https://github.com/aibor/cpumap-loop

Example program show casing eBPF cpumap infinite loop
https://github.com/aibor/cpumap-loop

ebpf xdp

Last synced: 24 days ago
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Example program show casing eBPF cpumap infinite loop

• Host: GitHub
• URL: https://github.com/aibor/cpumap-loop
• Owner: aibor
• Created: 2024-03-01T20:08:37.000Z (8 months ago)
• Default Branch: main
• Last Pushed: 2024-03-01T23:01:05.000Z (8 months ago)
• Last Synced: 2024-09-29T04:20:55.471Z (about 1 month ago)
• Topics: ebpf, xdp
• Language: C
• Homepage:
• Size: 223 KB
• Stars: 1
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSES/GPL-3.0-or-later.txt

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# cpumap_loop

This is a very simple example eBPF/XDP program, that utilizes a CPU infintiely

with a single packet.

![cpumap_loop](cpumap_loop.gif)

## Requirements

* clang (tested with clang v16, at least v11 or later should work, though)

* libbpf

## Build

Either run make on your system:

```

$ make

```

Or use the container to build:

```

docker build --rm -t clbuild .

docker run --rm --volume $(pwd):/build clbuild

```

## Run

__Warning: Running the program results in CPU 0 being busy for about a minute.__

```

$ ./cpumap_loop

```