| 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 <ust/lttng-events.h> |
| 31 | #include "ltt-tracer-core.h" |
| 32 | |
| 33 | /* Number of bytes to log with a read/write event */ |
| 34 | #define LTT_LOG_RW_SIZE 32L |
| 35 | #define LTT_MAX_SMALL_SIZE 0xFFFFU |
| 36 | |
| 37 | /* Tracer properties */ |
| 38 | #define CTF_MAGIC_NUMBER 0xC1FC1FC1 |
| 39 | #define TSDL_MAGIC_NUMBER 0x75D11D57 |
| 40 | |
| 41 | /* CTF specification version followed */ |
| 42 | #define CTF_SPEC_MAJOR 1 |
| 43 | #define CTF_SPEC_MINOR 8 |
| 44 | |
| 45 | /* Tracer major/minor versions */ |
| 46 | #define CTF_VERSION_MAJOR 0 |
| 47 | #define CTF_VERSION_MINOR 1 |
| 48 | |
| 49 | /* |
| 50 | * Number of milliseconds to retry before failing metadata writes on buffer full |
| 51 | * condition. (10 seconds) |
| 52 | */ |
| 53 | #define LTTNG_METADATA_TIMEOUT_MSEC 10000 |
| 54 | |
| 55 | #define LTT_RFLAG_EXTENDED RING_BUFFER_RFLAG_END |
| 56 | #define LTT_RFLAG_END (LTT_RFLAG_EXTENDED << 1) |
| 57 | |
| 58 | #endif /* _LTT_TRACER_H */ |