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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Issue

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

Reviewers

• Timofei Pushkin (@TimPushkin - Committer)

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8385815: [CRaC] Fix aarch64 failing testcases

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[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
...

[jankratochvil]

Known false positive failures:

• jdk/crac/SecureRandom/InterlockTest
• windows-x64 / build

[jankratochvil]

CPUFeaturesAWS.sh has been tested on x86_64 and aarch64.