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