performance profiling tools

WEB performance testing tools are mainly divided into three types: one is to test the page resource loading speed; the other is to test the page rendering speed and JS operation speed after the page is loaded; one is to evaluate and analyze the page in general. ~~~ If anyone has better tools, share them with us.1. Firebug2.HttpWatch 3. DynaTrace's Ajax Edition4.S

Http_load a performance measurement tool based on the Linux platform. To test the throughput and load of the Web server, test the performance of the Web page. Tools are simple, lightweight, and easy to test, but only available on Linux systems, and only Web services can be tested. The database cannot be tested. The following is a virtual machine to test the Nginx

The JDK provides us with a range of JVM performance monitoring and troubleshooting tools, which are documented here based on learning progress. Easy to read later1.JPS Virtual Machine Process ToolSimilar to the PS command in Linux systems for viewing virtual machine processes, the following features are commonly usedJps-l Show virtual machine process ID and process main classJps-q shows only the process ID

exception through the atop command view.Atop logEach time-point sampling page is combined to form a atop log file that we can use to view the log file using the "atop-r XXX" command. So what is the format for saving atop log files?For how to save the atop log file, we can do this: Save a atop log file every day, which records the information of the day Log files are named "ATOP_YYYYMMDD" Set the log expiration period, automatically delete the log file before a period of time

PHP simple performance testing tools I. Overview nbsp; this class mainly detects the running time of a piece of code and some PHP efficiency problems. II. usage first, The require class mainly uses the interfaces begin (), preTime () and end () begin ($ output, $ environment) to detect the initial position, when this interface is executed, the detection starts. Pre PHP simple

Article title: debugging tools for Tuning LINUX network performance. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. This article describes how to adjust the network performance of Linux systems and describes how to use route,

Yum Installation: Yum install Sysstat (SAR is the front-end display tool for background process SADC, after installing a package called "Sysstat", SADC automatically collects reports from the kernel and saves them)SAR (System activity Reporter report) is one of the most comprehensive system performance analysis tools available on Linux, which can be used to report the activities of the systems in many ways,

Use Chrome to access the site you're testing, and navigate to the page where you want to test the action or the previous page of the page being tested. Press F12 to bring up developer tools, other features I'm not going to introduce, switch directly to the Performance tab profiles.Click Start, generate profile, and manipulate the interface.Last click Stop, generate report, can be produced to see the specifi

Sneak through the site and see some good Linux performance testing tools. Worry about forgetting to make a record here. If there is a wrong place, or insufficient, and usually do not use much, but the force of the tool also please see this blog post of comrades to make a lot of suggestions. Thank you!Dstat ToolsDescription: Dastat This software is dainty, package size is only 144k, installation size 660k. T

BackgroundOPENFIRE/XMPP protocol to build Instant messaging services, corresponding to the Android, IOS mobile applications, want to pass a performance test to verify whether they meet the performance requirements, now the Master tool is LoadRunner, but L2 itself does not directly support the XMPP protocol, The performance test script is now developed through Loa

Question: Stress and performance testing toolsI think it is easy to get started and there are three typesHttp_loadDownloadAddress: http://www.acme.com/software/http_load/http_load-12mar2006.tar.gzThe program is very small. After decompression, less than 100 k of home travel is convenient.Http_load runs in Parallel Multiplexing to test the Web server throughput and load. However, unlike most stress testing toolsIt can run in a single process, and gener

Here we use Microsoft Web application stress tool for web stress testing, Microsoft WebApplication stress ToolDeveloped by Microsoft's website testers, it is a set of tools specifically used for actual website stress testing. With this powerful stress testing tool, you can use a small number of client computers to simulate a large number of users. Before the website is launched, test the website you designed in a real environment to identify potential

Recently finally put Brendan Gregg great God's masterpiece "Systems Performance:enterprise and the Cloud" to read, go to the system tuning road there are many ways to go, recently to write a series of performance tuning articles, It's a reading note, a problem with work. The idea is to write according to the performance tuning picture that Brendan often uses:650) this.width=650; "src=" Http://s2.51cto.com/w

11763Waiting:1 515 1459.8 220 11756total:139 1039 2296.6 275 11843#网络上消耗的时间的分解, the specific algorithm of the data is not clear Percentage Of the requests served within a certain time (ms) 50% 27566% 29875% 32880% 37390% 326095% 907598% 926799% 11713100% 11843 (Longest request) #整个场景中所有请求的响应情况. Each request in the scene has a response time, where 50% of the user's response time is less than 275 milliseconds, 66% of the user response time is less than 298 milliseconds, and the maximum respons

Linux performance analysis tool nmon 1. Overview monitoring is an indispensable part in checking system problems or optimizing system performance. The operating system monitoring tool monitors the usage of operating system resources and indirectly reflects the running status of each server program. The analysis based on the running results can help us quickly locate the scope of system problems or

processingavailability:100.00%//100.00% success rateElapsed time:5999.69 secs//Total timeData transferred:84273.91 MB//Total data transfer 84273.91 MBResponse time:0.37 secs//spents 1.65 seconds: Shows the speed of the network connectionTransaction rate:569.91 trans/sec//569.91 processing per second: indicates the serverthroughput:14.05 mb/sec//Average data transfer per secondconcurrency:213.42//Actual maximum number of concurrentSuccessful transactions:2564081//successful processing timesFaile

Linux performance analysis tool nmon1. Overview monitoring is an indispensable part in checking system problems or optimizing system performance. The operating system monitoring tool monitors the usage of operating system resources and indirectly reflects the running status of each server program. According to the running results, we provide the linux performance

Concurrent number-T run test time URLApache Test Example results:When concurrency is 300,root [ ~ ]# webbench -c 300 -t 60 http://192.168.80.157/phpinfo.phpWebbench - Simple Web Benchmark 1.5Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.Benchmarking:get http://192.168.80.157/phpinfo.phpClients, running Sec.Speed=24525 pages/min, 20794612 bytes/sec.Requests: 24525 susceed, 0 failed.Response Requests per second: 24525 Pages/min, the amount of data transferred 20794612 bytes/sec pe

in the process to understand the execution efficiency.Also, the Windows Task Manager cannot detect memory leaks, and we need to use other tools.For more information, please pay attention to the first Cocos2d-x 3.2 Edition book "Cocos2d-x: C + + volume" book Exchange Discussion website: http://www.cOcoagame.netFor more exciting video courses, please follow Cocos class: http://v.51wOrk6.comWelcome to join Cocos2d-x Technical Discussion group: 257760386Welcome to Luxgen iOS Classroom public platfo

program Key code: #include 2. Performance testing tools In Linux: Find.-Name "*. c" | xargs WC-lTime-execute commands and timing Time find.-Name "*. c" | xargs WC-l // count the command execution time Real 0m33. 748 sUser 0m0. 772 sSys 0m1. 044 s 1) Real Time: the elapsed time from command line execution to running termination; 2) User CPU time: the user CPU time spent on command execution completion,