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[PATCH v1 0/4] Increase default virtqueue size to improve performance
From: |
Denis Plotnikov |
Subject: |
[PATCH v1 0/4] Increase default virtqueue size to improve performance |
Date: |
Wed, 29 Jan 2020 17:06:58 +0300 |
The goal is to increase the performance of the block layer on
1M reads/writes up to 4% by reducing the amount of requests issued by a guest
using virtio-scsi or virtio-blk devices.
Original problem description:
https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg03721.html
Denis Plotnikov (4):
virtio: introduce VIRTQUEUE_DEFUALT_SIZE instead of hardcoded
constants
virtio: increase virtuqueue size for virtio-scsi and virtio-blk
tests: add virtuqueue size checking to virtio_seg_max_adjust test
tests: rename virtio_seg_max_adjust to virtio_check_params
hw/block/virtio-blk.c | 6 ++--
hw/core/machine.c | 3 ++
hw/scsi/virtio-scsi.c | 5 +--
include/hw/virtio/virtio.h | 1 +
...g_max_adjust.py => virtio_check_params.py} | 33 ++++++++++++-------
5 files changed, 32 insertions(+), 16 deletions(-)
rename tests/acceptance/{virtio_seg_max_adjust.py => virtio_check_params.py}
(79%)
--
2.17.0
- [PATCH v1 0/4] Increase default virtqueue size to improve performance,
Denis Plotnikov <=