ceph/src/seastar/dpdk/examples/performance-thread/common/lthread_diag.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015 Intel Corporation
   3  */
   4
   5 #ifndef LTHREAD_DIAG_H_
   6 #define LTHREAD_DIAG_H_
   7
   8 #ifdef __cplusplus
   9 extern "C" {
  10 #endif
  11
  12 #include <stdint.h>
  13 #include <inttypes.h>
  14
  15 #include <rte_log.h>
  16 #include <rte_common.h>
  17
  18 #include "lthread_api.h"
  19 #include "lthread_diag_api.h"
  20
  21 extern diag_callback diag_cb;
  22
  23 extern const char *diag_event_text[];
  24 extern uint64_t diag_mask;
  25
  26 /* max size of name strings */
  27 #define LT_MAX_NAME_SIZE 64
  28
  29 #if LTHREAD_DIAG
  30 #define DISPLAY_OBJCACHE_QUEUES 1
  31
  32 /*
  33  * Generate a diagnostic trace or event in the case where an object is created.
  34  *
  35  * The value returned by the callback is stored in the object.
  36  *
  37  * @ param obj
  38  *  pointer to the object that was created
  39  * @ param ev
  40  *  the event code
  41  *
  42  */
  43 #define DIAG_CREATE_EVENT(obj, ev) do {                                 \
  44         struct lthread *ct = RTE_PER_LCORE(this_sched)->current_lthread;\
  45         if ((BIT(ev) & diag_mask) && (ev < LT_DIAG_EVENT_MAX)) {        \
  46                 (obj)->diag_ref = (diag_cb)(rte_rdtsc(),                \
  47                                         ct,                             \
  48                                         (ev),                           \
  49                                         0,                              \
  50                                         diag_event_text[(ev)],          \
  51                                         (uint64_t)obj,                  \
  52                                         0);                             \
  53         }                                                               \
  54 } while (0)
  55
  56 /*
  57  * Generate a diagnostic trace event.
  58  *
  59  * @ param obj
  60  *  pointer to the lthread, cond or mutex object
  61  * @ param ev
  62  *  the event code
  63  * @ param p1
  64  *  object specific value ( see lthread_diag_api.h )
  65  * @ param p2
  66  *  object specific value ( see lthread_diag_api.h )
  67  */
  68 #define DIAG_EVENT(obj, ev, p1, p2) do {                                \
  69         struct lthread *ct = RTE_PER_LCORE(this_sched)->current_lthread;\
  70         if ((BIT(ev) & diag_mask) && (ev < LT_DIAG_EVENT_MAX)) {        \
  71                 (diag_cb)(rte_rdtsc(),                                  \
  72                                 ct,                                     \
  73                                 ev,                                     \
  74                                 (obj)->diag_ref,                        \
  75                                 diag_event_text[(ev)],                  \
  76                                 (uint64_t)(p1),                         \
  77                                 (uint64_t)(p2));                        \
  78         }                                                               \
  79 } while (0)
  80
  81 #define DIAG_COUNT_DEFINE(x) rte_atomic64_t count_##x
  82 #define DIAG_COUNT_INIT(o, x) rte_atomic64_init(&((o)->count_##x))
  83 #define DIAG_COUNT_INC(o, x) rte_atomic64_inc(&((o)->count_##x))
  84 #define DIAG_COUNT_DEC(o, x) rte_atomic64_dec(&((o)->count_##x))
  85 #define DIAG_COUNT(o, x) rte_atomic64_read(&((o)->count_##x))
  86
  87 #define DIAG_USED
  88
  89 #else
  90
  91 /* no diagnostics configured */
  92
  93 #define DISPLAY_OBJCACHE_QUEUES 0
  94
  95 #define DIAG_CREATE_EVENT(obj, ev)
  96 #define DIAG_EVENT(obj, ev, p1, p)
  97
  98 #define DIAG_COUNT_DEFINE(x)
  99 #define DIAG_COUNT_INIT(o, x) do {} while (0)
 100 #define DIAG_COUNT_INC(o, x) do {} while (0)
 101 #define DIAG_COUNT_DEC(o, x) do {} while (0)
 102 #define DIAG_COUNT(o, x) 0
 103
 104 #define DIAG_USED __rte_unused
 105
 106 #endif                          /* LTHREAD_DIAG */
 107
 108 #ifdef __cplusplus
 109 }
 110 #endif
 111
 112 #endif                          /* LTHREAD_DIAG_H_ */