debugcharts

package module
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Published: Aug 26, 2018 License: MIT Imports: 13 Imported by: 0

README

debugcharts Build Status

Go memory debug charts.

This package uses Plotly chart library. It is open source and free for use.

Installation

go get -v -u github.com/mkevac/debugcharts

Usage

Just install package and start http server. There is an example program here.

Then go to http://localhost:8080/debug/charts. You should see something like this:

Data is updated every second. We keep data for last day.

User https://github.com/dgryski/ proposed interesing way for turning debugcharts on/off for your project:

You can add tagged file like this in your code

// +build debugcharts

package main

import _ "github.com/mkevac/debugcharts"

If you want to use debugcharts, then build your project with -tags debugcharts

Documentation

Overview

Simple live charts for memory consumption and GC pauses.

To use debugcharts, link this package into your program:

import _ "github.com/mkevac/debugcharts"

If your application is not already running an http server, you need to start one. Add "net/http" and "log" to your imports and the following code to your main function:

go func() {
	log.Println(http.ListenAndServe("localhost:6060", nil))
}()

Then go look at charts:

http://localhost:6060/debug/charts

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func RegisterHandlers

func RegisterHandlers(h HTTPHandler)

Types

type CPUPair

type CPUPair struct {
	Ts   uint64
	User float64
	Sys  float64
}

type DataStorage

type DataStorage struct {
	BytesAllocated []SimplePair
	GcPauses       []SimplePair
	CPUUsage       []CPUPair
	Pprof          []PprofPair
}

type HTTPHandler

type HTTPHandler interface {
	HandleFunc(pattern string, handler func(http.ResponseWriter, *http.Request))
}

type PprofPair

type PprofPair struct {
	Ts           uint64
	Block        int
	Goroutine    int
	Heap         int
	Mutex        int
	Threadcreate int
}

type SimplePair

type SimplePair struct {
	Ts    uint64
	Value uint64
}

Directories

Path Synopsis

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