Messages in this thread |  | | | Date | Thu, 28 Jul 2011 15:29:41 +0200 | | From | Frederic Weisbecker <> | | Subject | Re: [PATCH v2 3/6] trace: Add tracepoints to IRQ work run handler |
| |
On Thu, Jul 28, 2011 at 02:12:51PM +0200, Peter Zijlstra wrote: > On Wed, 2011-07-27 at 11:57 -0700, Vaibhav Nagarnaik wrote: > > @@ -122,6 +123,7 @@ void irq_work_run(void) > > { > > struct irq_work *list; > > > > trace_irq_work_run_entry(0); > > if (this_cpu_read(irq_work_list) == NULL) > > return; > > > > @@ -149,6 +151,7 @@ void irq_work_run(void) > > next_flags(NULL, IRQ_WORK_BUSY), > > NULL); > > } > > + trace_irq_work_run_exit(0); > > } > > EXPORT_SYMBOL_GPL(irq_work_run); > > So what happens when we call irq_work_run() from the timer interrupt? >
We probably need something like:
void irq_work_run_interrupt(void) { trace_irq_work_run_entry(0); irq_work_run(); trace_irq_work_run_exit(0); }
|  |