[PATCH 4/5] VSOCK: modify default rx buf size to improve performance
From: jiangyiwen <hidden>
Date: 2018-11-05 17:06:15
Also in:
kvm
Subsystem:
the rest, virtio and vhost vsock driver, virtio core · Maintainers:
Linus Torvalds, Stefan Hajnoczi, Stefano Garzarella, "Michael S. Tsirkin", Jason Wang
Since VSOCK already support mergeable rx buffer, so it can implement the balance with performance and guest memory, we can increase the default rx buffer size to improve performance. Signed-off-by: Yiwen Jiang <redacted> --- include/linux/virtio_vsock.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
index 6be3cd7..594e720 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h@@ -10,7 +10,7 @@ #define VIRTIO_VSOCK_DEFAULT_MIN_BUF_SIZE 128 #define VIRTIO_VSOCK_DEFAULT_BUF_SIZE (1024 * 256) #define VIRTIO_VSOCK_DEFAULT_MAX_BUF_SIZE (1024 * 256) -#define VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE (1024 * 4) +#define VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE (1024 * 64) #define VIRTIO_VSOCK_MAX_BUF_SIZE 0xFFFFFFFFUL #define VIRTIO_VSOCK_MAX_PKT_BUF_SIZE (1024 * 64) /* virtio_vsock_pkt + max_pkt_len(default MAX_PKT_BUF_SIZE) */
--
1.8.3.1