-XX:[+|-]HitachiVerboseGCCpuTime (Option to output the CPU usage time of the extended verbosegc information)

Format

-XX:+HitachiVerboseGCCpuTime
This option outputs the processor time that the garbage collection executing thread has consumed in the user mode and kernel mode from the start to the end of the garbage collection in the extended verbosegc information.
-XX:-HitachiVerboseGCCpuTime
This option does not output the processor time that the garbage collection executing thread has consumed in the user mode and the kernel mode from the start to the end of the garbage collection in the extended verbosegc information.

Description

Specify whether to output the CPU usage time in the extended verbosegc information.

You cannot use this functionality in HP-UX. Even if you specify this option, it will be ignored.

Default value
  • -XX:+HitachiVerboseGCCpuTime
Prerequisite options
  • -XX:+HitachiVerboseGC

Examples of output

[VGC]<Wed Mar 17 00:42:30 2004>(Skip Full:0,Copy:0)[Full GC 149K->149K(1984K), 0.0786038​ secs][DefNew::Eden: 264K->0K(512K)][DefNew::Survivor: 0K->63K(64K)][Tenured: 85K->149K(1408K)][Perm: 1300K->1300K(1536K)][User:0.0156250​ secs][Sys: 0.0312500​ secs]