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author | Michael S. Tsirkin <mst@redhat.com> | 2016-05-24 15:21:05 +0300 |
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committer | Michael S. Tsirkin <mst@redhat.com> | 2016-06-06 13:00:11 +0300 |
commit | 139ab4d4e68b8cf2a611b06c006a2195dc6bedf1 (patch) | |
tree | 0b76e1eb29428e055efd3b2adaef2753de4809af | |
parent | ef1b144d23dbd745fd655b7d0a70212fcc8d0121 (diff) | |
download | op-kernel-dev-139ab4d4e68b8cf2a611b06c006a2195dc6bedf1.zip op-kernel-dev-139ab4d4e68b8cf2a611b06c006a2195dc6bedf1.tar.gz |
tools/virtio: add noring tool
Useful to measure testing framework overhead.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r-- | tools/virtio/ringtest/Makefile | 4 | ||||
-rw-r--r-- | tools/virtio/ringtest/noring.c | 69 |
2 files changed, 72 insertions, 1 deletions
diff --git a/tools/virtio/ringtest/Makefile b/tools/virtio/ringtest/Makefile index 6ba7455..6173ada 100644 --- a/tools/virtio/ringtest/Makefile +++ b/tools/virtio/ringtest/Makefile @@ -1,6 +1,6 @@ all: -all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder +all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder noring CFLAGS += -Wall CFLAGS += -pthread -O2 -ggdb @@ -15,11 +15,13 @@ 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 virtio_ring_inorder: virtio_ring_inorder.o main.o +noring: noring.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 -rm virtio_ring_inorder.o virtio_ring_inorder + -rm noring.o noring .PHONY: all clean diff --git a/tools/virtio/ringtest/noring.c b/tools/virtio/ringtest/noring.c new file mode 100644 index 0000000..eda2f48 --- /dev/null +++ b/tools/virtio/ringtest/noring.c @@ -0,0 +1,69 @@ +#define _GNU_SOURCE +#include "main.h" +#include <assert.h> + +/* stub implementation: useful for measuring overhead */ +void alloc_ring(void) +{ +} + +/* guest side */ +int add_inbuf(unsigned len, void *buf, void *datap) +{ + return 0; +} + +/* + * skb_array API provides no way for producer to find out whether a given + * buffer was consumed. Our tests merely require that a successful get_buf + * implies that add_inbuf succeed in the past, and that add_inbuf will succeed, + * fake it accordingly. + */ +void *get_buf(unsigned *lenp, void **bufp) +{ + return "Buffer"; +} + +void poll_used(void) +{ +} + +void disable_call() +{ + assert(0); +} + +bool enable_call() +{ + assert(0); +} + +void kick_available(void) +{ + assert(0); +} + +/* host side */ +void disable_kick() +{ + assert(0); +} + +bool enable_kick() +{ + assert(0); +} + +void poll_avail(void) +{ +} + +bool use_buf(unsigned *lenp, void **bufp) +{ + return true; +} + +void call_used(void) +{ + assert(0); +} |