how to debug memory leak

1 IntroductionAn important advantage of Java is that the garbage collector GC (Garbage Collection) automatically manages the recycling of memory, and programmers do not need to invoke functions to free memory. Therefore, many programmers think that Java does not have a memory leak problem, or even if there is a

So what's a good memory leak detection tool under Windows? Microsoft provides Visual Studio development tools that do not have much good memory leak detection capabilities, and we can use third-party tools for visual leak detector (hereinafter referred to as VLD). VLD tool

This article is a series of articles, I am in the long-distance development of Android a little thoughts and records, I will try to follow the first easy after the difficult sequence to write the series. The series cited the "Android Development art exploration" and "in-depth understanding of Android volume Ⅰ,ⅱ,ⅲ" in the relevant knowledge, in addition to learn from other high-quality blog, here to the great God to thank you, worship!!! In addition, this article series of knowledge may require a

Review A memory leak (memory leak) refers to a program failing to release memory that is no longer in use due to negligence or error. So in Android, when an object holds a reference to an activity, and if the object cannot be reclaimed by the system, the activity is not rec

when you call Bitmap.recyce () to release the memory footprint of the image, but if you call recycle () and then try to draw the bitmap, you will get an error: "Canvas:trying to use a recycled Bitmap "(for Android2.3 and previous versions).7.ListView Convertview Cache Mode "Many online data"8.debug will keep the object in a usable state and memory cannot be recy

Test a business data portal for functional testing of the Task manager, found that the IE process has reached the 423,145k, suspected of a memory leak, so I intend to use IE plug-in JS memory leaks dector to detect, However, after some operations that could cause memory leaks, the test results were always normal and no

Java Virtual machine execution generally has a memory limit, exceeding this limit, will be reported OutOfMemory. There is usually a memory leak at this time. Resolving a memory leak is a two-step process: Analyzing whether an application really has a

Introduction to performance optimization tools in Cocos development-Visual Studio Memory leakage detection tools-Visual Leak Detector and cocosleakSo what kind of good memory leak detection tools are available in Windows? Microsoft provides Visual Studio development tools without any good

Objectivemany people think Java programs , because there is a garbage collection mechanism, there should be no memory leaks. In fact, if we no longer use an object in a program, but because there is still a reference to it, the garbage collector cannot reclaim it, and of course the memory used by the object cannot be consumed, which results in a memory

Today, we need to use IBM Rational purify to search for memory leaking. So we started our research and the problem was immediately encountered. I first wrote a test applet, but I found a problem with running it. ---------------------- Int main () { Char * P = new char [16]; Return 0; } --------------------------------------- Compile in vs 2003. net. If it is in debug mode, use purify to check the generated

1.IE7/8 a DOM object or ActiveX object Circular Reference causes a memory leak Circular references are divided into two types:First: multiple objects circular referencesvar a=new Object; var b=New OBJECT;A.R=b;b.r=a;　　The second type: circular referencing yourselfvar a=New OBJECT;A.R=a;for ECMAScript objects, as long as there are no other objects referencing objects A, B, which means they are only

Where multiple memory leaks were encountered during WPF application development using Openexpressapp , a memory leak problem was approached in the previous article "WPF unknown memory leak reason, hair is white a few root", This article will share with you how to solve this

1. Kernel Add memory leak feature option kernel memory leak detector kernel debugging memory leak debugging Compile kernel With debug info go through make menuconfig into the configurat

?? In the previous article several cases of Android memory leak were mentioned in the development of memory leaks common, but too hasty. Since the beginning of the year, the work has not yet formally started, I looked at GitHub open source Square leakcanary, and the company's project test environment to practiced hand, trying to find out the

Debuggable property is true, and ADT sets the property to False when you export the app to build a product version. Note that if you set this property value separately, ADT does not change it. Mat descriptionDalvik Debug Monitor Server (DDMS) is part of the ADT plug-in, where two features are available for memory checking: · Heap view the allocation of heaps· Allocation Tracker tracking

Reference Tutorial: Http://www.ruanyifeng.com/blog/2017/04/memory-leak.html What is a memory leak?The operation of the program requires memory. The operating system or runtime (runtime) must supply memory whenever the program requests it.For a continuously running service pr

Java is a garbage collection language, the advantage is that developers do not have to deliberately manage memory allocation, reduce the application due to local failure (segmentation fault) caused by the crash, while preventing the release of memory to the stack (heap), so the written code is more secure. Unfortunately, there are still a lot of logic in Java that can easily lead to