kyber.h 2.3 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #undef TRACE_SYSTEM
  3. #define TRACE_SYSTEM kyber
  4. #if !defined(_TRACE_KYBER_H) || defined(TRACE_HEADER_MULTI_READ)
  5. #define _TRACE_KYBER_H
  6. #include <linux/blkdev.h>
  7. #include <linux/tracepoint.h>
  8. #define DOMAIN_LEN 16
  9. #define LATENCY_TYPE_LEN 8
  10. TRACE_EVENT(kyber_latency,
  11. TP_PROTO(dev_t dev, const char *domain, const char *type,
  12. unsigned int percentile, unsigned int numerator,
  13. unsigned int denominator, unsigned int samples),
  14. TP_ARGS(dev, domain, type, percentile, numerator, denominator, samples),
  15. TP_STRUCT__entry(
  16. __field( dev_t, dev )
  17. __array( char, domain, DOMAIN_LEN )
  18. __array( char, type, LATENCY_TYPE_LEN )
  19. __field( u8, percentile )
  20. __field( u8, numerator )
  21. __field( u8, denominator )
  22. __field( unsigned int, samples )
  23. ),
  24. TP_fast_assign(
  25. __entry->dev = dev;
  26. strscpy(__entry->domain, domain, sizeof(__entry->domain));
  27. strscpy(__entry->type, type, sizeof(__entry->type));
  28. __entry->percentile = percentile;
  29. __entry->numerator = numerator;
  30. __entry->denominator = denominator;
  31. __entry->samples = samples;
  32. ),
  33. TP_printk("%d,%d %s %s p%u %u/%u samples=%u",
  34. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->domain,
  35. __entry->type, __entry->percentile, __entry->numerator,
  36. __entry->denominator, __entry->samples)
  37. );
  38. TRACE_EVENT(kyber_adjust,
  39. TP_PROTO(dev_t dev, const char *domain, unsigned int depth),
  40. TP_ARGS(dev, domain, depth),
  41. TP_STRUCT__entry(
  42. __field( dev_t, dev )
  43. __array( char, domain, DOMAIN_LEN )
  44. __field( unsigned int, depth )
  45. ),
  46. TP_fast_assign(
  47. __entry->dev = dev;
  48. strscpy(__entry->domain, domain, sizeof(__entry->domain));
  49. __entry->depth = depth;
  50. ),
  51. TP_printk("%d,%d %s %u",
  52. MAJOR(__entry->dev), MINOR(__entry->dev), __entry->domain,
  53. __entry->depth)
  54. );
  55. TRACE_EVENT(kyber_throttled,
  56. TP_PROTO(dev_t dev, const char *domain),
  57. TP_ARGS(dev, domain),
  58. TP_STRUCT__entry(
  59. __field( dev_t, dev )
  60. __array( char, domain, DOMAIN_LEN )
  61. ),
  62. TP_fast_assign(
  63. __entry->dev = dev;
  64. strscpy(__entry->domain, domain, sizeof(__entry->domain));
  65. ),
  66. TP_printk("%d,%d %s", MAJOR(__entry->dev), MINOR(__entry->dev),
  67. __entry->domain)
  68. );
  69. #define _TRACE_KYBER_H
  70. #endif /* _TRACE_KYBER_H */
  71. /* This part must be outside protection */
  72. #include <trace/define_trace.h>