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spi/trace: Trace length of SPI messages on completion

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Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Mark Brown 2013-10-07 23:36:56 +01:00
parent 56ec1978ff
commit 31a2c46cd9
1 changed files with 22 additions and 2 deletions
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24
include/trace/events/spi.h
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@ -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 */