96a1be4fcb
A new framework added to calculate the per packet level histogram Change-Id: Iac52f7a672fa2afe1d6aec26931a8bc3115c6a98
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*
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* Copyright (c) 2020 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/**
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* @file cdp_txrx_hist_struct.h
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* @brief Define the host data path histogram data types
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*/
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#ifndef _CDP_TXRX_HIST_STRUCT_H_
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#define _CDP_TXRX_HIST_STRUCT_H_
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/*
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* cdp_hist_bucket_index : Histogram Bucket
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* @CDP_HIST_BUCKET_0: Bucket Index 0
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* @CDP_HIST_BUCKET_1: Bucket Index 1
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* @CDP_HIST_BUCKET_2: Bucket Index 2
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* @CDP_HIST_BUCKET_3: Bucket Index 3
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* @CDP_HIST_BUCKET_4: Bucket Index 4
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* @CDP_HIST_BUCKET_5: Bucket Index 5
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* @CDP_HIST_BUCKET_6: Bucket Index 6
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* @CDP_HIST_BUCKET_7: Bucket Index 7
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* @CDP_HIST_BUCKET_8: Bucket Index 8
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* @CDP_HIST_BUCKET_9: Bucket Index 9
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*/
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enum cdp_hist_bucket_index {
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CDP_HIST_BUCKET_0,
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CDP_HIST_BUCKET_1,
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CDP_HIST_BUCKET_2,
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CDP_HIST_BUCKET_3,
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CDP_HIST_BUCKET_4,
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CDP_HIST_BUCKET_5,
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CDP_HIST_BUCKET_6,
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CDP_HIST_BUCKET_7,
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CDP_HIST_BUCKET_8,
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CDP_HIST_BUCKET_9,
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CDP_HIST_BUCKET_MAX,
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};
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/*
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* cdp_hist_types: Histogram Types
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* @CDP_HIST_TYPE_SW_ENQEUE_DELAY: From stack to HW enqueue delay
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* @CDP_HIST_TYPE_HW_COMP_DELAY: From HW enqueue to completion delay
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* @CDP_HIST_TYPE_REAP_STACK: Rx HW reap to stack deliver delay
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*/
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enum cdp_hist_types {
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CDP_HIST_TYPE_SW_ENQEUE_DELAY,
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CDP_HIST_TYPE_HW_COMP_DELAY,
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CDP_HIST_TYPE_REAP_STACK,
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CDP_HIST_TYPE_MAX,
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};
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/*
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* cdp_hist_bucket: Histogram Bucket
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* @hist_type: Histogram type
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* @freq: Frequency
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*/
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struct cdp_hist_bucket {
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enum cdp_hist_types hist_type;
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uint64_t freq[CDP_HIST_BUCKET_MAX];
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};
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/*
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* cdp_hist_stats : Histogram of a stats type
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* @hist: Frequency distribution
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* @max: Max frequency
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* @min: Minimum frequency
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* @avg: Average frequency
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*/
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struct cdp_hist_stats {
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struct cdp_hist_bucket hist;
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int max;
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int min;
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int avg;
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};
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#endif /* _CDP_TXRX_HIST_STRUCT_H_ */
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