diff options
Diffstat (limited to 'arch/x86/kernel/apic/apic.c')
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 59ee76fe1c53..61ced40e9c2c 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -55,6 +55,9 @@ #include <asm/tsc.h> #include <asm/hypervisor.h> +#define CREATE_TRACE_POINTS +#include <asm/trace/irq_vectors.h> + unsigned int num_processors; unsigned disabled_cpus __cpuinitdata; @@ -931,6 +934,27 @@ void __irq_entry smp_apic_timer_interrupt(struct pt_regs *regs) set_irq_regs(old_regs); } +void __irq_entry smp_trace_apic_timer_interrupt(struct pt_regs *regs) +{ + struct pt_regs *old_regs = set_irq_regs(regs); + + /* + * NOTE! We'd better ACK the irq immediately, + * because timer handling can be slow. + * + * update_process_times() expects us to have done irq_enter(). + * Besides, if we don't timer interrupts ignore the global + * interrupt lock, which is the WrongThing (tm) to do. + */ + entering_ack_irq(); + trace_local_timer_entry(LOCAL_TIMER_VECTOR); + local_apic_timer_interrupt(); + trace_local_timer_exit(LOCAL_TIMER_VECTOR); + exiting_irq(); + + set_irq_regs(old_regs); +} + int setup_profiling_timer(unsigned int multiplier) { return -EINVAL; @@ -1931,6 +1955,15 @@ void smp_spurious_interrupt(struct pt_regs *regs) exiting_irq(); } +void smp_trace_spurious_interrupt(struct pt_regs *regs) +{ + entering_irq(); + trace_spurious_apic_entry(SPURIOUS_APIC_VECTOR); + __smp_spurious_interrupt(); + trace_spurious_apic_exit(SPURIOUS_APIC_VECTOR); + exiting_irq(); +} + /* * This interrupt should never happen with our APIC/SMP architecture */ @@ -1978,6 +2011,15 @@ void smp_error_interrupt(struct pt_regs *regs) exiting_irq(); } +void smp_trace_error_interrupt(struct pt_regs *regs) +{ + entering_irq(); + trace_error_apic_entry(ERROR_APIC_VECTOR); + __smp_error_interrupt(regs); + trace_error_apic_exit(ERROR_APIC_VECTOR); + exiting_irq(); +} + /** * connect_bsp_APIC - attach the APIC to the interrupt system */ |