Re: [PATCH 1/3 v4] Add tracing_off_event() to stop tracing when a bug or warning occur

Frederic Weisbecker
2010-04-15T20:13:25Z

On Wed, Apr 14, 2010 at 12:20:14PM -0400, Chase Douglas wrote:
> The tracing_off_event() function calls tracing_off() to stop tracing
> when an event occurs. By default, only BUG-type events stop tracing,
> while WARNING type events do not. This is controlled through the
> tracing_off={none,warn,bug} commandline parameter.
>
> Call this function from bug and warning event handlers to enable a user
> to debug their kernel by starting a trace, hitting an event, and then
> retrieving trace info knowing that the trace was stopped right after the
> event was hit.

That's a good idea!

>
> Signed-off-by: Chase Douglas <chase.douglas@canonical.com>

Acked-by: Frederic Weisbecker <fweisbec@gmail.com>