include/lttng/map/map-query-internal.h

   1 /*
   2  * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_MAP_QUERY_INTERNAL_H
   9 #define LTTNG_MAP_QUERY_INTERNAL_H
  10
  11 #include <stdint.h>
  12
  13 #include <common/payload.h>
  14 #include <common/payload-view.h>
  15
  16 #include <lttng/lttng.h>
  17 #include <lttng/map/map-query.h>
  18
  19 struct lttng_map_query {
  20         enum lttng_map_query_config_cpu config_cpu;
  21         enum lttng_map_query_config_buffer config_buffer;
  22         enum lttng_map_query_config_app_bitness config_bitness;
  23
  24         /*
  25          * Aggregate the values of all selected CPUs in a single table.
  26          */
  27         bool sum_by_cpu;
  28
  29         /*
  30          * Aggregate the values of all selected bitness in a single table.
  31          */
  32         bool sum_by_app_bitness;
  33
  34         /*
  35          * Aggregate the values of all selected uid or pid in a single table.
  36          */
  37         bool sum_by_uid;
  38         bool sum_by_pid;
  39
  40         char *key_filter;
  41         struct lttng_dynamic_array cpu_array;
  42         struct lttng_dynamic_array uid_array;
  43         struct lttng_dynamic_array pid_array;
  44 };
  45
  46 struct lttng_map_query_comm {
  47         uint32_t key_filter_length; /* Include '\0' */
  48
  49         uint8_t config_cpu;
  50         uint8_t config_buffer;
  51         uint8_t config_app_bitness;
  52
  53         uint8_t sum_by_cpu;
  54         uint8_t sum_by_app_bitness;
  55         uint8_t sum_by_uid;
  56         uint8_t sum_by_pid;
  57
  58         uint32_t cpu_count;
  59         uint32_t uid_count;
  60         uint32_t pid_count;
  61         /*
  62          * key_filter +
  63          * (cpu_count * int) + (uid_count * uid_t) + (pid_count * pid_t)
  64          */
  65         char payload[];
  66 } LTTNG_PACKED;
  67
  68 LTTNG_HIDDEN
  69 enum lttng_map_query_config_cpu lttng_map_query_get_config_cpu(
  70                 const struct lttng_map_query *query);
  71
  72 LTTNG_HIDDEN
  73 enum lttng_map_query_config_buffer lttng_map_query_get_config_buffer(
  74                 const struct lttng_map_query *query);
  75
  76 LTTNG_HIDDEN
  77 enum lttng_map_query_config_app_bitness lttng_map_query_get_config_app_bitness(
  78                 const struct lttng_map_query *query);
  79
  80 LTTNG_HIDDEN
  81 bool lttng_map_query_get_config_sum_by_cpu(
  82                 const struct lttng_map_query *query);
  83
  84 LTTNG_HIDDEN
  85 bool lttng_map_query_get_config_sum_by_pid(
  86                 const struct lttng_map_query *query);
  87
  88 LTTNG_HIDDEN
  89 bool lttng_map_query_get_config_sum_by_uid(
  90                 const struct lttng_map_query *query);
  91
  92 // Not supported yet.
  93 LTTNG_HIDDEN
  94 enum lttng_map_query_status lttng_map_query_set_sum_by_app_bitness(
  95                 struct lttng_map_query *query, bool sum_by_app_bitness);
  96
  97 // Not supported yet.
  98 LTTNG_HIDDEN
  99 enum lttng_map_query_status lttng_map_query_set_sum_by_uid(
 100                 struct lttng_map_query *query, bool sum_by_uid);
 101
 102 LTTNG_HIDDEN
 103 bool lttng_map_query_get_config_sum_by_app_bitness(
 104                 const struct lttng_map_query *query);
 105
 106 LTTNG_HIDDEN
 107 enum lttng_map_query_status lttng_map_query_get_cpu_count(
 108                 const struct lttng_map_query *query, unsigned int *count);
 109
 110 LTTNG_HIDDEN
 111 enum lttng_map_query_status lttng_map_query_get_uid_count(
 112                 const struct lttng_map_query *query, unsigned int *count);
 113
 114 LTTNG_HIDDEN
 115 enum lttng_map_query_status lttng_map_query_get_pid_count(
 116                 const struct lttng_map_query *query, unsigned int *count);
 117
 118 LTTNG_HIDDEN
 119 enum lttng_map_query_status lttng_map_query_get_cpu_at_index(
 120                 const struct lttng_map_query *query, unsigned int index,
 121                 int *cpu);
 122
 123 LTTNG_HIDDEN
 124 enum lttng_map_query_status lttng_map_query_get_uid_at_index(
 125                 const struct lttng_map_query *query, unsigned int index,
 126                 uid_t *uid);
 127
 128 LTTNG_HIDDEN
 129 enum lttng_map_query_status lttng_map_query_get_pid_at_index(
 130                 const struct lttng_map_query *query, unsigned int index,
 131                 pid_t *pid);
 132
 133 LTTNG_HIDDEN
 134 enum lttng_map_query_status lttng_map_query_get_key_filter(
 135                 const struct lttng_map_query *query, const char **key_filter);
 136
 137 LTTNG_HIDDEN
 138 ssize_t lttng_map_query_create_from_payload(struct lttng_payload_view *view,
 139                 struct lttng_map_query **query);
 140
 141 LTTNG_HIDDEN
 142 int lttng_map_query_serialize(const struct lttng_map_query *query,
 143                 struct lttng_payload *payload);
 144
 145 #endif /* LTTNG_MAP_QUERY_INTERNAL_H */