[12/13] riscv/irq: use seq_put_decimal_ull_width() for decimal values

Commit Message

David Wang Nov. 8, 2024, 4:25 p.m. UTC

Performance improvement for reading /proc/interrupts on arch riscv

Signed-off-by: David Wang <[e-mail]>
---
 arch/riscv/kernel/smp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch

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]);
 	}
 }