Java Profiler

Fully featured low overhead profiler for Java EE and Java SE platforms.

.NET Profiler

Easy-to-use performance and memory .NET profiler for Windows, Linux and macOS.

Connection Broker

Secure and easy profiling in cloud, containers and clustered environments.

YouMonitor

Performance monitoring and profiling of Jenkins, Bamboo, TeamCity, Gradle, Maven, Ant and JUnit.

YourKit Java Profiler help

5.1 IDE integration

5.1.1 Eclipse

5.2 Java server integration wizard

5.2.1 UI integration wizard
5.2.2 Console integration wizard

5.3 Attach profiler to a running application

5.3.1 Attaching from profiler UI
5.3.2 Console attach wizard

5.4 Remote profiling

5.5 Docker

5.6 Enabling profiling manually
5.7 Startup options
5.8 Connect to profiled application
5.9 Profiling troubleshooting
5.10 Profiling overhead: how to reduce or avoid

6 Solving performance problems

6.3.1 GC roots

6.4 Excessive garbage allocation
6.5 Out of memory error (OutOfMemoryError and -XX:+HeapDumpOnOutOfMemoryError)

7 CPU profiling

7.7 What-if: an ability to ignore particular methods or focus on particular methods only
7.8 Comparing performance snapshots
7.9 Sampling settings
7.10 Tracing settings

10.5.1 Objects view

10.5.1.1 Class list
10.5.1.2 Class and package
10.5.1.3 Class loaders
10.5.1.4 Web applications
10.5.1.5 Object generations
10.5.1.6 Reachability scopes
10.5.1.7 Shallow size
10.5.1.8 Object explorer
10.5.1.9 Biggest objects (dominators)
10.5.1.10 Allocations
10.5.1.11 Object ages
10.5.1.12 Merged paths
10.5.1.13 Class hierarchy

10.5.2 Method merged callees view
10.5.3 Method back traces view
10.5.4 Quick info view
10.5.5 GC roots view
10.5.6 Leak detection: working with paths

10.6 Memory inspections
10.7 Comparing memory snapshots
10.8 Support of HPROF format snapshots
10.9 Support of Java Flight Recorder (JFR)
10.10 Support of Portable Heap Dumps (.phd)
10.11 Values of primitive types
10.12 Persistent object IDs
10.13 Useful actions
10.14 Set description language

11 Garbage collection
12 Monitor profiling
13 Exception profiling
14 Performance charts
15 Probes: monitor events of various kinds

15.1 Events in user interface

15.1.1 Event Table

15.1.1.1 Profiler events in table 'Messages'

15.2 Event inspections
15.3 Built-in probes

15.3.1 com.yourkit.probes.builtin.Threads
15.3.2 Class loading probe
15.3.3 com.yourkit.probes.builtin.AwtEvents

15.4 Probe classes

15.4.1 Compiling probe classes
15.4.2 Probe registration, activity modes
15.4.3 Probe unregistration

15.5 Monitoring method invocation events

15.5.1 Probe class annotation @MethodPattern
15.5.2 Callback onEnter()
15.5.3 Callback onReturn()
15.5.4 Callback onExit()
15.5.5 Callbacks onUncaughtException() and onUncaughtExceptionExt()
15.5.6 Parameter annotation @Param
15.5.7 Parameter annotation @Params
15.5.8 Parameter annotation @This
15.5.9 Parameter annotation @ClassRef
15.5.10 Parameter annotation @MethodName
15.5.11 Parameter annotation @MethodTimeMs
15.5.12 Parameter annotation @MethodTimeNs
15.5.13 Parameter annotation @MethodParameterTypes
15.5.14 Parameter annotation @MethodSignature
15.5.15 Parameter annotation @OnEnterResult
15.5.16 Parameter annotation @ReturnValue
15.5.17 Parameter annotation @ThrownException
15.5.18 Probe application rules

15.6 Data storage

16 Inspections: automatic recognition of typical problems
17 Automatically trigger actions on event

18 Summary, snapshot annotation, automatic deobfuscation
19 Time measurement (CPU time, wall time)
20 Filters
21 Snapshot directory customization
22 Export of profiling results to external formats
23 Profiler Java API
24 Profiler HTTP API
25 Command line tool to control profiling
26 Settings

26.1 Proxy

27 FAQ: How to profile in my scenario?

27.1 Profiling in Amazon EC2 instance

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