答复: [External Mail]Re: [PATCH] mm/cma: add 'available count' and 'total count' to trace_cma_alloc_start

[高翔 <gaoxiang17@xiaomi.com>]

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Sorry, I've changed it.

________________________________
发件人: Andrew Morton <akpm@linux-foundation.org>
发送时间: 2025年8月20日 8:31:15
收件人: Xiang Gao
抄送: david@redhat.com; lorenzo.stoakes@oracle.com; Liam.Howlett@oracle.com; vbabka@suse.cz; rppt@kernel.org; surenb@google.com; mhocko@suse.com; linux-mm@kvack.org; linux-kernel@vger.kernel.org; 高翔
主题: [External Mail]Re: [PATCH] mm/cma: add 'available count' and 'total count' to trace_cma_alloc_start

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On Tue, 19 Aug 2025 21:48:17 +0800 Xiang Gao <gxxa03070307@gmail.com> wrote:

> From: gaoxiang17 <gaoxiang17@xiaomi.com>
>
> This makes cma info more intuitive during debugging.
>
> ...
>
> --- a/include/trace/events/cma.h
> +++ b/include/trace/events/cma.h
>
> ...
>
>       TP_STRUCT__entry(
>               __string(name, name)
> -             __field(unsigned long, count)
> +             __field(unsigned long, request_count)
> +             __field(unsigned long, available_count)
> +             __field(unsigned long, total_count)
>               __field(unsigned int, align)
>       ),
>
>       TP_fast_assign(
>               __assign_str(name);
> -             __entry->count = count;
> +             __entry->count = request_count;
> +             __entry->available_count = available_count;
> +             __entry->total_count = total_count;
>               __entry->align = align;
>       ),
>
>       TP_printk("name=%s count=%lu align=%u",
>                 __get_str(name),
> -               __entry->count,
> +               __entry->request_count,
> +               __entry->available_count,
> +               __entry->total_count,
>                 __entry->align)

adds three args to the printk but didn't add their conversions to the
printk control string?



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