[alsa-devel] [PATCH v2 1/2] ALSA: echoaudio: add reference of struct echoaudio

Joe Perches joe at perches.com
Mon Nov 3 18:45:47 CET 2014


On Mon, 2014-11-03 at 22:22 +0530, Sudip Mukherjee wrote:
> On Mon, Nov 03, 2014 at 07:08:08AM -0800, Joe Perches wrote:
[]
> > ftrace exists and is generic.
> > 
> > Several of these seem to be function tracing
> > style uses and should just be deleted instead.
> 
> function tracing style uses means?

ftrace

see:

Documentation/trace/ftrace.txt
Documentation/trace/ftrace-design.txt

> there are some prints which are printing the function name while printing the debug message.
> are those function tracing style uses??

A debug message should generally not be emitting a
message just for the sake of documenting when a
function is entered/left.

Sometimes that is useful for initial debugging, but
almost always those debugging printks should not be
left in the code that is pushed to kernel.org.




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