diff mbox

docs/tracing.txt: Update documentation of default backend

Message ID 1478276837-31780-1-git-send-email-peter.maydell@linaro.org
State Superseded
Headers show

Commit Message

Peter Maydell Nov. 4, 2016, 4:27 p.m. UTC 
In commit baf86d6b3c we switched the default trace backend from "nop"
to "log". Update the documentation to match.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

---
 docs/tracing.txt | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

-- 
2.7.4

Comments

Stefan Hajnoczi Nov. 7, 2016, 1:10 p.m. UTC | #1 
On Fri, Nov 04, 2016 at 04:27:17PM +0000, Peter Maydell wrote:
> In commit baf86d6b3c we switched the default trace backend from "nop"

> to "log". Update the documentation to match.

> 

> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

> ---

>  docs/tracing.txt | 7 +++++--

>  1 file changed, 5 insertions(+), 2 deletions(-)


Thanks, applied to my tracing tree:
https://github.com/stefanha/qemu/commits/tracing

Stefan
diff mbox

Patch

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.