[riscv-port] Integrated: 8278890: riscv: Missing features string in VM_Version

[Yadong Wang]

On Mon, 20 Dec 2021 09:30:58 GMT, Yadong Wang <yadongwang at openjdk.org> wrote:

> The features_string of VM_Version is supposed to be "sifive,u74-mc,rv64imafdc" for the unmatched board, which is made up of "uarch" and "isa" in /proc/cpuinfo.
> In contrast, it's "family 6 model 79 stepping 1 microcode 0xb000036, cx8, cmov, fxsr, ht, mmx, 3dnowpref, sse, sse2, sse3, ssse3, sse4.1, sse4.2, popcnt, lzcnt, tsc, tscinvbit, avx, avx2, aes, erms, clmul, bmi1, bmi2, rtm, adx, fma, vzeroupper, clflush" in a x86 platform, and "0x41:0x0:0xd08:2, fp, simd, evtstrm, aes, pmull, sha1, sha256, crc" in aarch64.
> After this PR, the following output is displayed when you run this test case `test/jdk/jdk/jfr/event/os/TestCPUInformation.java` on some common riscv platforms:
> 1. unmatched:
> 
> Event: jdk.CPUInformation {
>   startTime = 15:54:00.844 (2021-12-20)
>   cpu = "RISCV64"
>   description = "RISCV64 sifive,u74-mc,rv64imafdc"
>   sockets = 4
>   cores = 4
>   hwThreads = 4
> }
> 
> 2. D1:
> 
> Event: jdk.CPUInformation {
>   startTime = 17:04:39.520 (2021-12-20)
>   cpu = "RISCV64"
>   description = "RISCV64 rv64imafdcv"
>   sockets = 1
>   cores = 1
>   hwThreads = 1
> }
> 
> 
> Hotspot and jdk tier1 passed on the unmatched, and all jtreg tests were tested on Qemu without new failures.

This pull request has now been integrated.

Changeset: 9086f8c9
Author:    Yadong Wang <yadongwang at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
URL:       https://git.openjdk.java.net/riscv-port/commit/9086f8c91c9b6508975c655fa61cedec642e6842
Stats:     49 lines in 3 files changed: 29 ins; 6 del; 14 mod

8278890: riscv: Missing features string in VM_Version

Reviewed-by: fyang

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

PR: https://git.openjdk.java.net/riscv-port/pull/35