aarch64 lacks HP_TIMING support in glibc

[Andreas Schwab]

On Jun 22 2021, Adhemerval Zanella wrote:

> On 22/06/2021 16:27, Andreas Schwab wrote:
>> On Jun 22 2021, Adhemerval Zanella via Libc-alpha wrote:
>> 
>>> It should be possible support hp-timing.h on aarch64 to use cntvct_el0
>>> if the minimum supported kernel also supports it (3.2).  Afaik the
>>> hp-timing will be used only for LD_DEBUG=statistics, so default usage
>>> would not be penalized. 
>> 
>> But then, why is it such a big deal?
>
> Do you mean support hp-timing on aarch64 or eventually trap on kernel
> on such usage? 

hp-timing in general.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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