From 7580bb5a78bf61cff350d0089e4eb74211e6a7f0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fabiano=20Fid=C3=AAncio?= Date: Thu, 21 Apr 2022 00:58:56 +0200 Subject: [PATCH] clh: Expose net rate limiter config MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit With everything implemented, let's now expose the net rate limiter configuration options in the Cloud Hypervisor configuration file. Fixes: #4017 Signed-off-by: Fabiano Fidêncio --- src/runtime/config/configuration-clh.toml.in | 36 ++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/src/runtime/config/configuration-clh.toml.in b/src/runtime/config/configuration-clh.toml.in index b3cfbd5836..5dfe2082d8 100644 --- a/src/runtime/config/configuration-clh.toml.in +++ b/src/runtime/config/configuration-clh.toml.in @@ -180,6 +180,42 @@ block_device_driver = "virtio-blk" # but it will not abort container execution. #guest_hook_path = "/usr/share/oci/hooks" # +# These options are related to network rate limiter at the VMM level, and are +# based on the Cloud Hypervisor I/O throttling. Those are disabled by default +# and we strongly advise users to refer the Cloud Hypervisor official +# documentation for a better understanding of its internals: +# https://github.com/cloud-hypervisor/cloud-hypervisor/blob/main/docs/io_throttling.md +# +# Bandwidth rate limiter options +# +# net_rate_limiter_bw_max_rate controls network I/O bandwidth (size in bits/sec +# for SB/VM). +# The same value is used for inbound and outbound bandwidth. +# Default 0-sized value means unlimited rate. +#net_rate_limiter_bw_max_rate = 0 +# +# net_rate_limiter_bw_one_time_burst increases the initial max rate and this +# initial extra credit does *NOT* affect the overall limit and can be used for +# an *initial* burst of data. +# This is *optional* and only takes effect if net_rate_limiter_bw_max_rate is +# set to a non zero value. +#net_rate_limiter_bw_one_time_burst = 0 +# +# Operation rate limiter options +# +# net_rate_limiter_ops_max_rate controls network I/O bandwidth (size in ops/sec +# for SB/VM). +# The same value is used for inbound and outbound bandwidth. +# Default 0-sized value means unlimited rate. +#net_rate_limiter_ops_max_rate = 0 +# +# net_rate_limiter_ops_one_time_burst increases the initial max rate and this +# initial extra credit does *NOT* affect the overall limit and can be used for +# an *initial* burst of data. +# This is *optional* and only takes effect if net_rate_limiter_bw_max_rate is +# set to a non zero value. +#net_rate_limiter_ops_one_time_burst = 0 + [agent.@PROJECT_TYPE@] # If enabled, make the agent display debug-level messages. # (default: disabled)