PowerEdge : Requêtes « NVIDIA-SMI » utiles pour le dépannage

Summary: Cet article présente des requêtes « NVIDIA-SMI » utiles pour le dépannage de la carte de processeur graphique NVIDIA.

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Instructions

VBIOS Version

Interrogez la version du VBIOS de chaque appareil :

$ 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.

Interroger les mesures du processeur graphique pour la journalisation côté hôte

Cette requête est utile pour surveiller les metrics du processeur graphique côté hyperviseur.

Cette requête fonctionne à la fois pour ESXi et 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
Lorsque vous ajoutez des paramètres supplémentaires à une requête, assurez-vous qu’aucun espace n’est ajouté entre les options de requête.
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.

Vous pouvez obtenir la liste complète des arguments de requête en procédant comme suit : nvidia-smi --help-query-gpu

nvidia-smi Utilisation pour la journalisation

Journalisation à court terme

Ajoutez l’option «-f <filename>» pour rediriger la sortie vers un fichier.

Le préfixe «timeout -t <seconds>" pour exécuter la requête pour <seconds> et arrêtez la journalisation.

Assurez-vous que la granularité de vos requêtes est correctement dimensionnée pour l’utilisation requise :

 

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

 

Journalisation à long terme

Créez un script shell pour automatiser la création du fichier journal avec des données d’horodatage ajoutées au nom de fichier et aux paramètres de requête.

Ajouter un nom personnalisé cron tâche à /var/spool/cron/crontabs pour appeler le script aux intervalles requis.

COMMANDES SUPPLÉMENTAIRES DE BAS NIVEAU UTILISÉES POUR LES HORLOGES ET L’ALIMENTATION

Activez le mode « Persistance ».

Tous les paramètres ci-dessous pour les horloges et l’alimentation sont réinitialisés entre les exécutions de programme, sauf si vous activez le mode persistant (PM) pour le pilote.

De plus, l' nvidia-smi La commande s’exécute plus rapidement si le mode PM est activé.

nvidia-smi -pm 1 - Faites en sorte que l’horloge, l’alimentation et d’autres paramètres persistent lors de l’exécution du programme et des appels de pilotes.

Horloges

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

Alimentation

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

Autres commandes utiles 

Commande Description
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).

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