ringtest - OpenGrok cross reference for /tools/virtio/ringtest/

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
Name		Date	Size	#Lines	LOC
..		-	-
.gitignore	D	22-Oct-2025	120	8	7
Makefile	D	22-Oct-2025	963	32	26
README	D	22-Oct-2025	177	7	4
main.c	D	22-Oct-2025	6.4 KiB	392	344
main.h	D	22-Oct-2025	4.7 KiB	209	155
noring.c	D	22-Oct-2025	971	73	50
ptr_ring.c	D	22-Oct-2025	3.5 KiB	210	159
ring.c	D	22-Oct-2025	5.8 KiB	271	172
run-on-all.sh	D	22-Oct-2025	670	27	16
virtio_ring_0_9.c	D	22-Oct-2025	7 KiB	334	240
virtio_ring_inorder.c	D	22-Oct-2025	47	3	2
virtio_ring_poll.c	D	22-Oct-2025	49	3	2