qcacmn: Add histogram framework for DP path
A new framework added to calculate the per packet level histogram Change-Id: Iac52f7a672fa2afe1d6aec26931a8bc3115c6a98
This commit is contained in:
Aniruddha Paul
89
dp/inc/cdp_txrx_hist_struct.h
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89
dp/inc/cdp_txrx_hist_struct.h
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@@ -0,0 +1,89 @@
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/*
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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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@@ -25,6 +25,7 @@
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#define _CDP_TXRX_STATS_STRUCT_H_
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#include <qdf_types.h>
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#include <cdp_txrx_hist_struct.h>
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#define TXRX_STATS_LEVEL_OFF 0
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#define TXRX_STATS_LEVEL_BASIC 1
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@@ -76,6 +77,11 @@
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#define CDP_MAX_TX_TQM_STATUS 9 /* max tx tqm completion status */
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#define CDP_MAX_TX_HTT_STATUS 7 /* max tx htt completion status */
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/*
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* Max of TxRx context
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*/
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#define CDP_MAX_TXRX_CTX CDP_MAX_RX_RINGS
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/* TID level VoW stats macros
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* to add and get stats
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*/
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@@ -509,6 +515,45 @@ struct cdp_tid_stats {
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[CDP_MAX_DATA_TIDS];
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};
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/*
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* struct cdp_delay_tx_stats: Tx delay stats
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* @tx_swq_delay: software enqueue delay
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* @hwtx_delay: HW enque to completion delay
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*/
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struct cdp_delay_tx_stats {
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struct cdp_hist_stats tx_swq_delay;
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struct cdp_hist_stats hwtx_delay;
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};
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/*
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* struct cdp_delay_rx_stats: Rx delay stats
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* @to_stack_delay: To stack delay
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*/
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struct cdp_delay_rx_stats {
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struct cdp_hist_stats to_stack_delay;
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};
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/*
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* struct cdp_delay_tid_stats: Delay tid stats
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* @tx_delay: Tx delay related stats
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* @rx_delay: Rx delay related stats
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*/
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struct cdp_delay_tid_stats {
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struct cdp_delay_tx_stats tx_delay;
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struct cdp_delay_rx_stats rx_delay;
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};
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/*
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* cdp_peer_ext_stats: Peer extended stats
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* @delay_stats: Per TID delay stats
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*/
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struct cdp_peer_ext_stats {
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struct cdp_delay_tid_stats delay_stats[CDP_MAX_DATA_TIDS]
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[CDP_MAX_TXRX_CTX];
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/*Customer can add MSDU level Tx/Rx stats */
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};
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/* struct cdp_pkt_info - packet info
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* @num: no of packets
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* @bytes: total no of bytes
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176
dp/wifi3.0/dp_hist.c
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176
dp/wifi3.0/dp_hist.c
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@@ -0,0 +1,176 @@
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/*
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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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#include <qdf_util.h>
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#include <qdf_mem.h>
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#include <cdp_txrx_hist_struct.h>
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#include "dp_hist.h"
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/*
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* dp_hist_sw_enq_dbucket: Sofware enqueue delay bucket in ms
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* @index_0 = 0_1 ms
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* @index_1 = 1_2 ms
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* @index_2 = 2_3 ms
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* @index_3 = 3_4 ms
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* @index_4 = 4_5 ms
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* @index_5 = 5_6 ms
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* @index_6 = 6_7 ms
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* @index_7 = 7_8 ms
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* @index_8 = 8_9 ms
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* @index_8 = 9+ ms
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*/
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static uint16_t dp_hist_sw_enq_dbucket[CDP_HIST_BUCKET_MAX] = {
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
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/*
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* cdp_hist_fw2hw_dbucket: HW enqueue to Completion Delay
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* @index_0 = 0_10 ms
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* @index_1 = 10_20 ms
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* @index_2 = 20_30ms
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* @index_3 = 30_40 ms
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* @index_4 = 40_50 ms
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* @index_5 = 50_60 ms
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* @index_6 = 60_70 ms
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* @index_7 = 70_80 ms
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* @index_8 = 80_90 ms
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* @index_9 = 90+ ms
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*/
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static uint16_t dp_hist_fw2hw_dbucket[CDP_HIST_BUCKET_MAX] = {
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0, 10, 20, 30, 40, 50, 60, 70, 80, 90};
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/*
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* dp_hist_reap2stack_bucket: Reap to stack bucket
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* @index_0 = 0_5 ms
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* @index_1 = 5_10 ms
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* @index_2 = 10_15 ms
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* @index_3 = 15_20 ms
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* @index_4 = 20_25 ms
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* @index_5 = 25_30 ms
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* @index_6 = 30_35 ms
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* @index_7 = 35_40 ms
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* @index_8 = 40_45 ms
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* @index_9 = 45+ ms
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*/
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static uint16_t dp_hist_reap2stack_bucket[CDP_HIST_BUCKET_MAX] = {
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0, 5, 10, 15, 20, 25, 30, 35, 40, 45};
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/*
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* dp_hist_find_bucket_idx: Find the bucket index
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* @bucket_array: Bucket array
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* @value: Frequency value
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*
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* Return: The bucket index
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*/
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static int dp_hist_find_bucket_idx(int16_t *bucket_array, int value)
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{
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uint8_t idx = CDP_HIST_BUCKET_0;
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for (; idx < (CDP_HIST_BUCKET_MAX - 1); idx++) {
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if (value < bucket_array[idx + 1])
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break;
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}
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return idx;
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}
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/*
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* dp_hist_fill_buckets: Fill the histogram frequency buckets
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* @hist_bucket: Histogram bukcets
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* @value: Frequency value
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*
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* Return: void
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*/
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static void dp_hist_fill_buckets(struct cdp_hist_bucket *hist_bucket, int value)
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{
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enum cdp_hist_types hist_type;
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int idx = CDP_HIST_BUCKET_MAX;
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if (qdf_unlikely(!hist_bucket))
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return;
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hist_type = hist_bucket->hist_type;
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/* Identify the bucket the bucket and update. */
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switch (hist_type) {
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case CDP_HIST_TYPE_SW_ENQEUE_DELAY:
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idx = dp_hist_find_bucket_idx(&dp_hist_sw_enq_dbucket[0],
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value);
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break;
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case CDP_HIST_TYPE_HW_COMP_DELAY:
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idx = dp_hist_find_bucket_idx(&dp_hist_fw2hw_dbucket[0],
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value);
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break;
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case CDP_HIST_TYPE_REAP_STACK:
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idx = dp_hist_find_bucket_idx(
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&dp_hist_reap2stack_bucket[0], value);
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break;
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default:
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break;
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}
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if (idx == CDP_HIST_BUCKET_MAX)
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return;
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hist_bucket->freq[idx]++;
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}
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/*
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* dp_hist_update_stats: Update histogram stats
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* @hist_stats: Hist stats object
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* @value: Delay value
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*
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* Return: void
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*/
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void dp_hist_update_stats(struct cdp_hist_stats *hist_stats, int value)
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{
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if (qdf_unlikely(!hist_stats))
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return;
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/*
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* Fill the histogram buckets according to the delay
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*/
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dp_hist_fill_buckets(&hist_stats->hist, value);
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/*
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* Compute the min, max and average. Average computed is weighted
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* average
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*/
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if (value < hist_stats->min)
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hist_stats->min = value;
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if (value > hist_stats->max)
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hist_stats->max = value;
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if (qdf_unlikely(!hist_stats->avg))
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hist_stats->avg = value;
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else
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hist_stats->avg = hist_stats->avg +
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((value - hist_stats->avg) >> HIST_AVG_WEIGHT_DENOM);
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}
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/*
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* dp_hist_init(): Initialize the histogram object
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* @hist_stats: Hist stats object
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* @hist_type: Histogram type
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*/
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void dp_hist_init(struct cdp_hist_stats *hist_stats,
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enum cdp_hist_types hist_type)
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{
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qdf_mem_zero(hist_stats, sizeof(*hist_stats));
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hist_stats->hist.hist_type = hist_type;
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}
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40
dp/wifi3.0/dp_hist.h
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40
dp/wifi3.0/dp_hist.h
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@@ -0,0 +1,40 @@
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/*
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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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||||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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||||
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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||||
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
|
||||
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
|
||||
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
||||
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
||||
* PERFORMANCE OF THIS SOFTWARE.
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||||
*/
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/**
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* @file dp_hist.h
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* @brief: histogram header file
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*/
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#ifndef __DP_HIST_H_
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#define __DP_HIST_H_
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#define HIST_AVG_WEIGHT_DENOM 4
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/*
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* dp_hist_update_stats: Update histogram stats
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* @hist_delay: Delay histogram
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* @value: Delay value
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*
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* Return: void
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*/
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void dp_hist_update_stats(struct cdp_hist_stats *hist_stats, int value);
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void dp_hist_init(struct cdp_hist_stats *hist_stats,
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enum cdp_hist_types hist_type);
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#endif /* __DP_HIST_H_ */
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@@ -2275,6 +2275,9 @@ struct dp_peer {
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/* Peer Stats */
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struct cdp_peer_stats stats;
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/* Peer extended stats */
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struct cdp_peer_ext_stats *pext_stats;
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TAILQ_HEAD(, dp_ast_entry) ast_entry_list;
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/* TBD */
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