kernel_optimize_test/tools/virtio/ringtest
Michael S. Tsirkin 481eaec37e tools/virtio: add ringtest utilities
This adds micro-benchmarks useful for tuning virtio ring layouts.
Three layouts are currently implemented:

- virtio 0.9 compatible one
- an experimental extension bypassing the ring index, polling ring
  itself instead
- an experimental extension bypassing avail and used ring completely

Typical use:

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

It doesn't depend on the kernel directly, but it's handy
to have as much virtio stuff as possible in one tree.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-01-26 10:18:30 +02:00
..
main.c
main.h
Makefile
README
ring.c
run-on-all.sh
virtio_ring_0_9.c
virtio_ring_poll.c

Partial implementation of various ring layouts, useful to tune virtio design.
Uses shared memory heavily.