1 /* 2 * Copyright (c) 2016 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /** 20 * DOC: i_qdf_perf 21 * This file provides OS dependent perf API's. 22 */ 23 24 #ifndef _I_QDF_PERF_H 25 #define _I_QDF_PERF_H 26 27 #ifdef QCA_PERF_PROFILING 28 29 #if (QCA_MIPS74K_PERF_PROFILING || QCA_MIPS24KK_PERF_PROFILING) 30 #include <qdf_mips_perf_pvt.h> 31 #endif 32 33 /* #defines required for structures */ 34 #define MAX_SAMPLES_SHIFT 5 /* change this only*/ 35 #define MAX_SAMPLES (1 << MAX_SAMPLES_SHIFT) 36 #define INC_SAMPLES(x) ((x + 1) & (MAX_SAMPLES - 1)) 37 #define MAX_SAMPLE_SZ (sizeof(uint32_t) * MAX_SAMPLES) 38 #define PER_SAMPLE_SZ sizeof(uint32_t) 39 40 /** 41 * typedef qdf_perf_entry_t - performance entry 42 * @list: pointer to next 43 * @child: pointer tochild 44 * @parent: pointer to top 45 * @type: perf cntr 46 * @name: string 47 * @proc: pointer to proc entry 48 * @start_tsc: array at start tsc 49 * @end_tsc: array at ent tsc 50 * @samples: array of samples 51 * @sample_idx: sample index 52 * @lock_irq: lock irq 53 */ 54 typedef struct qdf_os_perf_entry { 55 struct list_head list; 56 struct list_head child; 57 58 struct qdf_perf_entry *parent; 59 60 qdf_perf_cntr_t type; 61 uint8_t *name; 62 63 struct proc_dir_entry *proc; 64 65 uint64_t start_tsc[MAX_SAMPLES]; 66 uint64_t end_tsc[MAX_SAMPLES]; 67 68 uint32_t samples[MAX_SAMPLES]; 69 uint32_t sample_idx; 70 71 spinlock_t lock_irq; 72 73 } qdf_perf_entry_t; 74 75 /* typedefs */ 76 typedef void *__qdf_perf_id_t; 77 78 #endif /* QCA_PERF_PROFILING */ 79 #endif /* _I_QDF_PERF_H */ 80