How to get reference processing logging?
thomas.schatzl at oracle.com
Wed Dec 7 11:15:12 UTC 2016
On Wed, 2016-12-07 at 11:08 +0000, Andrew Haley wrote:
> I've tried "-Xlog:gc::ref" and "-Xlog:gc=ref" but neither works.
> I want to see this output:
> log_debug(gc, ref)("Ref Counts: Soft: " SIZE_FORMAT " Weak: "
> SIZE_FORMAT " Final: " SIZE_FORMAT " Phantom: " SIZE_FORMAT,
> stats.soft_count(), stats.weak_count(),
> stats.final_count(), stats.phantom_count());
> log_develop_trace(gc, ref)("JNI Weak Reference count: "
> SIZE_FORMAT, count_jni_refs());
> I tried -Xlog:help and searc hed on the web for information about the
> -Xlog syntax, but no luck.
-Xlog:help gives a pretty comprehensive output with BNF syntax
description here. It also includes a lot of examples.
Particularly the sentence below the BNF string gives an explanation of
"what" should be.
Maybe you have some suggestions to improve the text?
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