Tests: add an lttng-relayd working directory test
[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 * 2015 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License, version 2 only,
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #ifndef _DEFAULTS_H
21 #define _DEFAULTS_H
22
23 #include <pthread.h>
24 #include <common/macros.h>
25
26 /* Default unix group name for tracing. */
27 #define DEFAULT_TRACING_GROUP "tracing"
28
29 /*
30 * This value is defined in the CTF specification (see
31 * git://git.efficios.com/ctf.git in the file
32 * common-trace-format-specification.txt.
33 */
34 #define DEFAULT_METADATA_NAME "metadata"
35
36 /* Environment variable to set session daemon binary path. */
37 #define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH"
38
39 /* Environment variable to set man pager binary path. */
40 #define DEFAULT_MAN_BIN_PATH_ENV "LTTNG_MAN_BIN_PATH"
41
42 /* Default man pager binary path. */
43 #define DEFAULT_MAN_BIN_PATH "/usr/bin/man"
44
45 /* Default trace output directory name */
46 #define DEFAULT_TRACE_DIR_NAME "lttng-traces"
47
48 /* Default size of a hash table */
49 #define DEFAULT_HT_SIZE 4
50
51 /* Default session daemon paths */
52 #define DEFAULT_HOME_DIR "/tmp"
53 #define DEFAULT_UST_SOCK_DIR DEFAULT_HOME_DIR "/ust-app-socks"
54 #define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global"
55 #define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng"
56
57 /* Default directory where the trace are written in per domain */
58 #define DEFAULT_KERNEL_TRACE_DIR "kernel"
59 #define DEFAULT_UST_TRACE_DIR "ust"
60
61 /* Subpath for per PID or UID sessions. */
62 #define DEFAULT_UST_TRACE_PID_PATH "/pid"
63 #define DEFAULT_UST_TRACE_UID_PATH "/uid/%d/%u-bit"
64
65 /*
66 * Default session name for the lttng command line. This default value will
67 * get the date and time appended (%Y%m%d-%H%M%S) to it.
68 */
69 #define DEFAULT_SESSION_NAME "auto"
70
71 /* Default consumer paths */
72 #define DEFAULT_CONSUMERD_FILE "lttng-consumerd"
73
74 /* Default consumer paths */
75 #define DEFAULT_CONSUMERD_RUNDIR "%s"
76
77 /* Kernel consumer path */
78 #define DEFAULT_KCONSUMERD_PATH DEFAULT_CONSUMERD_RUNDIR "/kconsumerd"
79 #define DEFAULT_KCONSUMERD_CMD_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/command"
80 #define DEFAULT_KCONSUMERD_ERR_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/error"
81
82 /* UST 64-bit consumer path */
83 #define DEFAULT_USTCONSUMERD64_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64"
84 #define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/command"
85 #define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/error"
86
87 /* UST 32-bit consumer path */
88 #define DEFAULT_USTCONSUMERD32_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32"
89 #define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command"
90 #define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error"
91
92 /* Relayd path */
93 #define DEFAULT_RELAYD_RUNDIR "%s"
94 #define DEFAULT_RELAYD_PATH DEFAULT_RELAYD_RUNDIR "/relayd"
95
96 /* Default lttng run directory */
97 #define DEFAULT_LTTNG_HOME_ENV_VAR "LTTNG_HOME"
98 #define DEFAULT_LTTNG_FALLBACK_HOME_ENV_VAR "HOME"
99 #define DEFAULT_LTTNG_RUNDIR CONFIG_LTTNG_SYSTEM_RUNDIR
100 #define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng"
101 #define DEFAULT_LTTNG_SESSIOND_PIDFILE "lttng-sessiond.pid"
102 #define DEFAULT_LTTNG_SESSIOND_AGENTPORT_FILE "agent.port"
103 #define DEFAULT_LTTNG_SESSIOND_LOCKFILE "lttng-sessiond.lck"
104
105 /* Default probes list */
106 #define DEFAULT_LTTNG_KMOD_PROBES "LTTNG_KMOD_PROBES"
107
108 /* Default extra probes list */
109 #define DEFAULT_LTTNG_EXTRA_KMOD_PROBES "LTTNG_EXTRA_KMOD_PROBES"
110
111 /* Default unix socket path */
112 #define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond"
113 #define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
114 #define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/sessiond-health"
115 #define DEFAULT_HOME_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/sessiond-health"
116 #define DEFAULT_GLOBAL_NOTIFICATION_CHANNEL_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/sessiond-notification"
117 #define DEFAULT_HOME_NOTIFICATION_CHANNEL_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/sessiond-notification"
118
119 /* Default consumer health unix socket path */
120 #define DEFAULT_GLOBAL_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd32/health"
121 #define DEFAULT_HOME_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd32/health"
122 #define DEFAULT_GLOBAL_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd64/health"
123 #define DEFAULT_HOME_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd64/health"
124 #define DEFAULT_GLOBAL_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/kconsumerd/health"
125 #define DEFAULT_HOME_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/kconsumerd/health"
126
127 /* Default relay health unix socket path */
128 #define DEFAULT_GLOBAL_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/relayd/health-%d"
129 #define DEFAULT_HOME_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/relayd/health-%d"
130
131 /* Default daemon configuration file path */
132 #define DEFAULT_SYSTEM_CONFIGPATH CONFIG_LTTNG_SYSTEM_CONFIGDIR \
133 "/lttng"
134
135 #define DEFAULT_DAEMON_CONFIG_FILE "lttng.conf"
136 #define DEFAULT_DAEMON_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \
137 DEFAULT_DAEMON_CONFIG_FILE
138 #define DEFAULT_DAEMON_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \
139 DEFAULT_DAEMON_CONFIG_FILE
140
141 /* Default session configuration file path */
142 #define DEFAULT_SESSION_PATH "sessions"
143 /* Auto load session in that directory. */
144 #define DEFAULT_SESSION_CONFIG_AUTOLOAD "auto"
145 #define DEFAULT_SESSION_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \
146 DEFAULT_SESSION_PATH
147 #define DEFAULT_SESSION_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \
148 DEFAULT_SESSION_PATH
149 #define DEFAULT_SESSION_CONFIG_FILE_EXTENSION ".lttng"
150 #define DEFAULT_SESSION_CONFIG_XSD_FILENAME "session.xsd"
151 #define DEFAULT_SESSION_CONFIG_XSD_PATH CONFIG_LTTNG_SYSTEM_DATADIR "/xml/lttng/"
152 #define DEFAULT_SESSION_CONFIG_XSD_PATH_ENV "LTTNG_SESSION_CONFIG_XSD_PATH"
153
154 #define DEFAULT_GLOBAL_APPS_UNIX_SOCK \
155 DEFAULT_LTTNG_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
156 #define DEFAULT_HOME_APPS_UNIX_SOCK \
157 DEFAULT_LTTNG_HOME_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
158 #define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH \
159 "/" LTTNG_UST_WAIT_FILENAME
160 #define DEFAULT_HOME_APPS_WAIT_SHM_PATH \
161 DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "-%d"
162
163 /*
164 * Value taken from the hard limit allowed by the kernel when using setrlimit
165 * with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3.
166 */
167 #define DEFAULT_POLL_SIZE 65535
168
169 /*
170 * Format is %s_%d respectively channel name and CPU number. Eigth bytes
171 * are added here to add space for the CPU number. I guess 2^8 CPUs is more
172 * than enough. We might end up with quantum computing in a cell phone when
173 * reaching this limit.
174 */
175 #define DEFAULT_STREAM_NAME_LEN LTTNG_SYMBOL_NAME_LEN + 8
176
177 /* Default channel attributes */
178 #define DEFAULT_CHANNEL_NAME "channel0"
179 /* Default JUL domain channel name. */
180 #define DEFAULT_JUL_CHANNEL_NAME "lttng_jul_channel"
181 /* Default JUL tracepoint name. This is a wildcard for the JUL domain. */
182 #define DEFAULT_JUL_EVENT_COMPONENT "lttng_jul"
183 #define DEFAULT_JUL_EVENT_NAME DEFAULT_JUL_EVENT_COMPONENT ":*"
184
185 /* Default log4j domain channel name. */
186 #define DEFAULT_LOG4J_CHANNEL_NAME "lttng_log4j_channel"
187 /* Default log4j tracepoint name. This is a wildcard for the log4j domain. */
188 #define DEFAULT_LOG4J_EVENT_COMPONENT "lttng_log4j"
189 #define DEFAULT_LOG4J_EVENT_NAME DEFAULT_LOG4J_EVENT_COMPONENT ":*"
190
191 /* Default Python domain channel name. */
192 #define DEFAULT_PYTHON_CHANNEL_NAME "lttng_python_channel"
193 /* Default Python tracepoint name. This is a wildcard for the python domain. */
194 #define DEFAULT_PYTHON_EVENT_COMPONENT "lttng_python"
195 #define DEFAULT_PYTHON_EVENT_NAME DEFAULT_PYTHON_EVENT_COMPONENT ":*"
196
197 #define DEFAULT_CHANNEL_OVERWRITE -1
198 #define DEFAULT_CHANNEL_TRACEFILE_SIZE CONFIG_DEFAULT_CHANNEL_TRACEFILE_SIZE
199 #define DEFAULT_CHANNEL_TRACEFILE_COUNT CONFIG_DEFAULT_CHANNEL_TRACEFILE_COUNT
200
201 #define _DEFAULT_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_CHANNEL_SUBBUF_SIZE
202 #define _DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
203
204 /* Metadata channel defaults. */
205 #define DEFAULT_METADATA_SUBBUF_SIZE CONFIG_DEFAULT_METADATA_SUBBUF_SIZE
206 #define DEFAULT_METADATA_SUBBUF_NUM CONFIG_DEFAULT_METADATA_SUBBUF_NUM
207 #define DEFAULT_METADATA_CACHE_SIZE CONFIG_DEFAULT_METADATA_CACHE_SIZE
208 #define DEFAULT_METADATA_SWITCH_TIMER CONFIG_DEFAULT_METADATA_SWITCH_TIMER
209 #define DEFAULT_METADATA_READ_TIMER CONFIG_DEFAULT_METADATA_READ_TIMER
210 #define DEFAULT_METADATA_OUTPUT _DEFAULT_CHANNEL_OUTPUT
211
212 /* Kernel has different defaults */
213
214 /* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
215 #define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE
216 /*
217 * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
218 * Update help manually if override.
219 */
220 #define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM
221 /* See lttng-kernel.h enum lttng_kernel_output for channel output */
222 #define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
223 #define DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER
224 #define DEFAULT_KERNEL_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_MONITOR_TIMER
225 #define DEFAULT_KERNEL_CHANNEL_READ_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_READ_TIMER
226 #define DEFAULT_KERNEL_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_LIVE_TIMER
227 #define DEFAULT_KERNEL_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_KERNEL_CHANNEL_BLOCKING_TIMEOUT
228
229 /* User space defaults */
230
231 /* Must be a power of 2 */
232 #define DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE
233 #define DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE
234 /* Must be a power of 2. Update help manuall if override. */
235 #define DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM
236 #define DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM
237 /* See lttng-ust.h enum lttng_ust_output */
238 #define DEFAULT_UST_PID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
239 #define DEFAULT_UST_UID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
240 /* Timers in usec. */
241 #define DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER
242 #define DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER
243 #define DEFAULT_UST_PID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_LIVE_TIMER
244 #define DEFAULT_UST_UID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_LIVE_TIMER
245 #define DEFAULT_UST_PID_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_MONITOR_TIMER
246 #define DEFAULT_UST_UID_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_MONITOR_TIMER
247
248 #define DEFAULT_UST_PID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_READ_TIMER
249 #define DEFAULT_UST_UID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_READ_TIMER
250
251 #define DEFAULT_UST_PID_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_UST_PID_CHANNEL_BLOCKING_TIMEOUT
252 #define DEFAULT_UST_UID_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_UST_UID_CHANNEL_BLOCKING_TIMEOUT
253
254 /*
255 * Default timeout value for the sem_timedwait() call. Blocking forever is not
256 * wanted so a timeout is used to control the data flow and not freeze the
257 * session daemon.
258 */
259 #define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */
260
261 /* Default bind addresses for network services. */
262 #define DEFAULT_NETWORK_CONTROL_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_CONTROL_BIND_ADDRESS
263 #define DEFAULT_NETWORK_DATA_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_DATA_BIND_ADDRESS
264 #define DEFAULT_NETWORK_VIEWER_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_VIEWER_BIND_ADDRESS
265 #define DEFAULT_AGENT_BIND_ADDRESS CONFIG_DEFAULT_AGENT_BIND_ADDRESS
266
267 /* Default network ports for trace streaming support. */
268 #define DEFAULT_NETWORK_CONTROL_PORT CONFIG_DEFAULT_NETWORK_CONTROL_PORT
269 #define DEFAULT_NETWORK_DATA_PORT CONFIG_DEFAULT_NETWORK_DATA_PORT
270 #define DEFAULT_NETWORK_VIEWER_PORT CONFIG_DEFAULT_NETWORK_VIEWER_PORT
271
272 /* Agent registration TCP port range. */
273 #define DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN CONFIG_DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN
274 #define DEFAULT_AGENT_TCP_PORT_RANGE_END CONFIG_DEFAULT_AGENT_TCP_PORT_RANGE_END
275
276 /*
277 * If a thread stalls for this amount of time, it will be considered bogus (bad
278 * health).
279 */
280 #define DEFAULT_HEALTH_CHECK_DELTA_S 20
281 #define DEFAULT_HEALTH_CHECK_DELTA_NS 0
282
283 /*
284 * Wait period before retrying the lttng_data_pending command in the lttng
285 * stop command of liblttng-ctl.
286 */
287 #define DEFAULT_DATA_AVAILABILITY_WAIT_TIME_US 200000 /* usec */
288
289 /*
290 * Wait period before retrying the lttng_consumer_flushed_cache when
291 * the consumer receives metadata.
292 */
293 #define DEFAULT_METADATA_AVAILABILITY_WAIT_TIME 200000 /* usec */
294
295 /*
296 * The usual value for the maximum TCP SYN retries time and TCP FIN timeout is
297 * 180 and 60 seconds on most Linux system and the default value since kernel
298 * 2.2 thus using the highest value. See tcp(7) for more details.
299 */
300 #define DEFAULT_INET_TCP_TIMEOUT 180 /* sec */
301
302 /* Maximum payload size for a control connection */
303
304 #define DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE CONFIG_DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE
305
306 /*
307 * Default receiving and sending timeout for an application socket.
308 */
309 #define DEFAULT_APP_SOCKET_RW_TIMEOUT CONFIG_DEFAULT_APP_SOCKET_RW_TIMEOUT
310 #define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT"
311
312 #define DEFAULT_UST_STREAM_FD_NUM 2 /* Number of fd per UST stream. */
313
314 #define DEFAULT_SNAPSHOT_NAME "snapshot"
315 #define DEFAULT_SNAPSHOT_MAX_SIZE 0 /* Unlimited. */
316
317 /* Suffix of an index file. */
318 #define DEFAULT_INDEX_FILE_SUFFIX ".idx"
319 #define DEFAULT_INDEX_DIR "index"
320
321 /* Default lttng command live timer value in usec. */
322 #define DEFAULT_LTTNG_LIVE_TIMER CONFIG_DEFAULT_LTTNG_LIVE_TIMER
323
324 /* Default runas worker name */
325 #define DEFAULT_RUN_AS_WORKER_NAME "lttng-runas"
326
327 /* Default LTTng MI XML namespace. */
328 #define DEFAULT_LTTNG_MI_NAMESPACE "https://lttng.org/xml/ns/lttng-mi"
329
330 /* Default thread stack size; the default mandated by pthread_create(3) */
331 #define DEFAULT_LTTNG_THREAD_STACK_SIZE 2097152
332
333 /* Default maximal size of message notification channel message payloads. */
334 #define DEFAULT_MAX_NOTIFICATION_CLIENT_MESSAGE_PAYLOAD_SIZE 65536
335
336 /* Default maximal size of trace archive location. */
337 #define DEFAULT_MAX_TRACE_ARCHIVE_LOCATION_PAYLOAD_SIZE 65536
338
339 /* Default maximal size of message notification channel message payloads. */
340 #define DEFAULT_CLIENT_MAX_QUEUED_NOTIFICATIONS_COUNT 100
341
342
343 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE"
344 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME"
345 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT"
346 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL"
347 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD"
348
349 /*
350 * Name of the intermediate directory used to rename the trace chunk of a
351 * session's first rotation.
352 */
353 #define DEFAULT_TEMPORARY_CHUNK_RENAME_DIRECTORY ".tmp_rename_chunk"
354 #define DEFAULT_ARCHIVED_TRACE_CHUNKS_DIRECTORY "archives"
355
356 /*
357 * Default timer value in usec for the rotate pending polling check on the
358 * relay when a rotation has completed on the consumer.
359 */
360 #define DEFAULT_ROTATE_PENDING_TIMER CONFIG_DEFAULT_ROTATE_PENDING_TIMER
361
362 /*
363 * Returns the default subbuf size.
364 *
365 * This function depends on a value that is set at constructor time, so it is
366 * unsafe to call it from another constructor.
367 */
368 LTTNG_HIDDEN
369 size_t default_get_channel_subbuf_size(void);
370
371 /*
372 * Returns the default metadata subbuf size.
373 *
374 * This function depends on a value that is set at constructor time, so it is
375 * unsafe to call it from another constructor.
376 */
377 LTTNG_HIDDEN
378 size_t default_get_metadata_subbuf_size(void);
379
380 /*
381 * Returns the default subbuf size for the kernel domain.
382 *
383 * This function depends on a value that is set at constructor time, so it is
384 * unsafe to call it from another constructor.
385 */
386 LTTNG_HIDDEN
387 size_t default_get_kernel_channel_subbuf_size(void);
388
389 /*
390 * Returns the default subbuf size for the UST domain per PID.
391 *
392 * This function depends on a value that is set at constructor time, so it is
393 * unsafe to call it from another constructor.
394 */
395 LTTNG_HIDDEN
396 size_t default_get_ust_pid_channel_subbuf_size(void);
397
398 /*
399 * Returns the default subbuf size for the UST domain per UID.
400 *
401 * This function depends on a value that is set at constructor time, so it is
402 * unsafe to call it from another constructor.
403 */
404 LTTNG_HIDDEN
405 size_t default_get_ust_uid_channel_subbuf_size(void);
406
407 /*
408 * Get the default pthread_attr to use on thread creation.
409 *
410 * Some libc, such as musl, don't honor the limit set for the stack size and use
411 * their own empirically chosen static value. This function checks if the
412 * current stack size is smaller than the stack size limit and if so returns a
413 * pthread_attr_t pointer where the thread stack size is set to the soft stack
414 * size limit.
415 */
416 LTTNG_HIDDEN
417 pthread_attr_t *default_pthread_attr(void);
418
419 #endif /* _DEFAULTS_H */
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