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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:

Denis Plotnikov (4):
  virtio: introduce VIRTQUEUE_DEFUALT_SIZE instead of hardcoded
  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} 


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