diff options
| author | Andi Kleen <andi@firstfloor.org> | 2009-05-27 21:56:57 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-06-03 23:40:38 +0200 |
| commit | ca84f69697da0f004135e45b63ca560b6bd3554e (patch) | |
| tree | 0106ff5c8a2def169e7d2900071b6543d6c4dc6a /arch/x86/kernel/irq.c | |
| parent | x86, mce: add machine check exception count in /proc/interrupts (diff) | |
| download | linux-ca84f69697da0f004135e45b63ca560b6bd3554e.tar.xz linux-ca84f69697da0f004135e45b63ca560b6bd3554e.zip | |
x86, mce: add MCE poll count to /proc/interrupts
Keep a count of the machine check polls (or CMCI events) in
/proc/interrupts.
Andi needs this for debugging, but it's also useful in general
to see what's going in by the kernel.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel/irq.c')
| -rw-r--r-- | arch/x86/kernel/irq.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 05fc635c28c0..eff46b5de62f 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -100,6 +100,10 @@ static int show_other_interrupts(struct seq_file *p, int prec) for_each_online_cpu(j) seq_printf(p, "%10u ", per_cpu(mce_exception_count, j)); seq_printf(p, " Machine check exceptions\n"); + seq_printf(p, "%*s: ", prec, "MCP"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(mce_poll_count, j)); + seq_printf(p, " Machine check polls\n"); #endif seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count)); #if defined(CONFIG_X86_IO_APIC) |