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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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297a344d52
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>
66 lines
2 KiB
C
66 lines
2 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM siox
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#if !defined(_TRACE_SIOX_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_SIOX_H
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#include <linux/tracepoint.h>
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TRACE_EVENT(siox_set_data,
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TP_PROTO(const struct siox_master *smaster,
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const struct siox_device *sdevice,
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unsigned int devno, size_t bufoffset),
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TP_ARGS(smaster, sdevice, devno, bufoffset),
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TP_STRUCT__entry(
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__field(int, busno)
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__field(unsigned int, devno)
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__field(size_t, inbytes)
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__dynamic_array(u8, buf, sdevice->inbytes)
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),
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TP_fast_assign(
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__entry->busno = smaster->busno;
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__entry->devno = devno;
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__entry->inbytes = sdevice->inbytes;
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memcpy(__get_dynamic_array(buf),
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smaster->buf + bufoffset, sdevice->inbytes);
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),
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TP_printk("siox-%d-%u [%*phD]",
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__entry->busno,
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__entry->devno,
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(int)__entry->inbytes, __get_dynamic_array(buf)
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)
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);
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TRACE_EVENT(siox_get_data,
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TP_PROTO(const struct siox_master *smaster,
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const struct siox_device *sdevice,
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unsigned int devno, u8 status_clean,
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size_t bufoffset),
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TP_ARGS(smaster, sdevice, devno, status_clean, bufoffset),
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TP_STRUCT__entry(
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__field(int, busno)
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__field(unsigned int, devno)
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__field(u8, status_clean)
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__field(size_t, outbytes)
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__dynamic_array(u8, buf, sdevice->outbytes)
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),
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TP_fast_assign(
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__entry->busno = smaster->busno;
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__entry->devno = devno;
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__entry->status_clean = status_clean;
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__entry->outbytes = sdevice->outbytes;
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memcpy(__get_dynamic_array(buf),
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smaster->buf + bufoffset, sdevice->outbytes);
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),
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TP_printk("siox-%d-%u (%02hhx) [%*phD]",
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__entry->busno,
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__entry->devno,
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__entry->status_clean,
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(int)__entry->outbytes, __get_dynamic_array(buf)
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)
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);
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#endif /* if !defined(_TRACE_SIOX_H) || defined(TRACE_HEADER_MULTI_READ) */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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