diff options
| author | Mark Brown <broonie@linaro.org> | 2013-10-07 22:36:56 (GMT) |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-10-08 17:03:05 (GMT) |
| commit | 31a2c46cd94c6463b2b57b476e5a0fd154fee439 (patch) | |
| tree | b14e24e268f09319f0056bb5b8d4b3fecf354c3c | |
| parent | 56ec1978ff07380bbdc0a942c8779ec9fd9e02ee (diff) | |
| download | linux-31a2c46cd94c6463b2b57b476e5a0fd154fee439.tar.xz | |
spi/trace: Trace length of SPI messages on completion
Signed-off-by: Mark Brown <broonie@linaro.org>
| -rw-r--r-- | include/trace/events/spi.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/include/trace/events/spi.h b/include/trace/events/spi.h index a7b0907..5e77e21 100644 --- a/include/trace/events/spi.h +++ b/include/trace/events/spi.h @@ -80,12 +80,32 @@ DEFINE_EVENT(spi_message, spi_message_start, ); -DEFINE_EVENT(spi_message, spi_message_done, +TRACE_EVENT(spi_message_done, TP_PROTO(struct spi_message *msg), - TP_ARGS(msg) + TP_ARGS(msg), + + TP_STRUCT__entry( + __field( int, bus_num ) + __field( int, chip_select ) + __field( struct spi_message *, msg ) + __field( unsigned, frame ) + __field( unsigned, actual ) + ), + TP_fast_assign( + __entry->bus_num = msg->spi->master->bus_num; + __entry->chip_select = msg->spi->chip_select; + __entry->msg = msg; + __entry->frame = msg->frame_length; + __entry->actual = msg->actual_length; + ), + + TP_printk("spi%d.%d %p len=%u/%u", (int)__entry->bus_num, + (int)__entry->chip_select, + (struct spi_message *)__entry->msg, + (unsigned)__entry->actual, (unsigned)__entry->frame) ); #endif /* _TRACE_POWER_H */ |