Re: [PATCH 3/3] function-graph: ignore times across schedule

[Ingo Molnar <mingo@elte.hu>]

* Steven Rostedt <rostedt@goodmis.org> wrote:

> From: Steven Rostedt <srostedt@redhat.com>
> 
> Impact: more accurate timings
> 
> The current method of function graph tracing does not take into
> account the time spent when a task is not running. This shows functions
> that call schedule have increased costs:
> 
>  3) + 18.664 us   |      }
>  ------------------------------------------
>  3)    <idle>-0    =>  kblockd-123
>  ------------------------------------------
> 
>  3)               |      finish_task_switch() {
>  3)   1.441 us    |        _spin_unlock_irq();
>  3)   3.966 us    |      }
>  3) ! 2959.433 us |    }
>  3) ! 2961.465 us |  }

dunno - i actually like how it shows the _real_ elapsed time. Why is 
this wrong?

	Ingo