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authorJan Beulich <jbeulich@novell.com>2008-05-12 15:44:41 +0200
committerThomas Gleixner <tglx@linutronix.de>2008-05-25 07:11:49 +0200
commita2eddfa95919a730e0e5ed17e9c303fe5ba249cd (patch)
tree19c806c27256fed0a744d8628caa356219e6bf16 /fs
parent75d3bce2fc0a80f435fe12f2c9ed2632c8ac29e4 (diff)
downloadblackbird-op-linux-a2eddfa95919a730e0e5ed17e9c303fe5ba249cd.tar.gz
blackbird-op-linux-a2eddfa95919a730e0e5ed17e9c303fe5ba249cd.zip
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 = {
};
#endif
+#ifndef arch_irq_stat_cpu
+#define arch_irq_stat_cpu(cpu) 0
+#endif
+#ifndef arch_irq_stat
+#define arch_irq_stat() 0
+#endif
+
static int show_stat(struct seq_file *p, void *v)
{
int i;
@@ -509,7 +516,9 @@ static int show_stat(struct seq_file *p, void *v)
sum += temp;
per_irq_sum[j] += temp;
}
+ sum += arch_irq_stat_cpu(i);
}
+ sum += arch_irq_stat();
seq_printf(p, "cpu %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
(unsigned long long)cputime64_to_clock_t(user),
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