From: Daniel Kiper via Grub-devel <grub-devel@gnu.org>
To: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Cc: Daniel Kiper <daniel.kiper@oracle.com>,
GRUB development <grub-devel@gnu.org>
Subject: Re: [PATCH 1/1] riscv: use time register in grub_efi_get_time_ms()
Date: Tue, 13 Aug 2024 15:52:56 +0200 [thread overview]
Message-ID: <ZrtlOAVwpTA1d0f5@tomti.i.net-space.pl> (raw)
In-Reply-To: <20240812141318.276757-1-heinrich.schuchardt@canonical.com>
On Mon, Aug 12, 2024 at 04:13:18PM +0200, Heinrich Schuchardt wrote:
> The cycle register is not guaranteed to count at constant frequency.
> If it is counting at all depends on the state the performance monitoring
> unit.
>
> Use the time register to measure time.
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Daniel
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next prev parent reply other threads:[~2024-08-13 13:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-12 14:13 [PATCH 1/1] riscv: use time register in grub_efi_get_time_ms() Heinrich Schuchardt
2024-08-13 13:52 ` Daniel Kiper via Grub-devel [this message]
2024-09-10 9:54 ` Heinrich Schuchardt
2024-09-10 12:59 ` Daniel Kiper via Grub-devel
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