Linux kernel source code Analysis Method
I. View of kernel source code
The huge size of Linux kernel code makes many people "daunting". This makes people understand Linux at a general level. If you want to analyze Linux and explore the essence of the operating system, reading the kernel source
supported jdk1.8 so here We choose the bottom of the jdk1.8 to explain, in fact, regardless of understanding the bottom of the version, and finally you just look at each update of the new features or can quickly follow the footsteps.Now start the analysis of the CodeI have written the relevant comments in the code, so we can see the correlation analysis directly
Tags: PostgreSQL optimized code Analysis readingPostgreSQL code Analysis, query optimization section.Here the parts of the canonical predicate expression are sorted out, and the order of reading is as follows:One, PostgreSQL code Analysi
Complete and comprehensive Java resource library (including construction, operation, code analysis, compiler, database, community, etc.) and java resource libraryBuild
The tools used to build applications are collected here.
Apache Maven: Maven uses declarations for building and dependency management. It prefers to use conventions instead of configurations for building. Maven is better than Apache Ant. Th
Complete and comprehensive Java resource library (including construction, operation, code analysis, compiler, database, community, etc.) and java resource libraryBuild
The tools used to build applications are collected here.
Apache Maven: Maven uses declarations for building and dependency management. It prefers to use conventions instead of configurations for building. Maven is better than Apache Ant.
First, install the Sonarqube service end, in other Computer browser landing, start to install other programming language detection plug-ins
The system has installed language plug-ins:
Download the languages that are commonly used in software projects:Android,CSS,Web,XML
Java-Related:Checkstyle,Findbugs,PMD
Java Static Analysis tool profiling objects
Application Technology
Checkstyle
Java source files, defect p
skills and computer understanding.
I am also using a project.LinuxI have benefited a lot from the analysis of the kernel source code. In addition to getting related kernel knowledge, it also changes my previous knowledge of kernel code:
1. Kernel source code analysis is
I. Source Code Analysis Environment:
I should have set up the horizon development environment to facilitate debugging. However, due to various errors, I did not build the environment successfully. This also caused many source code problems to be resolved. I can continue to add this part in the future.
Official build method reference website: http://docs.openstack
Eclipse Source Code AnalysisI. OverviewWalk into Eclipse's kernel and see how it works?1. Eclipse Source Code: Http://download.eclipse.org/eclipse/downloads2. Source code reading tool sources Insight V3.5It is actually a code-editing software, because there are powerful code
Fabric Source Code Analysis--Preface
Individuals are non-go programmers, but no way, the fabric project is written with go. The additional use of Docker,grpc,protocol Buffer,shell scripts, Yaml profiles, cryptographic certifications, and so on, is Google, or a variety of open source technologies. and from github to download source files, source code, tools, pre-
Xdebug document (5) code coverage analysis and xdebug document. Xdebug (5) code overwrite analysis. the code overwrite analysis in xdebug allows you to know which line (or segment) of the script is being executed during the reques
MONGOs is the automatic Shard component provided by MongoDB, in the MongoDB system that provides the Shard function, almost all of the requests will be forwarded to the Mongod through MONGOs, and then the MONGOs is aggregated and returned to the client. The initial analysis MONGOs initialization , for later through MONGOs query, delete, modify, add to record MapReduce aggregate and MONGOs automatic shard and load balance to prepare. Here's the
. JSP priority, *.jsp priority is greater than/(can be learned by my previous article about Tomcat's Url-pattern source code analysis), in this context When accessing a.html:
When Dispatcherservlet is configured for/, Tomcat will still choose Springmvc's dispatcherservlet to handle a.html-, and it cannot handle the MVC given the default configuration: Default-servlet-handler to process-"forward t
Once remember that bird brother Laruence not recommended the use of "magic Method", since then once involved in the use of magic method, I will subconsciously think about it, so good photo? Since this one to two years has been busy working and learning new knowledge, so in this snag has not done in-depth exploration has been stupefied, this year is my deep study of the year, so now must be a close to the problem. Let's take a look at the bird Brother Laruence blog once mentioned:
When I share th
PostgreSQL code Analysis, query optimization section.Here the parts of the canonical predicate expression are sorted out, and the order of reading is as follows:One, PostgreSQL code Analysis, query optimization section, canonicalize_qualTwo, PostgreSQL code
of the application are required, we should understand its operating mechanism and core source code. HoweverJqueryUnlike other class libraries, the source code is a bit obscure and hard to understand. This is the reason for source code analysis.JqueryQuick StartJquerySource code, and be applied in development.
Jquery
I. Summary
The micro-credit public platform provides a simple example code for PHP, which we need to learn more about before further development.
Second, get the code
Micro-letter Official website: http://xiazai.jb51.net/201612/yuanma/phpwxsample (jb51.net). rar
Three, analysis code
The complete
section you can see that big_mm occupies 2301932k,anon-rss all of the large chunks of memory that are mmap allocated. The red Calltrace in the back identifies the stack kernel Oom-killer, and we'll analyze the Oom killer code for that call trace later.
Analysis on the mechanism of Oom killer
We have triggered the oom killer mechanism. So the Oom killer is calculated to choose which process to
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