dmesg

package

v0.0.0-...-612c548 Latest Latest Go to latest Published: Sep 29, 2017 License: MIT Imports: 11 Imported by: 0

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Repository

github.com/meteor/procmon

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Documentation ¶

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Index ¶

func Stream(out chan<- *Message, stop <-chan bool, sampleTime time.Duration) error
type Message
type State
- func New() (*State, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Stream ¶

func Stream(out chan<- *Message, stop <-chan bool, sampleTime time.Duration) error

Stream creates a goroutine that, every sampleTime ticks, will send new dmesg messages to out. It also listens on stop, in case you need to abort the goroutine. If there is an error setting up the initial state, it is returned, but otherwise errors are logged and otherwise ignored.

Types ¶

type Message ¶

type Message struct {
	Level     int64
	Timestamp time.Time
	Message   string
}

Message encapsulates kernel ring buffer messages. The timestamp is absolute, not relative to boot time.

type State ¶

type State struct {
	// contains filtered or unexported fields
}

State is an opaque datatype representing whatever state is needed for the dmesg parser.

func New ¶

func New() (*State, error)

New creates a new State.

func (*State) Current ¶

func (s *State) Current() ([]byte, error)

Current retrieves the current contents of the kernel message ring buffer.

func (*State) Messages ¶

func (s *State) Messages() ([]*Message, error)

Messages retrieves all kernel ring buffer messages and returns them, or a reason why it could not.

func (*State) ParseMessages ¶

func (s *State) ParseMessages(buffer []byte) ([]*Message, error)

ParseMessages reads dmesg type messages out of buffer. To do so it must read the system boot time out of /proc/stat, because dmesg timestamps are relative to when the system booted.

Source Files ¶

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