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Bug 255633

Summary:	CPU time decreases during profiling
Product:	profiler	Reporter:	Jiri Sedlacek <jis>
Component:	Engine	Assignee:	Tomas Hurka <thurka>
Status:	NEW ---
Severity:	normal
Priority:	P2
Version:	8.1
Hardware:	PC
OS:	Windows 7
Issue Type:	DEFECT	Exception Reporter:

Description Jiri Sedlacek 2015-09-30 14:16:28 UTC

Steps:

 0/ Windows 7, JDK 7/8 64bit
 1/ Profile Java2Demo, Selected methods, EventQueue.getNextEvent(), 5 outgoing calls, include Java core classes
 2/ The Total Time (CPU) value decreases over time, eventually reaching 0

Comment 1 Jiri Sedlacek 2015-09-30 14:30:40 UTC

Partial fix: http://hg.netbeans.org/profiler-main/rev/38ee1275da6a - make sure all negative execution times are treated as zero times.

Comment 2 Quality Engineering 2015-10-08 01:23:57 UTC

Integrated into 'main-silver', will be available in build *201510080002* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)

Changeset: http://hg.netbeans.org/main-silver/rev/38ee1275da6a
User: Jiri Sedlacek <jis@netbeans.org>
Log: Partial fix for #255633 - make sure all negative execution times are treated as zero times

Comment 3 Jiri Sedlacek 2015-10-12 12:09:30 UTC

Not for 8.1, not easily reproducible - only happens on some Windows systems for some root methods (short running, frequently called).