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-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 f51eaee921b6..412370ab9a34 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"
@@ -329,6 +330,9 @@ irqreturn_t no_action(int cpl, void *dev_id)
329 return IRQ_NONE; 330 return IRQ_NONE;
330} 331}
331 332
333DEFINE_TRACE(irq_handler_entry);
334DEFINE_TRACE(irq_handler_exit);
335
332/** 336/**
333 * handle_IRQ_event - irq action chain handler 337 * handle_IRQ_event - irq action chain handler
334 * @irq: the interrupt number 338 * @irq: the interrupt number
@@ -345,7 +349,9 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action)
345 local_irq_enable_in_hardirq(); 349 local_irq_enable_in_hardirq();
346 350
347 do { 351 do {
352 trace_irq_handler_entry(irq, action);
348 ret = action->handler(irq, action->dev_id); 353 ret = action->handler(irq, action->dev_id);
354 trace_irq_handler_exit(irq, action, ret);
349 if (ret == IRQ_HANDLED) 355 if (ret == IRQ_HANDLED)
350 status |= action->flags; 356 status |= action->flags;
351 retval |= ret; 357 retval |= ret;