NonStop Server for Java 4.2 Programmer's Reference

Using the HPROF Profiler Agent
You can use the HPROF Profiler Agent for profiling your application. In the NonStop Open System Services
(OSS) environment, HPROF is statically linked. HPROF writes out profiling information either to a file or to a
socket in ASCII or binary format. By using HPROF, you can get information about your application's CPU
usage, heap allocation, and threads.
Topics are
Overview of the HPROF Java Profiler●
Running the HPROF●
HPROF Output File●
NonStop Server for Java 4 Implementation-Specific Options●
Tips●
Profiling Techniques●
Overview the HPROF Java Profiler
The main profiling options you use for NonStop Server for Java 4 programs are:
Option Description
CPU sampling
Specifies time-linear snapshots of the NonStop Server
for Java 4 execution stack.
CPU times
Instrumentation: track-method entry and track-method
exit times.