Useful to measure testing framework overhead. Cc: Jesper Dangaard Brouer <brouer@xxxxxxxxxx> Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> --- tools/virtio/ringtest/noring.c | 69 ++++++++++++++++++++++++++++++++++++++++++ tools/virtio/ringtest/Makefile | 4 ++- 2 files changed, 72 insertions(+), 1 deletion(-) create mode 100644 tools/virtio/ringtest/noring.c 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); +} diff --git a/tools/virtio/ringtest/Makefile b/tools/virtio/ringtest/Makefile index a8356d8..b3d5bc8 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 skb_array +all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder skb_array noring CFLAGS += -Wall CFLAGS += -pthread -O2 -ggdb @@ -17,6 +17,7 @@ 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 skb_array: skb_array.o main.o +noring: noring.o main.o clean: -rm main.o -rm ring.o ring @@ -24,5 +25,6 @@ clean: -rm virtio_ring_poll.o virtio_ring_poll -rm virtio_ring_inorder.o virtio_ring_inorder -rm skb_array.o skb_array + -rm noring.o noring .PHONY: all clean -- MST _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization