* [PATCH 07/13] arm64/irq: use seq_put_decimal_ull_width() for decimal values
@ 2024-11-08 16:17 David Wang
0 siblings, 0 replies; only message in thread
From: David Wang @ 2024-11-08 16:17 UTC (permalink / raw)
To: catalin.marinas, will; +Cc: linux-kernel, linux-arm-kernel, David Wang
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
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2024-11-08 16:18 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-11-08 16:17 [PATCH 07/13] arm64/irq: use seq_put_decimal_ull_width() for decimal values David Wang
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®