tracing books

Between program writing, the Flying Knife still allows everyone to see how the pursuit uses IP addresses to determine the source of the user (Grace, now we need to reveal the "old bottom" of "hunting, hello, everyone ).If you want to write a tracing software, the first thing you think of is to collect an IP allocation table and store them in the database for reading. An IP allocation table exists in the

Luca Canali on 2016Topic: In this post you'll find a short discussion and pointers to the code of a few sample scripts that I had written using L Inux BPF/BCC and Uprobes for Oracle tracing.Previous Work and motivationsTools forDynamic Tracingis very useful for troubleshooting and internals investigations ofOracleWorkloads. Dynamic tracing probes on the os/Kernel, can is used to measure the details for I/O latency for example. Moreover probes on the O

[Translated from mos] Enable oraclenettrace/tracing of dblink-Method for tracking dblink Enable dblink's oracle net trace/tracing -- Method for tracking dblink. Reference Original:DBLINK: How to Enable Oracle Net Tracing for Database links (Doc ID 746917.1) Applicable:Oracle Net Services-Version 9.2.0.1.0 to 11.2.0.3 [Release 9.2 to 11.2]Information in this docum

[Translated from mos] enabling dblink's oracle net trace/tracing and mosdblink Enable dblink's oracle net trace/tracing -- Method for tracking dblink. Reference Original:DBLINK: How to Enable Oracle Net Tracing for Database links (Doc ID 746917.1) Applicable:Oracle Net Services-Version 9.2.0.1.0 to 11.2.0.3 [Release 9.2 to 11.2]Information in this document applie

Why use. Net tracing? ==================== Sometimes, various tools are insufficient for you to learn more about the problem. for example, when different components on an independent server communicate, information exchange is not transmitted over the network and network packets cannot be captured. or when multiple servers communicate with each other using HTTPS (SSL), the specific content of the communication is encrypted and cannot be seen even

There is a two-dimensional array. 0 represents the path, and-1 represents the wall. Find the shortest path of any two points. Let's first look at how to find a path: finding a two-point path is a typical Maze problem in the data structure. The solution is as follows: Start from a point and look for the four directions (top, right, bottom, left). In each step, add the value of the point that has elapsed to 1 to prevent repeated walking, and press the vertices that have passed into the stack (in

There was an incident yesterday in the rice age. One student has not respected the security guards, and then triggered the violence, which is so that we should profoundly reflect on the matter, I write a few poems to commemorate. Thoughts on the incident of security tracing The former two peach kill three, now guard to find students. Overlord defeated book in mind, Soup Yao domineering don't think already. Gentleman Wen Ruyu, curl Lady ya like Yu.

ScaleWhen we have a deep understanding of this architecture, we will find that when the project scale becomes large, there is a very big bottleneck, that is, the data storage system. Especially relational databases. Of course, although more than 90% of the current systems use relational databases, the expansion of the project scale is not a norm after all. Therefore, the existence of such bottlenecks will not be too big a problem. In short, the classic application system structure can be app

Spent some time on bidirectional path tracing (BPT) in pbrt. at least parts of the Code, I had to do it by try and error. debugging is a pain. The implementation may Still be wrong in some details, but generally it performs much better than path (PT) Tracing built-in pbrt. Here is the Cornell box scene rendered with path tracing. Note the area lightPointing

Function stack tracing and broadcom6838 functions are implemented in the broadcom6838 development environment. In the development of embedded devices, the kernel provides good support for function stack tracing of kernel modules, but function stack tracing at the user layer does not provide good support. Collecting and learning function stack traces on the Intern

Tags: Oracle performance databaseWhen Oracle queries come with efficiency issues, we often need to understand the problem so that we can solve the problem. Oracle provides trace information for SQL execution, which contains textual information about SQL statements, some execution statistics, waiting during processing, and information generated by the parsing phase, such as generating execution plans. This information helps you to diagnose performance problems by breaking down the service time an

The execution of SQL statements must be performed on the Oracle server. The Oracle server detects and records all SQL statements executed by the access process. The following commands are The execution of SQL statements must be performed on the Oracle server. The Oracle server detects and records all SQL statements executed by the access process. The following commands are 1. SQL statement tracking The execution of SQL statements must be performed on the Oracle server. The Oracle server det

Outline etw Introduction NBSP;ETW The idea of monitoring the remote machine using NBSP;ETW monitoring native demo NBSP;ETW The underlying class library: EventSource introduction Underlying class library: TraceEvent what is ETW? 1.Event Tracing for Windows (ETW): An event-tracking method provided by the operating system to monitor the performance of a system with a load, with low system overhead (compared to Performance Logs and Alerts). NBSP;2.ETW i

Exception Handling and log tracing in asp.net and asp.net Exception Handling For Exception Handling, everyone must understand try {} catch () {} finally {}. I will not talk about it here. Through "debugging"-"exception" in VS, the exception hierarchy in. NET is displayed in the Common Language Runtime Exceptions column in the pop-up exception dialog box. Custom exception: If the exception classes provided by the system cannot meet the needs of applica

Reference article: http://www.cnblogs.com/miloyip/archive/2010/03/29/1698953.html This article is about the traditional ray-Tracing rendering in computer graphics, with recursive, maximum reflection number of 3, Phong Materials. (1024* 1024) running speed =0.09 frame/sec process: 1. Set up the scene 2. The camera emits a ray 3. Trace the Ray 4. Render based on illumination model and illumination direction Features in the code: 1. The code found, us

Microsoft recently released svcperf, an end-to-end Windows event tracing (ETW)-based tracing viewer for configuration-based tracing. You can use this tool to view ETL files or track sessions in real time, and create custom queries. This end-to-end tracing analysis tool is based on LINQ over traces (TX) and can be use

WCF provides a set of logging and tracing functions, which use the system. Diagnostics tracing mechanism in. NET Framework. WCF applicationsProgramLogs can be recorded during conversion or at the service layer, or trace relatedCodeOutput logs. The tracing level is configurable. The default configuration is recorded only at the severity level. Traceviewer can open

Tags: aam files ati Tin div RSA Tor Ali Lanhttps://mahmoudhatem.wordpress.com/2016/11/07/tracing-memory-access-of-an-oracle-process-intel-pintools/November 7 Mahmoud Hatem troubleshoting this blog post is motivated by a conversation with Frits Hoogland in his great blog Postthe Curious Case of the missing semctl call about how he managed to find a useful memory address (suspecting a fixed SGA variable) used by a process in hi S investigation. So h

Compared with another role, tracing is a process of escape. First, you must make a decision to track and escape. 1. Coordinate trackingIt is also the most basic method of tracing. he modifies the tracker coordinates based on the coordinates of the object to be tracked, and gradually shortens the distance between the two.A simple example:Point m_pprey; // TrackerPoint m_patta; // TrackerFor Tracker: New Posi

API Tracing) As many trojan programs are processed, they gradually feel that the static/dynamic manual analysis process is largely repetitive. It takes half an hour to understand the features of the program. During manual analysis, you may miss a hidden key operation, resulting in incomplete removal. In fact, as long as the API call sequence and corresponding parameters are fully recorded when the trojan is actively installed, the workload of Trojan a