debug dump files

Use mat to compare multiple heap dump filesWhen debugging memory leaks, it is sometimes useful to compare 2 or more heap dump files in a timely manner. You need to generate multiple separate hprof files.Here are some things about how to compare multiple heap dumps in a mat (a little more complex):1. First hprof file (Usingfile > Open Heap

1, the method of generating core dump file: $ ulimit-c//check for 0 If the 0 $ ulimit-c Unlimited This will generate a core.xxxx file in the current directory after the program crashes 2. Debug Core dump File After generating the core.xxx file $ gdb./Application Core.xxxx You'll be back on the scene to the moment your program crashes. (GDB) bt//This command will

Download windbg The latest program automatically jumps out of the client. Check the code. Start to study how to view dump files. Select compilation settings After rebuildall, create the same path as the path of the client program locally. For example, the path of the file to be debugged on the client is D:/test/test1.exe. Create the same directory locally and copy the generated PDB file an

Reprint: http://leonzhan.iteye.com/blog/803008 Linux under the C program often because of memory access errors such as Segment fault (segment error), at this point if the system core dump function is open, then there will be memory image dump to the hard disk, then you can use GDB on the core file analysis, Restores the stack condition at the time of the system segment error. This is helpful for us to disc

Demand motivation: Solving OOM (Object out of Memory) problems and system tuning 1. How to generate Java heap dump Java heap dump files are generated when there are too many objects in the JVM and the Java heap (Java heap) is depleted. Alternatively, you can use a tool or command to display the file. The ctrl+break can be generated by using the command line duri

Tags: style blog io ar color sp file div problemCreate a core file conditionUse Ulimit-c to specify the core file size to enable the creation of the core file, such as: Ulimit-c UnlimitedAnalyze the condition of the core file with GDBThe executable program compiles with the-G parameter, otherwise gdb cannot find the symbol information and cannot locate the problem.For example, in the following two CPP files, Test.cpp will cause crash.Test.cppvoid Test

The log system of the Oracle 1gR2 database changes a lot. The following describes the changes in the parameter file and adr.1. parameter fileAfter converting the spfile to pfile, we can see that the original bdump, adump, cdump, and udump settings only have the following settings:Audit_file_dest = 'e: \ app \ admin \ orcl \ adump'The show parameter dump command shows the location of other directories. This parameter must be set to store tracking

When using the VS debugger, sometimes you will be prompted in the output box at the bottom of VS to "cannot find or open PDB files." How does this work?Below, we take VS2013 as an example, to teach you the solution.Tools/Materials Vs Method/Step Open the VS2013 and click the menu "Tools"-"options". In the Options window, expand Debug-General, and then tick enable source server sup

Windbg is a free source code-level debugging tool developed by Microsoft. Windbg can be used for kernel mode debugging and user mode debugging. It can also debug dump files. This article is about installing debugging tools for Windows. For more information, see my previous article. For dump file debugging by windbg, yo

methods have the same effect, but they do not take effect in some environments. Therefore, we recommend that you use the preceding command.1) GDB-core = core. xxxxFile./A. OutBT2) GDB-C Core. xxxxFile./A. OutBT 4. Use the core file for debugging ON THE DEVELOPMENT BOARD-----------------------------If the operating system of the Development Board is also Linux, the core debugging method is still applicable. If GDB is not supported on the Development Board, you can copy the Development Board envi

Use an articleArticleThe debugging of SharePoint JavaScript started, and found that the Javascript opened in vs2010 is crowded together, it is very difficult to read and debug. I remember that the 14 hive \ layouts folder contains the debug version of JavaScript. They do not know how to use them. After research, we found that the issue was described in the msdn Article, which is excerpted as follows.

In eclipse, You can debug java files. Sometimes you also need to debug JSP files, but eclipse does not support it, although debugging JSP code in JSP source files is very convenient. Now there is a good solution. After you tell the application server to use your Eclipse proj

Debug jsp (preferred for SUN Enterprise Applications) files In Eclipse, You can debug java files. Sometimes you also need to debug jsp files (preferred for SUN Enterprise applications), but Eclipse does not support them, debugging

Speaking of this, it really took a general effort.One of the simplest ways to do that:The first step: put the files that need to be generated into debug into the project (note: What is the current folder directory and what is stored in debug)Part II: Setting file propertiesCopy to the output directory (if newer: it is updated after the content is changed, not cop

; } TemplateTypeName T1, TypeName T2> void Print (PairT1, T2> x) { Print ("first =\"", X.first, "\"second =\"", X.second, "\""); }}class Timer {Private: clock_t _start; clock_t _end;Public : Timer () { start (); } void Start () { _start = clock (); } Double get () { _end = clock (); Double Usedtime = Double(_end - _start) / Clk_tck; cout "Used time:" Usedtime 1\ n"; return Usedtime; }};#endif Header

Clean up junk files generated by visual Studio2010IntelliTrace.exe, this intelligent tracking, although accelerated debugging speed, but also produced a disadvantage: make the C disk space is insufficient. Settings do not enable it, debugging speed is bound to slow down, enable it, can not go to the end of the process. In order to fundamentally solve the problem, or remove the intelligent tracking option, the program:Vs2010--> Tools---option-->intelli

How to: Debug file paths when calling external files (commonly used with the launchappandwait and Launchapp functions)is when the external file is called, it is generally used launchappandwait function, such asif (launchappandwait (srcdisk^ "Jdk\\jdk-6u4-windows-i586-p.exe", "", laaw_option_wait) MessageBox ("You haven ' t installed JDK 1.6.0_04 yet!", information);endifSee Http://www.cnblogs.com/Cindy_weiw

Visual Studio 2012: Locate the "platform" (or a similar option) under the settings, change the value from Debug.win32 to Release.win32, and then click "Project"-> "Build" (or similar option), or just click "Run". The generated EXE files can be found in the ' bin/release.win32 ' or ' Obj/release.win32 ' folder under the Engineering folder.Visual Studio 2013: In the toolbar "build" → "Configuration Manager" can be changed to use

This problem bothered me for almost two days, by looking for n more information to finally solve, write down to share to everyone.Logging.level.root=debug...A series of log configuration entries does not work because Springboot boot does not load configuration files under Src/main/resources application.properties or APPLICATION.YML.I find n more information on the Internet, on various sites, like what Blog

The Django framework only provides static file services in development mode. When I enable the debug mode, the built-in Django server provides the static file service, so there is no problem with CSS and other file access, but after the debug mode is disabled, django does not provide static file services. Think about this. This is in line with Django's philosophy: The standard servers are very good at this