LXR linux/include/trace/events/devfreq.h

   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