Fix comment of cmd_create
[lttng-tools.git] / src / common / defaults.h
CommitLineData
9bda164d 1/*
e848fc76
DG
2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
3 * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
9bda164d 4 *
e848fc76
DG
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the Free
7 * Software Foundation; only version 2 of the License.
9bda164d 8 *
e848fc76
DG
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
9bda164d 13 *
e848fc76
DG
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
16 * Place - Suite 330, Boston, MA 02111-1307, USA.
9bda164d
DG
17 */
18
990570ed
DG
19#ifndef _DEFAULTS_H
20#define _DEFAULTS_H
e848fc76 21
f6a9efaa 22/* Default size of a hash table */
60922cb0
DG
23#define DEFAULT_HT_SIZE 4
24
25/* Default session daemon paths */
26#define DEFAULT_HOME_DIR "/tmp"
27#define DEFAULT_UST_SOCK_DIR DEFAULT_HOME_DIR "/ust-app-socks"
28#define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global"
29#define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng"
30
31#define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "/lttng-ust-apps-wait"
32#define DEFAULT_HOME_APPS_WAIT_SHM_PATH "/lttng-ust-apps-wait-%u"
33
34/* Default consumer paths */
35#define DEFAULT_CONSUMERD_RUNDIR "%s"
36
37/* Kernel consumer path */
38#define DEFAULT_KCONSUMERD_PATH DEFAULT_CONSUMERD_RUNDIR "/kconsumerd"
39#define DEFAULT_KCONSUMERD_CMD_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/command"
40#define DEFAULT_KCONSUMERD_ERR_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/error"
41
42/* UST 64-bit consumer path */
43#define DEFAULT_USTCONSUMERD64_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64"
44#define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/command"
45#define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/error"
46
47/* UST 32-bit consumer path */
48#define DEFAULT_USTCONSUMERD32_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32"
49#define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command"
50#define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error"
51
f6a9efaa 52
990570ed 53/* Default lttng run directory */
60922cb0
DG
54#define DEFAULT_LTTNG_RUNDIR "/var/run/lttng"
55#define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng"
990570ed
DG
56
57/* Default unix socket path */
60922cb0
DG
58#define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond"
59#define DEFAULT_GLOBAL_APPS_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/apps-lttng-sessiond"
60#define DEFAULT_HOME_APPS_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/apps-lttng-sessiond"
61#define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
990570ed
DG
62
63/*
64 * Value taken from the hard limit allowed by the kernel when using setrlimit
65 * with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3.
66 */
67#define DEFAULT_POLL_SIZE 65535
68
f3ed775e 69/* Default channel attributes */
3817e7df
DG
70#define DEFAULT_CHANNEL_NAME "channel0"
71#define DEFAULT_CHANNEL_OVERWRITE 0 /* usec */
7d452e12 72/* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
3817e7df 73#define DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
7d452e12 74/* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */
3817e7df
DG
75#define DEFAULT_CHANNEL_SUBBUF_NUM 8
76#define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */
b389abbe 77#define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */
3817e7df 78#define DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
b389abbe 79
3817e7df
DG
80#define DEFAULT_METADATA_SUBBUF_SIZE 4096
81#define DEFAULT_METADATA_SUBBUF_NUM 2
e6ddca71 82
b389abbe
MD
83/* Kernel has different defaults */
84
85/* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
3817e7df 86#define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE 262144 /* bytes */
b389abbe 87/* DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2 */
3817e7df 88#define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM 4
b389abbe 89/* See lttng-kernel.h enum lttng_kernel_output for channel output */
3817e7df 90#define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
f3ed775e 91
0b0dd29a
DG
92/* User space defaults */
93
94/* Must be a power of 2 */
95#define DEFAULT_UST_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
96/* Must be a power of 2 */
97#define DEFAULT_UST_CHANNEL_SUBBUF_NUM 4
28ca4a8b 98/* See lttng-ust.h enum lttng_ust_output */
d41f73b7 99#define DEFAULT_UST_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
0b0dd29a 100
ee0b0061
DG
101/*
102 * Default timeout value for the sem_timedwait() call. Blocking forever is not
103 * wanted so a timeout is used to control the data flow and not freeze the
104 * session daemon.
105 */
106#define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */
107
990570ed 108#endif /* _DEFAULTS_H */
This page took 0.044282 seconds and 4 git commands to generate.