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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/sound/core/control_trace.h
170856 views
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/* SPDX-License-Identifier: GPL-2.0 */

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#undef TRACE_SYSTEM

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#define TRACE_SYSTEM snd_ctl

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#if !defined(_TRACE_SND_CTL_H) || defined(TRACE_HEADER_MULTI_READ)

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#define _TRACE_SND_CTL_H

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#include <linux/tracepoint.h>

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#include <uapi/sound/asound.h>

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TRACE_EVENT(snd_ctl_put,

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	TP_PROTO(struct snd_ctl_elem_id *id, const char *iname, unsigned int card,

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		 int expected, int actual),

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	TP_ARGS(id, iname, card, expected, actual),

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	TP_STRUCT__entry(

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		__field(unsigned int,	numid)

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		__string(iname,		iname)

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		__string(kname,		id->name)

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		__field(unsigned int,	index)

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		__field(unsigned int,	device)

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		__field(unsigned int,	subdevice)

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		__field(unsigned int,	card)

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		__field(int,		expected)

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		__field(int,		actual)

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	),

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	TP_fast_assign(

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		__entry->numid = id->numid;

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		__assign_str(iname);

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		__assign_str(kname);

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		__entry->index = id->index;

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		__entry->device = id->device;

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		__entry->subdevice = id->subdevice;

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		__entry->card = card;

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		__entry->expected = expected;

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		__entry->actual = actual;

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	),

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	TP_printk("%s: expected=%d, actual=%d for ctl numid=%d, iface=%s, name='%s', index=%d, device=%d, subdevice=%d, card=%d\n",

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		  __entry->expected == __entry->actual ? "success" : "fail",

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		  __entry->expected, __entry->actual, __entry->numid,

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		  __get_str(iname), __get_str(kname), __entry->index,

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		  __entry->device, __entry->subdevice, __entry->card)

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);

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#endif /* _TRACE_SND_CTL_H */

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/* This part must be outside protection */

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#undef TRACE_INCLUDE_PATH

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#define TRACE_INCLUDE_PATH .

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#define TRACE_INCLUDE_FILE control_trace

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#include <trace/define_trace.h>

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