On Mon, Apr 4, 2011 at 10:49 PM, Lluís <xscr...@gmx.net> wrote:
> Any event with the keyword/property "disable" generates an empty trace event
> using the "nop" backend, regardless of the current backend.
>
> Signed-off-by: Lluís Vilanova <vilan...@ac.upc.edu>
> ---
> docs/tracing.txt | 3 +++
> scripts/tracetool | 15 ++-------------
> 2 files changed, 5 insertions(+), 13 deletions(-)
>
> diff --git a/docs/tracing.txt b/docs/tracing.txt
> index 5dbd3c0..49e030e 100644
> --- a/docs/tracing.txt
> +++ b/docs/tracing.txt
> @@ -126,6 +126,9 @@ The "nop" backend generates empty trace event functions
> so that the compiler
> can optimize out trace events completely. This is the default and imposes no
> performance penalty.
>
> +Note that regardless of the selected trace backend, events with the "disable"
> +property will be generated with the "nop" backend.
> +
> === Stderr ===
>
> The "stderr" backend sends trace events directly to standard error. This
Please also fix up docs/tracing.txt:
2. Enable trace events you are interested in:
$EDITOR trace-events # remove "disable" from events you want
The comment is now obsolete.
Stefan
