On Tue, 1 Apr 2025 21:23:01 GMT, Alex Menkov <amen...@openjdk.org> wrote:
> `outputStream` implementations should call `update_position` from `write` to
> correctly handle indentation.
> The fix adds the call to `attachStream::write`
>
> testing: sanity tier1;
> in progress: tier2..4,hs-tier5-svc
Example of output with and without streaming output:
$ JAVA_TOOL_OPTIONS=-Djdk.attach.allowStreamingOutput=true jcmd 31544
VM.native_memory
Picked up JAVA_TOOL_OPTIONS: -Djdk.attach.allowStreamingOutput=true
31544:
Native Memory Tracking:
(Omitting categories weighting less than 1KB)
Total: reserved=9953148KB, committed=407888KB
malloc: 57776KB #293244, peak=75433KB #212390
mmap: reserved=9895372KB, committed=350112KB
- Java Heap (reserved=8298496KB, committed=270336KB)
(mmap: reserved=8298496KB, committed=270336KB,
peak=520192KB)
- Class (reserved=1048938KB, committed=2922KB)
(classes #3716)
( instance classes #3406, array classes #310)
(malloc=362KB #7060
) (peak=364KB #7068)
(mmap: reserved=1048576KB, committed=2560KB,
at peak)
( Metadata: )
( reserved=65536KB,
committed=24384KB )
( used=24223KB)
( waste=161KB =0.66%)
( Class space:)
(
reserved=1048576KB, committed=2560KB )
( used=2423KB)
( waste=137KB =5.36%)
$ jcmd 31544 VM.native_memory
31544:
Native Memory Tracking:
(Omitting categories weighting less than 1KB)
Total: reserved=9953152KB, committed=407892KB
malloc: 57780KB #293282, peak=75433KB #212390
mmap: reserved=9895372KB, committed=350112KB
- Java Heap (reserved=8298496KB, committed=270336KB)
(mmap: reserved=8298496KB, committed=270336KB,
peak=520192KB)
- Class (reserved=1048938KB, committed=2922KB)
(classes #3716)
( instance classes #3406, array classes #310)
(malloc=362KB #7060) (peak=364KB #7068)
(mmap: reserved=1048576KB, committed=2560KB, at
peak)
( Metadata: )
( reserved=65536KB, committed=24384KB)
( used=24223KB)
( waste=161KB =0.66%)
( Class space:)
( reserved=1048576KB, committed=2560KB)
( used=2423KB)
( waste=137KB =5.36%)
-------------
PR Comment: https://git.openjdk.org/jdk/pull/24368#issuecomment-2770724520
