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authorIngo Molnar <mingo@elte.hu>2008-07-15 23:12:58 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-15 23:12:58 +0200
commit1e09481365ce248dbb4eb06dad70129bb5807037 (patch)
treec0cff5bef95c8b5e7486f144718ade9a06c284dc /arch/x86/kernel/irq_64.c
parent3e2f69fdd1b00166e7d589bce56b2d36a9e74374 (diff)
parentb9d2252c1e44fa83a4e65fdc9eb93db6297c55af (diff)
Merge branch 'linus' into core/softlockup
Conflicts: kernel/softlockup.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/irq_64.c')
-rw-r--r--arch/x86/kernel/irq_64.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 3aac15466a9..1f78b238d8d 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -135,6 +135,7 @@ skip:
seq_printf(p, "%10u ", cpu_pda(j)->irq_tlb_count);
seq_printf(p, " TLB shootdowns\n");
#endif
+#ifdef CONFIG_X86_MCE
seq_printf(p, "TRM: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->irq_thermal_count);
@@ -143,6 +144,7 @@ skip:
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count);
seq_printf(p, " Threshold APIC interrupts\n");
+#endif
seq_printf(p, "SPU: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count);
@@ -153,6 +155,32 @@ skip:
}
/*
+ * /proc/stat helpers
+ */
+u64 arch_irq_stat_cpu(unsigned int cpu)
+{
+ u64 sum = cpu_pda(cpu)->__nmi_count;
+
+ sum += cpu_pda(cpu)->apic_timer_irqs;
+#ifdef CONFIG_SMP
+ sum += cpu_pda(cpu)->irq_resched_count;
+ sum += cpu_pda(cpu)->irq_call_count;
+ sum += cpu_pda(cpu)->irq_tlb_count;
+#endif
+#ifdef CONFIG_X86_MCE
+ sum += cpu_pda(cpu)->irq_thermal_count;
+ sum += cpu_pda(cpu)->irq_threshold_count;
+#endif
+ sum += cpu_pda(cpu)->irq_spurious_count;
+ return sum;
+}
+
+u64 arch_irq_stat(void)
+{
+ return atomic_read(&irq_err_count);
+}
+
+/*
* do_IRQ handles all normal device IRQ's (the special
* SMP cross-CPU interrupts have their own specific
* handlers).