From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: Andreas Schwab <schwab@linux-m68k.org>,
Adhemerval Zanella via Libc-alpha <libc-alpha@sourceware.org>
Cc: Andrew Pinski <pinskia@gmail.com>,
Rafael Eduardo Ruviaro Christ
<rafaeleduardoruviaro.christ@asml.com>
Subject: Re: aarch64 lacks HP_TIMING support in glibc
Date: Tue, 22 Jun 2021 16:53:44 -0300 [thread overview]
Message-ID: <a9d430ea-a210-4fdf-c09c-8d4b7f4deed1@linaro.org> (raw)
In-Reply-To: <87h7hpg0nb.fsf@igel.home>
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?
next prev parent reply other threads:[~2021-06-22 19:53 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-22 18:29 Rafael Eduardo Ruviaro Christ
2021-06-22 18:38 ` Andrew Pinski
2021-06-22 18:57 ` Adhemerval Zanella
2021-06-22 19:27 ` Andreas Schwab
2021-06-22 19:53 ` Adhemerval Zanella [this message]
2021-06-22 20:18 ` Andreas Schwab
2021-06-22 20:22 ` Adhemerval Zanella
2021-06-23 11:43 Wilco Dijkstra
2021-06-23 13:26 ` Adhemerval Zanella
2021-06-23 15:19 ` Wilco Dijkstra
2021-06-28 15:49 ` Rafael Eduardo Ruviaro Christ
2021-06-28 19:25 ` Wilco Dijkstra
2021-06-30 13:27 ` Rafael Eduardo Ruviaro Christ
2021-07-02 13:13 ` Wilco Dijkstra
2021-07-02 13:53 ` Adhemerval Zanella
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