tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
fork atom
kernel / tools / virtio / ringtest /
at v4.19 11 files
Makefile
README
main.c
main.h
noring.c
ptr_ring.c
ring.c
run-on-all.sh
virtio_ring_0_9.c
virtio_ring_inorder.c
virtio_ring_poll.c
README 
Partial implementation of various ring layouts, useful to tune virtio design.
Uses shared memory heavily.

Typical use:

# sh run-on-all.sh perf stat -r 10 --log-fd 1 -- ./ring