PowerEdge: Consultas útiles sobre "NVIDIA-SMI" para la solución de problemas

Summary: En este artículo, se muestran consultas útiles sobre "NVIDIA-SMI" para la solución de problemas de la tarjeta GPU NVIDIA.

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Instructions

Versión del VBIOS

Consulte la versión del VBIOS de cada dispositivo:

$ nvidia-smi --query-gpu=gpu_name,gpu_bus_id,vbios_version --format=csv

name, pci.bus_id, vbios_version
GRID K2, 0000:87:00.0, 80.04.D4.00.07
GRID K2, 0000:88:00.0, 80.04.D4.00.08

 

Query Description
timestamp The timestamp of where the query was made in format "YYYY/MM/DD HH:MM:SS.msec".
gpu_name The official product name of the GPU. 
This is an alphanumeric string. For all products.
gpu_bus_id PCI bus id as "domain:bus:device.function", in hex.
vbios_version The BIOS of the GPU board.

Consultar métricas de GPU para el registro del lado del host

Esta consulta es buena para monitorear las métricas de GPU del lado del hipervisor.

Esta consulta funciona tanto para ESXi como para XenServer:

$ nvidia-smi --query-gpu=timestamp,name,pci.bus_id,driver_version,pstate,pcie.link.gen.max,
pcie.link.gen.current,temperature.gpu,utilization.gpu,utilization.memory,
memory.total,memory.free,memory.used --format=csv -l 5
Cuando agregue parámetros adicionales a una consulta, asegúrese de que no se agreguen espacios entre las opciones de consultas.
Query Description
timestamp The timestamp of where the query was made in format "YYYY/MM/DD HH:MM:SS.msec".
name The official product name of the GPU. 
This is an alphanumeric string. For all products.
pci.bus_id PCI bus id as "domain:bus:device.function", in hex.
driver_version The version of the installed NVIDIA display driver. 
This is an alphanumeric string.
pstate The current performance state for the GPU. States range from P0 (maximum performance) to P12 (minimum performance).
pcie.link.gen.max The maximum PCI-E link generation possible with this GPU and system configuration. 
For example, if the GPU supports a higher PCIe generation than the system supports then this reports the system PCIe generation.
pcie.link.gen.current The current PCI-E link generation. These may be reduced when the GPU is not in use.
temperature.gpu Core GPU temperature. in degrees C.

utilization.gpu

Percent of time over the past sample period during which one or more kernels was executing on the GPU.
The sample period may be between 1 second and 1/6 second depending on the product.

utilization.memory

Percent of time over the past sample period during which global (device) memory was being read or written.
The sample period may be between 1 second and 1/6 second depending on the product.

memory.total

 Total installed GPU memory.

memory.free

 Total free memory.

memory.used

 Total memory allocated by active contexts.

Puede obtener una lista completa de los argumentos de consulta mediante la publicación: nvidia-smi --help-query-gpu

nvidia-smi Uso para registro

Registro a corto plazo

Agregue la opción "-f <filename>" para redirigir la salida a un archivo.

Anteponer "timeout -t <seconds>" para ejecutar la consulta de <seconds> y deje de registrar.

Asegúrese de que la granularidad de la consulta tenga el tamaño adecuado para el uso necesario:

 

Purpose nvidia-smi "-l" value interval timeout "-t" value Duration
Fine-grain GPU behavior 5 5 seconds 600 10 minutes
General GPU behavior 60 1 minute 3600 1 hour
Broad GPU behavior 3600 1 hour 86400 24 hours

 

Registro a largo plazo

Cree un script de shell para automatizar la creación del archivo de registro con datos de registro de fecha y hora agregados al nombre de archivo y los parámetros de consulta.

Agregar un nombre personalizado cron trabajo a /var/spool/cron/crontabs para llamar al script en los intervalos necesarios.

COMANDOS DE BAJO NIVEL ADICIONALES UTILIZADOS PARA RELOJES Y ALIMENTACIÓN

Habilite el modo "Persistence".

Los siguientes ajustes para los relojes y la alimentación se restablecen entre ejecuciones de programas, a menos que habilite el modo de persistencia (PM) para el controlador.

También el nvidia-smi El comando se ejecuta más rápido si el modo PM está habilitado.

nvidia-smi -pm 1 - Haga que el reloj, la alimentación y otros ajustes persistan a través de las ejecuciones del programa y las invocaciones de controladores.

Relojes

Command Detail
nvidia-smi -ac <MEM clock, Graphics clock>   View clocks supported
nvidia-smi –q –d SUPPORTED_CLOCKS Set one of supported clocks
nvidia-smi -q –d CLOCK View current clock
nvidia-smi --auto-boost-default=ENABLED -i 0    Enable boosting GPU clocks (K80 and later)
nvidia-smi --rac                                                             Reset clocks back to base

Alimentación

nvidia-smi –pl N  Set power cap (maximum wattage the GPU will use)
nvidia-smi -pm 1 Enable persistence mode
nvidia-smi stats -i <device#> -d pwrDraw Command that provides continuous monitoring of detail stats such as power
nvidia-smi --query-gpu=index, timestamp,power.draw,clocks.sm,clocks.mem,clocks.gr --format=csv -l 1 Continuously provide time stamped power and clock

Otros comandos útiles 

Comando Descripción
nvidia-smi -q Query all the GPUs seen by the driver and display all readable attributes for a GPU.
nvidia-smi Displays current GPU status, driver information and host of other statistics.
nvidia-smi -l Scrolls the output of nvidia-smi continuously until stopped. 
nvidia-smi --query gpu=index,timestamp,power.draw,clocks.sm,clocks.mem,clocks.gr --format=csv Continuously provides time stamped power and clock information.
nvidia-smi --query-gpu=gpu_name,gpu_bus_id,vbios_version --format=csv Query the VBIOS version of each GPU in a system.
lspci -n | grep 10de Determines if the GPU is in compute mode or graphics mode.
nvidia-smi nvlink -s -i<device#> Displays NVLink state for a specific GPU.
gpuswitchmode --listgpumodes Displays the capability of GRID 2.0 cards and switching between compute and graphics. The package is not in the normal CUDA or NVIDIA driver.
nvidia-smi -h Displays the smi commands and syntax form.
nvidia-bug-report.sh Pulls out a bug report which is sent to Level 3 support technician/NVIDIA.
nvidia-smi --query-retired-pages=gpu_uuid,retired_pages.address,retired_page.cause --format=csv Pulls out retired pages, GPU UUID, page fault address and the cause of page fault.
nvidia-smi stats Displays device statistics.
nvcc --version Shows installed CUDA version.
nvidia-smi pmon Displays process statistics in scrolling format.
nvidia-smi nvlink -c -i<device#> Displays NVLink capabilities for a specific GPU.
gpuswitchmode --gpumode graphics Changes the personality of the GPU to graphics from compute (M6 and M60 GPUs).
gpuswitchmode --gpumode compute Changes the personality of the GPU to compute from graphics (M6 and M60 GPUs).

Επηρεαζόμενα προϊόντα

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Article Number: 000190243
Article Type: How To
Τελευταία τροποποίηση: 22 Ιουλ 2025
Version:  3
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