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8325496: Make TrimNativeHeapInterval a product switch

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Reviewed-by: dholmes, mbaesken
This commit is contained in:
Thomas Stuefe 2024-02-21 04:39:09 +00:00
parent 27003b53bb
commit d31fd78d96
4 changed files with 24 additions and 13 deletions
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13
src/java.base/share/man/java.1
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@ -1,4 +1,4 @@
.\" Copyright (c) 1994, 2023, Oracle and/or its affiliates. All rights reserved.
.\" Copyright (c) 1994, 2024, Oracle and/or its affiliates. All rights reserved.
.\" DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
.\"
.\" This code is free software; you can redistribute it and/or modify it
@ -1482,6 +1482,17 @@ usage by individual \f[V]CallSite\f[R], individual virtual memory region
and its committed regions.
.RE
.TP
\f[V]-XX:TrimNativeHeapInterval=\f[R]\f[I]millis\f[R]
Interval, in ms, at which the JVM will trim the native heap.
Lower values will reclaim memory more eagerly at the cost of higher
overhead.
A value of 0 (default) disables native heap trimming.
Native heap trimming is performed in a dedicated thread.
.RS
.PP
This option is only supported on Linux with GNU C Library (glibc).
.RE
.TP
\f[V]-XX:+NeverActAsServerClassMachine\f[R]
Enable the \[dq]Client VM emulation\[dq] mode which only uses the C1 JIT
compiler, a 32Mb CodeCache and the Serial GC.