diff options
Diffstat (limited to 'arch/x86/kernel/apic/apic.c')
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 76b96d74978..c604d23b4f3 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -33,6 +33,7 @@ #include <linux/dmi.h> #include <linux/smp.h> #include <linux/mm.h> +#include <trace/irq.h> #include <asm/perf_event.h> #include <asm/x86_init.h> @@ -868,7 +869,9 @@ void __irq_entry smp_apic_timer_interrupt(struct pt_regs *regs) */ exit_idle(); irq_enter(); + trace_irq_entry(LOCAL_TIMER_VECTOR, regs, NULL); local_apic_timer_interrupt(); + trace_irq_exit(IRQ_HANDLED); irq_exit(); set_irq_regs(old_regs); @@ -1788,6 +1791,7 @@ void smp_spurious_interrupt(struct pt_regs *regs) exit_idle(); irq_enter(); + trace_irq_entry(SPURIOUS_APIC_VECTOR, NULL, NULL); /* * Check if this really is a spurious interrupt and ACK it * if it is a vectored one. Just in case... @@ -1802,6 +1806,7 @@ void smp_spurious_interrupt(struct pt_regs *regs) /* see sw-dev-man vol 3, chapter 7.4.13.5 */ pr_info("spurious APIC interrupt on CPU#%d, " "should never happen.\n", smp_processor_id()); + trace_irq_exit(IRQ_HANDLED); irq_exit(); } @@ -1814,6 +1819,7 @@ void smp_error_interrupt(struct pt_regs *regs) exit_idle(); irq_enter(); + trace_irq_entry(ERROR_APIC_VECTOR, NULL, NULL); /* First tickle the hardware, only then report what went on. -- REW */ v = apic_read(APIC_ESR); apic_write(APIC_ESR, 0); @@ -1834,6 +1840,7 @@ void smp_error_interrupt(struct pt_regs *regs) */ pr_debug("APIC error on CPU%d: %02x(%02x)\n", smp_processor_id(), v , v1); + trace_irq_exit(IRQ_HANDLED); irq_exit(); } |