[jdk11u-dev] Integrated: 8298129: Let checkpoint event sizes grow beyond u4 limit

[Ekaterina Vergizova]

On Mon, 6 Feb 2023 18:05:36 GMT, Ekaterina Vergizova <evergizova at openjdk.org> wrote:

> I'd like to backport JDK-8298129 to 11u.
> It fixes corrupted jfr dumps that can be generated for applications with a large stack trace pool or string pool. Such dumps can not be read by jfr tool or JMC.
> 
> 17u patch doesn't apply cleanly, minor modifications required:
> - jfrCheckpointManager.cpp: is_flushpoint and flushpoint_offset were replaced by checkpoint_type and checkpoint_type_offset by JDK-8226511 that is not backported to 11u. Adapted the changes for flushpoint. Additionally nullptr was replaced with NULL since JDK-8246032 is not backported to 11u
> - jfrEncoders.hpp, jfrWriterHost.hpp, jfrWriterHost.inline.hpp: copyright years, minor context difference due to #endif comment, reapplied manually
> - ChunkParser.java: minor context difference for the second hunk since JDK-8226511 is not backported to 11u, reapplied manually
> 
> Tested with tier1 and jdk/jfr tests.

This pull request has now been integrated.

Changeset: 816e53ba
Author:    Ekaterina Vergizova <evergizova at openjdk.org>
URL:       https://git.openjdk.org/jdk11u-dev/commit/816e53bad5771d29db941bba830476a5a16cbc1f
Stats:     114 lines in 6 files changed: 80 ins; 12 del; 22 mod

8298129: Let checkpoint event sizes grow beyond u4 limit

Reviewed-by: phh
Backport-of: ea108f504ccb63fc9651e804e3bbba1c108dcead

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PR: https://git.openjdk.org/jdk11u-dev/pull/1708