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SubjectMicrostate Accounting for 2.6.11, patch 4/6
Microstate accounting:  Account for time in interrupt handlers for I386.

arch/i386/kernel/irq.c | 13 ++++++++++++-
1 files changed, 12 insertions(+), 1 deletion(-)


Index: linux-2.6-ustate/arch/i386/kernel/irq.c
===================================================================
--- linux-2.6-ustate.orig/arch/i386/kernel/irq.c 2005-03-10 09:13:00.115606274 +1100
+++ linux-2.6-ustate/arch/i386/kernel/irq.c 2005-03-10 09:16:16.032121680 +1100
@@ -55,6 +55,8 @@
#endif

irq_enter();
+ msa_start_irq(irq);
+
#ifdef CONFIG_DEBUG_STACKOVERFLOW
/* Debugging check for stack overflow: is there less than 1KB free? */
{
@@ -101,6 +103,7 @@
#endif
__do_IRQ(irq, regs);

+ msa_finish_irq(irq);
irq_exit();

return 1;
@@ -221,10 +224,18 @@
seq_printf(p, "%3d: ",i);
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(i));
+#ifdef CONFIG_MICROSTATE
+ seq_printf(p, "%10llu", msa_irq_time(0, i));
+#endif
#else
for (j = 0; j < NR_CPUS; j++)
- if (cpu_online(j))
+ if (cpu_online(j)) {
seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+#ifdef CONFIG_MICROSTATE
+ seq_printf(p, "%10llu", msa_irq_time(j, i));
+#endif
+ }
+
#endif
seq_printf(p, " %14s", irq_desc[i].handler->typename);
seq_printf(p, " %s", action->name);
-
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