hugepages 0.2.7

Inspect and manage Linux hugepages

hugepages

Inspect and manage Linux hugepages.

Install

pipx install hugepages

Or standalone (single-file, stdlib only, no pip needed):

curl -fsSL https://raw.githubusercontent.com/xnvme/hugepages/main/src/hugepages/hugepages.py \
  -o ~/.local/bin/hugepages && chmod +x ~/.local/bin/hugepages

Shell completion

hugepages --print-completion bash > ~/.local/share/bash-completion/completions/hugepages

Open a new shell (or source the file) and tab-completion is live: hugepages <TAB> lists info setup mount.

Usage

hugepages info                                  # current pool state + supported sizes
sudo hugepages setup --count 512                # reserve 512 pages at the smallest supported size
sudo hugepages setup --size 1048576 --count 4   # reserve 4 x 1 GiB pages
sudo hugepages mount                            # mount hugetlbfs at /dev/hugepages

hugepages info sample output (pool not yet reserved):

Hugepage Support:
  Size: 2048kB  Total: 0  Free: 0  Reserved: 0
  Size: 1048576kB  Total: 0  Free: 0  Reserved: 0

Related

• devbind: inspect and control PCI device-driver binding in Linux.
• iommu: inspect and configure the IOMMU isolation level in Linux.