On Mon, 17 Jan 2022 09:31:54 GMT, Yi Yang <yy...@openjdk.org> wrote:
> Add VM.classes to print details of all classes, output looks like:
>
> 1. jcmd VM.classes
>
> KlassAddr Size State Flags LoaderName ClassName
> 0x0000000800c0b400 62 inited W bootstrap
> java.lang.invoke.LambdaForm$MH/0x0000000800c0b400
> 0x0000000800c0b000 62 inited W bootstrap
> java.lang.invoke.LambdaForm$DMH/0x0000000800c0b000
> 0x0000000800c0ac00 62 inited W bootstrap
> java.lang.invoke.LambdaForm$MH/0x0000000800c0ac00
> ...
>
> 2. jcmd VM.classes verbose
>
> KlassAddr Size State Flags LoaderName ClassName
> 0x0000000800c0b400 62 inited W bootstrap
> java.lang.invoke.LambdaForm$MH/0x0000000800c0b400
> java.lang.invoke.LambdaForm$MH/0x0000000800c0b400 {0x0000000800c0b400}
> - instance size: 2
> - klass size: 62
> - access: final synchronized
> - state: inited
> - name: 'java/lang/invoke/LambdaForm$MH+0x0000000800c0b400'
> - super: 'java/lang/Object'
> - sub:
> - arrays: NULL
> - methods: Array<T>(0x00007f620841f210)
> - method ordering: Array<T>(0x0000000800a7e5a8)
> - default_methods: Array<T>(0x0000000000000000)
> - local interfaces: Array<T>(0x00000008005af748)
> - trans. interfaces: Array<T>(0x00000008005af748)
> - constants: constant pool [41] {0x00007f620841f030} for
> 'java/lang/invoke/LambdaForm$MH+0x0000000800c0b400' cache=0x00007f620841f380
> - class loader data: loader data: 0x00007f61c804a690 of 'bootstrap' has a
> class holder
> - source file: 'LambdaForm$MH'
> - class annotations: Array<T>(0x0000000000000000)
> - class type annotations: Array<T>(0x0000000000000000)
> - field annotations: Array<T>(0x0000000000000000)
> - field type annotations: Array<T>(0x0000000000000000)
> - inner classes: Array<T>(0x00000008005af6d8)
> - nest members: Array<T>(0x00000008005af6d8)
> - permitted subclasses: Array<T>(0x00000008005af6d8)
> - java mirror: a 'java/lang/Class'{0x000000011f4b3968} =
> 'java/lang/invoke/LambdaForm$MH+0x0000000800c0b400'
> - vtable length 5 (start addr: 0x0000000800c0b5b8)
> - itable length 2 (start addr: 0x0000000800c0b5e0)
> - ---- static fields (1 words):
> - static final '_D_0' 'Ljava/lang/invoke/LambdaForm;' @112
> - ---- non-static fields (0 words):
> - non-static oop maps:
> 0x0000000800c0b000 62 inited W bootstrap
> java.lang.invoke.LambdaForm$DMH/0x0000000800c0b000
> java.lang.invoke.LambdaForm$DMH/0x0000000800c0b000 {0x0000000800c0b000}
> - instance size: 2
> - klass size: 62
> - access: final synchronized
> - state: inited
> - name: 'java/lang/invoke/LambdaForm$DMH+0x0000000800c0b000'
> - super: 'java/lang/Object'
> - sub:
> - arrays: NULL
> - methods: Array<T>(0x00007f620841ea68)
> - method ordering: Array<T>(0x0000000800a7e5a8)
> - default_methods: Array<T>(0x0000000000000000)
> - local interfaces: Array<T>(0x00000008005af748)
> - trans. interfaces: Array<T>(0x00000008005af748)
> - constants: constant pool [49] {0x00007f620841e838} for
> 'java/lang/invoke/LambdaForm$DMH+0x0000000800c0b000' cache=0x00007f620841ebe0
> - class loader data: loader data: 0x00007f61c804a750 of 'bootstrap' has a
> class holder
> - source file: 'LambdaForm$DMH'
> - class annotations: Array<T>(0x0000000000000000)
> - class type annotations: Array<T>(0x0000000000000000)
> - field annotations: Array<T>(0x0000000000000000)
> - field type annotations: Array<T>(0x0000000000000000)
> - inner classes: Array<T>(0x00000008005af6d8)
> - nest members: Array<T>(0x00000008005af6d8)
> - permitted subclasses: Array<T>(0x00000008005af6d8)
> - java mirror: a 'java/lang/Class'{0x000000011f4b0968} =
> 'java/lang/invoke/LambdaForm$DMH+0x0000000800c0b000'
> - vtable length 5 (start addr: 0x0000000800c0b1b8)
> - itable length 2 (start addr: 0x0000000800c0b1e0)
> - ---- static fields (1 words):
> - static final '_D_0' 'Ljava/lang/invoke/LambdaForm;' @112
> - ---- non-static fields (0 words):
> ...
This pull request has now been integrated.
Changeset: 3f0684d0
Author: Yi Yang <yy...@openjdk.org>
URL:
https://git.openjdk.java.net/jdk/commit/3f0684d0b85662724af845a4ee6b97d9c5ceacbd
Stats: 172 lines in 6 files changed: 171 ins; 0 del; 1 mod
8275775: Add jcmd VM.classes to print details of all classes
Reviewed-by: dholmes, iklam, stuefe
-------------
PR: https://git.openjdk.java.net/jdk/pull/7105
