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x86: unify show_interrupts() and proc helpers

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show_interrupts() and proc helpers are basically the same for
32 and 64 bit. Move them to a shared source file.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2008-10-16 11:32:24 +02:00
committed by Ingo Molnar
parent c0c168ca26
commit 6b39ba771e
4 changed files with 167 additions and 279 deletions
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132
arch/x86/kernel/irq_64.c
View File

@ -18,8 +18,6 @@
#include <asm/idle.h>
#include <asm/smp.h>
atomic_t irq_err_count;
/*
* 'what should we do if we get a hw irq event on an illegal vector'.
* each architecture has to answer this themselves.
@ -64,136 +62,6 @@ static inline void stack_overflow_check(struct pt_regs *regs)
}
#endif
/*
* Generic, controller-independent functions:
*/
static int show_other_interrupts(struct seq_file *p)
{
int j;
seq_printf(p, "NMI: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count);
seq_printf(p, " Non-maskable interrupts\n");
seq_printf(p, "LOC: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs);
seq_printf(p, " Local timer interrupts\n");
#ifdef CONFIG_SMP
seq_printf(p, "RES: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->irq_resched_count);
seq_printf(p, " Rescheduling interrupts\n");
seq_printf(p, "CAL: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->irq_call_count);
seq_printf(p, " Function call interrupts\n");
seq_printf(p, "TLB: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->irq_tlb_count);
seq_printf(p, " TLB shootdowns\n");
#endif
#ifdef CONFIG_X86_MCE
seq_printf(p, "TRM: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->irq_thermal_count);
seq_printf(p, " Thermal event interrupts\n");
seq_printf(p, "THR: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count);
seq_printf(p, " Threshold APIC interrupts\n");
#endif
seq_printf(p, "SPU: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count);
seq_printf(p, " Spurious interrupts\n");
seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
return 0;
}
int show_interrupts(struct seq_file *p, void *v)
{
unsigned long flags, any_count = 0;
int i = *(loff_t *) v, j;
struct irqaction *action;
struct irq_desc *desc;
if (i > nr_irqs)
return 0;
if (i == nr_irqs)
return show_other_interrupts(p);
/* print header */
if (i == 0) {
seq_printf(p, " ");
for_each_online_cpu(j)
seq_printf(p, "CPU%-8d",j);
seq_putc(p, '\n');
}
desc = irq_to_desc(i);
spin_lock_irqsave(&desc->lock, flags);
#ifndef CONFIG_SMP
any_count = kstat_irqs(i);
#else
for_each_online_cpu(j)
any_count |= kstat_irqs_cpu(i, j);
#endif
action = desc->action;
if (!action && !any_count)
goto out;
seq_printf(p, "%3d: ", i);
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(i));
#else
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
#endif
seq_printf(p, " %8s", desc->chip->name);
seq_printf(p, "-%-8s", desc->name);
if (action) {
seq_printf(p, " %s", action->name);
while ((action = action->next) != NULL)
seq_printf(p, ", %s", action->name);
}
seq_putc(p, '\n');
out:
spin_unlock_irqrestore(&desc->lock, flags);
return 0;
}
/*
* /proc/stat helpers
*/
u64 arch_irq_stat_cpu(unsigned int cpu)
{
u64 sum = cpu_pda(cpu)->__nmi_count;
sum += cpu_pda(cpu)->apic_timer_irqs;
#ifdef CONFIG_SMP
sum += cpu_pda(cpu)->irq_resched_count;
sum += cpu_pda(cpu)->irq_call_count;
sum += cpu_pda(cpu)->irq_tlb_count;
#endif
#ifdef CONFIG_X86_MCE
sum += cpu_pda(cpu)->irq_thermal_count;
sum += cpu_pda(cpu)->irq_threshold_count;
#endif
sum += cpu_pda(cpu)->irq_spurious_count;
return sum;
}
u64 arch_irq_stat(void)
{
return atomic_read(&irq_err_count);
}
/*
* do_IRQ handles all normal device IRQ's (the special
* SMP cross-CPU interrupts have their own specific