profiling

Documentation

Overview

Package profiling assists in gathering CPU profiles.

Index

• func CPUProfileForDuration(outputFilename string, duration time.Duration) error
• func StartupProfile(filename string, view View)
• type View

Functions

func CPUProfileForDuration

func CPUProfileForDuration(outputFilename string, duration time.Duration) error

CPUProfileForDuration will start generating a CPU profile (via pprof) to the supplied file. The profiling will run for the supplied duration and then stop. Only one profile can be running at a time, if you attempt to start a profile while profiling is already running, an error will be returned.

func StartupProfile

func StartupProfile(filename string, view View)

StartupProfile will create a CPU profile to the supplied name, it'll run until the Views LastApplied() results is >= an initial LastLogIndex result. You can use this to easily profile the startup/catchup phase of a view

Types

type View

type View interface {
	LastLogIndex() (uint64, error)
	LastApplied() uint64
}

View defines an abstract way for the StartupProfile function to see where in the log the current processed point is.