diff options
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/handle.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 9ebf7796887..343acecae62 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c | |||
| @@ -17,6 +17,7 @@ | |||
| 17 | #include <linux/kernel_stat.h> | 17 | #include <linux/kernel_stat.h> |
| 18 | #include <linux/rculist.h> | 18 | #include <linux/rculist.h> |
| 19 | #include <linux/hash.h> | 19 | #include <linux/hash.h> |
| 20 | #include <trace/irq.h> | ||
| 20 | #include <linux/bootmem.h> | 21 | #include <linux/bootmem.h> |
| 21 | 22 | ||
| 22 | #include "internals.h" | 23 | #include "internals.h" |
| @@ -338,6 +339,9 @@ irqreturn_t no_action(int cpl, void *dev_id) | |||
| 338 | return IRQ_NONE; | 339 | return IRQ_NONE; |
| 339 | } | 340 | } |
| 340 | 341 | ||
| 342 | DEFINE_TRACE(irq_handler_entry); | ||
| 343 | DEFINE_TRACE(irq_handler_exit); | ||
| 344 | |||
| 341 | /** | 345 | /** |
| 342 | * handle_IRQ_event - irq action chain handler | 346 | * handle_IRQ_event - irq action chain handler |
| 343 | * @irq: the interrupt number | 347 | * @irq: the interrupt number |
| @@ -356,7 +360,9 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action) | |||
| 356 | local_irq_enable_in_hardirq(); | 360 | local_irq_enable_in_hardirq(); |
| 357 | 361 | ||
| 358 | do { | 362 | do { |
| 363 | trace_irq_handler_entry(irq, action); | ||
| 359 | ret = action->handler(irq, action->dev_id); | 364 | ret = action->handler(irq, action->dev_id); |
| 365 | trace_irq_handler_exit(irq, action, ret); | ||
| 360 | if (ret == IRQ_HANDLED) | 366 | if (ret == IRQ_HANDLED) |
| 361 | status |= action->flags; | 367 | status |= action->flags; |
| 362 | retval |= ret; | 368 | retval |= ret; |
