linux-kernel - Re: [PATCH 12/13] riscv/irq: use seq_put_decimal_ull_width() for decimal values

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Message-ID: <Z5gv1S7tbPJO8boA@ghost>
Date: Mon, 27 Jan 2025 17:16:05 -0800
From: Charlie Jenkins <charlie@...osinc.com>
To: David Wang <00107082@....com>
Cc: paul.walmsley@...ive.com, palmer@...belt.com, aou@...s.berkeley.edu,
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH 12/13] riscv/irq: use seq_put_decimal_ull_width() for
 decimal values

On Sat, Nov 09, 2024 at 12:25:03AM +0800, David Wang wrote:
> Performance improvement for reading /proc/interrupts on arch riscv
> 
> Signed-off-by: David Wang <00107082@....com>

Reviewed-by: Charlie Jenkins <charlie@...osinc.com>
Tested-by: Charlie Jenkins <charlie@...osinc.com>

> ---
>  arch/riscv/kernel/smp.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/riscv/kernel/smp.c b/arch/riscv/kernel/smp.c
> index c180a647a30e..f1e9c3db094c 100644
> --- a/arch/riscv/kernel/smp.c
> +++ b/arch/riscv/kernel/smp.c
> @@ -226,7 +226,8 @@ void show_ipi_stats(struct seq_file *p, int prec)
>  		seq_printf(p, "%*s%u:%s", prec - 1, "IPI", i,
>  			   prec >= 4 ? " " : "");
>  		for_each_online_cpu(cpu)
> -			seq_printf(p, "%10u ", irq_desc_kstat_cpu(ipi_desc[i], cpu));
> +			seq_put_decimal_ull_width(p, " ",
> +						  irq_desc_kstat_cpu(ipi_desc[i], cpu), 10);
>  		seq_printf(p, " %s\n", ipi_names[i]);
>  	}
>  }
> -- 
> 2.39.2
> 
> 
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv

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