在 2021年04月23日 00:00, crash-utility-request@xxxxxxxxxx 写道:
> Date: Thu, 22 Apr 2021 12:06:29 +0000
> From: "Moore, Martin (Linux ERT)" <martin.moore@xxxxxxx>
> To: "Discussion list for crash utility usage, maintenance and
> development" <crash-utility@xxxxxxxxxx>
> Subject: Re: [PATCH] Skip alternate hz calculation in
> Linux 4.8+
> Message-ID:
> <AT5PR8401MB1300438F403F7A3A9B6A12DC91469@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi Kazu,
>
>> Thank you for the report and patch, there is another discussion about the HZ calculation [1], but anyway I think we should have this patch.
>> Acked-by: Kazuhito Hagio <k-hagio-ab@xxxxxxx>
>> Could I have your Signed-off-by: tag?
> Yes, included below. Thanks.
>
> --- task.c.orig 2021-04-14 16:07:52.021137849 -0400
> +++ task.c 2021-04-14 16:11:03.406626370 -0400
> @@ -417,7 +417,8 @@
>
> STRUCT_SIZE_INIT(cputime_t, "cputime_t");
>
> - if (symbol_exists("cfq_slice_async")) {
> + if ((THIS_KERNEL_VERSION < LINUX(4,8,0)) &&
> + symbol_exists("cfq_slice_async")) {
> uint cfq_slice_async;
>
> get_symbol_data("cfq_slice_async", sizeof(int),
>
> Signed-off-by: Martin Moore <martin.moore@xxxxxxx>
Acked-by: Lianbo Jiang <lijiang@xxxxxxxxxx>
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