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 /** 21 * DOC: dp_hist.h 22 * histogram header file 23 */ 24 25 #ifndef __DP_HIST_H_ 26 #define __DP_HIST_H_ 27 28 #define HIST_AVG_WEIGHT_DENOM 4 29 30 /** 31 * dp_hist_update_stats() - Update histogram stats 32 * @hist_stats: Delay histogram 33 * @value: Delay value 34 * 35 * Return: void 36 */ 37 void dp_hist_update_stats(struct cdp_hist_stats *hist_stats, int value); 38 39 /** 40 * dp_hist_init() - Initialize the histogram object 41 * @hist_stats: Hist stats object 42 * @hist_type: Histogram type 43 */ 44 void dp_hist_init(struct cdp_hist_stats *hist_stats, 45 enum cdp_hist_types hist_type); 46 47 /** 48 * dp_accumulate_hist_stats() - Accumulate the hist src to dst 49 * @src_hist_stats: Source histogram stats 50 * @dst_hist_stats: Destination histogram stats 51 * 52 * Return: void 53 */ 54 void dp_accumulate_hist_stats(struct cdp_hist_stats *src_hist_stats, 55 struct cdp_hist_stats *dst_hist_stats); 56 57 /** 58 * dp_copy_hist_stats() - Copy the histogram stats 59 * @src_hist_stats: Source histogram stats 60 * @dst_hist_stats: Destination histogram stats 61 * 62 * Return: void 63 */ 64 void dp_copy_hist_stats(struct cdp_hist_stats *src_hist_stats, 65 struct cdp_hist_stats *dst_hist_stats); 66 67 const char *dp_hist_tx_hw_delay_str(uint8_t index); 68 const char *dp_hist_delay_percentile_str(uint8_t index); 69 #endif /* __DP_HIST_H_ */ 70