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 | |
11 | TRACE_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 | |
39 | TRACE_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 | |