diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2022-12-02 19:35:27 +0100 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2022-12-06 12:46:23 +0100 |
| commit | 3dae106f4ca358bb1d8d8708d3289fa130b1ad5b (patch) | |
| tree | a5e835dafe20b348090dbec0616d7185452e3754 /include/trace | |
| parent | 6c452cff79f8bf1c0146fda598d32061cfd25443 (diff) | |
| download | lwn-3dae106f4ca358bb1d8d8708d3289fa130b1ad5b.tar.gz lwn-3dae106f4ca358bb1d8d8708d3289fa130b1ad5b.zip | |
pwm/tracing: Also record trace events for failed API calls
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>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/pwm.h | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/include/trace/events/pwm.h b/include/trace/events/pwm.h index cf243de41cc8..12b35e4ff917 100644 --- a/include/trace/events/pwm.h +++ b/include/trace/events/pwm.h @@ -10,9 +10,9 @@ DECLARE_EVENT_CLASS(pwm, - TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state), + TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state, int err), - TP_ARGS(pwm, state), + TP_ARGS(pwm, state, err), TP_STRUCT__entry( __field(struct pwm_device *, pwm) @@ -20,6 +20,7 @@ DECLARE_EVENT_CLASS(pwm, __field(u64, duty_cycle) __field(enum pwm_polarity, polarity) __field(bool, enabled) + __field(int, err) ), TP_fast_assign( @@ -28,28 +29,27 @@ DECLARE_EVENT_CLASS(pwm, __entry->duty_cycle = state->duty_cycle; __entry->polarity = state->polarity; __entry->enabled = state->enabled; + __entry->err = err; ), - TP_printk("%p: period=%llu duty_cycle=%llu polarity=%d enabled=%d", + TP_printk("%p: period=%llu duty_cycle=%llu polarity=%d enabled=%d err=%d", __entry->pwm, __entry->period, __entry->duty_cycle, - __entry->polarity, __entry->enabled) + __entry->polarity, __entry->enabled, __entry->err) ); DEFINE_EVENT(pwm, pwm_apply, - TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state), - - TP_ARGS(pwm, state) + TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state, int err), + TP_ARGS(pwm, state, err) ); DEFINE_EVENT(pwm, pwm_get, - TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state), - - TP_ARGS(pwm, state) + TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state, int err), + TP_ARGS(pwm, state, err) ); #endif /* _TRACE_PWM_H */ |