projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| a58c490f JG |
1 | /* |
| 2 | * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
| 3 | * | |
| 4 | * This library is free software; you can redistribute it and/or modify it | |
| 5 | * under the terms of the GNU Lesser General Public License, version 2.1 only, | |
| 6 | * as published by the Free Software Foundation. | |
| 7 | * | |
| 8 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
| 11 | * for more details. | |
| 12 | * | |
| 13 | * You should have received a copy of the GNU Lesser General Public License | |
| 14 | * along with this library; if not, write to the Free Software Foundation, | |
| 15 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 16 | */ | |
| 17 | ||
| 18 | #ifndef LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H | |
| 19 | #define LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H | |
| 20 | ||
| 21 | #include <lttng/condition/buffer-usage.h> | |
| 22 | #include <lttng/condition/condition-internal.h> | |
| 23 | #include <lttng/condition/evaluation-internal.h> | |
| 24 | #include <lttng/domain.h> | |
| 25 | #include "common/buffer-view.h" | |
| aa52c986 | 26 | #include <common/macros.h> |
| a58c490f JG |
27 | |
| 28 | struct lttng_condition_buffer_usage { | |
| 29 | struct lttng_condition parent; | |
| 30 | struct { | |
| 31 | bool set; | |
| 32 | uint64_t value; | |
| 33 | } threshold_bytes; | |
| 34 | struct { | |
| 35 | bool set; | |
| 36 | double value; | |
| 37 | } threshold_ratio; | |
| 38 | char *session_name; | |
| 39 | char *channel_name; | |
| 40 | struct { | |
| 41 | bool set; | |
| 42 | enum lttng_domain_type type; | |
| 43 | } domain; | |
| 44 | }; | |
| 45 | ||
| 46 | struct lttng_condition_buffer_usage_comm { | |
| 47 | uint8_t threshold_set_in_bytes; | |
| 48 | /* | |
| 49 | * Expressed in bytes if "threshold_set_in_bytes" is not 0. | |
| 50 | * Otherwise, it is expressed a ratio in the interval [0.0, 1.0] | |
| 51 | * that is mapped to the range on a 32-bit unsigned integer. | |
| 52 | * The ratio is obtained by (threshold / UINT32_MAX). | |
| 53 | */ | |
| 54 | uint32_t threshold; | |
| 55 | /* Both lengths include the trailing \0. */ | |
| 56 | uint32_t session_name_len; | |
| 57 | uint32_t channel_name_len; | |
| 58 | /* enum lttng_domain_type */ | |
| 59 | int8_t domain_type; | |
| 60 | /* session and channel names. */ | |
| 61 | char names[]; | |
| 62 | } LTTNG_PACKED; | |
| 63 | ||
| 64 | struct lttng_evaluation_buffer_usage { | |
| 65 | struct lttng_evaluation parent; | |
| 66 | uint64_t buffer_use; | |
| 67 | uint64_t buffer_capacity; | |
| 68 | }; | |
| 69 | ||
| 70 | struct lttng_evaluation_buffer_usage_comm { | |
| 71 | uint64_t buffer_use; | |
| 72 | uint64_t buffer_capacity; | |
| 73 | } LTTNG_PACKED; | |
| 74 | ||
| 75 | LTTNG_HIDDEN | |
| 76 | struct lttng_evaluation *lttng_evaluation_buffer_usage_create( | |
| 77 | enum lttng_condition_type type, uint64_t use, | |
| 78 | uint64_t capacity); | |
| 79 | ||
| 80 | LTTNG_HIDDEN | |
| 81 | ssize_t lttng_condition_buffer_usage_low_create_from_buffer( | |
| 82 | const struct lttng_buffer_view *view, | |
| 83 | struct lttng_condition **condition); | |
| 84 | ||
| 85 | LTTNG_HIDDEN | |
| 86 | ssize_t lttng_condition_buffer_usage_high_create_from_buffer( | |
| 87 | const struct lttng_buffer_view *view, | |
| 88 | struct lttng_condition **condition); | |
| 89 | ||
| 90 | LTTNG_HIDDEN | |
| 91 | ssize_t lttng_evaluation_buffer_usage_low_create_from_buffer( | |
| 92 | const struct lttng_buffer_view *view, | |
| 93 | struct lttng_evaluation **evaluation); | |
| 94 | ||
| 95 | LTTNG_HIDDEN | |
| 96 | ssize_t lttng_evaluation_buffer_usage_high_create_from_buffer( | |
| 97 | const struct lttng_buffer_view *view, | |
| 98 | struct lttng_evaluation **evaluation); | |
| 99 | ||
| 100 | #endif /* LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H */ |