ctlstats

package

v0.1.3 Latest Latest Go to latest Published: Sep 18, 2019 License: Apache-2.0 Imports: 6 Imported by: 0

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SPDX-Licence-Identifier: Apache-2.0 AND BSD-2-Clause-FreeBSD

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func GetStats() map[uint32]Ctl_io_stats

Wrapper around CGO code to collect the statistics of every LUN

type CtlPortList struct {
	Targets []Target `xml:"targ_port"`
	// contains filtered or unexported fields
}

func GetTargets() CtlPortList

Wrapper around CGO code to get the list of targets

func (cp CtlPortList) GetLunId(lunNumber uint) (uint, error)

Get Lun ID in target from kernel LUN number

func (cp CtlPortList) GetLunTarget(lunNumber uint) *Target

Do a reverse match of Kernel Lun number to Target

type Ctl_io_stats struct {
	Bytes      map[Ctl_stats_types]uint64
	Operations map[Ctl_stats_types]uint64
	Dmas       map[Ctl_stats_types]uint64
}

Statistics exported for a specific LUN or Port

type Ctl_stats_types int

const (
	CTL_STATS_NO_IO Ctl_stats_types = iota
	CTL_STATS_READ
	CTL_STATS_WRITE
)

type Initiator struct {
	Id   uint   `xml:"id,attr"`
	Name string `xml:",chardata"`
}

type LUN struct {
	Id        uint `xml:"id,attr"`
	LunNumber uint `xml:",chardata"`
}

type Target struct {
	Name       string      `xml:"target"`
	LUN        []LUN       `xml:"lun"`
	Initiators []Initiator `xml:"initiator"`
}