backtrace

PL/SQL Smart Call stack analysisOriginal: http://www.oracle.com/technetwork/issue-archive/2014/14-jan/o14plsql-2045346.htmlThe three dbms_utility functions(Dbms_utility. Format_call_stack, Dbms_utility. Format_error_stack, and Dbms_utility.

The trace usage is exactly the same as that of printf, And the debugging information is output in the output box. Assert receives an expression. If the expression is true, there is no action. Otherwise, the current program of the terminal is

2012-02-05 wcdj 1. Stack knowledge required for debugging 2. Memory Corruption caused by illegal array access Stack knowledge required for debugging Stack is one of the memory regions in which the program stores data. It features a LIFO (last in

Advantages of generating dump files over common debugging technologies: 1. It can capture bugs that cannot be reproduced or are difficult to reproduce; 2. Large programs and programs controlled by a large number of threads are very slow or difficult

[MySQL 5.6] Gtid implementation, operation and maintenance changes and existing bugsHttp://www.tuicool.com/articles/NjqQjuSince not much in-depth attention to gtid, here to make up for themselves, this article is I look at the document and code

php 4.3 Adds a magic constant __class__ to get the current CLASS name. But in the following code, it's not work. Class A {function Showclass () {Echo __class__;}}Class B extends A {}A::showclass ();B::showclass (); This code will play two aces

Tracking function call stacks in linux-general Linux technology-Linux programming and kernel information. The following is a detailed description. Generally, you can view the function runtime stack by using an external debugger such as GDB. However,

Solution to high memory usage of Erlang Server Question: The Erlang server has 1 million online users, and 16 GB of memory is quickly swallowed up. The memory occupied by player processes is high. Solution: Step 1:Erlang: system_info (process_count).

The gcc application in linux-general Linux technology-Linux programming and kernel information. The following is a detailed description. When developing applications for Linux, the C language is used in most cases. Therefore, almost every Linux

A wonderful trip to GCC (II)-Linux general technology-Linux programming and kernel information. The following is a detailed description. Code optimization Code optimization means that the compiler analyzes the source code, finds out the part that

　　Issue: Server 1 million people online, 16G memory is almost eaten up. Player process occupies high memoryWorkaround:The first step:Erlang:system_info (Process_count). See if the number of processes is normal and exceeds the maximum number of

A wonderful tour of GCC **************************************** *************************************This article by zhengtai Linux http://linux-down.kmip.net collection,

The cause of this is that the previous colleague's code had a memory pool where there was no recycling. That is, pop out of the object did not push back, the situation is difficult to reproduce, so in the pop print log, tracking is who called it, I

Use the command:Display variable name tracking view a variable, each time it stops to show its valueUndisplay Trace display number suppress trace displayinfo (or i) breakpoints see which breakpoints are currently setFor example:Disable Breakpoints 3(

------ Tor (onion router) Anonymous network source code analysis-main program entry point (1) ------, ------ tor   --------------------------------------------------------Overview The tor source code package can be downloaded from the official

I. Probe the stack frame structure The original idea was to unwind the function call stack according to a determined Prolog UE on the begin of a frame. For example:-------Pc-------Lr-------Sp-------Fp-------.......The precondition of the every frame

Step 1:Check whether the number of processes is normal? Erlang: system_info (process_count ).   Step 2:Check the node memory consumption?> Erlang: memory ().[{Total, 2099813400 },{Processes, 1985444264 },{Processes_used, 1985276128 },{System, 1143691

A few days ago, the Leaders arranged a small project to solve the problem: in Linux, the process may crash due to various reasons. At this time, we need to find the source code of the problem in the specific row number of a file, in this way,

Question: 1 million people are online on the server, and 16 GB of memory is quickly consumed. High memory usage by player Processes Solution: Step 1:Erlang: system_info (process_count). Check whether the number of processes is normal and whether it

In Android development, Java exceptions are intuitive, but dynamic library exceptions print addresses. The following method can be used to lock the faulty function. Arm-eabi-addr2line-C-F-s-e dynamic library address can parse the address