2 * Copyright (C) 2011 EfficiOS Inc.
3 * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
4 * Copyright (C) 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
6 * SPDX-License-Identifier: GPL-2.0-only
13 #include <common/macros.hpp>
17 /* Default unix group name for tracing. */
18 #define DEFAULT_TRACING_GROUP "tracing"
21 * This value is defined in the CTF specification (see
22 * git://git.efficios.com/ctf.git in the file
23 * common-trace-format-specification.txt.
25 #define DEFAULT_METADATA_NAME "metadata"
27 /* Environment variable to set session daemon binary path. */
28 #define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH"
30 /* Environment variable to set man pager binary path. */
31 #define DEFAULT_MAN_BIN_PATH_ENV "LTTNG_MAN_BIN_PATH"
33 /* Environment variable to set man manpath. */
34 #define DEFAULT_MANPATH "LTTNG_MANPATH"
36 /* Default man pager binary path. */
37 #define DEFAULT_MAN_BIN_PATH "/usr/bin/man"
39 /* Default trace output directory name */
40 #define DEFAULT_TRACE_DIR_NAME "lttng-traces"
42 /* Default size of a hash table */
43 #define DEFAULT_HT_SIZE 4
45 /* Default session daemon paths */
46 #define DEFAULT_HOME_DIR "/tmp"
47 #define DEFAULT_UST_SOCK_DIR DEFAULT_HOME_DIR "/ust-app-socks"
48 #define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global"
49 #define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng"
51 /* Default directory where the trace are written in per domain */
52 #define DEFAULT_KERNEL_TRACE_DIR "kernel"
53 #define DEFAULT_UST_TRACE_DIR "ust"
55 /* Subpath for per PID or UID sessions. */
56 #define DEFAULT_UST_TRACE_PID_PATH "pid"
57 #define DEFAULT_UST_TRACE_UID_PATH "uid/%d/%u-bit"
60 * Default session name for the lttng command line. This default value will
61 * get the date and time appended (%Y%m%d-%H%M%S) to it.
63 #define DEFAULT_SESSION_NAME "auto"
65 /* Default consumer paths */
66 #define DEFAULT_CONSUMERD_FILE "lttng-consumerd"
68 /* Default consumer paths */
69 #define DEFAULT_CONSUMERD_RUNDIR "%s"
71 /* Kernel consumer path */
72 #define DEFAULT_KCONSUMERD_PATH DEFAULT_CONSUMERD_RUNDIR "/kconsumerd"
73 #define DEFAULT_KCONSUMERD_CMD_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/command"
74 #define DEFAULT_KCONSUMERD_ERR_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/error"
76 /* UST 64-bit consumer path */
77 #define DEFAULT_USTCONSUMERD64_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64"
78 #define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/command"
79 #define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/error"
81 /* UST 32-bit consumer path */
82 #define DEFAULT_USTCONSUMERD32_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32"
83 #define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command"
84 #define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error"
87 #define DEFAULT_RELAYD_RUNDIR "%s"
88 #define DEFAULT_RELAYD_PATH DEFAULT_RELAYD_RUNDIR "/relayd"
90 #define DEFAULT_RELAYD_MIN_FD_POOL_SIZE 100
92 * The file descriptor pool size needs a reserve buffer to accommodates the
93 * indirect use of short-lived file descriptors. For instance, glibc will
94 * create a socket (and thus, use an fd) during calls to gethostname() or
95 * when querying the user's group. Other calls also probably make use of
98 * The theoritical maximal reserve corresponds to the number of threads as,
99 * in the worst case, they could all be making such calls.
101 * This value must be less than DEFAULT_RELAYD_MIN_FD_POOL_SIZE.
103 #define DEFAULT_RELAYD_FD_POOL_SIZE_RESERVE 10
105 /* Default lttng run directory */
106 #define DEFAULT_LTTNG_HOME_ENV_VAR "LTTNG_HOME"
107 #define DEFAULT_LTTNG_FALLBACK_HOME_ENV_VAR "HOME"
108 #define DEFAULT_LTTNG_RUNDIR CONFIG_LTTNG_SYSTEM_RUNDIR
109 #define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng"
110 #define DEFAULT_LTTNG_SESSIOND_PIDFILE "lttng-sessiond.pid"
111 #define DEFAULT_LTTNG_SESSIOND_AGENTPORT_FILE "agent.port"
112 #define DEFAULT_LTTNG_SESSIOND_LOCKFILE "lttng-sessiond.lck"
114 /* Default probes list */
115 #define DEFAULT_LTTNG_KMOD_PROBES "LTTNG_KMOD_PROBES"
117 /* Default extra probes list */
118 #define DEFAULT_LTTNG_EXTRA_KMOD_PROBES "LTTNG_EXTRA_KMOD_PROBES"
120 /* Default unix socket path */
121 #define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond"
122 #define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
123 #define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/sessiond-health"
124 #define DEFAULT_HOME_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/sessiond-health"
125 #define DEFAULT_GLOBAL_NOTIFICATION_CHANNEL_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/sessiond-notification"
126 #define DEFAULT_HOME_NOTIFICATION_CHANNEL_UNIX_SOCK \
127 DEFAULT_LTTNG_HOME_RUNDIR "/sessiond-notification"
129 /* Default consumer health unix socket path */
130 #define DEFAULT_GLOBAL_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd32/health"
131 #define DEFAULT_HOME_USTCONSUMER32_HEALTH_UNIX_SOCK \
132 DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd32/health"
133 #define DEFAULT_GLOBAL_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd64/health"
134 #define DEFAULT_HOME_USTCONSUMER64_HEALTH_UNIX_SOCK \
135 DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd64/health"
136 #define DEFAULT_GLOBAL_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/kconsumerd/health"
137 #define DEFAULT_HOME_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/kconsumerd/health"
139 /* Default relay health unix socket path */
140 #define DEFAULT_GLOBAL_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/relayd/health-%d"
141 #define DEFAULT_HOME_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/relayd/health-%d"
143 /* Default daemon configuration file path */
144 #define DEFAULT_SYSTEM_CONFIGPATH \
145 CONFIG_LTTNG_SYSTEM_CONFIGDIR \
148 #define DEFAULT_DAEMON_CONFIG_FILE "lttng.conf"
149 #define DEFAULT_DAEMON_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" DEFAULT_DAEMON_CONFIG_FILE
150 #define DEFAULT_DAEMON_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" DEFAULT_DAEMON_CONFIG_FILE
152 /* Default session configuration file path */
153 #define DEFAULT_SESSION_PATH "sessions"
154 /* Auto load session in that directory. */
155 #define DEFAULT_SESSION_CONFIG_AUTOLOAD "auto"
156 #define DEFAULT_SESSION_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" DEFAULT_SESSION_PATH
157 #define DEFAULT_SESSION_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" DEFAULT_SESSION_PATH
158 #define DEFAULT_SESSION_CONFIG_FILE_EXTENSION ".lttng"
159 #define DEFAULT_SESSION_CONFIG_XSD_FILENAME "session.xsd"
160 #define DEFAULT_SESSION_CONFIG_XSD_PATH CONFIG_LTTNG_SYSTEM_DATADIR "/xml/lttng/"
161 #define DEFAULT_SESSION_CONFIG_XSD_PATH_ENV "LTTNG_SESSION_CONFIG_XSD_PATH"
163 #define DEFAULT_GLOBAL_APPS_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
164 #define DEFAULT_HOME_APPS_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
165 #define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "/" LTTNG_UST_WAIT_FILENAME
166 #define DEFAULT_HOME_APPS_WAIT_SHM_PATH DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "-%d"
169 * Value taken from the hard limit allowed by the kernel when using setrlimit
170 * with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3.
172 #define DEFAULT_POLL_SIZE 65535
175 * Format is %s_%d respectively channel name and CPU number. Eigth bytes
176 * are added here to add space for the CPU number. I guess 2^8 CPUs is more
177 * than enough. We might end up with quantum computing in a cell phone when
178 * reaching this limit.
180 #define DEFAULT_STREAM_NAME_LEN (LTTNG_SYMBOL_NAME_LEN + 8)
182 /* Default channel attributes */
183 #define DEFAULT_CHANNEL_NAME "channel0"
184 /* Default JUL domain channel name. */
185 #define DEFAULT_JUL_CHANNEL_NAME "lttng_jul_channel"
186 /* Default JUL tracepoint name. This is a wildcard for the JUL domain. */
187 #define DEFAULT_JUL_EVENT_COMPONENT "lttng_jul"
188 #define DEFAULT_JUL_EVENT_NAME DEFAULT_JUL_EVENT_COMPONENT ":*"
190 /* Default log4j domain channel name. */
191 #define DEFAULT_LOG4J_CHANNEL_NAME "lttng_log4j_channel"
192 /* Default log4j tracepoint name. This is a wildcard for the log4j domain. */
193 #define DEFAULT_LOG4J_EVENT_COMPONENT "lttng_log4j"
194 #define DEFAULT_LOG4J_EVENT_NAME DEFAULT_LOG4J_EVENT_COMPONENT ":*"
196 /* Default log4j2 domain channel name. */
197 #define DEFAULT_LOG4J2_CHANNEL_NAME "lttng_log4j2_channel"
198 /* Default log4j tracepoint name. This is a wildcard for the log4j2 domain. */
199 #define DEFAULT_LOG4J2_EVENT_COMPONENT "lttng_log4j2"
200 #define DEFAULT_LOG4J2_EVENT_NAME DEFAULT_LOG4J2_EVENT_COMPONENT ":*"
202 /* Default Python domain channel name. */
203 #define DEFAULT_PYTHON_CHANNEL_NAME "lttng_python_channel"
204 /* Default Python tracepoint name. This is a wildcard for the python domain. */
205 #define DEFAULT_PYTHON_EVENT_COMPONENT "lttng_python"
206 #define DEFAULT_PYTHON_EVENT_NAME DEFAULT_PYTHON_EVENT_COMPONENT ":*"
208 #define DEFAULT_CHANNEL_OVERWRITE (-1)
209 #define DEFAULT_CHANNEL_TRACEFILE_SIZE CONFIG_DEFAULT_CHANNEL_TRACEFILE_SIZE
210 #define DEFAULT_CHANNEL_TRACEFILE_COUNT CONFIG_DEFAULT_CHANNEL_TRACEFILE_COUNT
212 #define _DEFAULT_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_CHANNEL_SUBBUF_SIZE
213 #define _DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
215 /* Metadata channel defaults. */
216 #define DEFAULT_METADATA_SUBBUF_SIZE CONFIG_DEFAULT_METADATA_SUBBUF_SIZE
217 #define DEFAULT_METADATA_SUBBUF_NUM CONFIG_DEFAULT_METADATA_SUBBUF_NUM
218 #define DEFAULT_METADATA_CACHE_SIZE CONFIG_DEFAULT_METADATA_CACHE_SIZE
219 #define DEFAULT_METADATA_SWITCH_TIMER 0
220 #define DEFAULT_METADATA_READ_TIMER 0
221 #define DEFAULT_METADATA_OVERWRITE 0
222 #define DEFAULT_METADATA_OUTPUT LTTNG_EVENT_MMAP
224 /* Kernel has different defaults */
226 /* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
227 #define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE
229 * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
230 * Update help manually if override.
232 #define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM
233 /* See lttng-kernel.h enum lttng_kernel_output for channel output */
234 #define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
235 #define DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER
236 #define DEFAULT_KERNEL_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_MONITOR_TIMER
237 #define DEFAULT_KERNEL_CHANNEL_READ_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_READ_TIMER
238 #define DEFAULT_KERNEL_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_LIVE_TIMER
239 #define DEFAULT_KERNEL_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_KERNEL_CHANNEL_BLOCKING_TIMEOUT
241 /* User space defaults */
243 /* Must be a power of 2 */
244 #define DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE
245 #define DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE
246 /* Must be a power of 2. Update help manuall if override. */
247 #define DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM
248 #define DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM
249 /* See lttng-ust.h enum lttng_ust_output */
250 #define DEFAULT_UST_PID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
251 #define DEFAULT_UST_UID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
252 /* Timers in usec. */
253 #define DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER
254 #define DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER
255 #define DEFAULT_UST_PID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_LIVE_TIMER
256 #define DEFAULT_UST_UID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_LIVE_TIMER
257 #define DEFAULT_UST_PID_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_MONITOR_TIMER
258 #define DEFAULT_UST_UID_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_MONITOR_TIMER
260 #define DEFAULT_UST_PID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_READ_TIMER
261 #define DEFAULT_UST_UID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_READ_TIMER
263 #define DEFAULT_UST_PID_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_UST_PID_CHANNEL_BLOCKING_TIMEOUT
264 #define DEFAULT_UST_UID_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_UST_UID_CHANNEL_BLOCKING_TIMEOUT
267 * Default timeout value for the sem_timedwait() call. Blocking forever is not
268 * wanted so a timeout is used to control the data flow and not freeze the
271 #define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */
273 /* Default bind addresses for network services. */
274 #define DEFAULT_NETWORK_CONTROL_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_CONTROL_BIND_ADDRESS
275 #define DEFAULT_NETWORK_DATA_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_DATA_BIND_ADDRESS
276 #define DEFAULT_NETWORK_VIEWER_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_VIEWER_BIND_ADDRESS
277 #define DEFAULT_AGENT_BIND_ADDRESS CONFIG_DEFAULT_AGENT_BIND_ADDRESS
279 /* Default network ports for trace streaming support. */
280 #define DEFAULT_NETWORK_CONTROL_PORT CONFIG_DEFAULT_NETWORK_CONTROL_PORT
281 #define DEFAULT_NETWORK_DATA_PORT CONFIG_DEFAULT_NETWORK_DATA_PORT
282 #define DEFAULT_NETWORK_VIEWER_PORT CONFIG_DEFAULT_NETWORK_VIEWER_PORT
284 /* Agent registration TCP port range. */
285 #define DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN CONFIG_DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN
286 #define DEFAULT_AGENT_TCP_PORT_RANGE_END CONFIG_DEFAULT_AGENT_TCP_PORT_RANGE_END
288 /* Number of buckets in the event notifier error count map. */
289 #define DEFAULT_EVENT_NOTIFIER_ERROR_COUNT_MAP_SIZE \
290 CONFIG_DEFAULT_EVENT_NOTIFIER_ERROR_COUNT_MAP_SIZE
293 * If a thread stalls for this amount of time, it will be considered bogus (bad
296 #define DEFAULT_HEALTH_CHECK_DELTA_S 20
297 #define DEFAULT_HEALTH_CHECK_DELTA_NS 0
300 * Wait period before retrying the lttng_data_pending command in the lttng
301 * stop command of liblttng-ctl.
303 #define DEFAULT_DATA_AVAILABILITY_WAIT_TIME_US 200000 /* usec */
306 * Wait period before retrying the lttng_consumer_flushed_cache when
307 * the consumer receives metadata.
309 #define DEFAULT_METADATA_AVAILABILITY_WAIT_TIME 200000 /* usec */
312 * The usual value for the maximum TCP SYN retries time and TCP FIN timeout is
313 * 180 and 60 seconds on most Linux system and the default value since kernel
314 * 2.2 thus using the highest value. See tcp(7) for more details.
316 #define DEFAULT_INET_TCP_TIMEOUT 180 /* sec */
318 /* Maximum payload size for a control connection */
320 #define DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE \
321 CONFIG_DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE
324 * Default receiving and sending timeout for an application socket.
326 #define DEFAULT_APP_SOCKET_RW_TIMEOUT CONFIG_DEFAULT_APP_SOCKET_RW_TIMEOUT
327 #define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT"
329 #define DEFAULT_UST_STREAM_FD_NUM 2 /* Number of fd per UST stream. */
331 #define DEFAULT_SNAPSHOT_NAME "snapshot"
332 #define DEFAULT_SNAPSHOT_MAX_SIZE 0 /* Unlimited. */
334 /* Suffix of an index file. */
335 #define DEFAULT_INDEX_FILE_SUFFIX ".idx"
336 #define DEFAULT_INDEX_DIR "index"
338 /* Default lttng command live timer value in usec. */
339 #define DEFAULT_LTTNG_LIVE_TIMER CONFIG_DEFAULT_LTTNG_LIVE_TIMER
341 /* Default runas worker name */
342 #define DEFAULT_RUN_AS_WORKER_NAME "lttng-runas"
344 /* Default LTTng MI XML namespace. */
345 #define DEFAULT_LTTNG_MI_NAMESPACE "https://lttng.org/xml/ns/lttng-mi"
347 /* Default thread stack size; the default mandated by pthread_create(3) */
348 #define DEFAULT_LTTNG_THREAD_STACK_SIZE 2097152
350 /* Default maximal size of message notification channel message payloads. */
351 #define DEFAULT_MAX_NOTIFICATION_CLIENT_MESSAGE_PAYLOAD_SIZE 65536
353 /* Default maximal size of trace archive location. */
354 #define DEFAULT_MAX_TRACE_ARCHIVE_LOCATION_PAYLOAD_SIZE 65536
356 /* Default maximal size of message notification channel message payloads. */
357 #define DEFAULT_CLIENT_MAX_QUEUED_NOTIFICATIONS_COUNT 100
359 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE"
360 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME"
361 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT_ENV \
362 "LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT"
363 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL_ENV \
364 "LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL"
365 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD_ENV \
366 "LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD"
367 #define DEFAULT_LTTNG_RELAYD_DISALLOW_CLEAR_ENV "LTTNG_RELAYD_DISALLOW_CLEAR"
369 #define DEFAULT_LTTNG_RELAYD_WORKING_DIRECTORY_ENV "LTTNG_RELAYD_WORKING_DIRECTORY"
372 * Name of the intermediate directory used to rename the trace chunk of a
373 * session's first rotation.
375 #define DEFAULT_CHUNK_TMP_OLD_DIRECTORY ".tmp_old_chunk"
376 #define DEFAULT_CHUNK_TMP_NEW_DIRECTORY ".tmp_new_chunk"
377 #define DEFAULT_ARCHIVED_TRACE_CHUNKS_DIRECTORY "archives"
378 #define DEFAULT_UNLINKED_FILES_DIRECTORY ".unlinked"
381 * Default timer value in usec for the rotate pending polling check on the
382 * relay when a rotation has completed on the consumer.
384 #define DEFAULT_ROTATE_PENDING_TIMER CONFIG_DEFAULT_ROTATE_PENDING_TIMER
387 * Returns the default subbuf size.
389 * This function depends on a value that is set at constructor time, so it is
390 * unsafe to call it from another constructor.
392 size_t default_get_channel_subbuf_size();
395 * Returns the default metadata subbuf size.
397 * This function depends on a value that is set at constructor time, so it is
398 * unsafe to call it from another constructor.
400 size_t default_get_metadata_subbuf_size();
403 * Returns the default subbuf size for the kernel domain.
405 * This function depends on a value that is set at constructor time, so it is
406 * unsafe to call it from another constructor.
408 size_t default_get_kernel_channel_subbuf_size();
411 * Returns the default subbuf size for the UST domain per PID.
413 * This function depends on a value that is set at constructor time, so it is
414 * unsafe to call it from another constructor.
416 size_t default_get_ust_pid_channel_subbuf_size();
419 * Returns the default subbuf size for the UST domain per UID.
421 * This function depends on a value that is set at constructor time, so it is
422 * unsafe to call it from another constructor.
424 size_t default_get_ust_uid_channel_subbuf_size();
427 * Get the default pthread_attr to use on thread creation.
429 * Some libc, such as musl, don't honor the limit set for the stack size and use
430 * their own empirically chosen static value. This function checks if the
431 * current stack size is smaller than the stack size limit and if so returns a
432 * pthread_attr_t pointer where the thread stack size is set to the soft stack
435 pthread_attr_t *default_pthread_attr();
437 #endif /* _DEFAULTS_H */