RFR(integration blocker): 8191373: Multiple NUMA nodes expected
Daniel D. Daugherty
daniel.daugherty at oracle.com
Fri Nov 17 14:36:29 UTC 2017
On 11/17/17 9:10 AM, Robbin Ehn wrote:
> Hi all, please review.
>
> Windows needs to run os::init_2 before allocation polling page to
> proper setup numa. I saw no reason not to have it for all platforms
> after init_2.
Do we understand why this failure mode is intermittent?
Dan
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8191373
>
> Code below.
>
> Tested tier 1-5/1-3
>
> Thanks, Robbin
>
> diff -r b4d2929683b6 src/hotspot/share/runtime/thread.cpp
> --- a/src/hotspot/share/runtime/thread.cpp Fri Nov 17 02:50:51 2017
> +0100
> +++ b/src/hotspot/share/runtime/thread.cpp Fri Nov 17 13:30:28 2017
> +0100
> @@ -3560,10 +3560,10 @@
> TraceTime timer("Create VM", TRACETIME_LOG(Info, startuptime));
>
> - SafepointMechanism::initialize();
> -
> // Initialize the os module after parsing the args
> jint os_init_2_result = os::init_2();
> if (os_init_2_result != JNI_OK) return os_init_2_result;
>
> + SafepointMechanism::initialize();
> +
> jint adjust_after_os_result = Arguments::adjust_after_os();
> if (adjust_after_os_result != JNI_OK) return adjust_after_os_result;
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