diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/handle.c | 6 | ||||
| -rw-r--r-- | kernel/trace/events.c | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 3aba8d12f32..4709a7c870d 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -17,6 +17,7 @@ #include <linux/kernel_stat.h> #include <linux/rculist.h> #include <linux/hash.h> +#include <trace/irq.h> #include "internals.h" @@ -316,6 +317,9 @@ irqreturn_t no_action(int cpl, void *dev_id) return IRQ_NONE; } +DEFINE_TRACE(irq_handler_entry); +DEFINE_TRACE(irq_handler_exit); + /** * handle_IRQ_event - irq action chain handler * @irq: the interrupt number @@ -332,7 +336,9 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action) local_irq_enable_in_hardirq(); do { + trace_irq_handler_entry(irq, action); ret = action->handler(irq, action->dev_id); + trace_irq_handler_exit(irq, action, ret); if (ret == IRQ_HANDLED) status |= action->flags; retval |= ret; diff --git a/kernel/trace/events.c b/kernel/trace/events.c index 38c89eef99e..3c75623893c 100644 --- a/kernel/trace/events.c +++ b/kernel/trace/events.c @@ -6,8 +6,10 @@ /* trace/<type>.h here */ #include <trace/sched.h> +#include <trace/irq.h> #include "trace_events.h" /* trace/<type>_event_types.h here */ #include <trace/sched_event_types.h> +#include <trace/irq_event_types.h> |