projects / lttng-ust.git / blame
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| 4fbf9cd1 MD |
1 | #ifndef _LTT_TRACER_H |
| 2 | #define _LTT_TRACER_H | |
| 3 | ||
| 4 | /* | |
| 5 | * Copyright (C) 2005-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 6 | * | |
| 7 | * This contains the definitions for the Linux Trace Toolkit tracer. | |
| 8 | * | |
| 9 | * Ported to userspace by Pierre-Marc Fournier. | |
| 10 | * | |
| 11 | * This library is free software; you can redistribute it and/or | |
| 12 | * modify it under the terms of the GNU Lesser General Public | |
| 13 | * License as published by the Free Software Foundation; version 2.1 of | |
| 14 | * the License. | |
| 15 | * | |
| 16 | * This library is distributed in the hope that it will be useful, | |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 19 | * Lesser General Public License for more details. | |
| 20 | * | |
| 21 | * You should have received a copy of the GNU Lesser General Public | |
| 22 | * License along with this library; if not, write to the Free Software | |
| 23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 24 | */ | |
| 25 | ||
| 26 | #include <stdarg.h> | |
| 27 | #include <stdint.h> | |
| 28 | #include <ust/core.h> | |
| 29 | #include <ust/compat.h> | |
| 30 | #include "ltt-tracer-core.h" | |
| 31 | #include "ltt-events.h" | |
| 32 | ||
| 33 | #define LTTNG_VERSION 0 | |
| 34 | #define LTTNG_PATCHLEVEL 9 | |
| 35 | #define LTTNG_SUBLEVEL 1 | |
| 36 | ||
| 37 | #ifndef CHAR_BIT | |
| 38 | #define CHAR_BIT 8 | |
| 39 | #endif | |
| 40 | ||
| 41 | /* Number of bytes to log with a read/write event */ | |
| 42 | #define LTT_LOG_RW_SIZE 32L | |
| 43 | #define LTT_MAX_SMALL_SIZE 0xFFFFU | |
| 44 | ||
| 45 | #ifdef RING_BUFFER_ALIGN | |
| 46 | #define ltt_alignof(type) __alignof__(type) | |
| 47 | #else | |
| 48 | #define ltt_alignof(type) 1 | |
| 49 | #endif | |
| 50 | ||
| 51 | /* Tracer properties */ | |
| 52 | #define CTF_MAGIC_NUMBER 0xC1FC1FC1 | |
| 53 | #define TSDL_MAGIC_NUMBER 0x75D11D57 | |
| 54 | #define CTF_VERSION_MAJOR 0 | |
| 55 | #define CTF_VERSION_MINOR 1 | |
| 56 | ||
| 57 | /* | |
| 58 | * Number of milliseconds to retry before failing metadata writes on buffer full | |
| 59 | * condition. (10 seconds) | |
| 60 | */ | |
| 61 | #define LTTNG_METADATA_TIMEOUT_MSEC 10000 | |
| 62 | ||
| 63 | #define LTT_RFLAG_EXTENDED RING_BUFFER_RFLAG_END | |
| 64 | #define LTT_RFLAG_END (LTT_RFLAG_EXTENDED << 1) | |
| 65 | ||
| 66 | #endif /* _LTT_TRACER_H */ |