1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM devfreq
4
5#if !defined(_TRACE_DEVFREQ_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_DEVFREQ_H
7
8#include <linux/devfreq.h>
9#include <linux/tracepoint.h>
10
11TRACE_EVENT(devfreq_frequency,
12	TP_PROTO(struct devfreq *devfreq, unsigned long freq,
13		 unsigned long prev_freq),
14
15	TP_ARGS(devfreq, freq, prev_freq),
16
17	TP_STRUCT__entry(
18		__string(dev_name, dev_name(&devfreq->dev))
19		__field(unsigned long, freq)
20		__field(unsigned long, prev_freq)
21		__field(unsigned long, busy_time)
22		__field(unsigned long, total_time)
23	),
24
25	TP_fast_assign(
26		__assign_str(dev_name, dev_name(&devfreq->dev));
27		__entry->freq = freq;
28		__entry->prev_freq = prev_freq;
29		__entry->busy_time = devfreq->last_status.busy_time;
30		__entry->total_time = devfreq->last_status.total_time;
31	),
32
33	TP_printk("dev_name=%-30s freq=%-12lu prev_freq=%-12lu load=%-2lu",
34		__get_str(dev_name), __entry->freq, __entry->prev_freq,
35		__entry->total_time == 0 ? 0 :
36			(100 * __entry->busy_time) / __entry->total_time)
37);
38
39TRACE_EVENT(devfreq_monitor,
40	TP_PROTO(struct devfreq *devfreq),
41
42	TP_ARGS(devfreq),
43
44	TP_STRUCT__entry(
45		__field(unsigned long, freq)
46		__field(unsigned long, busy_time)
47		__field(unsigned long, total_time)
48		__field(unsigned int, polling_ms)
49		__string(dev_name, dev_name(&devfreq->dev))
50	),
51
52	TP_fast_assign(
53		__entry->freq = devfreq->previous_freq;
54		__entry->busy_time = devfreq->last_status.busy_time;
55		__entry->total_time = devfreq->last_status.total_time;
56		__entry->polling_ms = devfreq->profile->polling_ms;
57		__assign_str(dev_name, dev_name(&devfreq->dev));
58	),
59
60	TP_printk("dev_name=%-30s freq=%-12lu polling_ms=%-3u load=%-2lu",
61		__get_str(dev_name), __entry->freq, __entry->polling_ms,
62		__entry->total_time == 0 ? 0 :
63			(100 * __entry->busy_time) / __entry->total_time)
64);
65#endif /* _TRACE_DEVFREQ_H */
66
67/* This part must be outside protection */
68#include <trace/define_trace.h>
69