linux-kernel - [PATCH 09/13] loongarch/irq: use seq_put_decimal_ull

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Message-Id: <20241108162039.9818-1-00107082@163.com>
Date: Sat,  9 Nov 2024 00:20:39 +0800
From: David Wang <00107082@....com>
To: chenhuacai@...nel.org,
	kernel@...0n.name
Cc: linux-kernel@...r.kernel.org,
	loongarch@...ts.linux.dev,
	David Wang <00107082@....com>
Subject: [PATCH 09/13] loongarch/irq: use seq_put_decimal_ull_width() for decimal values

Performance improvement for reading /proc/interrupts on arch loongarch

Signed-off-by: David Wang <00107082@....com>
---
 arch/loongarch/kernel/smp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/loongarch/kernel/smp.c b/arch/loongarch/kernel/smp.c
index 9afc2d8b3414..86664adfb3cf 100644
--- a/arch/loongarch/kernel/smp.c
+++ b/arch/loongarch/kernel/smp.c
@@ -82,7 +82,7 @@ void show_ipi_list(struct seq_file *p, int prec)
 	for (i = 0; i < NR_IPI; i++) {
 		seq_printf(p, "%*s%u:%s", prec - 1, "IPI", i, prec >= 4 ? " " : "");
 		for_each_online_cpu(cpu)
-			seq_printf(p, "%10u ", per_cpu(irq_stat, cpu).ipi_irqs[i]);
+			seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat, cpu).ipi_irqs[i], 10);
 		seq_printf(p, " LoongArch  %d  %s\n", i + 1, ipi_types[i]);
 	}
 }
-- 
2.39.2