From 481eaec37e91e2b33f17275901172f50ce2c71e8 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Thu, 21 Jan 2016 14:44:10 +0200 Subject: 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 --- tools/virtio/ringtest/Makefile | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 tools/virtio/ringtest/Makefile (limited to 'tools/virtio/ringtest/Makefile') diff --git a/tools/virtio/ringtest/Makefile b/tools/virtio/ringtest/Makefile new file mode 100644 index 000000000000..feaa64ac4630 --- /dev/null +++ b/tools/virtio/ringtest/Makefile @@ -0,0 +1,22 @@ +all: + +all: ring virtio_ring_0_9 virtio_ring_poll + +CFLAGS += -Wall +CFLAGS += -pthread -O2 -ggdb +LDFLAGS += -pthread -O2 -ggdb + +main.o: main.c main.h +ring.o: ring.c main.h +virtio_ring_0_9.o: virtio_ring_0_9.c main.h +virtio_ring_poll.o: virtio_ring_poll.c virtio_ring_0_9.c main.h +ring: ring.o main.o +virtio_ring_0_9: virtio_ring_0_9.o main.o +virtio_ring_poll: virtio_ring_poll.o main.o +clean: + -rm main.o + -rm ring.o ring + -rm virtio_ring_0_9.o virtio_ring_0_9 + -rm virtio_ring_poll.o virtio_ring_poll + +.PHONY: all clean -- cgit v1.2.3