dp_hist.h 2.1 KB

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  1. /*
  2. * Copyright (c) 2020 The Linux Foundation. All rights reserved.
  3. * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
  4. *
  5. * Permission to use, copy, modify, and/or distribute this software for
  6. * any purpose with or without fee is hereby granted, provided that the
  7. * above copyright notice and this permission notice appear in all
  8. * copies.
  9. *
  10. * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
  11. * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
  12. * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
  13. * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  14. * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
  15. * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  16. * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17. * PERFORMANCE OF THIS SOFTWARE.
  18. */
  19. /**
  20. * DOC: dp_hist.h
  21. * histogram header file
  22. */
  23. #ifndef __DP_HIST_H_
  24. #define __DP_HIST_H_
  25. #define HIST_AVG_WEIGHT_DENOM 4
  26. /**
  27. * dp_hist_update_stats() - Update histogram stats
  28. * @hist_stats: Delay histogram
  29. * @value: Delay value
  30. *
  31. * Return: void
  32. */
  33. void dp_hist_update_stats(struct cdp_hist_stats *hist_stats, int value);
  34. /**
  35. * dp_hist_init() - Initialize the histogram object
  36. * @hist_stats: Hist stats object
  37. * @hist_type: Histogram type
  38. */
  39. void dp_hist_init(struct cdp_hist_stats *hist_stats,
  40. enum cdp_hist_types hist_type);
  41. /**
  42. * dp_accumulate_hist_stats() - Accumulate the hist src to dst
  43. * @src_hist_stats: Source histogram stats
  44. * @dst_hist_stats: Destination histogram stats
  45. *
  46. * Return: void
  47. */
  48. void dp_accumulate_hist_stats(struct cdp_hist_stats *src_hist_stats,
  49. struct cdp_hist_stats *dst_hist_stats);
  50. /**
  51. * dp_copy_hist_stats() - Copy the histogram stats
  52. * @src_hist_stats: Source histogram stats
  53. * @dst_hist_stats: Destination histogram stats
  54. *
  55. * Return: void
  56. */
  57. void dp_copy_hist_stats(struct cdp_hist_stats *src_hist_stats,
  58. struct cdp_hist_stats *dst_hist_stats);
  59. const char *dp_hist_tx_hw_delay_str(uint8_t index);
  60. const char *dp_hist_delay_percentile_str(uint8_t index);
  61. #endif /* __DP_HIST_H_ */