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_monitor,
12	TP_PROTO(struct devfreq *devfreq),
13
14	TP_ARGS(devfreq),
15
16	TP_STRUCT__entry(
17		__field(unsigned long, freq)
18		__field(unsigned long, busy_time)
19		__field(unsigned long, total_time)
20		__field(unsigned int, polling_ms)
21		__string(dev_name, dev_name(&devfreq->dev))
22	),
23
24	TP_fast_assign(
25		__entry->freq = devfreq->previous_freq;
26		__entry->busy_time = devfreq->last_status.busy_time;
27		__entry->total_time = devfreq->last_status.total_time;
28		__entry->polling_ms = devfreq->profile->polling_ms;
29		__assign_str(dev_name, dev_name(&devfreq->dev));
30	),
31
32	TP_printk("dev_name=%s freq=%lu polling_ms=%u load=%lu",
33		__get_str(dev_name), __entry->freq, __entry->polling_ms,
34		__entry->total_time == 0 ? 0 :
35			(100 * __entry->busy_time) / __entry->total_time)
36);
37#endif /* _TRACE_DEVFREQ_H */
38
39/* This part must be outside protection */
40#include <trace/define_trace.h>