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| author | Ingo Molnar <mingo@elte.hu> | 2009-04-01 21:54:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-02 00:49:02 +0200 |
| commit | 8302294f43250dc337108c51882a6007f2b1e2e0 (patch) | |
| tree | 85acd4440799c46a372df9cad170fa0c21e59096 /kernel/irq | |
| parent | 4fe70410d9a219dabb47328effccae7e7f2a6e26 (diff) | |
| parent | 2e572895bf3203e881356a4039ab0fa428ed2639 (diff) | |
| download | lwn-8302294f43250dc337108c51882a6007f2b1e2e0.tar.gz lwn-8302294f43250dc337108c51882a6007f2b1e2e0.zip | |
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 @@ #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; |