devfreq.h 1.9 KB

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