[PATCH 07/13] arm64/irq: use seq_put_decimal_ull_width() for decimal values
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From: David Wang <hidden>
Date: 2024-11-08 16:18:23
Also in:
lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
Performance improvement for reading /proc/interrupts on arch arm64 Signed-off-by: David Wang <redacted> --- 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]); }
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2.39.2