CPU profiling: Sampling and instrumentation
In this screencast, I explain the two modes of CPU profiling, sampling and instrumentation and how they are activated in the JProfiler GUI. Choosing and understanding these modes is important for getting good results.
アーカイブ
11月/1
9月/3
2025/20
HotSpotの反撃:JEP 544はGraalVMの起動時間独占を終わらせるのか?SBOMの義務化まであと15か月。あなたのSBOMはおそらく正しくない。Apache Fory JSON を 4.5 倍高速化した方法
8月/3
Java vs. Kotlin: どちらが(デ)シリアライズをより高速に行えるのか?なぜApache Foryはこれほど高速なのか? 5つのJavaシリアライズフレームワークをプロファイリングjvmguard 登場:本番環境での自動プロファイリング
7月/2
4月/3
JProfiler MCPでjclasslibのパフォーマンスを2倍にした方法Claudeがコードを読むだけでは決して見つけられなかったホットスポットJProfiler 16.1: AIエージェントがJavaアプリケーションをプロファイリングできるようになりました
3月/2
2月/1
10月/1
8月/1
7月/2
2024/5
2023/7
The power of async tracking in JVM profilingWebsite refresh: Visual updates, dark mode, and semantic search for docs
6月/4
All our artifacts are now published on Maven CentralJEP 493 follow-up: install4j 11.0.4 is ready for separate JMOD bundles in Eclipse Temurin 24.0.2JProfiler tips roundup May 2025JVM performance watch roundup May 2025
5月/3
JProfiler tips roundup April 2025JVM performance watch roundup April 2025Heap Walker scripting for snapshot analysis
4月/8
Capturing and comparing MBean states with JProfilerAdvanced SSH remote profiling with JProfilerProfiling Java applications in VS Code with JProfilerAdvanced Kafka probe configuration in JProfilerProfiling Kafka #1 – Message Flow & Hot SpotsBringing JProfiler to VS Code with Kotlin Multi-PlatformCaching auto-provisioned install4j distributions in CI pipelinesCross-platform JRE bundle creation under threat from JEP 493
1月/1
9月/5
2022/10
Garbage collector analysis in JProfilerRecording JFR snapshots with JProfilerEnhanced JFR snapshot analysis with JProfilerWorking with probe events in JProfilerCustomizing telemetries in JProfiler
3月/1
1月/1
12月/2
11月/3
2021/2
2020/1
2019/1
2018/3
2017/5
2016/1
2015/10
Using sunburst diagrams for understanding Java memory consumptionUsing flame graphs when profiling Java applicationsProfiling a Netty server
10月/1
9月/1
8月/2
7月/1
11月/5
2014/3
2013/3
2012/5
2011/13
Analyzing specific parts of the call treeAnalyzing incoming and outgoing calls of a methodCollapsing recursions in the call treeRemote profiling through an SSH tunnelFinding JDBC connection leaks
6月/5
12月/1
10月/2
9月/5
2010/8
2009/14
Using the "Run interceptor script" trigger actionCreating a custom probeInspections in the heap walkerHeap walker graph: Finding paths between selected instancesFiltering in the reference view of the heap walker
8月/4
Request trackingAnalyzing long-running AWT events with JProfilerProbes overviewCPU profiling: Sampling and instrumentation
2月/1