diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-04-01 15:54:19 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-04-01 18:49:02 -0400 |
commit | 8302294f43250dc337108c51882a6007f2b1e2e0 (patch) | |
tree | 85acd4440799c46a372df9cad170fa0c21e59096 /kernel/irq | |
parent | 4fe70410d9a219dabb47328effccae7e7f2a6e26 (diff) | |
parent | 2e572895bf3203e881356a4039ab0fa428ed2639 (diff) |
Merge branch 'tracing/core-v2' into tracing-for-linus
Conflicts:
include/linux/slub_def.h
lib/Kconfig.debug
mm/slob.c
mm/slub.c
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 9ebf77968871..343acecae629 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; |