RFR: 8317453: NMT: Performance benchmarks are needed to measure speed and memory [v7]

[David Holmes]

On Wed, 22 Jan 2025 15:43:20 GMT, Gerard Ziemski <gziemski at openjdk.org> wrote:

>> We do have some terminal flags like `-version` and `-Xshare:dump`, but generally the VM does not have magic flags that behave that way. I still don't have a clear picture of the different phases involved with this work. We have a recording phase. Then we have the benchmarking phase that does something (I can't figure out what) with the recording. Then we have the Java tool which does ... what?
>> 
>> In any case I have concerns about how the "benchmarking" is initiated.
>
> The problem is I want to record every os::malloc(), so I need locks way before they are initialized in the VM.

I think the above comment ended up in the wrong discussion.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/23115#discussion_r1926294903