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authorJan Beulich <jbeulich@novell.com>2008-05-12 09:44:41 -0400
committerThomas Gleixner <tglx@linutronix.de>2008-05-25 01:11:49 -0400
commita2eddfa95919a730e0e5ed17e9c303fe5ba249cd (patch)
tree19c806c27256fed0a744d8628caa356219e6bf16 /fs
parent75d3bce2fc0a80f435fe12f2c9ed2632c8ac29e4 (diff)
x86: make /proc/stat account for all interrupts
LAPIC interrupts, which don't go through the generic interrupt handling code, aren't accounted for in /proc/stat. Hence this patch adds a mechanism architectures can use to accordingly adjust the statistics. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs')
-rw-r--r--fs/proc/proc_misc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 74a323d2b850..903e617bec58 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -472,6 +472,13 @@ static const struct file_operations proc_vmalloc_operations = {
472}; 472};
473#endif 473#endif
474 474
475#ifndef arch_irq_stat_cpu
476#define arch_irq_stat_cpu(cpu) 0
477#endif
478#ifndef arch_irq_stat
479#define arch_irq_stat() 0
480#endif
481
475static int show_stat(struct seq_file *p, void *v) 482static int show_stat(struct seq_file *p, void *v)
476{ 483{
477 int i; 484 int i;
@@ -509,7 +516,9 @@ static int show_stat(struct seq_file *p, void *v)
509 sum += temp; 516 sum += temp;
510 per_irq_sum[j] += temp; 517 per_irq_sum[j] += temp;
511 } 518 }
519 sum += arch_irq_stat_cpu(i);
512 } 520 }
521 sum += arch_irq_stat();
513 522
514 seq_printf(p, "cpu %llu %llu %llu %llu %llu %llu %llu %llu %llu\n", 523 seq_printf(p, "cpu %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
515 (unsigned long long)cputime64_to_clock_t(user), 524 (unsigned long long)cputime64_to_clock_t(user),