample Query
The below query could be used to alert on the average temperature of the your GPUs over the last minute
```
SELECT mean("temperature_gpu") FROM "nvidia_smi" WHERE time > now() - 5m GROUP BY time(1m), "index", "name", "host"
```
### Example Output
```
nvidia_smi,compute_mode=Default,host=8218cf,index=0,name=GeForce\ GTX\ 1070,pstate=P2,uuid=GPU-823bc202-6279-6f2c-d729-868a30f14d96 fan_speed=100i,memory_free=7563i,memory_total=8112i,memory_used=549i,temperature_gpu=53i,utilization_gpu=100i,utilization_memory=90i 1523991122000000000
nvidia_smi,compute_mode=Default,host=8218cf,index=1,name=GeForce\ GTX\ 1080,pstate=P2,uuid=GPU-f9ba66fc-a7f5-94c5-da19-019ef2f9c665 fan_speed=100i,memory_free=7557i,memory_total=8114i,memory_used=557i,temperature_gpu=50i,utilization_gpu=100i,utilization_memory=85i 1523991122000000000
nvidia_smi,compute_mode=Default,host=8218cf,index=2,name=GeForce\ GTX\ 1080,pstate=P2,uuid=GPU-d4cfc28d-0481-8d07-b81a-ddfc63d74adf fan_speed=100i,memory_free=7557i,memory_total=8114i,memory_used=557i,temperature_gpu=58i,utilization_gpu=100i,utilization_memory=86i 1523991122000000000
```