[U-Boot] [PATCH 1/1] x86: qemu-x86 requires CONFIG_SYS_HZ=2000

[Bin Meng]

On Thu, Sep 6, 2018 at 2:49 PM Bin Meng <bmeng.cn at gmail.com> wrote:
>
> Hi Heinrich,
>
> On Thu, Sep 6, 2018 at 2:06 PM Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
> >
> > The sleep command only provides correct timings for
> > CONFIG_SYS_HZ=2000 on qemu-x86_defconfig.
> >
> > This can be tested with
> >
> >     date && sleep 4 && date
>
> With current u-boot/master, with the same test command you provided, I got:
>
> => date && sleep 4 && date
> Date: 2018-09-06 (Thursday)    Time:  6:47:28
> Date: 2018-09-06 (Thursday)    Time:  6:47:32
> => date && sleep 4 && date
> Date: 2018-09-06 (Thursday)    Time:  6:47:41
> Date: 2018-09-06 (Thursday)    Time:  6:47:45
> => date && sleep 4 && date
> Date: 2018-09-06 (Thursday)    Time:  6:47:47
> Date: 2018-09-06 (Thursday)    Time:  6:47:51
>
> It seems there is no issue.
>
> QEMU was invoked like this: qemu-system-i386 -nographic -bios u-boot.rom

with '-smp 4', the issue still cannot be reproduced.

I am using QEMU 2.5.0, shipped by Ubuntu 16.04.

Regards,
Bin