process

Documentation

Index

• func Follow(path string, out chan<- string, stop <-chan struct{}) error
• func PidAlive(pid int) bool
• func TailLines(path string, n int) ([]string, error)
• type ProcessStats
  • func GetStats(pid int) (*ProcessStats, error)

Functions

func Follow

func Follow(path string, out chan<- string, stop <-chan struct{}) error

Follow streams new lines from a file by polling, sending each line to the out channel. Returns when ctx is done.

func PidAlive

func PidAlive(pid int) bool

PidAlive reports whether a process with the given PID is still running. Returns false on any error (including permission errors on platforms where we can't tell).

func TailLines

func TailLines(path string, n int) ([]string, error)

TailLines reads the last n lines from a file.

Types

type ProcessStats

type ProcessStats struct {
	PID        int
	CPUPercent float64
	MemoryMB   float64
	Status     string
}

func GetStats

func GetStats(pid int) (*ProcessStats, error)

GetStats returns CPU and memory usage for a given PID.