diff options
Diffstat (limited to 'arch/powerpc/kernel/time.c')
-rw-r--r-- | arch/powerpc/kernel/time.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index a136a11c490d..36707dec94d7 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c | |||
@@ -54,6 +54,7 @@ | |||
54 | #include <linux/irq.h> | 54 | #include <linux/irq.h> |
55 | #include <linux/delay.h> | 55 | #include <linux/delay.h> |
56 | #include <linux/perf_event.h> | 56 | #include <linux/perf_event.h> |
57 | #include <asm/trace.h> | ||
57 | 58 | ||
58 | #include <asm/io.h> | 59 | #include <asm/io.h> |
59 | #include <asm/processor.h> | 60 | #include <asm/processor.h> |
@@ -571,6 +572,8 @@ void timer_interrupt(struct pt_regs * regs) | |||
571 | struct clock_event_device *evt = &decrementer->event; | 572 | struct clock_event_device *evt = &decrementer->event; |
572 | u64 now; | 573 | u64 now; |
573 | 574 | ||
575 | trace_timer_interrupt_entry(regs); | ||
576 | |||
574 | /* Ensure a positive value is written to the decrementer, or else | 577 | /* Ensure a positive value is written to the decrementer, or else |
575 | * some CPUs will continuue to take decrementer exceptions */ | 578 | * some CPUs will continuue to take decrementer exceptions */ |
576 | set_dec(DECREMENTER_MAX); | 579 | set_dec(DECREMENTER_MAX); |
@@ -590,6 +593,7 @@ void timer_interrupt(struct pt_regs * regs) | |||
590 | now = decrementer->next_tb - now; | 593 | now = decrementer->next_tb - now; |
591 | if (now <= DECREMENTER_MAX) | 594 | if (now <= DECREMENTER_MAX) |
592 | set_dec((int)now); | 595 | set_dec((int)now); |
596 | trace_timer_interrupt_exit(regs); | ||
593 | return; | 597 | return; |
594 | } | 598 | } |
595 | old_regs = set_irq_regs(regs); | 599 | old_regs = set_irq_regs(regs); |
@@ -620,6 +624,8 @@ void timer_interrupt(struct pt_regs * regs) | |||
620 | 624 | ||
621 | irq_exit(); | 625 | irq_exit(); |
622 | set_irq_regs(old_regs); | 626 | set_irq_regs(old_regs); |
627 | |||
628 | trace_timer_interrupt_exit(regs); | ||
623 | } | 629 | } |
624 | 630 | ||
625 | void wakeup_decrementer(void) | 631 | void wakeup_decrementer(void) |