aboutsummaryrefslogtreecommitdiff
path: root/kernel/irq
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/handle.c6
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 @@
#include <linux/kernel_stat.h>
#include <linux/rculist.h>
#include <linux/hash.h>
+#include <trace/irq.h>
#include <linux/bootmem.h>
#include "internals.h"
@@ -338,6 +339,9 @@ 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
@@ -356,7 +360,9 @@ 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;