[jdk8u-dev] RFR: 8307531: [aarch64] JDK8 single-step debugging is extremely slow

[Andrew Haley]

On Fri, 5 May 2023 15:14:15 GMT, Sergey Nazarkin <snazarki at openjdk.org> wrote:

> This fix removes a workaround from the early days of aarch64 port development.  Not sure what the original reason was (@theRealAph could you please check?), now it literally blocks debugging on linux_aarch64. 
> 
> On the test (attached to jira) single step takes about 30s, while the debugerless run completes in 3s. jdk11+ is free of this bug.

Sure, I guess so.

I seem to remember that the _cur_stack_depth was often wrong, so much as to make it unusable, but I don't know what the current situation is.

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Marked as reviewed by aph (Lead).

PR Review: https://git.openjdk.org/jdk8u-dev/pull/313#pullrequestreview-1415131375