9d3a259a6160b883f556137da29a5ae54fc325d8
[lttng-tools.git] / include / lttng-share.h
1 /*
2 * Copyright (C) - 2011 - David Goulet <david.goulet@polymtl.ca>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; only version 2
7 * of the License.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19 #ifndef _LTTNG_SHARE_H
20 #define _LTTNG_SHARE_H
21
22 #include <asm/types.h>
23 #include <stdint.h>
24
25 typedef uint32_t u32;
26 typedef uint64_t u64;
27
28 typedef __s64 s64;
29
30 /* Default channel attributes */
31 #define DEFAULT_CHANNEL_NAME "channel0"
32 #define DEFAULT_CHANNEL_OVERWRITE 0 /* usec */
33 /* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
34 #define DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
35 /* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */
36 #define DEFAULT_CHANNEL_SUBBUF_NUM 8
37 #define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */
38 #define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */
39 /* See lttng-kernel.h enum lttng_kernel_output for channel output */
40 #define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
41
42 /* == NOT IMPLEMENTED ==
43 #define DEFAULT_UST_CHANNEL_OUTPUT LTTNG_UST_MMAP
44 */
45
46 /*
47 * lttng user-space instrumentation type
48 */
49 enum lttng_ust_instrumentation {
50 LTTNG_UST_TRACEPOINT,
51 LTTNG_UST_MARKER,
52 };
53
54 #endif /* _LTTNG_SHARE_H */
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