[PATCH 05/13] alpha/irq: use seq_put_decimal_ull_width() for decimal values

From: David Wang
Date: Fri Nov 08 2024 - 11:15:24 EST


Performance improvement for reading /proc/interrupts on arch alpha

Signed-off-by: David Wang <00107082@xxxxxxx>
---
arch/alpha/kernel/irq.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index c67047c5d830..0dbb8d3ed647 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -72,14 +72,14 @@ int arch_show_interrupts(struct seq_file *p, int prec)
int j;

#ifdef CONFIG_SMP
- seq_puts(p, "IPI: ");
+ seq_puts(p, "IPI:");
for_each_online_cpu(j)
- seq_printf(p, "%10lu ", cpu_data[j].ipi_count);
+ seq_put_decimal_ull_width(p, " ", cpu_data[j].ipi_count, 10);
seq_putc(p, '\n');
#endif
- seq_puts(p, "PMI: ");
+ seq_puts(p, "PMI:");
for_each_online_cpu(j)
- seq_printf(p, "%10lu ", per_cpu(irq_pmi_count, j));
+ seq_put_decimal_ull_width(p, " ", per_cpu(irq_pmi_count, j), 10);
seq_puts(p, " Performance Monitoring\n");
seq_printf(p, "ERR: %10lu\n", irq_err_count);
return 0;
--
2.39.2