Commit | Line | Data |
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9bda164d | 1 | /* |
e848fc76 DG |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> |
3 | * Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
9bda164d | 4 | * |
d14d33bf AM |
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. | |
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 | |
d14d33bf | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
e848fc76 | 12 | * more details. |
9bda164d | 13 | * |
d14d33bf AM |
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. | |
9bda164d DG |
17 | */ |
18 | ||
990570ed DG |
19 | #ifndef _DEFAULTS_H |
20 | #define _DEFAULTS_H | |
e848fc76 | 21 | |
bbccc3d2 DG |
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 | ||
f6a9efaa | 31 | /* Default size of a hash table */ |
60922cb0 DG |
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 | ||
00e2e675 DG |
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 | ||
a4b92340 DG |
47 | /* |
48 | * Default session name for the lttng command line. This default value will | |
49 | * get the date and time appended (%Y%m%d-%H%M%S) to it. | |
50 | */ | |
07424f16 | 51 | #define DEFAULT_SESSION_NAME "auto" |
a4b92340 | 52 | |
60922cb0 DG |
53 | /* Default consumer paths */ |
54 | #define DEFAULT_CONSUMERD_RUNDIR "%s" | |
55 | ||
56 | /* Kernel consumer path */ | |
57 | #define DEFAULT_KCONSUMERD_PATH DEFAULT_CONSUMERD_RUNDIR "/kconsumerd" | |
58 | #define DEFAULT_KCONSUMERD_CMD_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/command" | |
59 | #define DEFAULT_KCONSUMERD_ERR_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/error" | |
60 | ||
61 | /* UST 64-bit consumer path */ | |
62 | #define DEFAULT_USTCONSUMERD64_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64" | |
63 | #define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/command" | |
64 | #define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/error" | |
65 | ||
66 | /* UST 32-bit consumer path */ | |
67 | #define DEFAULT_USTCONSUMERD32_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32" | |
68 | #define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command" | |
69 | #define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error" | |
70 | ||
f6a9efaa | 71 | |
990570ed | 72 | /* Default lttng run directory */ |
60922cb0 DG |
73 | #define DEFAULT_LTTNG_RUNDIR "/var/run/lttng" |
74 | #define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng" | |
990570ed DG |
75 | |
76 | /* Default unix socket path */ | |
60922cb0 DG |
77 | #define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond" |
78 | #define DEFAULT_GLOBAL_APPS_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/apps-lttng-sessiond" | |
79 | #define DEFAULT_HOME_APPS_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/apps-lttng-sessiond" | |
80 | #define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond" | |
44a5e5eb DG |
81 | #define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/health.sock" |
82 | #define DEFAULT_HOME_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/health.sock" | |
990570ed DG |
83 | |
84 | /* | |
85 | * Value taken from the hard limit allowed by the kernel when using setrlimit | |
86 | * with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3. | |
87 | */ | |
88 | #define DEFAULT_POLL_SIZE 65535 | |
89 | ||
ce2a9e76 DG |
90 | /* |
91 | * Format is %s_%d respectively channel name and CPU number. Eigth bytes | |
92 | * are added here to add space for the CPU number. I guess 2^8 CPUs is more | |
93 | * than enough. We might end up with quantum computing in a cell phone when | |
94 | * reaching this limit. | |
95 | */ | |
96 | #define DEFAULT_STREAM_NAME_LEN LTTNG_SYMBOL_NAME_LEN + 8 | |
97 | ||
f3ed775e | 98 | /* Default channel attributes */ |
3817e7df DG |
99 | #define DEFAULT_CHANNEL_NAME "channel0" |
100 | #define DEFAULT_CHANNEL_OVERWRITE 0 /* usec */ | |
7d452e12 | 101 | /* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */ |
3817e7df | 102 | #define DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */ |
7d452e12 | 103 | /* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */ |
9f778c9a | 104 | #define DEFAULT_CHANNEL_SUBBUF_NUM 4 |
3817e7df | 105 | #define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */ |
b389abbe | 106 | #define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */ |
3817e7df | 107 | #define DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP |
b389abbe | 108 | |
3817e7df DG |
109 | #define DEFAULT_METADATA_SUBBUF_SIZE 4096 |
110 | #define DEFAULT_METADATA_SUBBUF_NUM 2 | |
e6ddca71 | 111 | |
b389abbe MD |
112 | /* Kernel has different defaults */ |
113 | ||
114 | /* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */ | |
3817e7df | 115 | #define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE 262144 /* bytes */ |
9f778c9a MD |
116 | /* |
117 | * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2. | |
118 | * Update help manually if override. | |
119 | */ | |
120 | #define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM DEFAULT_CHANNEL_SUBBUF_NUM | |
b389abbe | 121 | /* See lttng-kernel.h enum lttng_kernel_output for channel output */ |
3817e7df | 122 | #define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE |
f3ed775e | 123 | |
0b0dd29a DG |
124 | /* User space defaults */ |
125 | ||
126 | /* Must be a power of 2 */ | |
127 | #define DEFAULT_UST_CHANNEL_SUBBUF_SIZE 4096 /* bytes */ | |
9f778c9a MD |
128 | /* Must be a power of 2. Update help manuall if override. */ |
129 | #define DEFAULT_UST_CHANNEL_SUBBUF_NUM DEFAULT_CHANNEL_SUBBUF_NUM | |
28ca4a8b | 130 | /* See lttng-ust.h enum lttng_ust_output */ |
d41f73b7 | 131 | #define DEFAULT_UST_CHANNEL_OUTPUT LTTNG_EVENT_MMAP |
0b0dd29a | 132 | |
ee0b0061 DG |
133 | /* |
134 | * Default timeout value for the sem_timedwait() call. Blocking forever is not | |
135 | * wanted so a timeout is used to control the data flow and not freeze the | |
136 | * session daemon. | |
137 | */ | |
138 | #define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */ | |
139 | ||
3a5713da DG |
140 | /* Default network ports for trace streaming support */ |
141 | #define DEFAULT_NETWORK_CONTROL_PORT 5342 | |
142 | #define DEFAULT_NETWORK_DATA_PORT 5343 | |
143 | ||
8809eec0 MD |
144 | /* |
145 | * If a thread stalls for this amount of time, it will be considered bogus (bad | |
146 | * health). | |
147 | */ | |
148 | #define DEFAULT_HEALTH_CHECK_DELTA_S 20 | |
149 | #define DEFAULT_HEALTH_CHECK_DELTA_NS 0 | |
150 | ||
38ee087f | 151 | /* |
6d805429 | 152 | * Wait period before retrying the lttng_data_pending command in the lttng |
38ee087f DG |
153 | * stop command of liblttng-ctl. |
154 | */ | |
155 | #define DEFAULT_DATA_AVAILABILITY_WAIT_TIME 200000 /* usec */ | |
156 | ||
ae9e45b3 DG |
157 | /* |
158 | * Default receiving and sending timeout for an application socket. | |
159 | */ | |
160 | #define DEFAULT_APP_SOCKET_RW_TIMEOUT 5 /* sec */ | |
161 | #define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT" | |
162 | ||
8b3bd7a3 SM |
163 | |
164 | extern size_t default_channel_subbuf_size; | |
165 | extern size_t default_metadata_subbuf_size; | |
166 | extern size_t default_ust_channel_subbuf_size; | |
167 | extern size_t default_kernel_channel_subbuf_size; | |
168 | ||
169 | ||
170 | /* | |
171 | * Returns the default subbuf size. | |
172 | * | |
173 | * This function depends on a value that is set at constructor time, so it is | |
174 | * unsafe to call it from another constructor. | |
175 | */ | |
176 | static inline | |
177 | size_t default_get_channel_subbuf_size(void) | |
178 | { | |
179 | return default_channel_subbuf_size; | |
180 | } | |
181 | ||
182 | /* | |
183 | * Returns the default metadata subbuf size. | |
184 | * | |
185 | * This function depends on a value that is set at constructor time, so it is | |
186 | * unsafe to call it from another constructor. | |
187 | */ | |
188 | static inline | |
189 | size_t default_get_metadata_subbuf_size(void) | |
190 | { | |
191 | return default_metadata_subbuf_size; | |
192 | } | |
193 | ||
194 | /* | |
195 | * Returns the default subbuf size for the kernel domain. | |
196 | * | |
197 | * This function depends on a value that is set at constructor time, so it is | |
198 | * unsafe to call it from another constructor. | |
199 | */ | |
200 | static inline | |
201 | size_t default_get_kernel_channel_subbuf_size(void) | |
202 | { | |
203 | return default_kernel_channel_subbuf_size; | |
204 | } | |
205 | ||
206 | /* | |
207 | * Returns the default subbuf size for the UST domain. | |
208 | * | |
209 | * This function depends on a value that is set at constructor time, so it is | |
210 | * unsafe to call it from another constructor. | |
211 | */ | |
212 | static inline | |
213 | size_t default_get_ust_channel_subbuf_size(void) | |
214 | { | |
215 | return default_ust_channel_subbuf_size; | |
216 | } | |
217 | ||
990570ed | 218 | #endif /* _DEFAULTS_H */ |