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b25b2570 JR |
1 | /* |
2 | * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> | |
3 | * | |
4 | * SPDX-License-Identifier: LGPL-2.1-only | |
5 | * | |
6 | */ | |
7 | ||
8 | #ifndef LTTNG_EVENT_RULE_KERNEL_TRACEPOINT_INTERNAL_H | |
9 | #define LTTNG_EVENT_RULE_KERNEL_TRACEPOINT_INTERNAL_H | |
10 | ||
11 | #include <common/payload-view.h> | |
12 | #include <common/macros.h> | |
13 | #include <common/optional.h> | |
14 | #include <lttng/event-rule/event-rule-internal.h> | |
15 | #include <lttng/event-rule/kernel-tracepoint.h> | |
16 | #include <lttng/event.h> | |
17 | ||
18 | struct lttng_event_rule_kernel_tracepoint { | |
19 | struct lttng_event_rule parent; | |
20 | ||
21 | /* Name pattern. */ | |
22 | char *pattern; | |
23 | ||
24 | /* Filter. */ | |
25 | char *filter_expression; | |
26 | ||
27 | /* internal use only. */ | |
28 | struct { | |
29 | char *filter; | |
30 | struct lttng_bytecode *bytecode; | |
31 | } internal_filter; | |
32 | }; | |
33 | ||
34 | struct lttng_event_rule_kernel_tracepoint_comm { | |
35 | /* Includes terminator `\0`. */ | |
36 | uint32_t pattern_len; | |
37 | /* Includes terminator `\0`. */ | |
38 | uint32_t filter_expression_len; | |
39 | /* | |
40 | * Payload is composed of, in that order: | |
41 | * - pattern (null terminated), | |
42 | * - filter expression (null terminated), | |
43 | */ | |
44 | char payload[]; | |
45 | } LTTNG_PACKED; | |
46 | ||
47 | LTTNG_HIDDEN | |
48 | ssize_t lttng_event_rule_kernel_tracepoint_create_from_payload( | |
49 | struct lttng_payload_view *view, | |
50 | struct lttng_event_rule **rule); | |
51 | ||
52 | #endif /* LTTNG_EVENT_RULE_KERNEL_TRACEPOINT_INTERNAL_H */ |