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 #include <stdint.h> 38 #include <inttypes.h> 39 40 #include <rte_log.h> 41 #include <rte_common.h> 42 43 #include "lthread_api.h" 44 #include "lthread_diag_api.h" 45 46 extern diag_callback diag_cb; 47 48 extern const char *diag_event_text[]; 49 extern uint64_t diag_mask; 50 51 /* max size of name strings */ 52 #define LT_MAX_NAME_SIZE 64 53 54 #if LTHREAD_DIAG 55 #define DISPLAY_OBJCACHE_QUEUES 1 56 57 /* 58 * Generate a diagnostic trace or event in the case where an object is created. 59 * 60 * The value returned by the callback is stored in the object. 61 * 62 * @ param obj 63 * pointer to the object that was created 64 * @ param ev 65 * the event code 66 * 67 */ 68 #define DIAG_CREATE_EVENT(obj, ev) do { \ 69 struct lthread *ct = RTE_PER_LCORE(this_sched)->current_lthread;\ 70 if ((BIT(ev) & diag_mask) && (ev < LT_DIAG_EVENT_MAX)) { \ 71 (obj)->diag_ref = (diag_cb)(rte_rdtsc(), \ 72 ct, \ 73 (ev), \ 74 0, \ 75 diag_event_text[(ev)], \ 76 (uint64_t)obj, \ 77 0); \ 78 } \ 79 } while (0) 80 81 /* 82 * Generate a diagnostic trace event. 83 * 84 * @ param obj 85 * pointer to the lthread, cond or mutex object 86 * @ param ev 87 * the event code 88 * @ param p1 89 * object specific value ( see lthread_diag_api.h ) 90 * @ param p2 91 * object specific value ( see lthread_diag_api.h ) 92 */ 93 #define DIAG_EVENT(obj, ev, p1, p2) do { \ 94 struct lthread *ct = RTE_PER_LCORE(this_sched)->current_lthread;\ 95 if ((BIT(ev) & diag_mask) && (ev < LT_DIAG_EVENT_MAX)) { \ 96 (diag_cb)(rte_rdtsc(), \ 97 ct, \ 98 ev, \ 99 (obj)->diag_ref, \ 100 diag_event_text[(ev)], \ 101 (uint64_t)(p1), \ 102 (uint64_t)(p2)); \ 103 } \ 104 } while (0) 105 106 #define DIAG_COUNT_DEFINE(x) rte_atomic64_t count_##x 107 #define DIAG_COUNT_INIT(o, x) rte_atomic64_init(&((o)->count_##x)) 108 #define DIAG_COUNT_INC(o, x) rte_atomic64_inc(&((o)->count_##x)) 109 #define DIAG_COUNT_DEC(o, x) rte_atomic64_dec(&((o)->count_##x)) 110 #define DIAG_COUNT(o, x) rte_atomic64_read(&((o)->count_##x)) 111 112 #define DIAG_USED 113 114 #else 115 116 /* no diagnostics configured */ 117 118 #define DISPLAY_OBJCACHE_QUEUES 0 119 120 #define DIAG_CREATE_EVENT(obj, ev) 121 #define DIAG_EVENT(obj, ev, p1, p) 122 123 #define DIAG_COUNT_DEFINE(x) 124 #define DIAG_COUNT_INIT(o, x) do {} while (0) 125 #define DIAG_COUNT_INC(o, x) do {} while (0) 126 #define DIAG_COUNT_DEC(o, x) do {} while (0) 127 #define DIAG_COUNT(o, x) 0 128 129 #define DIAG_USED __rte_unused 130 131 #endif /* LTHREAD_DIAG */ 132 #endif /* LTHREAD_DIAG_H_ */ 133