s[EDX] == 0x0);
> >>>> }
> >>>> ```
> >>>>
> >>>> Also startup performance is better than WMI call.
> >>>>
> >>>> TotalMilliseconds : 66.7863
> >>>> TotalMilliseconds : 56.8123
> >>>
ional%20Specification%20v6.0b.pdf
Best regards, Matthias
-Original Message-
From: Yasumasa Suenaga
Sent: Donnerstag, 13. August 2020 06:15
To: David Holmes ; Baesken, Matthias
; [email protected];
[email protected]
Cc: Doerr, Martin
Subject: Re: PING: RFR
August 2020 06:15
To: David Holmes ; Baesken, Matthias
; [email protected];
[email protected]
Cc: Doerr, Martin
Subject: Re: PING: RFR: 8250598: Hyper-V is detected in spite of
running on host OS
On 2020/08/13 11:54, David Holmes wrote:
On 13/08/2020 11:12 am, Ya
Matthias
-Original Message-
From: Yasumasa Suenaga
Sent: Donnerstag, 13. August 2020 06:15
To: David Holmes ; Baesken, Matthias
; [email protected];
[email protected]
Cc: Doerr, Martin
Subject: Re: PING: RFR: 8250598: Hyper-V is detected in spite of runnin
masa Suenaga
Sent: Donnerstag, 13. August 2020 06:15
To: David Holmes ; Baesken, Matthias
; [email protected];
[email protected]
Cc: Doerr, Martin
Subject: Re: PING: RFR: 8250598: Hyper-V is detected in spite of
running on host OS
On 2020/08/13 11:54, David Hol
RFR: 8250598: Hyper-V is detected in spite of running on
host OS
On 2020/08/13 11:54, David Holmes wrote:
On 13/08/2020 11:12 am, Yasumasa Suenaga wrote:
Hi Matthias, David,
I measured startup benchmarks with `Measure-Command
{.\jdk\build\windows-x86_64-server-release\images\jdk\bin\java.exe --
.
Best regards, Matthias
-Original Message-
From: Yasumasa Suenaga
Sent: Donnerstag, 13. August 2020 06:15
To: David Holmes ; Baesken, Matthias
; [email protected];
[email protected]
Cc: Doerr, Martin
Subject: Re: PING: RFR: 8250598: Hyper-V is de
On 13/08/2020 2:15 pm, Yasumasa Suenaga wrote:
On 2020/08/13 11:54, David Holmes wrote:
On 13/08/2020 11:12 am, Yasumasa Suenaga wrote:
Hi Matthias, David,
I measured startup benchmarks with `Measure-Command
{.\jdk\build\windows-x86_64-server-release\images\jdk\bin\java.exe
--version}` on Po
On 2020/08/13 11:54, David Holmes wrote:
On 13/08/2020 11:12 am, Yasumasa Suenaga wrote:
Hi Matthias, David,
I measured startup benchmarks with `Measure-Command
{.\jdk\build\windows-x86_64-server-release\images\jdk\bin\java.exe --version}`
on PowerShell.
* PC: Ryzen 3 3300X, 16GB memory
* OS
On 13/08/2020 11:12 am, Yasumasa Suenaga wrote:
Hi Matthias, David,
I measured startup benchmarks with `Measure-Command
{.\jdk\build\windows-x86_64-server-release\images\jdk\bin\java.exe
--version}` on PowerShell.
* PC: Ryzen 3 3300X, 16GB memory
* OS: Windows 10 x64 (May 2020 Update)
* Java
Hi Matthias, David,
I measured startup benchmarks with `Measure-Command
{.\jdk\build\windows-x86_64-server-release\images\jdk\bin\java.exe --version}`
on PowerShell.
* PC: Ryzen 3 3300X, 16GB memory
* OS: Windows 10 x64 (May 2020 Update)
* Java: jdk/jdk revision 60537
(Compiled by VS 2019
>I understand that if the process runs on Xen on other hypervisor (e.g. KVM),
>information for Xen would be set between 0x4100 and 0x4001.
>Ok, I will not remove the loop in new webrev, and will add comment about it.
Hi Yasumasa , thanks !
Regarding the WMI overhead , if you could get
> And on Windows, there's a __cpuid intrinsic available. (I have never tried
> it.)
Hi Martin, we use this intrinsic in "our" JVM so yes it works .
> Nevertheless, I appreciate improvements in virtualization detection.
> Sometimes, problems or crashes are related to the virtualization layer,
> -Original Message-
> From: David Holmes
> Sent: Mittwoch, 12. August 2020 15:05
> To: Yasumasa Suenaga ; Baesken, Matthias
> ; [email protected];
> [email protected]
> Cc: Doerr, Martin
> Subject: Re: PING: RFR: 8250598: Hyper-V is dete
Hi Yasumasa,
On 12/08/2020 10:56 pm, Yasumasa Suenaga wrote:
Hi Matthias, David,
On 2020/08/12 21:12, David Holmes wrote:
On 12/08/2020 8:51 pm, Baesken, Matthias wrote:
Hi Yasumasa , I'm more or less fine with the change .
But still not fully convinced that removing the iteration is a goo
Hi Matthias, David,
On 2020/08/12 21:12, David Holmes wrote:
On 12/08/2020 8:51 pm, Baesken, Matthias wrote:
Hi Yasumasa , I'm more or less fine with the change .
But still not fully convinced that removing the iteration is a good thing .
http://cr.openjdk.java.net/~ysuenaga/JDK-8250598/web
On 12/08/2020 8:51 pm, Baesken, Matthias wrote:
Hi Yasumasa , I'm more or less fine with the change .
But still not fully convinced that removing the iteration is a good thing .
http://cr.openjdk.java.net/~ysuenaga/JDK-8250598/webrev.01/src/hotspot/cpu/x86/vm_version_x86.cpp.frames.html
1827
Hi Yasumasa , I'm more or less fine with the change .
But still not fully convinced that removing the iteration is a good thing .
http://cr.openjdk.java.net/~ysuenaga/JDK-8250598/webrev.01/src/hotspot/cpu/x86/vm_version_x86.cpp.frames.html
1827 for (base = 0x4000; base < 0x4001; base
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