# ko-time

**Repository Path**: wensheng777/ko-time

## Basic Information

- **Project Name**: ko-time
- **Description**: koTime是一个轻量级的springboot项目性能分析工具，通过方法调用链路追踪以及运行时长监控快速定位性能瓶颈，并进行可视化展示，还支持代码热更新与邮件预警!
a springboot tool for tracing call graph,which can help you find method's performances easily.
- **Primary Language**: Java
- **License**: LGPL-2.1
- **Default Branch**: spring2
- **Homepage**: http://www.kotime.cn/
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 237
- **Created**: 2025-04-15
- **Last Updated**: 2025-04-15

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

<div align="center">
    <h1 >KoTime<img src='https://shields.io/badge/forSpringboot-r.svg'></h1> 
</div>

<div align="center">
    <h2>Friendlier monitoring</h2> 
</div>

<div align="center">
    <img src='https://gitee.com/huoyo/ko-time/badge/star.svg'>
    <img src='https://img.shields.io/github/stars/huoyo/ko-time.svg?&label=Stars&logo=github'>
    <img src='https://shields.io/badge/version-2.5.0-green.svg'>
    <img src='https://shields.io/badge/author-Chang Zhang-dbab09.svg'>
    <img src='https://shields.io/badge/dependencies-Spring|aspectjweaver|tomcat|UIKit|Metricflow-r.svg'>
</div>

<h4>A lightweight springboot tool for tracing call graph ,which can help you find method's performances easily.</h4>

- ✅ Tracking the Java methods and calculating their execution times
- ✅ Show the paths of methods
- ✅ Find exceptions occurred in methods
- ✅ Email you after finding an overtime method
- ✅ Hot update online:you needn't restart it
- ✅ Thread manage:show threads information,the deadlocks included
- ✅ JVM Space：Eden、Survivor、OldGen and Metaspace
- ✅ Easy to use:you needn't additional learning costs
- ✅ Enough to add a pom dependency:you needn't additional deployment costs


![222](docs/kotime.gif)


## Locations

[Gitee](https://gitee.com/huoyo/ko-time.git)

[Github](https://github.com/huoyo/ko-time.git)

[Support](https://www.patreon.com/chongyang)

## Documents

[中文简介/CHINESE](README.md)

[documents](http://www.kotime.cn/)



## Display

1.Calculating the execution times of Java methods

Finding the methods that need optimize

> ![输入图片说明](docs/v220/syy.png)

2. Interface methods can be seen as follows

You can see every interface method that was called, and you need optimize them when they are red

![输入图片说明](docs/v201/apis.png)

3.Calling details

After clicking a inteface method,you can find paths of the method

![输入图片说明](docs/v204/ff.png)


4.Email

You can open email to receive a warning about overtime method since v2.2.5

![输入图片说明](docs/v200/image.png)

## Important Versions

> V1.0：Basic functions

> V1.2：Error version

> V1.3：Log and time threshold

> V1.4：Add koTime.pointcut


> V1.8：Add the support for Mybatis and some metrics

> V1.9：--

> V2.0.0：Add the support for exceptions and data interfaces

> V2.0.1：Remove freemarker and thymeleaf;
          Remove 'spring.profiles.active=koTime';
          Remove getAllStackTraces();
          Remove layui;
          Optimize configs；

> V2.0.2：Add auth;


> V2.0.7：Display routes for Controllers

> V2.0.8：Times for various params combinations

> V2.2.0：Support using database to store data

> V2.2.2：Support the viewer to use English

> V2.2.3：Support using redis to store data

> V2.2.5：Add `ko-time.discard-rate` to allow project discard some data;
    Fix a bug for DataBase;
    Add email;

> V2.2.8：Hot update
> 
> V2.3.0：Add `ko-time.auth-expire` to allow users define timeout value;optimize ui
> 
> V2.3.1：Remove StringStack to adapt jdk17+

## Copyright

> 1.This project belongs to Chang Zhang,and Its open source protocol is LGPL-2.1；
>
> 2.You can use it freely by linking it,but you can not do secondary development based on this before auhtor's authorization.;
>