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
  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);
  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);
  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>