linux.git/include/trace/events/pwm.h, branch vsnprintf Linux kernel source tree pwm: Add tracing for waveform callbacks 2024-09-28T13:13:56+00:00 Uwe Kleine-König u.kleine-koenig@baylibre.com 2024-09-20T08:58:00+00:00 1afd01db1a76cdd1d96696e3790d66c79621784c This adds trace events for the recently introduced waveform callbacks. With the introduction of some helper macros consistency among the different events is ensured. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Link: https://lore.kernel.org/r/1d71879b0de3bf01459c7a9d0f040d43eb5ace56.1726819463.git.u.kleine-koenig@baylibre.com Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org> 
This adds trace events for the recently introduced waveform callbacks.
With the introduction of some helper macros consistency among the
different events is ensured.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/1d71879b0de3bf01459c7a9d0f040d43eb5ace56.1726819463.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
pwm: Make info in traces about affected pwm more useful 2024-09-05T09:14:14+00:00 Uwe Kleine-König u.kleine-koenig@baylibre.com 2024-07-05T21:14:51+00:00 1c3e34bf8802b8b17d0c2067c43bb49b7e83885c The hashed pointer isn't useful to identify the pwm device. Instead store and emit chipid and hwpwm. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> Link: https://lore.kernel.org/r/20240705211452.1157967-2-u.kleine-koenig@baylibre.com Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org> 
The hashed pointer isn't useful to identify the pwm device. Instead
store and emit chipid and hwpwm.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20240705211452.1157967-2-u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
pwm/tracing: Also record trace events for failed API calls 2022-12-06T11:46:23+00:00 Uwe Kleine-König u.kleine-koenig@pengutronix.de 2022-12-02T18:35:27+00:00 3dae106f4ca358bb1d8d8708d3289fa130b1ad5b Record and report an error code for the events. This allows to report about failed calls without ambiguity and so gives a more complete picture. Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20221130152148.2769768-3-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> 
Record and report an error code for the events. This allows to report
about failed calls without ambiguity and so gives a more complete
picture.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221130152148.2769768-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
pwm: Implement tracing for .get_state() and .apply_state() 2020-01-20T11:28:37+00:00 Uwe Kleine-König u.kleine-koenig@pengutronix.de 2019-10-24T08:08:29+00:00 1188829abc2abbef0da7a082fdb6a315a050a0a0 This allows to log all calls to the driver's lowlevel functions which simplifies debugging in some cases. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> 
This allows to log all calls to the driver's lowlevel functions which
simplifies debugging in some cases.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>