1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2015 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef LTHREAD_DIAG_H_ 35 #define LTHREAD_DIAG_H_ 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 #include <stdint.h> 42 #include <inttypes.h> 43 44 #include <rte_log.h> 45 #include <rte_common.h> 46 47 #include "lthread_api.h" 48 #include "lthread_diag_api.h" 49 50 extern diag_callback diag_cb; 51 52 extern const char *diag_event_text[]; 53 extern uint64_t diag_mask; 54 55 /* max size of name strings */ 56 #define LT_MAX_NAME_SIZE 64 57 58 #if LTHREAD_DIAG 59 #define DISPLAY_OBJCACHE_QUEUES 1 60 61 /* 62 * Generate a diagnostic trace or event in the case where an object is created. 63 * 64 * The value returned by the callback is stored in the object. 65 * 66 * @ param obj 67 * pointer to the object that was created 68 * @ param ev 69 * the event code 70 * 71 */ 72 #define DIAG_CREATE_EVENT(obj, ev) do { \ 73 struct lthread *ct = RTE_PER_LCORE(this_sched)->current_lthread;\ 74 if ((BIT(ev) & diag_mask) && (ev < LT_DIAG_EVENT_MAX)) { \ 75 (obj)->diag_ref = (diag_cb)(rte_rdtsc(), \ 76 ct, \ 77 (ev), \ 78 0, \ 79 diag_event_text[(ev)], \ 80 (uint64_t)obj, \ 81 0); \ 82 } \ 83 } while (0) 84 85 /* 86 * Generate a diagnostic trace event. 87 * 88 * @ param obj 89 * pointer to the lthread, cond or mutex object 90 * @ param ev 91 * the event code 92 * @ param p1 93 * object specific value ( see lthread_diag_api.h ) 94 * @ param p2 95 * object specific value ( see lthread_diag_api.h ) 96 */ 97 #define DIAG_EVENT(obj, ev, p1, p2) do { \ 98 struct lthread *ct = RTE_PER_LCORE(this_sched)->current_lthread;\ 99 if ((BIT(ev) & diag_mask) && (ev < LT_DIAG_EVENT_MAX)) { \ 100 (diag_cb)(rte_rdtsc(), \ 101 ct, \ 102 ev, \ 103 (obj)->diag_ref, \ 104 diag_event_text[(ev)], \ 105 (uint64_t)(p1), \ 106 (uint64_t)(p2)); \ 107 } \ 108 } while (0) 109 110 #define DIAG_COUNT_DEFINE(x) rte_atomic64_t count_##x 111 #define DIAG_COUNT_INIT(o, x) rte_atomic64_init(&((o)->count_##x)) 112 #define DIAG_COUNT_INC(o, x) rte_atomic64_inc(&((o)->count_##x)) 113 #define DIAG_COUNT_DEC(o, x) rte_atomic64_dec(&((o)->count_##x)) 114 #define DIAG_COUNT(o, x) rte_atomic64_read(&((o)->count_##x)) 115 116 #define DIAG_USED 117 118 #else 119 120 /* no diagnostics configured */ 121 122 #define DISPLAY_OBJCACHE_QUEUES 0 123 124 #define DIAG_CREATE_EVENT(obj, ev) 125 #define DIAG_EVENT(obj, ev, p1, p) 126 127 #define DIAG_COUNT_DEFINE(x) 128 #define DIAG_COUNT_INIT(o, x) do {} while (0) 129 #define DIAG_COUNT_INC(o, x) do {} while (0) 130 #define DIAG_COUNT_DEC(o, x) do {} while (0) 131 #define DIAG_COUNT(o, x) 0 132 133 #define DIAG_USED __rte_unused 134 135 #endif /* LTHREAD_DIAG */ 136 137 #ifdef __cplusplus 138 } 139 #endif 140 141 #endif /* LTHREAD_DIAG_H_ */ 142