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x86: also show non-zero IRQ counts for vectors that currently don't have a handler
It doesn't seem to make sense to hide these, even if their counts can't change at the point in time they're being displayed. [ tglx: arch/x86 adaptation ] Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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parent
38e760a133
commit
072f5d82b5
2 changed files with 28 additions and 8 deletions
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@ -255,9 +255,17 @@ int show_interrupts(struct seq_file *p, void *v)
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}
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if (i < NR_IRQS) {
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unsigned any_count = 0;
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spin_lock_irqsave(&irq_desc[i].lock, flags);
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#ifndef CONFIG_SMP
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any_count = kstat_irqs(i);
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#else
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for_each_online_cpu(j)
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any_count |= kstat_cpu(j).irqs[i];
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#endif
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action = irq_desc[i].action;
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if (!action)
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if (!action && !any_count)
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goto skip;
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seq_printf(p, "%3d: ",i);
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#ifndef CONFIG_SMP
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@ -268,10 +276,12 @@ int show_interrupts(struct seq_file *p, void *v)
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#endif
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seq_printf(p, " %8s", irq_desc[i].chip->name);
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seq_printf(p, "-%-8s", irq_desc[i].name);
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seq_printf(p, " %s", action->name);
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for (action=action->next; action; action = action->next)
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seq_printf(p, ", %s", action->name);
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if (action) {
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seq_printf(p, " %s", action->name);
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while ((action = action->next) != NULL)
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seq_printf(p, ", %s", action->name);
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}
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seq_putc(p, '\n');
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skip:
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@ -62,9 +62,17 @@ int show_interrupts(struct seq_file *p, void *v)
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}
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if (i < NR_IRQS) {
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unsigned any_count = 0;
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spin_lock_irqsave(&irq_desc[i].lock, flags);
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#ifndef CONFIG_SMP
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any_count = kstat_irqs(i);
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#else
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for_each_online_cpu(j)
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any_count |= kstat_cpu(j).irqs[i];
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#endif
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action = irq_desc[i].action;
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if (!action)
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if (!action && !any_count)
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goto skip;
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seq_printf(p, "%3d: ",i);
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#ifndef CONFIG_SMP
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@ -76,9 +84,11 @@ int show_interrupts(struct seq_file *p, void *v)
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seq_printf(p, " %8s", irq_desc[i].chip->name);
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seq_printf(p, "-%-8s", irq_desc[i].name);
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seq_printf(p, " %s", action->name);
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for (action=action->next; action; action = action->next)
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seq_printf(p, ", %s", action->name);
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if (action) {
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seq_printf(p, " %s", action->name);
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while ((action = action->next) != NULL)
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seq_printf(p, ", %s", action->name);
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}
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seq_putc(p, '\n');
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skip:
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spin_unlock_irqrestore(&irq_desc[i].lock, flags);
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