linux/include/trace/events/siox.h
Uwe Kleine-König 297a344d52 siox: add support for tracing
Implement tracing for SIOX. There are events for the data that is
written to the bus and for data being read from it.

Acked-by: Gavin Schenk <g.schenk@eckelmann.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-19 10:56:24 +01:00

67 lines
2.0 KiB
C

#undef TRACE_SYSTEM
#define TRACE_SYSTEM siox
#if !defined(_TRACE_SIOX_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SIOX_H
#include <linux/tracepoint.h>
TRACE_EVENT(siox_set_data,
TP_PROTO(const struct siox_master *smaster,
const struct siox_device *sdevice,
unsigned int devno, size_t bufoffset),
TP_ARGS(smaster, sdevice, devno, bufoffset),
TP_STRUCT__entry(
__field(int, busno)
__field(unsigned int, devno)
__field(size_t, inbytes)
__dynamic_array(u8, buf, sdevice->inbytes)
),
TP_fast_assign(
__entry->busno = smaster->busno;
__entry->devno = devno;
__entry->inbytes = sdevice->inbytes;
memcpy(__get_dynamic_array(buf),
smaster->buf + bufoffset, sdevice->inbytes);
),
TP_printk("siox-%d-%u [%*phD]",
__entry->busno,
__entry->devno,
(int)__entry->inbytes, __get_dynamic_array(buf)
)
);
TRACE_EVENT(siox_get_data,
TP_PROTO(const struct siox_master *smaster,
const struct siox_device *sdevice,
unsigned int devno, u8 status_clean,
size_t bufoffset),
TP_ARGS(smaster, sdevice, devno, status_clean, bufoffset),
TP_STRUCT__entry(
__field(int, busno)
__field(unsigned int, devno)
__field(u8, status_clean)
__field(size_t, outbytes)
__dynamic_array(u8, buf, sdevice->outbytes)
),
TP_fast_assign(
__entry->busno = smaster->busno;
__entry->devno = devno;
__entry->status_clean = status_clean;
__entry->outbytes = sdevice->outbytes;
memcpy(__get_dynamic_array(buf),
smaster->buf + bufoffset, sdevice->outbytes);
),
TP_printk("siox-%d-%u (%02hhx) [%*phD]",
__entry->busno,
__entry->devno,
__entry->status_clean,
(int)__entry->outbytes, __get_dynamic_array(buf)
)
);
#endif /* if !defined(_TRACE_SIOX_H) || defined(TRACE_HEADER_MULTI_READ) */
/* This part must be outside protection */
#include <trace/define_trace.h>