From: David Wang <00107082@163.com>
To: catalin.marinas@arm.com, will@kernel.org
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
David Wang <00107082@163.com>
Subject: [PATCH 07/13] arm64/irq: use seq_put_decimal_ull_width() for decimal values
Date: Sat, 9 Nov 2024 00:17:53 +0800 [thread overview]
Message-ID: <20241108161753.9760-1-00107082@163.com> (raw)
Performance improvement for reading /proc/interrupts on arch arm64
Signed-off-by: David Wang <00107082@163.com>
---
arch/arm64/kernel/smp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 3b3f6b56e733..35734a30ed8d 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -844,7 +844,8 @@ int arch_show_interrupts(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_types[i]);
}
--
2.39.2
reply other threads:[~2024-11-08 16:18 UTC|newest]
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