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Subject/proc/interrupts: print all interrupts with nonzero counts
Hi!

If there are some interrupts with non-zero interrupt count, it is a
little bit strange. Therefore it should be printed in
/proc/interrupts.

Pavel

--- clean/arch/i386/kernel/irq.c Mon Nov 15 22:12:38 1999
+++ linux/arch/i386/kernel/irq.c Mon Nov 15 22:08:52 1999
@@ -145,19 +145,23 @@
*p++ = '\n';

for (i = 0 ; i < NR_IRQS ; i++) {
+ unsigned keep = 0;
+ char *q = p;
action = irq_desc[i].action;
- if (!action)
- continue;
+
p += sprintf(p, "%3d: ",i);
#ifndef __SMP__
- p += sprintf(p, "%10u ", kstat_irqs(i));
+ p += sprintf(p, "%10u ", keep = kstat_irqs(i));
#else
for (j = 0; j < smp_num_cpus; j++)
p += sprintf(p, "%10u ",
- kstat.irqs[cpu_logical_map(j)][i]);
+ keep |= kstat.irqs[cpu_logical_map(j)][i]);
#endif
p += sprintf(p, " %14s", irq_desc[i].handler->typename);
- p += sprintf(p, " %s", action->name);
+ if (!action) {
+ if (!keep) p = q; else *p++ = '\n';
+ continue;
+ } else p += sprintf(p, " %s", action->name);

for (action=action->next; action; action = action->next)
p += sprintf(p, ", %s", action->name);
--
I'm really pavel@ucw.cz. Look at http://195.113.31.123/~pavel. Pavel
Hi! I'm a .signature virus! Copy me into your ~/.signature, please!

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