8385815: [CRaC] Fix aarch64 failing testcases

[jankratochvil]

test/jdk/jdk/crac/CPUFeatures/SimpleCPUFeaturesTest.java
test/jdk/jdk/crac/engine/CheckCPUFeaturesTest.java

It needs some updates for the new CPU Features support.

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Progress

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Issue

• JDK-8385815: [CRaC] Fix aarch64 failing testcases (Bug - P4)

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[bridgekeeper]

👋 Welcome back jkratochvil! A progress list of the required criteria for merging this PR into crac will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@jankratochvil This change is no longer ready for integration - check the PR body for details.

[mlbridge]

Webrevs

• 05: Full - Incremental (e485a964)
• 04: Full - Incremental (3fee099a)
• 03: Full - Incremental (2d75c5d4)
• 02: Full - Incremental (dd9a56c3)
• 01: Full - Incremental (6c349cde)
• 00: Full (104cdff9)

[jankratochvil]

The failed CI is a false positive:

• jdk/crac/ContainerOOMETest

[jankratochvil]

With upstream CRIU it somehow does not work now:

+ bin/java -XX:CRaCCheckpointTo=cr -XX:+ShowCPUFeatures -XX:CRaCEngine=criuengine -XX:CPUFeatures=0x21461805ddfbf7,0xfcc0000000000000 CPUFeaturesAWS
This machine's CPU features are: -XX:CPUFeatures=0xe14e1b9dfdfbff,0xfcc0000000000000
CPU features being used are: -XX:CPUFeatures=0x21461805ddfbf7,0xfcc0000000000000
Original environment variable: GLIBC_TUNABLES=glibc.pthread.rseq=0
Re-exec of java with new environment variable: GLIBC_TUNABLES=glibc.pthread.rseq=0:glibc.cpu.hwcaps=,-ERMS,-AVX512F,-AVX512CD,-AVX512BW,-AVX512DQ,-AVX512VL
This machine's CPU features are: -XX:CPUFeatures=0xe14e1b9dfdfbff,0xfcc0000000000000
CPU features being used are: -XX:CPUFeatures=0x21461805ddfbf7,0xfcc0000000000000
CPUFeaturesCheck 0
CPUFeaturesCheck 1
+ set +e
+ bin/jcmd CPUFeaturesAWS JDK.checkpoint
CPUFeaturesCheck 2
CPUFeaturesCheck 3
CPUFeaturesCheck 4
CPUFeaturesCheck 5
CPUFeaturesCheck 6
CPUFeaturesCheck 7
Could not find any processes matching : 'CPUFeaturesAWS'
+ wait 2084
CPUFeaturesCheck 8
CPUFeaturesCheck 9
...
CPUFeaturesCheck 367
CPUFeaturesCheck 368
CPUFeaturesCheck 369
...

[TimPushkin]

Would it be possible to have two versions: with and without an explicit ID to minimize the difference with the mainline? Currently CPU-features is already the most frequently conflicting part when merging with the mainline...