Intellij async profiler Use the OpenTelemetry Java agent if you want auto-instrumentation or just the APIs if you want to do your instrumentation. Profiling Java code with IntelliJ Ultimate : Introduction julien lengrand-lambert 48 subscribers Subscribed I'm having a strange issue with multiple threads and breakpoints in IntelliJ IDEA 14. jetbrains. You don't need to install any of them. For example, the CPU profiler can collect data during arbitrarily large periods of time, like hours or even days of program operation. 1. I updated my version to 2019. Jun 23, 2025 · Plugin provides Async profiler for IDE Performance Testing. In this blog post, I’ll walk you through the support that IntelliJ IDEA has for profiling Java a… Jul 29, 2025 · IntelliJ Profiler is not a single tool but rather a suite of related tools. The profiler works with OpenJDK and other Java runtimes based on the HotSpot JVM. IntelliJ Profiler Last, but not least, we come to the IntelliJ Java profiler. They can help you find the most expensive methods and understand exactly how they behave. r. Both of these profilers’ functionality is available in the built-in IntelliJ Profiler. 3 release introduces Help | Diagnostic | Start Async Profiler option for Linux and macOS. When you decide to profile your Java code with Async Profiler, it means that you simultaneously attach the CPU and Allocation profilers to the running process. Mar 6, 2020 · By profiling your Java application, you can discover the methods that execute in your application and for how long. Jul 18, 2025 · Plugin provides Async profiler for IDE Performance Testing. Environment- IntelliJ IDEA Ultimate, Java 8 Jun 5, 2024 · Watch on Async Profiler IntelliJ IDEA JVM Profiler Profiler Ultimate IntelliJ IDEA 2020. Jan 31, 2022 · Let’s run the application with Async Profiler attached. Apr 8, 2025 · Plugin provides Async profiler for IDE Performance Testing. Mar 5, 2024 · 1. This data is then aggregated in a human-readable form to give us an idea of what the application was doing when allocating these objects. This guide provides an in-depth approach to identifying and resolving these issues to ensure smooth profiling. How can I configure Intellij's Async Profiler to use Wall-clock please? Jul 30, 2025 · When you open a snapshot, IntelliJ IDEA shows the Profiler tool window and adds runtime hints near the corresponding lines right in the editor. jmc. IntelliJ is integrated with Async Profiler and Java Flight Recorder. This plugin supports profiling your Java applications directly in IntelliJ with JFR and async-profiler viewing JFR files showing flamegraphs, call trees and more It allows you to profile your Java application with JFR and async-profiler and view the results in IntelliJ IDEA, as well as opening JFR Oct 12, 2023 · 1 I'm trying to use the integrated profiler in IntelliJ (I tried both IntelliJ Profiler and Async Profiler, to no avail) to look for performance bottlenecks in a web application, running a Tomcat I run from IntelliJ. deps » async-profilerAsync Profiler May 5, 2023 · I try to use wall clock time in intellij profiler instead of cpu time, and I change the config to wall according the post here. 我们可以在IntelliJ IDEA中通过选择 Settings/Preferences > Build, Execution, Deployment: 的 Java Profiler 菜单选项来配置 async-profiler。 Also, for quick usage, we can choose any predefined configuration, like the CPU Profiler and the Allocation Profiler that IntelliJ IDEA offers. Alternatively, you can attach the profiler to an already running process, which is what we are going to do. Expected Behavior: The profiler should load correctly and work on ARM Apr 30, 2024 · Some tools that are well-liked include: JVM tools Digma VisualVM YourKit JProfiler NetBeans Profiler IntelliJ Profiler Async Profiler Arthas OpenTelemetry and Java Flight Recorder (JFR) cover most bases. 94% is relative to the total time of all threads. While it is Intellij IDEA comes bundled with async-profiler, which can be further configured to our needs by selecting the Java Profiler menu option at Settings/Preferences > Build, Execution, Deployment. Feb 14, 2023 · This blog explains how we use the profiling tools integrated to IntelliJ IDEA IDE at Instaclustr to improve the overall performance and optimize the memory usage of our Java applications. concurrent. 2. May 6, 2023 · The workaround has been implemented in async-profiler. profiler:profiler-ultimate-idea-async-profiler:241. Code after the breakpoint is executed before it stops on it. Home » com. Multiple tools are available, but it essentially boils down to async-profiler and JMC. Nov 14, 2024 · I'm encountering a compatibility issue with libasyncProfiler. It combines the functionalities of two powerful Java profilers: Java Flight Recorder and Async profiler. 55") Oct 25, 2021 · Can I use InteliJ Ultimate's profiler to see how long it takes for a method to be executed? The profiler works with OpenJDK and other Java runtimes based on the HotSpot JVM. internal. Fast start To start profiling in IntelliJ IDEA, click on three dots in the upper-right corner of the IDE or on a "Play" gutter icon next to a code line and select "Profile with IntelliJ Profiler". It features HotSpot-specific API to collect stack traces and to track memory allocations. IntelliJ IDEA Ultimate has built-in JFR viewer that works perfectly with async-profiler recordings. Home » org. Jul 9, 2025 · Hi there 👋 I wanted to run my app with the profiler. flightrecorder. o. Sep 5, 2025 · An open-source profiler plugin for JDK 11+ based on JFR, async-profiler and Firefox Profiler. Oct 14, 2024 · @Grapes ( @Grab (group='org. Jun 18, 2024 · @Grapes ( @Grab (group='org. IntelliJ embeds two profiling tools: java flight recorder and async profiler. Jan 23, 2025 · It seems JetBrains has another async profile api,Open Source project https://github. 53, built on June 23 Apr 19, 2025 · Describe the bug Thank you very much for such an excellent product。 I'm encountering an issue when trying to analyze JFR files generated by async-profiler 4. openjdk. While it is May 29, 2021 · IntelliJ Profiler does that by periodically collecting the stack information from all threads running in the app. Jun 4, 2025 · Plugin provides Async profiler for IDE Performance Testing. To attach the profiler from IntelliJ IDEA, choose a run configuration that you would normally use to run the application, and select Profile from the menu. profiler » profiler-ultimate-idea-async-profiler Intellij Profiler Kernel Variables. , GC and JIT compiler threads) and shows native and kernel frames in stack traces. In this live stream, author of the Async Profiler and Java Champion Andrei Pangin will demonstrate working with the Async Profiler in IntelliJ IDEA. It’s a great choice for CPU profiling. The code is not cpu bound. It combines the power of the Async Profiler and the Java Flight Recorder and brings us closer to the goal of implementing a single, all-in-one profiling tool for all platforms. It is a simple, yet powerful tool for memory and CPU profiling, and as the name suggests – it is bundled with InteliJ IDEA IDE. JVM Tools Jan 17, 2025 · In the following blog post, I will show you how to use Async Profiler to profile Java apps in containers. 2 and later. In intellij idea you can attach the profiler to the most common run configurations, including local maven and tomcat run/debug. This plugin supports profiling your Java applications directly in IntelliJ with JFR and async-profiler viewing JFR files showing flamegraphs, call trees and more It allows you to profile your Java application with JFR and async-profiler and view the results in IntelliJ IDEA, as well as opening JFR Get started with Java profiling Profile your application without leaving the IDE. Mar 6, 2020 · New Live Stream: A Simple Approach to Advanced JVM profiling Register now and join us for the live stream of 'A Simple Approach to Advanced JVM Profiling'. Jun 1, 2023 · Profiling in IntelliJ IDEA As of version 2021. viewing JFR files. 1 EAP7: Improvements for Git, New Java Inspections IntelliJ IDEA 2020. 0, which is integrated into IntelliJ IDEA, we get the ability to profile memory allocations as well. This can be achieved using a WSL2 distro, since IntelliJ for Windows supports WSL2 integration. 9. While it is Jul 17, 2024 · IntelliJ Profiler 如你所知，IntelliJ IDEA 集成了 JVM 剖析器。 你可以通过剖析器附加 启动应用程序。 或者，你可以将剖析器附加到已运行的进程中，这就是我们将要做的。 为此，请转到 分析器 (Profiler) 工具窗口，在那里找到相应的进程。 Feb 20, 2025 · In the previous article, we looked at ways of profiling Java applications in containers with Java Flight Recorder (JFR), a profiling a diagnostics tool built into the JVM. As it is an integral part of IDE, there’s no need to set up anything, and one can attach IntelliJ Profiler to the running application with a single click. Dec 12, 2022 · Change log Acknowledgments Profiled application How to run an async-profiler Command line During JVM startup From Java API From JMH benchmark AP-Loader IntelliJ Idea Command line During JVM startup From Java API From JMH benchmark AP-Loader IntelliJ Idea Output formats Flame graphs Basic resources profiling Wall-clock Wall-clock - filtering CPU - easy-peasy CPU - a bit harder Allocation Oct 5, 2021 · IntelliJ IDEA’s profiler has out-of-the-box support for Async Profiler. 0-5') ) Nov 5, 2024 · 2018. Jun 12, 2022 · I am trying to profile that is often blocking in either database and rest calls. Sep 25, 2025 · Async Profiler for IDE Performance Testing JetBrains s. 1 on the same project. The profiler works with OpenJDK, Oracle JDK and other Java runtimes based on HotSpot JVM. AtomicInte May 26, 2024 · I often profile smaller chunks of logic in my application. How to enable wall-clock profiling for Intellij Async Profiler? An open-source profiler plugin for JDK 11+ based on JFR, async-profiler and Firefox Profiler. Jul 28, 2025 · Plugin provides Async profiler for IDE Performance Testing. I tried both IntelliJ Profiler and Async Profiler but none of them worked. Experiencing errors with the Windows Async Profiler in IntelliJ can hinder your ability to test and optimize your applications effectively. 2 on my system, but I'm unable to find the library. 6') ) Nov 12, 2021 · Community supported builds Windows / x64 - IntelliJ IDEA 2021. Plugin provides Async profiler for IDE Performance Testing. To analyze the snapshots, you have several views at your disposal. 2 has been released with a new feature "Profiling Tools". Async Profiler ——一款非常精确的分析器，还可以收集本机调用和内存分配数据。 默认情况下，IntelliJ IDEA 会同时运行两个分析器，以提供最准确的结果。 虽然可以单独使用支持的 profiler，但开箱即用的组合配置是大多数情况下的更好选择。 Jun 20, 2024 · runtimeOnly ("com. Async Profiler ——一款非常精确的分析器，还可以收集本机调用和内存分配数据。 默认情况下，IntelliJ IDEA 会同时运行两个分析器，以提供最准确的结果。 虽然可以单独使用支持的 profiler，但开箱即用的组合配置是大多数情况下的更好选择。 Dec 2, 2021 · I am getting this error "Profiler error: There is no dump file" in the profiler tab while running Application with Windows Async Profiler. 0. Note: If you’re on Windows, use Java Flight Recorder for allocation profiling. available features: Async-profiler and its profiling Dec 4, 2023 · This includes improvements to async-profiler and its ecosystem, a website to view the different JFR event types, and improvements to the FirefoxProfiler, making it usable in the Java world. Andrei will show how async-profiler discovers subtle performance issues, native memory leaks, I/O problems, and other interesting pitfalls in a Java application. They all have their own area of application: CPU and memory live charts – allow you to monitor a process in real time. If you are new to profiling and want to start right away, check out the available tutorials. Oct 29, 2019 · Sounds like Wall-clock profiling is the way to go, however I don't know how to enable that in Intellij's CPU Profiler configuration window. The option enables async profile (that may take a while) and start profiling right away. deps', module='async-profiler', version='3. Open a project in IntelliJ on an ARM 64-bit processor. deps » async-profiler-windowsAsync Profiler Windows Jul 29, 2025 · Profiling can be instantaneous, like capturing a memory snapshot, or long-running. Is there a way to disable the automatic recording? May 14, 2025 · Plugin provides Async profiler for IDE Performance Testing. 0-242. The README says -e wall, while Intellij's Agent Options look totally different: threads,interval=1ms,framebuf=15000000. dll on my ARM-based system while using IntelliJ IDEA. JFR, which is an integral part of JVM, is a low-overhead profiler and fairly easy to use. For basic performance profiling I'll use the async stuff built in to IntelliJ, but mostly I still reach for JProfiler. Async Profiler 和 Java Flight Recorder 配置允许您单独运行这些工具并根据特定要求对其进行微调。 本主题介绍如何设置这些配置和环境。 创建单独的探查器配置 转到 设置 | 构建、执行、部署 | Java 探查器。 单击 “添加新配置” 并选择探查器。 Jul 17, 2024 · IntelliJ Profiler As you already know, IntelliJ IDEA has an integrated JVM profiler. with JFR and async-profiler. While running, the profiler will periodically record the threads’ state and collect data about memory allocation events. intellij. profiling your Java applications directly in IntelliJ. com. See full list on baeldung. Both tools have their advantages and disadvantages regarding their UI, but it essentially boils down to ease of use vs. Is there a way I can get the profiler to Jan 31, 2022 · Let’s run the application with IntelliJ Profiler attached. It combines the power of two popular Java profilers: JFR and Async profiler. Building the profiler was easy. This type of diagnostics gives you the resource consumption metrics over time and may be useful as a monitoring tool or, in the case of a performance problem, a starting point for further investigation. The new configuration Async Profiler combines the power of the CPU and Allocation profilers and works from the same places as they do. com/async-profiler/async-profile but not support Windows, but IntelliJ profile Async-profiler binaries published automatically from the latest sources in master upon a successful build. How to enable wall-clock profiling for Intellij Async Profiler? I'm trying to use async-profiler with maven, sadly it does not track forked processes and my tests need the isolation provided by forks to run correctly. showing flamegraphs, call trees and more. The Tasks tab of the Jun 26, 2025 · Plugin provides Async profiler for IDE Performance Testing. For this, go to the Profiler tool window and find the corresponding process there. atomic. There are two approaches to profiling a containerized Java application with a third-party profiler: from within the container Aug 5, 2019 · Latest Async Profiler can be downloaded from GitHub releases page or you can easily build the Async Profiler. 0 In this EAP, we’ve introduced support for Async Profiler 2. Enable profiling in the run configuration. By default only the async profiler can be selected in the profile tab. . I'm running the IntelliJ IDEA Community Edition 2021. I the tool window I can see this message: Profiler error: org. Jun 19, 2025 · Plugin provides Async profiler for IDE Performance Testing. But that’s not all – starting with version 2. Feb 8, 2023 · After dejectedly solving my problem like a caveman using printf debugging instead, I decided to have a closer look. 26927. 18034. import java. Async Profiler is also included in IntelliJ IDEA. Jan 31, 2023 · I wanted to use an open-source profiler, as I had no access to the paid version of IntelliJ, which includes profiling support. In this article, I will show you how to do the same with Async Profiler, an open-source profiler. 3. You can also open and explore. 1 EAP8: In-editor Javadocs Rendering and Split Terminal Sessions Jan 16, 2024 · 2. So that 1. This project is a low overhead sampling profiler for Java that does not suffer from Safepoint bias problem. The following sample junit methods should illustrate the issue: @RepeatedTest(10) void fa Profiler Single profiler configuration based on Async Profiler Ultimate The new profiler configuration, IntelliJ Profiler, has been implemented. 1. g. 3 (Ultimate Edition) Build #IU-251. I just exported JAVA_HOME and executed the make command. Oct 11, 2024 · For CPU and allocation profiling, IntelliJ IDEA provides integration with the following profilers: Java Flight Recorder – a standard profiling tool shipped as part of the JDK. Async Profiler – a very accurate profiler that can also collect native call and memory allocation data. 3, IntelliJ IDEA has integrated with async-profiler, a low-overhead, strong profiler for Java. An open-source profiler plugin for JDK 11+ based on JFR, async-profiler and Firefox Profiler. Safepoint란 GC 작업을 진행하면서 사용되지 않는 객체들을 식별하는데, 이때 애플리케이션이 안전한 지점으로 이동하여 GC를 Nov 20, 2024 · Use the following features to debug multithreaded and async applications: In the Threads & Variables tab of the Debug window, the left pane shows all threads of the application, and the next pane lists all stack frames of the selected thread: The Parallel Stacks tab of the Debug window simplifies threads analysis by showing threads and their stack frames as a diagram. Apr 25, 2022 · According to the async-profiler Github page, async-profiler comes bundled with IntelliJ IDEA Ultimate 2018. Apparently async-profiler could not do allocation tracing (on my openjdk 19 build without debug symbols) and therefore doesn't capture anything except a few marker symbols. com Async-profiler This project is a low overhead sampling profiler for Java that does not suffer from the Safepoint bias problem. Feb 3, 2023 · It will be nice not to fail in this case and make plugin usable but without async-profiler run configuration. Lines that took a significant amount of time to execute get grey labels, while the most resource consuming methods are marked with red labels with the fire icon. Switching the viewing mode in the Profiler tool window also changes the mode for the Mar 23, 2023 · IntelliJ Ultimate's profiler shows results as percentages of time. Run the project. Jan 3, 2022 · Keep in mind that besides the main application thread, JVM runs donzens of other threads, and async-profiler graph includes all of them by default. Also, the bug is fixed in JDK 17. async-profiler 是一个著名的、能够避免 Safepoint bias问题 的JVM profiling工具，如果你需要在现代JVM上进行profiling，Async Profiler几乎是绕不过去的不二之选，堪称神器。 Profiler默认是不开启的，需要在 Java Profiler 中手动开启。 Feb 10, 2021 · Register now and join us for the live stream of ‘A Simple Approach to Advanced JVM Profiling’. Using the IntelliJ integration of async-profiler on a Windows machine requires execution on a linux platform build of any (OpenJDK) JVM for profiling a Java application. Compatible with IntelliJ IDEA (Ultimate, Community), Android Studio and 17 more Overview Jun 9, 2021 · Profiler Support for Async profiler 2. 3 and later. Intellij idea provides integration with the following profilers: Async profiler is Jul 27, 2019 · IntelliJ IDEA 2019. Thus, I have no need for the profiler to start recording when my application starts. Using these metrics, you can determine ways to improve the performance of your system. Async Profiler Async Profiler IntelliJ Deps (89) Version Vulnerabilities Repository Usages Date Profiling tools are useful for exploring which methods are run most of the time. So maybe this is just a Linux issue? Any advice on how I can investigate what's happening? Jan 16, 2025 · Plugin provides Async profiler for IDE Performance Testing. You can launch applications with the profiler attached. Jun 26, 2022 · Instead, developers can use IntelliJ to simplify profiling. For the Community Edition, there is an open-source profiler plugin that allows you to profile Java applications with JFR and async-profiler as well as open JFR files obtained outside IDE. Async-Profiler 소개 및 사용 방법[ Async-Profiler란? ]async-profiler는 오픈소스 프로젝트로, Safepoint bias 문제를 겪지 않는 자바 전용 저오버헤드(low-overhead) 샘플링 프로파일러이다. It features HotSpot-specific APIs to collect stack traces and to track memory allocations. 0 using IntelliJ IDEA's built-in profili Home » org. By default, IntelliJ IDEA runs both profilers in parallel to provide the most accurate results. Unlike traditional Java profilers, async-profiler monitors non-Java threads (e. Feb 6, 2023 · 6. async-profiler 简介 async-profiler 是一款适用于所有基于 HotSpot JVM 的 JDK 的采样分析器。 它具备 低开销 的特点，且不依赖 JVMTI。 核心优势：它通过 HotSpot JVM 提供的 AsyncGetCallTrace API 来采集 Java 代码的调用栈，同时利用 Linux 的 perf_events 机制采集 native 代码路径。 Nov 14, 2024 · IntelliJ Profiler uses Async Profiler under the hood and is a part of IntelliJ IDEA Ultimate. InvalidJfrFileException: No readable chunks in recording Some details about my IDE: IntelliJ IDEA 2025. IntelliJ can not open the resulting jfr file, your server crashed in jdk JFR reading code while converting Find the best How To Enable Time Based Profiling For Intellij Async Profiler, Find your favorite catalogs from the brands you love at fresh-catalog. 2 (Ultimate), yet I don't see any of the options shown on the change log page. We will look into two approaches to profiling the containerized application: continuously from the application start and an arbitrary point of time. I was hoping I could right-click and there would be an option to "show as milliseconds". Jun 22, 2023 · 之前笔者一直使用 JProfiler 来分析性能问题，最近发现 IDEA Ultimate 自带的 Profiler 非常好用，再也不需要安装 JProfiler 了。 另外 IDEA Profiler 也要比 免费的 Java JFR Profiler 插件 更加好用，上 Apr 13, 2023 · One of the most commonly used profilers is async-profiler, not the least because it's embedded into many other tools like the IntelliJ Ultimate Profiler and AppIication Performance Monitors. async-profiler can trace the following kinds of events: CPU cycles Hardware and Software performance Oct 11, 2024 · For CPU and allocation profiling, IntelliJ IDEA provides integration with the following profilers: Java Flight Recorder – a standard profiling tool shipped as part of the JDK. On windows and macos, the profiler works out of. May 11, 2024 · IntelliJ Profiler is a simple, yet powerful tool for CPU and memory allocations profiling. Apr 4, 2019 · The profiler is still working in OS X with Intelilj 2019. Dec 13, 2023 · IntelliJ IDEA provides integration with the following profilers: Java Flight Recorder – the standard profiling tool shipped as part of the JDK. util. Since I like to work with the latest changes, I built the Async Profiler from the source. Jul 29, 2025 · For CPU and allocation profiling, IntelliJ IDEA provides integration with the following profilers: Java Flight Recorder – a standard profiling tool shipped as part of the JDK. This plugin supports. ydvy muncnga bwvcuaps nrifi kkvm cxwfjx vcoavh zqbtq gmgxxa mijield sbpv erkuvr nqau sbx gvelvqb