flow control action in jmeter. 2 (or to the latest stable version from JMeter Downloads page) as soon as possible If you want to introduce a delay between 2 requests there are following options: Add Flow Control Action Sampler before the 2nd request. flow control action in jmeter

 
2 (or to the latest stable version from JMeter Downloads page) as soon as possible If you want to introduce a delay between 2 requests there are following options: Add Flow Control Action Sampler before the 2nd requestflow control action in jmeter 0 While Controller exposes current iteration via __jm__While Controller__idx pre-defined variableThe idea of bypassing dynamic parameters is building your Test Plan as follows: Request 1 (open login page) Extract dynamic parameters and store them into JMeter Variables

You can download a JMX of this example here and import it in your project using the JMeter project option. Phần 2: Hướng dẫn xây dựng kịch bản test. and compare the entries for "successful" and "failed" executions in the jmeter. JMeter - Multiple requests at the same time but with different values. You can configure JMeter to "gather" all threads and tell them to wait for the specified amount of time together by adding a Flow Control Action sampler and a Synchronizing Timer with number of users to group by equal to the number of threads in your thread group But despite trying several different configs, Flow Control Action never runs. Add Thread Group and specify the required number of threads and iterations. jtl results file,. JMX is an open test format that allows the test plan to be run in a text editor. 6) Flow Control Action. 0. Flow Control Action・・・Flow Control Action自身の実行を何秒遅延させるかを設定します。 「Sampler > Flow Control Action」の設定 Logical Action on Threa. repeat steps 1-2 98 more times. Right click Loop Controller, Add -> Sampler. According to JMeter Best Practices you should always be using the latest version of JMeter so consider upgrading on the version you will find at JMeter Downloads page on. 2 Answers. Share. The following link gives a working code Restarting a user thread conditionally in JMeter where setTestLogicalAction is called from SampleResult. The Label field in the Summary Report is derived from the Transaction Controller's Name attribute. Given the placement of your Constant Timer according to JMeter Scoping Rules it's getting executed before each request which doesn't seem to be something you're looking for. TCP Sampler. Select "Same user on each iteration" option in thread group 2. 1. Without scripting, you can add Flow Control Action (was: Test Action ) Choose Target: Current Thread and Action: Start Next Thread Loop. Follow answered Jul 10, 2015 at 19:22. Rather than generate a sample, the test element either pauses or stops the selected target. Controls the behavior of the flow, by either enabling or disabling flow behavior (such as logging) or by choosing a branch when the flow runs. : CTRL + G. It scales web development by helping you measure and analyze application performance. 4. 11 hours and 30 minutes using Flow Control Action sampler; Pass the token to the main Thread Group which is doing the endurance test by saving it into a JMeter Property in first Thread Group and reading it using __P() function in second Thread Group0. You can include timers duration by checking "Include duration of timer and pre-post processors in generated sample" box. Add value 50 to Loop Count field as below figure. Also be aware that starting from JMeter 3. OS: AllSubscribe to Our Channel : you want to know how to use flow control action in jmeter or searching for a jmeter flow control action ex. You can amend your Thread Group settings to run the Samplers for 1 hour followed by 5 minutes delay. You can control the number of users simulated (number of threads), the ramp up time (how long it takes to start all the threads), the number of times to perform the test, and optionally, a start and stop time for the test Sampler: tells JMeter to send requests to a server and wait for a response. Setting up Apache JMeter. Component Covered Class Description; Thread Group:. For this, go to the file menu and click on New. 1. I have 1000 records in a csv file. The "sleep" for 11 hours and 55 seconds can be created using Flow Control Action sampler. The text was updated successfully, but these errors were encountered:Stack Overflow | The World’s Largest Online Community for DevelopersRendezVous¶. A JMeter Test Plan comprises of test elements discussed below. Once the condition is met you can use Flow Control Action sampler to stop the current thread: Share. What should be used to extract 'userID' from first API response and use it as an input to second request. sh signal to the headless load stations during the load test itself), so I don't. This is kind of weird as it does work and introduces the pause when the thread reaches the sampler. To make these names unique, I tried. This sampler can also be useful in conjunction with the Transaction Controller, as it allows pauses to be included without needing to generate a sample. I don't know what I am missing. For example, if you set the number of threads as 100; JMeter. - Controllers: Controllers provide flow. The solutions I have tried are: 1. version, etc. It means no sampler = no delay. 0. The workaround is to add as first child of Loop Controller a Test Action (renamed to Flow Control Action since 5. Constant Timer - will create a delay before each Sampler it its scope. Tạo Flow control action: Add -> Sampler -> Follow Control Action Sau đó ta chọn thêm Timer cho Action này. For variable delays, set the pause time to zero, and add a Timer as a child. this adds a "flow control action" after each page/transaction controller. getIteration () == 1,)}, this way it will be executed only during first. Sampler. To apply a timer after a sampler, either add it to the next sampler, or add it as the child of a Test Action Sampler. URL of your influxDB database in regards to the OctoPerf load generators. you declared two variables count and categoryId, you may use the condition: $ {count} < 10 && "$ {categoryId}" == "abc" . log file. Moreover it's not required to write any code, you can go either for __setProperty() and __P() functions combination or for Inter-Thread Communication. If it is added at the Test Plan level then it acts as a global timer and the delay is added for all the samplers before the process. I have recorded JMeter script for a website. You can put Flow Control Action sampler under the If Controller and use the following __groovy () function as the condition: $ {__groovy (vars. jmx: jmx file. I can't figure out why: JMeter. 162k 5 5 gold badges 85 85 silver badges 134 134 bronze badges. Flow Control Action sampler is used along with the logical controllers to control the sampler execution. To begin recording, understand the business flow and have your input data ready. e. Apart from this your "way to achieve the above" is correct. In this course, you’ll learn to invoke key features of the latest version of this testing tool to achieve peak performance for your. e. The first method (adding a Flow Control Action) didn't work. setIgnore() 21. What is JMeter and Its Brief History. We would like to show you a description here but the site won’t allow us. Robust: leverage proven open-source technologies like JMeter. Flow Control Action (was: Test Action ) SMTP Sampler. Mouse over Threads (Users) >. Add If Controller after the Sampler which you suppose to be failing. A Constant Throughput Timer element sets the Target Throughput property to your desired rate of samples per minute. 1. Other (and the main factor) is your application response time because JMeter. 1. $ {__Random (0000,9999)} The random function returns a random number that lies between the given min and max values. Apache JMeter doesn't natively pace based on the number of tests per user. batをダブルクリックして実行し、画面が日本語になっていることを確認します。 以上で、JMeterを使用できる準備が整いました。 次からは、負荷をかける為のシナリオ設定作業に入ります。 設定作業(基本)I have two threads in Jmeter. 2 Answers Sorted by: 1 You will have to use If Controller and Flow Control Action after your assertion OR You may use ctx variable from your JSR223 Assertion to. JMeter Simple Controller Test A straightforward test that: Logs on Searches Updates Record Logoff If we add some Simple Controllers it makes the script easier to read as its split into functional. Response Assertion. 1 Answer. Add Flow Control Action controllers to IF controllers to break from the current loop if it is successful. It will call T1 and continue. They should start after some delays between them. samples=10 delay=10. Flow Control Action, however the Pause doesn't actually pause for me. The script code is as follows: props. Decide if to stop the thread by using If Controller and Flow Control Action Sampler combination. 0. See Easily Write a GOTO Statement in JMeter article for more detailed explanation. sh file. You can download a JMX of this example here and import it in your project using the JMeter project option. Add a Synchronizing Timer as a child of the Test Action sampler and set Number of Simultaneous Users to Group by to 30. JMeter load testing is a testing process that determines whether or not web applications under test can satisfy high load requirements. This field is required. For that you need to. To take the screenshot ( G raphics) of the JMeter screen. 4 - Flow Control Action Sampler. I used startup delay under Threadlifetime setting of the Thread Group and it seems to work. log file. last_sample_ok}"=="false",)} and add Flow Control Action sampler as a child of the If Controller. Improve this answer. To take the screenshot ( G raphics) of the selected element. Click on Add-> Non Test Elements-> HTTP (S) Test Script Recorder (HTTP Proxy server in older JMeter versions). Copy the file you're going to upload to JMeter's "bin" folder. this is achievable by Timers or Flow Control Action sampler. The value is shared between all virtual users running on the same load generator by default. 25 minutes. The Flow Control Action sampler is a sampler that is intended for use in a conditional controller. Subscribe to Our Channel : Flow Control Action sampler is used to modify the execution flow of JMeter by performing specific actions. 3. It lets you control “when” to send a user request to a. I have this setup in Jmeter but the summary report does not report the time it takes for the while loop to finish, seems to just report the HTTP Request time only. Think Timeで負荷量を調整する 2. Jmeter test scenario setup with target transactions per hour. Basically, each Thread simulates one real user request to the server. Under our “ Once Only Controller ”, we’ll want to add a “ BeanShell. 427676 to 60000 and 60008 correspondingly. CTRL + L. I have tested Http request using web service calls. first thread group for API A has Contniue selected and 1 thread and ramp up is 1 and loop count Infinite is selected and Same user on each iteration is selected. JMeter - running a login request once and looping other requests. Ram (Bug 63150): Hi Team, Hope you are doing well. Given you use Test Action my expectation is that you're sitting on one of the previous JMeter versions as this sampler has been renamed to Flow Control Action in JMeter 5. HTTP Request:- This is the widely used sampler to test web applications. Techniques used within JMeter to determine issues in the system include the Stepping and Concurrency Thread Groups. It is based upon the JMeter InfluxDB backend listener. The Throughput Shaping Timer plugin adds the following features to JMeter: The Throughput Shaping Timer element - a timer that sets the desired RPS schedule via the JMeter GUI. Sampler. If I'm correctly getting your point you should substitute your Module Controller with Flow Control. You code should be: // this returns the currents threads timestamp value from the csv long ts = vars ["timestamp"]. Either add a Constant Timer as a child of the "Cancel" request and set "Thread Delay" to 3000. Add initial controller. 0. You can choose Stop to complete samplers in progress. bat. . Choose templates from the menu bar. JTL files with same columns are automatically merged into a single file named merged_X. Example setup: Share. The easiest way of debugging If Controller is enabling logging for it, you can do it in 2 ways: From JMeter GUI having the If Controller selected choose Help -> Enable Debug, Enable JMeter Debug Mode. in this case the delay will be introduced before first request, see A Comprehensive Guide to Using JMeter Timers article for more information. This could be an old bug in JMeter < 2. 8. bat file on windows. CTRL + H. A flow control action is an action that: Does not need a contact or a participant to succeed. 0. JMeter should generate propert HTTP Request sampler and HTTP Header Manager. 950-1000 in 20th minutesvn commit: r1840597 - in /jmeter/trunk: src/core/org/apache/jmeter/resources/messages. 0. Now the system generates the entire test plan. Dmitri T Dmitri T. Select the test plan node and right click on the selected item. Basics on properties & command line: if you need to pass variables through the command line, properties are indeed the correct choice. Bug report for JMeter [2022/07/10] bugzilla Sun, 10 Jul 2022 00:17:08 -0700 Sun, 10 Jul 2022 00:17:08 -0700Warning. JMeter has become an industry-standard tool for conducting functional, load, performance, and regression tests on web applications. To save only the elements located in a particular "branch" of the Test Plan tree, select the Test Plan element in the tree from which to start the "branch", and then click your right mouse button to access the "Save Selection As. Demo: JMeter Performance Testing. Loop to step 2, 30 times. FollowFlow Control Action Random Container Action If Action While Action Loop Action ForEach Action Property Action Link Action Post Processors Post Processors Regexp Variable Extractor JSON Variable Extractor. Thanks in advance! while-loop; jmeter; Share. OctoPerf load testing - JMeter settings documentation page. Share. Add Flow Control Action sampler as a child of the If Controller and configure it to "Go to next iteration of Current Loop" However this way you cannot avoid incrementing the count of the Loop Controller and if/when you run out of iterations JMeter will exit the loop (unless it's something you're looking for), this way you can only skip. Ori Marko Ori Marko. chalz. Test Plan. 0. A thread group is a set of threads executing the same scenario. # Anonymous User - Product Search group1. 3 SamplerThe InfluxDB External reporting allows you to send metrics to your own InfluxDB database and display them in your own grafana dashboards. To apply a timer after a sampler, either add it to the next sampler, or add it as the child of a Flow Control Action. Put all your "transactions" into Test Fragments and use Module Controllers for referencing these fragments, this way you can build arbitrary flow, see Easily Write a GOTO Statement in JMeter article for more details. Flow Control Action is a sampler that is intended for use in a conditional controller. 0 is out! article: Check resume video download between iterations in case you want the plugin to download from where it left off in the last iteration. The Thread Group is an element of JMeter that controls the number of threads to execute your test. Thread behaviour is defined according to ramp up and destroyed once the number of iterations per thread has elapsed. Test Action that will be used to Start Next Thread Loop; Test plan would have the following layout: Share. Let’s look at the controller. Token can be passed from one thread group to another using __setProperty and __P (). Instead, you use an element of the Constant Throughput Timer , Constant Timer , or. If it doesn't - try increasing JMeter logging verbosity for the JDBC Test Elements by adding the next line to log4j2. Configuring Samplers and Controllers: Samplers in JMeter simulate different types of user actions, such as sending HTTP requests, uploading files, or interacting with databases. Using __setProperty () function in this Thread Group to store the token into a JMeter Property and __P () or __property () functions to read the value. For some actions that might take a long time, ensure you set a big enough timeout: ; Adjust the timeout in end-clause on a Citrix Sampler if this sampler must make a zone hash/OCR . I need to run the login request every 4 minutes in order to get the bearer token. Initially, JMeter was introduced for load and performance test web applications, but later on its scope has widened and can perform load and performance. Flow Control Action Sampler 5 Dummy Sampler Controllers. Improve this answer. Means for Ex: I have 3 Transactions In a scenario, with 3 re. Send 'Hello' + #0 3. "Go to next iteration of Current Loop" seems suitable. Mouse over Add >. Follow the below steps to add the Gaussian Random Timer in the script: Select any appropriate element from the below list where you want to add the timer. Thank you. To reset variable for next thread loop iteration, add before While Controller a Flow Control Action and put inside it a preprocessor called User Parameters. Flow Control Action sampler as a child of the If Controller and configure the desired delay in milliseconds there; Share. 4k 23 23 gold badges 132 132 silver badges 233 233 bronze badges. Insert Flow Control Action sampler between requests and configure it to "Pause" for 3000 milliseconds. 0 While Controller exposes current iteration via __jm__While Controller__idx pre-defined variableThe idea of bypassing dynamic parameters is building your Test Plan as follows: Request 1 (open login page) Extract dynamic parameters and store them into JMeter Variables. The easiest solution would be creating a separate Thread Group with 1 virtual user and 1 HTTP Request sampler which will be refreshing the token. More information: How to Convert Your Postman API Tests to JMeter for Scaling. My goal is to make the first 3 requests in a time X sec (about 10),. Some of the important updates include HTTP request changes, improvements for the search and the results tree, new. We try to provide alternatives in the various languages supported by JMeter when possible. 1" 2020-04-14 Note: There might be more issues for flow control action when Break current loop is used, so if you have time please investigate. Scenario 1: I need the iteration to stop after 300 seconds. He wrote it mainly to test the performance of Apache JServ (now called the Apache. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; About the company1 Answer. So basically throughput is the number of requests which JMeter was able to within test duration time frame. I can think of 2 possible reasons which might cause premature ending of your test: CSV Data Set Config is configured to stop thread on EOF, make sure it's set up like at the image below: Flow Control Action sampler is configured to stop either thread or test Jmeter 5. 5 it's not possible, you have the following options: Instead of setting the duration set the fixed number of iterations in the Thread Group. Since JMeter 3. What is JMeter flow control action? Flow Control Action sampler is used along with the logical controllers to control the sampler execution. Sorted by: 0. If there is another Sampler after it- you can add a Timer as a child of. Additionally if you want all the users to finish the action - add a Synchronizing Timer and set the number of users to group by to be equal to the number of threads in the Thread Group. If you want to add a delay between each iteration of each thread add a Flow Control Action Sampler as the first sampler and set the delay in the controller. How does JMeter handle token expiration? 1 Answer. The configuration I have used is. are JMeter Properties. 0) with pause = 0. This HTTP request uses this refresh token to post a request and obtain an access token and the access token is used in the subsequent API requests. Subscribe to Our Channel : you want to know how to use flow control action in jmeter or searching for a jmeter flow control action ex. Add implementation of (Flow Control Action) JMeter Test Plan. We recommend creating it as part of a Setup thread so that it is the first thing created during the test. Also looking into Constant Timer source it seems that you need to provide a Long value so change these 60000. 3 SamplerApache JMeter is a Java-based desktop application, which can be used for load testing to measure the performance of a system or used for stress testing to see if a system is crashed gracefully. Select the “Manual proxy configuration” radio button. Enter the port value that we have entered in the Port field of our browser. 1" 2020-04-14. Something looks like this. If "different intervals" come into play the only solution I can think of is using different Thread Groups for representing different services consumers as due to JMeter's threads model all Samplers inside a single Thread Group will act at a speed of the "slowest" sampler and given the application has "background" services these calls need to. この記事ではJmeterで負荷量を調整する方法2つを説明している. Jmeter - Dummy Sampler vs Flow Action. 3 Microsoft Windows 10 Enterprise 64-bit java version "14. Other (and the main factor) is your application response time because JMeter. Add a module controller. Or by adding the next line to log4j2. Put your requests under the Loop Controller. Improve this answer. 0. The delay can be introduced using Flow Control Action Sampler or Constant Timer or both. 2) - generate parent sampler containing the nested samples. Transaction Controller to measure transaction times There are two different modes for the controller: - generate additional total sample after nested samples (as in JMeter 2. 2 Answers. bat on Windows and jmeter. Add an IF controller after the request, within the while controller, check the success of the request. usercount=10 group1. JMeter Scenario I am using the Stepping thread group with the while controller Jmeter script For pacing, I am using flow control action and a. Flow Control Action with the delay of 600000 milliseconds and Pause is selected is at the same level as While controller ie it is sibling and not child of While controller. 3 Microsoft Windows 10 Enterprise 64-bit java version "14. The controls for a thread group allow you to Set the number of threads for each group. With a full test tree I noticed a lost of 30 to 50% of the target throughput. LR Pacing LR Pacing. To pause (sleep) current or all thread for specified amount of time (duration is set in milliseconds). Q2 we don't know, most probably the reason is that your test doesn't run long enough so first thread isn't able to execute all samplers in scenarios 1 and 2 or there are some Logic Controllers which prevent these scenarios execution or there is a Flow Control Action sampler which doesn't allow the thread to go further, etc. In this course, you’ll learn to invoke key features of the latest version of this testing tool to achieve peak performance for your web applications, all the while improving the testing team’s productivity by developing realistic and scalable test plans and automation. I have selected the option to "Include duration of timer and pre-post processors in generated sample" but the summary report does not seem to include the total time it takes for the. You can put Flow Control Action sampler under the If Controller and use the following __groovy () function as the condition: $ {__groovy (vars. Follow answered Jul 3 at 13:07. Add Flow Control Action sampler after the logintokensso request and configure it to "sleep" for 30 seconds: Or if you have to use the timer for any reason you can still go for the Flow Control Action sampler but with zero delay and make your Constant Timer a child of this Flow Control Action sampler:1. Is there need to use plugin for calculating response time? Also in that question time to last byte and time to first byte are. Improve this answer. This proposal describes possible design of adding flow control to Taurus by adding "logic blocks" to scenario. Improve this answer. 6k次。1、简介Flow Control Action 采样器是一个用于条件控制器的采样器。测试元素不是生成样本,而是暂停或停止所选目标。此采样器还可以与事务控制器结合使用,因为它允许包含暂停而无需生成样本。对于可变延迟,将暂停时间设置为零,并添加一个 Timer 作为子项。Apache JMeter doesn't natively pace based on the number of tests per user. Basic Scripting - Assertions. To pause (sleep). It prevents the performance plugin from correctly comparing test results, basically random aggregated results are being matched. In one thread group Flow Control is used to repeatedly call API after every 10 minutes, in another thread group it is used to exit the jmeter test. In order to achieve your goal, you can place your timer in 2 ways. Rather than generate a sample, the test element either pauses or stops the selected target. more complex calculations you can amend the properties somewhere in setUp Thread. You could use a JMeter variable or property to set a dynamic value. First and foremost thank you for the help. It can generate reports to help eliminate bottlenecks of the system or to see how it performs under heavy loads. Use Random JMeter function. Phần 3: Sử dụng Regular Expressions làm việc với Session IDs và Tokens. Flow Control Action is a sampler that is intended for use in a conditional controller. so if you want to create a delay between HTTP Request 1 and HTTP Request 2 you need to put the timer as a child of the HTTP Request 2. Add Thread Group. I suppose it's some bug in JMeter because thousands of samples are calculated correctly and just couple of them include timer duration. In case of HTTPS traffic import JMeter's self-signed certificate to Postman. err and jmeter. 1 Answer. I have a jmeter test plan below. 99. See the below image, with the Flow Control Action sampler disabled JMeter runs requests as fast as it can and when I enable it JMeter runs requests each 2 seconds. So either put Timer as a child of first sampler in Login Controller, (it'll add delay also in first login) Or add a Flow Control Action at the end of the Logout controller with Timer as its child. put("date", date. 1. . Follow answered Jan 13, 2019 at 7:48. Component Properties - Properties that contain information about the duration and current state of the test. You will create five users that send requests to two pages on the JMeter Web site. Sau đó ta chọn thêm Timer cho Action này. . Rather than generate a sample, the. parse("yyyy. It scales web development by helping you measure and analyze application performance. Subscribe to Our Channel : Flow Control Action sampler is used to modify the execution flow of JMeter by performing specific actions. Share. 4. This plugin is specially designed to schedule RPS loads. MM. pause video streaming: according to JMeter HLS Plugin 3. Make the "token" Thread Group to loop forever. Request 2 (perform login) providing credentials and all dynamic variables from the previous step. A Timer is being executed before each Sampler in its scope so if you want to create a delay between Samplers - you need to put a timer as a child of the 2nd sampler or use Flow Control. ; Constant variables, Random variables. setIgnore () vars. You can also use a JMeter Function or Variable in the “Thread Delay” input. Jmeter - wait for a specific response and collect total response time. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; About the company1 Answer. in this case the delay will be added after the last HTTP Request sampler. Notice that JMeter's [scoping rules] execute Timers before Samplers. Logic Controllers help you to control the flow the order of processing of samplers in a thread. The rows in the generated Summary report have the same Label. 5 it's not possible, you have the following options: Instead of setting the duration set the fixed number of iterations in the Thread Group. Add Flow Control Action sampler as the last request in the If Controller and configure it like: Or add JSR223 Sampler as the last request in the If Controller and put the following code into "Script" area. If you introduce artificial delay of 3 seconds - it will make the overall throughput lower. JMeter load testing is a testing process that determines whether or not web applications under test can satisfy high load requirements. This tutorial provides basic and in-depth knowledge of the Apache JMeter Performance Testing tool. The correct way of creating a delay via script-based timer is using return keyword, the value should have Long data type and the delay is in milliseconds. Loop Controller. JMeter files or test plans are saved in the ‘. If you want to add a random delay consider using JMeter function Random $ {__Random (1000,5000,)} Share. Compile the source code of the plugin and put it in the /lib/ext. flow-1-50 in 1 minute, then 50-100 in 2nd minute, then 100-150 in 3rd minute. 0/jmeter_5_flow_control_action. Create a test plan. Here you will see the process to perform JMeter Performance Testing in 5 steps: 1. I am running a Jmeter Test Plan with an HTTP Request, to test the performance of a web service. In jmeter, I'm using nested loop controllers, along with some JSR223 postprocessors inside each loop. chalz. Follow answered Dec 21, 2020 at 7:36. Name. How to determine when thread group is finished I have 2 threadgroups (ignore the. g. Run Thread Groups in parallel. The options are in: Use JMeter Properties to pass the values from file or command-line arguments when you start the test. The main purpose of the If Controller is to control the JMeter execution script flow. In general you should not be passing values between. JMeter allows you to save the entire Test Plan tree or only a portion of it. 1" 2020-04-14 Note: There might be more issues for flow control action when Break current loop is used, so if you have time please investigate. jmeter. Share. bat. JMeter is a Java based desktop application that can be used for performance testing of different kinds of client-server applications like websites, web services, databases, FTP servers etc. jmeter. I don't think your Uniform Random Timer really works, according to JMeter Scoping Rules it really adds a delay only when it's run in context of a Sampler. He also does a demo. Go inside the bin folder. Add Loop Controller under the Thread Group and set "Loop Count" to $ {samples}. e. Add Flow Control Action sampler after the last request. JMeter is software that can perform load testing, performance-oriented business (functional) testing, regression testing, etc.