projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 1239a312 | 1 | /* |
| ab5be9fa | 2 | * Copyright (C) 2014 David Goulet <dgoulet@efficios.com> |
| 1239a312 | 3 | * |
| ab5be9fa | 4 | * SPDX-License-Identifier: LGPL-2.1-only |
| 1239a312 | 5 | * |
| 1239a312 DG |
6 | */ |
| 7 | ||
| 8 | #ifndef LTTNG_DOMAIN_H | |
| 9 | #define LTTNG_DOMAIN_H | |
| 10 | ||
| 11 | #ifdef __cplusplus | |
| 12 | extern "C" { | |
| 13 | #endif | |
| 14 | ||
| 15 | #include <lttng/constant.h> | |
| 4bd69c5f | 16 | #include <lttng/lttng-export.h> |
| 1239a312 DG |
17 | |
| 18 | /* | |
| 19 | * Domain types: the different possible tracers. | |
| 20 | */ | |
| 21 | enum lttng_domain_type { | |
| 95681498 | 22 | LTTNG_DOMAIN_NONE = 0, /* No associated domain. */ |
| 1239a312 DG |
23 | LTTNG_DOMAIN_KERNEL = 1, /* Linux Kernel tracer. */ |
| 24 | LTTNG_DOMAIN_UST = 2, /* Global Userspace tracer. */ | |
| 25 | LTTNG_DOMAIN_JUL = 3, /* Java Util Logging. */ | |
| 5cdb6027 | 26 | LTTNG_DOMAIN_LOG4J = 4, /* Java Log4j Framework. */ |
| 0e115563 | 27 | LTTNG_DOMAIN_PYTHON = 5, /* Python logging Framework. */ |
| 1239a312 DG |
28 | }; |
| 29 | ||
| 30 | /* Buffer type for a specific domain. */ | |
| 31 | enum lttng_buffer_type { | |
| 32 | LTTNG_BUFFER_PER_PID, /* Only supported by UST being the default. */ | |
| 33 | LTTNG_BUFFER_PER_UID, /* Only supported by UST. */ | |
| 34 | LTTNG_BUFFER_GLOBAL, /* Only supported by the Kernel. */ | |
| 35 | }; | |
| 36 | ||
| 37 | /* | |
| 38 | * The structures should be initialized to zero before use. | |
| 39 | */ | |
| 40 | #define LTTNG_DOMAIN_PADDING1 12 | |
| 41 | #define LTTNG_DOMAIN_PADDING2 LTTNG_SYMBOL_NAME_LEN + 32 | |
| 42 | struct lttng_domain { | |
| 43 | enum lttng_domain_type type; | |
| 44 | enum lttng_buffer_type buf_type; | |
| 45 | char padding[LTTNG_DOMAIN_PADDING1]; | |
| 46 | ||
| 47 | union { | |
| 48 | pid_t pid; | |
| 36d2e35d | 49 | char exec_name[LTTNG_NAME_MAX]; |
| 1239a312 DG |
50 | char padding[LTTNG_DOMAIN_PADDING2]; |
| 51 | } attr; | |
| 52 | }; | |
| 53 | ||
| 54 | /* | |
| 55 | * List the registered domain(s) of a session. | |
| 56 | * | |
| 57 | * Session name CAN NOT be NULL. | |
| 58 | * | |
| 59 | * Return the size (number of entries) of the "lttng_domain" array. Caller | |
| 60 | * must free domains. On error, a negative LTTng error code is returned. | |
| 61 | */ | |
| 4bd69c5f | 62 | LTTNG_EXPORT extern int lttng_list_domains(const char *session_name, |
| 1239a312 DG |
63 | struct lttng_domain **domains); |
| 64 | ||
| 65 | #ifdef __cplusplus | |
| 66 | } | |
| 67 | #endif | |
| 68 | ||
| 69 | #endif /* LTTNG_DOMAIN_H */ |