62a824a4bd
Bumps [github.com/intel/goresctrl](https://github.com/intel/goresctrl) from 0.5.0 to 0.6.0. - [Release notes](https://github.com/intel/goresctrl/releases) - [Commits](https://github.com/intel/goresctrl/compare/v0.5.0...v0.6.0) --- updated-dependencies: - dependency-name: github.com/intel/goresctrl dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>
104 lines
3.1 KiB
Go
104 lines
3.1 KiB
Go
// Copyright 2020-2021 Intel Corporation. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package blockio
|
|
|
|
// BlockIOParameters contains cgroups blockio controller parameters.
|
|
//
|
|
// Effects of Weight and Rate values in SetBlkioParameters():
|
|
// Value | Effect
|
|
// -------+-------------------------------------------------------------------
|
|
//
|
|
// -1 | Do not write to cgroups, value is missing.
|
|
// 0 | Write to cgroups, will clear the setting as specified in cgroups blkio interface.
|
|
// other | Write to cgroups, sets the value.
|
|
type BlockIOParameters struct {
|
|
Weight int64
|
|
WeightDevice DeviceWeights
|
|
ThrottleReadBpsDevice DeviceRates
|
|
ThrottleWriteBpsDevice DeviceRates
|
|
ThrottleReadIOPSDevice DeviceRates
|
|
ThrottleWriteIOPSDevice DeviceRates
|
|
}
|
|
|
|
// DeviceWeight contains values for
|
|
// - blkio.[io-scheduler].weight
|
|
type DeviceWeight struct {
|
|
Major int64
|
|
Minor int64
|
|
Weight int64
|
|
}
|
|
|
|
// DeviceRate contains values for
|
|
// - blkio.throttle.read_bps_device
|
|
// - blkio.throttle.write_bps_device
|
|
// - blkio.throttle.read_iops_device
|
|
// - blkio.throttle.write_iops_device
|
|
type DeviceRate struct {
|
|
Major int64
|
|
Minor int64
|
|
Rate int64
|
|
}
|
|
|
|
// DeviceWeights contains weights for devices.
|
|
type DeviceWeights []DeviceWeight
|
|
|
|
// DeviceRates contains throttling rates for devices.
|
|
type DeviceRates []DeviceRate
|
|
|
|
// NewBlockIOParameters creates new BlockIOParameters instance.
|
|
func NewBlockIOParameters() BlockIOParameters {
|
|
return BlockIOParameters{
|
|
Weight: -1,
|
|
}
|
|
}
|
|
|
|
// DeviceParameters interface provides functions common to DeviceWeights and DeviceRates.
|
|
type DeviceParameters interface {
|
|
Append(maj, min, val int64)
|
|
Update(maj, min, val int64)
|
|
}
|
|
|
|
// Append appends (major, minor, value) to DeviceWeights slice.
|
|
func (w *DeviceWeights) Append(maj, min, val int64) {
|
|
*w = append(*w, DeviceWeight{Major: maj, Minor: min, Weight: val})
|
|
}
|
|
|
|
// Append appends (major, minor, value) to DeviceRates slice.
|
|
func (r *DeviceRates) Append(maj, min, val int64) {
|
|
*r = append(*r, DeviceRate{Major: maj, Minor: min, Rate: val})
|
|
}
|
|
|
|
// Update updates device weight in DeviceWeights slice, or appends it if not found.
|
|
func (w *DeviceWeights) Update(maj, min, val int64) {
|
|
for index, devWeight := range *w {
|
|
if devWeight.Major == maj && devWeight.Minor == min {
|
|
(*w)[index].Weight = val
|
|
return
|
|
}
|
|
}
|
|
w.Append(maj, min, val)
|
|
}
|
|
|
|
// Update updates device rate in DeviceRates slice, or appends it if not found.
|
|
func (r *DeviceRates) Update(maj, min, val int64) {
|
|
for index, devRate := range *r {
|
|
if devRate.Major == maj && devRate.Minor == min {
|
|
(*r)[index].Rate = val
|
|
return
|
|
}
|
|
}
|
|
r.Append(maj, min, val)
|
|
}
|