* [PATCH 06/13] arm/irq: use seq_put_decimal_ull_width() for decimal values
@ 2024-11-08 16:16 David Wang
0 siblings, 0 replies; only message in thread
From: David Wang @ 2024-11-08 16:16 UTC (permalink / raw)
To: linux-arm-kernel; +Cc: linux-kernel, tglx, David Wang
Performance improvement for reading /proc/interrupts on arch arm
Signed-off-by: David Wang <00107082@163.com>
---
arch/arm/kernel/smp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 3431c0553f45..1b0680477ae1 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -551,10 +551,10 @@ void show_ipi_list(struct seq_file *p, int prec)
if (!ipi_desc[i])
continue;
- seq_printf(p, "%*s%u: ", prec - 1, "IPI", i);
+ seq_printf(p, "%*s%u:", prec - 1, "IPI", i);
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
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