RFR: 8221535: add steal tick related information to hs_error file [linux]

David Holmes david.holmes at oracle.com
Wed Mar 27 09:28:30 UTC 2019


Hi Matthias,

We already have code of this form in os_perf_linux.cpp. Can you update 
that for steal-ticks and reuse it?

Thanks,
David

On 27/03/2019 6:41 pm, Baesken, Matthias wrote:
> Hello, please review  the  following change .
> 
> Recent Linux kernels provide in the /proc filesystem   so called "steal" information, see the the proc man page :
> 
>    ..
> "there is an eighth column, steal - stolen time, which is the time spent in other operating systems when running in a virtualized environment"
> 
> The info was useful  in our  internal VM,  when looking into performance issues  (especially in virtualized environments), so it should be added to the hs_err file .
> 
> Bug/webrev :
> 
> https://bugs.openjdk.java.net/browse/JDK-8221535
> 
> http://cr.openjdk.java.net/~mbaesken/webrevs/8221535.0/
> 
> 
> Best Regards, Matthias
> 


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