2 * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
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.
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
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
18 #ifndef LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H
19 #define LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H
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>
26 struct lttng_condition_buffer_usage
{
27 struct lttng_condition parent
;
40 enum lttng_domain_type type
;
44 struct lttng_condition_buffer_usage_comm
{
45 uint8_t threshold_set_in_bytes
;
47 * Expressed in bytes if "threshold_set_in_bytes" is not 0.
48 * Otherwise, it is expressed a ratio in the interval [0.0, 1.0]
49 * that is mapped to the range on a 64-bit unsigned integer.
50 * The ratio is obtained by (threshold / UINT64_MAX).
53 /* Both lengths include the trailing \0. */
54 uint32_t session_name_len
;
55 uint32_t channel_name_len
;
56 /* enum lttng_domain_type */
58 /* session and channel names. */
62 struct lttng_evaluation_buffer_usage
{
63 struct lttng_evaluation parent
;
65 uint64_t buffer_capacity
;
68 struct lttng_evaluation_buffer_usage_comm
{
70 uint64_t buffer_capacity
;
74 struct lttng_evaluation
*lttng_evaluation_buffer_usage_create(
75 enum lttng_condition_type type
, uint64_t use
,
79 ssize_t
lttng_condition_buffer_usage_low_create_from_buffer(const char *buf
,
80 struct lttng_condition
**condition
);
83 ssize_t
lttng_condition_buffer_usage_high_create_from_buffer(const char *buf
,
84 struct lttng_condition
**condition
);
87 ssize_t
lttng_evaluation_buffer_usage_low_create_from_buffer(const char *buf
,
88 struct lttng_evaluation
**evaluation
);
91 ssize_t
lttng_evaluation_buffer_usage_high_create_from_buffer(const char *buf
,
92 struct lttng_evaluation
**evaluation
);
96 #endif /* LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H */