projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| af0818ef 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 | ||
| af0818ef JR |
47 | ssize_t lttng_event_rule_kernel_tracepoint_create_from_payload( |
| 48 | struct lttng_payload_view *view, | |
| 49 | struct lttng_event_rule **rule); | |
| 50 | ||
| 51 | #endif /* LTTNG_EVENT_RULE_KERNEL_TRACEPOINT_INTERNAL_H */ |