Performance improvement for reading /proc/interrupts on arch powerpc
Signed-off-by: David Wang <00107...@163.com>
---
arch/powerpc/kernel/irq.c | 44 +++++++++++++++++++--------------------
1 file changed, 22 insertions(+), 22 deletions(-)
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 2e1600a8bbbb..a0e8b998c9b5 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -89,69 +89,69 @@ int arch_show_interrupts(struct seq_file *p, int prec)
#if defined(CONFIG_PPC32) && defined(CONFIG_TAU_INT)
if (tau_initialized) {
- seq_printf(p, "%*s: ", prec, "TAU");
+ seq_printf(p, "%*s:", prec, "TAU");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", tau_interrupts(j));
+ seq_put_decimal_ull_width(p, " ", tau_interrupts(j),
10);
seq_puts(p, " PowerPC Thermal Assist (cpu
temp)\n");
}
#endif /* CONFIG_PPC32 && CONFIG_TAU_INT */
- seq_printf(p, "%*s: ", prec, "LOC");
+ seq_printf(p, "%*s:", prec, "LOC");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", per_cpu(irq_stat, j).timer_irqs_event);
+ seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat,
j).timer_irqs_event, 10);
seq_printf(p, " Local timer interrupts for timer event device\n");
- seq_printf(p, "%*s: ", prec, "BCT");
+ seq_printf(p, "%*s:", prec, "BCT");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", per_cpu(irq_stat,
j).broadcast_irqs_event);
+ seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat,
j).broadcast_irqs_event, 10);
seq_printf(p, " Broadcast timer interrupts for timer event device\n");
- seq_printf(p, "%*s: ", prec, "LOC");
+ seq_printf(p, "%*s:", prec, "LOC");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", per_cpu(irq_stat, j).timer_irqs_others);
+ seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat,
j).timer_irqs_others, 10);
seq_printf(p, " Local timer interrupts for others\n");
- seq_printf(p, "%*s: ", prec, "SPU");
+ seq_printf(p, "%*s:", prec, "SPU");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", per_cpu(irq_stat, j).spurious_irqs);
+ seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat,
j).spurious_irqs, 10);
seq_printf(p, " Spurious interrupts\n");
- seq_printf(p, "%*s: ", prec, "PMI");
+ seq_printf(p, "%*s:", prec, "PMI");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", per_cpu(irq_stat, j).pmu_irqs);
+ seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat,
j).pmu_irqs, 10);
seq_printf(p, " Performance monitoring interrupts\n");
- seq_printf(p, "%*s: ", prec, "MCE");
+ seq_printf(p, "%*s:", prec, "MCE");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", per_cpu(irq_stat, j).mce_exceptions);
+ seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat,
j).mce_exceptions, 10);
seq_printf(p, " Machine check exceptions\n");
#ifdef CONFIG_PPC_BOOK3S_64
if (cpu_has_feature(CPU_FTR_HVMODE)) {
- seq_printf(p, "%*s: ", prec, "HMI");
+ seq_printf(p, "%*s:", prec, "HMI");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", paca_ptrs[j]->hmi_irqs);
+ seq_put_decimal_ull_width(p, " ",
paca_ptrs[j]->hmi_irqs, 10);
seq_printf(p, " Hypervisor Maintenance Interrupts\n");
}
#endif
- seq_printf(p, "%*s: ", prec, "NMI");
+ seq_printf(p, "%*s:", prec, "NMI");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", per_cpu(irq_stat, j).sreset_irqs);
+ seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat,
j).sreset_irqs, 10);
seq_printf(p, " System Reset interrupts\n");
#ifdef CONFIG_PPC_WATCHDOG
- seq_printf(p, "%*s: ", prec, "WDG");
+ seq_printf(p, "%*s:", prec, "WDG");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", per_cpu(irq_stat, j).soft_nmi_irqs);
+ seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat,
j).soft_nmi_irqs, 10);
seq_printf(p, " Watchdog soft-NMI interrupts\n");
#endif
#ifdef CONFIG_PPC_DOORBELL
if (cpu_has_feature(CPU_FTR_DBELL)) {
- seq_printf(p, "%*s: ", prec, "DBL");
+ seq_printf(p, "%*s:", prec, "DBL");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", per_cpu(irq_stat,
j).doorbell_irqs);
+ seq_put_decimal_ull_width(p, " ", per_cpu(irq_stat,
j).doorbell_irqs, 10);
seq_printf(p, " Doorbell interrupts\n");
}
#endif
--
2.39.2
