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 | ||
30079b6b DG |
25 | /* |
26 | * This value is defined in the CTF specification (see | |
27 | * git://git.efficios.com/ctf.git in the file | |
28 | * common-trace-format-specification.txt. | |
29 | */ | |
30 | #define DEFAULT_METADATA_NAME "metadata" | |
31 | ||
bbccc3d2 DG |
32 | /* Environment variable to set session daemon binary path. */ |
33 | #define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH" | |
34 | ||
35 | /* Default trace output directory name */ | |
36 | #define DEFAULT_TRACE_DIR_NAME "lttng-traces" | |
37 | ||
f6a9efaa | 38 | /* Default size of a hash table */ |
60922cb0 DG |
39 | #define DEFAULT_HT_SIZE 4 |
40 | ||
41 | /* Default session daemon paths */ | |
42 | #define DEFAULT_HOME_DIR "/tmp" | |
43 | #define DEFAULT_UST_SOCK_DIR DEFAULT_HOME_DIR "/ust-app-socks" | |
44 | #define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global" | |
45 | #define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng" | |
46 | ||
00e2e675 DG |
47 | /* Default directory where the trace are written in per domain */ |
48 | #define DEFAULT_KERNEL_TRACE_DIR "/kernel" | |
49 | #define DEFAULT_UST_TRACE_DIR "/ust" | |
50 | ||
7972aab2 DG |
51 | /* Subpath for per PID or UID sessions. */ |
52 | #define DEFAULT_UST_TRACE_PID_PATH "/pid" | |
53 | #define DEFAULT_UST_TRACE_UID_PATH "/uid/%d/%u-bit" | |
54 | ||
a4b92340 DG |
55 | /* |
56 | * Default session name for the lttng command line. This default value will | |
57 | * get the date and time appended (%Y%m%d-%H%M%S) to it. | |
58 | */ | |
07424f16 | 59 | #define DEFAULT_SESSION_NAME "auto" |
a4b92340 | 60 | |
60922cb0 DG |
61 | /* Default consumer paths */ |
62 | #define DEFAULT_CONSUMERD_RUNDIR "%s" | |
63 | ||
64 | /* Kernel consumer path */ | |
65 | #define DEFAULT_KCONSUMERD_PATH DEFAULT_CONSUMERD_RUNDIR "/kconsumerd" | |
66 | #define DEFAULT_KCONSUMERD_CMD_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/command" | |
67 | #define DEFAULT_KCONSUMERD_ERR_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/error" | |
68 | ||
69 | /* UST 64-bit consumer path */ | |
70 | #define DEFAULT_USTCONSUMERD64_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64" | |
71 | #define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/command" | |
72 | #define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/error" | |
73 | ||
74 | /* UST 32-bit consumer path */ | |
75 | #define DEFAULT_USTCONSUMERD32_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32" | |
76 | #define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command" | |
77 | #define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error" | |
78 | ||
990570ed | 79 | /* Default lttng run directory */ |
60922cb0 DG |
80 | #define DEFAULT_LTTNG_RUNDIR "/var/run/lttng" |
81 | #define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng" | |
35f90c40 | 82 | #define DEFAULT_LTTNG_SESSIOND_PIDFILE "lttng-sessiond.pid" |
990570ed DG |
83 | |
84 | /* Default unix socket path */ | |
60922cb0 | 85 | #define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond" |
60922cb0 | 86 | #define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond" |
44a5e5eb DG |
87 | #define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/health.sock" |
88 | #define DEFAULT_HOME_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/health.sock" | |
990570ed | 89 | |
d0b96690 DG |
90 | #define DEFAULT_GLOBAL_APPS_UNIX_SOCK \ |
91 | DEFAULT_LTTNG_RUNDIR "/" LTTNG_UST_SOCK_FILENAME | |
92 | #define DEFAULT_HOME_APPS_UNIX_SOCK \ | |
93 | DEFAULT_LTTNG_HOME_RUNDIR "/" LTTNG_UST_SOCK_FILENAME | |
94 | #define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH \ | |
95 | "/" LTTNG_UST_WAIT_FILENAME | |
96 | #define DEFAULT_HOME_APPS_WAIT_SHM_PATH \ | |
97 | DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "-%d" | |
98 | ||
990570ed DG |
99 | /* |
100 | * Value taken from the hard limit allowed by the kernel when using setrlimit | |
101 | * with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3. | |
102 | */ | |
103 | #define DEFAULT_POLL_SIZE 65535 | |
104 | ||
ce2a9e76 DG |
105 | /* |
106 | * Format is %s_%d respectively channel name and CPU number. Eigth bytes | |
107 | * are added here to add space for the CPU number. I guess 2^8 CPUs is more | |
108 | * than enough. We might end up with quantum computing in a cell phone when | |
109 | * reaching this limit. | |
110 | */ | |
111 | #define DEFAULT_STREAM_NAME_LEN LTTNG_SYMBOL_NAME_LEN + 8 | |
112 | ||
f3ed775e | 113 | /* Default channel attributes */ |
3817e7df DG |
114 | #define DEFAULT_CHANNEL_NAME "channel0" |
115 | #define DEFAULT_CHANNEL_OVERWRITE 0 /* usec */ | |
7d452e12 | 116 | /* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */ |
3817e7df | 117 | #define DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */ |
7d452e12 | 118 | /* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */ |
9f778c9a | 119 | #define DEFAULT_CHANNEL_SUBBUF_NUM 4 |
3817e7df | 120 | #define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */ |
6bb9e85f | 121 | #define DEFAULT_CHANNEL_READ_TIMER 200000 /* usec */ |
3817e7df | 122 | #define DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP |
b389abbe | 123 | |
3817e7df DG |
124 | #define DEFAULT_METADATA_SUBBUF_SIZE 4096 |
125 | #define DEFAULT_METADATA_SUBBUF_NUM 2 | |
331744e3 | 126 | #define DEFAULT_METADATA_CACHE_SIZE 4096 |
e6ddca71 | 127 | |
b389abbe MD |
128 | /* Kernel has different defaults */ |
129 | ||
130 | /* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */ | |
3817e7df | 131 | #define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE 262144 /* bytes */ |
9f778c9a MD |
132 | /* |
133 | * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2. | |
134 | * Update help manually if override. | |
135 | */ | |
136 | #define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM DEFAULT_CHANNEL_SUBBUF_NUM | |
b389abbe | 137 | /* See lttng-kernel.h enum lttng_kernel_output for channel output */ |
3817e7df | 138 | #define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE |
f3ed775e | 139 | |
6bb9e85f MD |
140 | #define DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER \ |
141 | DEFAULT_CHANNEL_SWITCH_TIMER | |
142 | #define DEFAULT_KERNEL_CHANNEL_READ_TIMER 200000 /* usec */ | |
143 | ||
0b0dd29a DG |
144 | /* User space defaults */ |
145 | ||
146 | /* Must be a power of 2 */ | |
147 | #define DEFAULT_UST_CHANNEL_SUBBUF_SIZE 4096 /* bytes */ | |
9f778c9a MD |
148 | /* Must be a power of 2. Update help manuall if override. */ |
149 | #define DEFAULT_UST_CHANNEL_SUBBUF_NUM DEFAULT_CHANNEL_SUBBUF_NUM | |
28ca4a8b | 150 | /* See lttng-ust.h enum lttng_ust_output */ |
d41f73b7 | 151 | #define DEFAULT_UST_CHANNEL_OUTPUT LTTNG_EVENT_MMAP |
0b0dd29a | 152 | |
6bb9e85f MD |
153 | #define DEFAULT_UST_CHANNEL_SWITCH_TIMER \ |
154 | DEFAULT_CHANNEL_SWITCH_TIMER | |
155 | #define DEFAULT_UST_CHANNEL_READ_TIMER 0 /* usec */ | |
156 | ||
ee0b0061 DG |
157 | /* |
158 | * Default timeout value for the sem_timedwait() call. Blocking forever is not | |
159 | * wanted so a timeout is used to control the data flow and not freeze the | |
160 | * session daemon. | |
161 | */ | |
162 | #define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */ | |
163 | ||
3a5713da DG |
164 | /* Default network ports for trace streaming support */ |
165 | #define DEFAULT_NETWORK_CONTROL_PORT 5342 | |
166 | #define DEFAULT_NETWORK_DATA_PORT 5343 | |
167 | ||
8809eec0 MD |
168 | /* |
169 | * If a thread stalls for this amount of time, it will be considered bogus (bad | |
170 | * health). | |
171 | */ | |
172 | #define DEFAULT_HEALTH_CHECK_DELTA_S 20 | |
173 | #define DEFAULT_HEALTH_CHECK_DELTA_NS 0 | |
174 | ||
38ee087f | 175 | /* |
6d805429 | 176 | * Wait period before retrying the lttng_data_pending command in the lttng |
38ee087f DG |
177 | * stop command of liblttng-ctl. |
178 | */ | |
179 | #define DEFAULT_DATA_AVAILABILITY_WAIT_TIME 200000 /* usec */ | |
180 | ||
331744e3 JD |
181 | /* |
182 | * Wait period before retrying the lttng_consumer_flushed_cache when | |
183 | * the consumer receives metadata. | |
184 | */ | |
185 | #define DEFAULT_METADATA_AVAILABILITY_WAIT_TIME 200000 /* usec */ | |
186 | ||
ae9e45b3 DG |
187 | /* |
188 | * Default receiving and sending timeout for an application socket. | |
189 | */ | |
190 | #define DEFAULT_APP_SOCKET_RW_TIMEOUT 5 /* sec */ | |
191 | #define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT" | |
192 | ||
ffe60014 | 193 | #define DEFAULT_UST_STREAM_FD_NUM 2 /* Number of fd per UST stream. */ |
8b3bd7a3 SM |
194 | |
195 | extern size_t default_channel_subbuf_size; | |
196 | extern size_t default_metadata_subbuf_size; | |
197 | extern size_t default_ust_channel_subbuf_size; | |
198 | extern size_t default_kernel_channel_subbuf_size; | |
199 | ||
200 | ||
201 | /* | |
202 | * Returns the default subbuf size. | |
203 | * | |
204 | * This function depends on a value that is set at constructor time, so it is | |
205 | * unsafe to call it from another constructor. | |
206 | */ | |
207 | static inline | |
208 | size_t default_get_channel_subbuf_size(void) | |
209 | { | |
210 | return default_channel_subbuf_size; | |
211 | } | |
212 | ||
213 | /* | |
214 | * Returns the default metadata subbuf size. | |
215 | * | |
216 | * This function depends on a value that is set at constructor time, so it is | |
217 | * unsafe to call it from another constructor. | |
218 | */ | |
219 | static inline | |
220 | size_t default_get_metadata_subbuf_size(void) | |
221 | { | |
222 | return default_metadata_subbuf_size; | |
223 | } | |
224 | ||
225 | /* | |
226 | * Returns the default subbuf size for the kernel domain. | |
227 | * | |
228 | * This function depends on a value that is set at constructor time, so it is | |
229 | * unsafe to call it from another constructor. | |
230 | */ | |
231 | static inline | |
232 | size_t default_get_kernel_channel_subbuf_size(void) | |
233 | { | |
234 | return default_kernel_channel_subbuf_size; | |
235 | } | |
236 | ||
237 | /* | |
238 | * Returns the default subbuf size for the UST domain. | |
239 | * | |
240 | * This function depends on a value that is set at constructor time, so it is | |
241 | * unsafe to call it from another constructor. | |
242 | */ | |
243 | static inline | |
244 | size_t default_get_ust_channel_subbuf_size(void) | |
245 | { | |
246 | return default_ust_channel_subbuf_size; | |
247 | } | |
248 | ||
990570ed | 249 | #endif /* _DEFAULTS_H */ |