In commit baf86d6b3c we switched the default trace backend from "nop" to "log". Update the documentation to match.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> --- docs/tracing.txt | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/docs/tracing.txt b/docs/tracing.txt index e62444c..f351998a 100644 --- a/docs/tracing.txt +++ b/docs/tracing.txt @@ -150,13 +150,16 @@ The trace backends are chosen at configure time: For a list of supported trace backends, try ./configure --help or see below. If multiple backends are enabled, the trace is sent to them all. +If no backends are explicitly selected, configure will default to the +"log" backend. + The following subsections describe the supported trace backends. === Nop === 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. +can optimize out trace events completely. This imposes no performance +penalty. Note that regardless of the selected trace backend, events with the "disable" property will be generated with the "nop" backend. -- 2.7.4
