Fix: Multiple health monitoring fixes
[lttng-tools.git] / src / common / defaults.h
1 /*
2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
3 * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License, version 2 only,
7 * as published by the Free Software Foundation.
8 *
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.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 */
18
19 #ifndef _DEFAULTS_H
20 #define _DEFAULTS_H
21
22 /* Default unix group name for tracing. */
23 #define DEFAULT_TRACING_GROUP "tracing"
24
25 /* Environment variable to set session daemon binary path. */
26 #define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH"
27
28 /* Default trace output directory name */
29 #define DEFAULT_TRACE_DIR_NAME "lttng-traces"
30
31 /* Default size of a hash table */
32 #define DEFAULT_HT_SIZE 4
33
34 /* Default session daemon paths */
35 #define DEFAULT_HOME_DIR "/tmp"
36 #define DEFAULT_UST_SOCK_DIR DEFAULT_HOME_DIR "/ust-app-socks"
37 #define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global"
38 #define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng"
39
40 #define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "/lttng-ust-apps-wait"
41 #define DEFAULT_HOME_APPS_WAIT_SHM_PATH "/lttng-ust-apps-wait-%u"
42
43 /* Default directory where the trace are written in per domain */
44 #define DEFAULT_KERNEL_TRACE_DIR "/kernel"
45 #define DEFAULT_UST_TRACE_DIR "/ust"
46
47 /* Default consumer paths */
48 #define DEFAULT_CONSUMERD_RUNDIR "%s"
49
50 /* Kernel consumer path */
51 #define DEFAULT_KCONSUMERD_PATH DEFAULT_CONSUMERD_RUNDIR "/kconsumerd"
52 #define DEFAULT_KCONSUMERD_CMD_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/command"
53 #define DEFAULT_KCONSUMERD_ERR_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/error"
54
55 /* UST 64-bit consumer path */
56 #define DEFAULT_USTCONSUMERD64_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64"
57 #define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/command"
58 #define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/error"
59
60 /* UST 32-bit consumer path */
61 #define DEFAULT_USTCONSUMERD32_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32"
62 #define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command"
63 #define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error"
64
65
66 /* Default lttng run directory */
67 #define DEFAULT_LTTNG_RUNDIR "/var/run/lttng"
68 #define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng"
69
70 /* Default unix socket path */
71 #define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond"
72 #define DEFAULT_GLOBAL_APPS_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/apps-lttng-sessiond"
73 #define DEFAULT_HOME_APPS_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/apps-lttng-sessiond"
74 #define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
75 #define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/health.sock"
76 #define DEFAULT_HOME_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/health.sock"
77
78 /*
79 * Value taken from the hard limit allowed by the kernel when using setrlimit
80 * with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3.
81 */
82 #define DEFAULT_POLL_SIZE 65535
83
84 /* Default channel attributes */
85 #define DEFAULT_CHANNEL_NAME "channel0"
86 #define DEFAULT_CHANNEL_OVERWRITE 0 /* usec */
87 /* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
88 #define DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
89 /* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */
90 #define DEFAULT_CHANNEL_SUBBUF_NUM 4
91 #define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */
92 #define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */
93 #define DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
94
95 #define DEFAULT_METADATA_SUBBUF_SIZE 4096
96 #define DEFAULT_METADATA_SUBBUF_NUM 2
97
98 /* Kernel has different defaults */
99
100 /* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
101 #define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE 262144 /* bytes */
102 /*
103 * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
104 * Update help manually if override.
105 */
106 #define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM DEFAULT_CHANNEL_SUBBUF_NUM
107 /* See lttng-kernel.h enum lttng_kernel_output for channel output */
108 #define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
109
110 /* User space defaults */
111
112 /* Must be a power of 2 */
113 #define DEFAULT_UST_CHANNEL_SUBBUF_SIZE 4096 /* bytes */
114 /* Must be a power of 2. Update help manuall if override. */
115 #define DEFAULT_UST_CHANNEL_SUBBUF_NUM DEFAULT_CHANNEL_SUBBUF_NUM
116 /* See lttng-ust.h enum lttng_ust_output */
117 #define DEFAULT_UST_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
118
119 /*
120 * Default timeout value for the sem_timedwait() call. Blocking forever is not
121 * wanted so a timeout is used to control the data flow and not freeze the
122 * session daemon.
123 */
124 #define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */
125
126 /* Default network ports for trace streaming support */
127 #define DEFAULT_NETWORK_CONTROL_PORT 5342
128 #define DEFAULT_NETWORK_DATA_PORT 5343
129
130 #endif /* _DEFAULTS_H */
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