0b6cb763c0685e128c6947c34ea8638e4ed91ae2
2 * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
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
14 #include <common/macros.h>
16 /* Default unix group name for tracing. */
17 #define DEFAULT_TRACING_GROUP "tracing"
20 * This value is defined in the CTF specification (see
21 * git://git.efficios.com/ctf.git in the file
22 * common-trace-format-specification.txt.
24 #define DEFAULT_METADATA_NAME "metadata"
26 /* Environment variable to set session daemon binary path. */
27 #define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH"
29 /* Environment variable to set man pager binary path. */
30 #define DEFAULT_MAN_BIN_PATH_ENV "LTTNG_MAN_BIN_PATH"
32 /* Default man pager binary path. */
33 #define DEFAULT_MAN_BIN_PATH "/usr/bin/man"
35 /* Default trace output directory name */
36 #define DEFAULT_TRACE_DIR_NAME "lttng-traces"
38 /* Default size of a hash table */
39 #define DEFAULT_HT_SIZE 4
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"
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"
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"
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.
59 #define DEFAULT_SESSION_NAME "auto"
61 /* Default consumer paths */
62 #define DEFAULT_CONSUMERD_FILE "lttng-consumerd"
64 /* Default consumer paths */
65 #define DEFAULT_CONSUMERD_RUNDIR "%s"
67 /* Kernel consumer path */
68 #define DEFAULT_KCONSUMERD_PATH DEFAULT_CONSUMERD_RUNDIR "/kconsumerd"
69 #define DEFAULT_KCONSUMERD_CMD_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/command"
70 #define DEFAULT_KCONSUMERD_ERR_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/error"
72 /* UST 64-bit consumer path */
73 #define DEFAULT_USTCONSUMERD64_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64"
74 #define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/command"
75 #define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/error"
77 /* UST 32-bit consumer path */
78 #define DEFAULT_USTCONSUMERD32_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32"
79 #define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command"
80 #define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error"
83 #define DEFAULT_RELAYD_RUNDIR "%s"
84 #define DEFAULT_RELAYD_PATH DEFAULT_RELAYD_RUNDIR "/relayd"
86 #define DEFAULT_RELAYD_MIN_FD_POOL_SIZE 100
88 * The file descriptor pool size needs a reserve buffer to accomodate the
89 * indirect use of short-lived file descriptors. For instance, glibc will
90 * create a socket (and thus, use an fd) during calls to gethostname() or
91 * when querying the user's group. Other calls also probably make use of
94 * The theoritical maximal reserve corresponds to the number of threads as,
95 * in the worst case, they could all be making such calls.
97 * This value must be less than DEFAULT_RELAYD_MIN_FD_POOL_SIZE.
99 #define DEFAULT_RELAYD_FD_POOL_SIZE_RESERVE 10
101 /* Default lttng run directory */
102 #define DEFAULT_LTTNG_HOME_ENV_VAR "LTTNG_HOME"
103 #define DEFAULT_LTTNG_FALLBACK_HOME_ENV_VAR "HOME"
104 #define DEFAULT_LTTNG_RUNDIR CONFIG_LTTNG_SYSTEM_RUNDIR
105 #define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng"
106 #define DEFAULT_LTTNG_SESSIOND_PIDFILE "lttng-sessiond.pid"
107 #define DEFAULT_LTTNG_SESSIOND_AGENTPORT_FILE "agent.port"
108 #define DEFAULT_LTTNG_SESSIOND_LOCKFILE "lttng-sessiond.lck"
110 /* Default probes list */
111 #define DEFAULT_LTTNG_KMOD_PROBES "LTTNG_KMOD_PROBES"
113 /* Default extra probes list */
114 #define DEFAULT_LTTNG_EXTRA_KMOD_PROBES "LTTNG_EXTRA_KMOD_PROBES"
116 /* Default unix socket path */
117 #define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond"
118 #define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
119 #define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/sessiond-health"
120 #define DEFAULT_HOME_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/sessiond-health"
121 #define DEFAULT_GLOBAL_NOTIFICATION_CHANNEL_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/sessiond-notification"
122 #define DEFAULT_HOME_NOTIFICATION_CHANNEL_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/sessiond-notification"
124 /* Default consumer health unix socket path */
125 #define DEFAULT_GLOBAL_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd32/health"
126 #define DEFAULT_HOME_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd32/health"
127 #define DEFAULT_GLOBAL_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd64/health"
128 #define DEFAULT_HOME_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd64/health"
129 #define DEFAULT_GLOBAL_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/kconsumerd/health"
130 #define DEFAULT_HOME_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/kconsumerd/health"
132 /* Default relay health unix socket path */
133 #define DEFAULT_GLOBAL_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/relayd/health-%d"
134 #define DEFAULT_HOME_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/relayd/health-%d"
136 /* Default daemon configuration file path */
137 #define DEFAULT_SYSTEM_CONFIGPATH CONFIG_LTTNG_SYSTEM_CONFIGDIR \
140 #define DEFAULT_DAEMON_CONFIG_FILE "lttng.conf"
141 #define DEFAULT_DAEMON_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \
142 DEFAULT_DAEMON_CONFIG_FILE
143 #define DEFAULT_DAEMON_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \
144 DEFAULT_DAEMON_CONFIG_FILE
146 /* Default session configuration file path */
147 #define DEFAULT_SESSION_PATH "sessions"
148 /* Auto load session in that directory. */
149 #define DEFAULT_SESSION_CONFIG_AUTOLOAD "auto"
150 #define DEFAULT_SESSION_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \
152 #define DEFAULT_SESSION_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \
154 #define DEFAULT_SESSION_CONFIG_FILE_EXTENSION ".lttng"
155 #define DEFAULT_SESSION_CONFIG_XSD_FILENAME "session.xsd"
156 #define DEFAULT_SESSION_CONFIG_XSD_PATH CONFIG_LTTNG_SYSTEM_DATADIR "/xml/lttng/"
157 #define DEFAULT_SESSION_CONFIG_XSD_PATH_ENV "LTTNG_SESSION_CONFIG_XSD_PATH"
159 #define DEFAULT_GLOBAL_APPS_UNIX_SOCK \
160 DEFAULT_LTTNG_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
161 #define DEFAULT_HOME_APPS_UNIX_SOCK \
162 DEFAULT_LTTNG_HOME_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
163 #define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH \
164 "/" LTTNG_UST_WAIT_FILENAME
165 #define DEFAULT_HOME_APPS_WAIT_SHM_PATH \
166 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 Python domain channel name. */
197 #define DEFAULT_PYTHON_CHANNEL_NAME "lttng_python_channel"
198 /* Default Python tracepoint name. This is a wildcard for the python domain. */
199 #define DEFAULT_PYTHON_EVENT_COMPONENT "lttng_python"
200 #define DEFAULT_PYTHON_EVENT_NAME DEFAULT_PYTHON_EVENT_COMPONENT ":*"
202 #define DEFAULT_CHANNEL_OVERWRITE -1
203 #define DEFAULT_CHANNEL_TRACEFILE_SIZE CONFIG_DEFAULT_CHANNEL_TRACEFILE_SIZE
204 #define DEFAULT_CHANNEL_TRACEFILE_COUNT CONFIG_DEFAULT_CHANNEL_TRACEFILE_COUNT
206 #define _DEFAULT_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_CHANNEL_SUBBUF_SIZE
207 #define _DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
209 /* Metadata channel defaults. */
210 #define DEFAULT_METADATA_SUBBUF_SIZE CONFIG_DEFAULT_METADATA_SUBBUF_SIZE
211 #define DEFAULT_METADATA_SUBBUF_NUM CONFIG_DEFAULT_METADATA_SUBBUF_NUM
212 #define DEFAULT_METADATA_CACHE_SIZE CONFIG_DEFAULT_METADATA_CACHE_SIZE
213 #define DEFAULT_METADATA_SWITCH_TIMER CONFIG_DEFAULT_METADATA_SWITCH_TIMER
214 #define DEFAULT_METADATA_READ_TIMER CONFIG_DEFAULT_METADATA_READ_TIMER
215 #define DEFAULT_METADATA_OUTPUT _DEFAULT_CHANNEL_OUTPUT
217 /* Kernel has different defaults */
219 /* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
220 #define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE
222 * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
223 * Update help manually if override.
225 #define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM
226 /* See lttng-kernel.h enum lttng_kernel_output for channel output */
227 #define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
228 #define DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER
229 #define DEFAULT_KERNEL_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_MONITOR_TIMER
230 #define DEFAULT_KERNEL_CHANNEL_READ_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_READ_TIMER
231 #define DEFAULT_KERNEL_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_LIVE_TIMER
232 #define DEFAULT_KERNEL_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_KERNEL_CHANNEL_BLOCKING_TIMEOUT
234 /* User space defaults */
236 /* Must be a power of 2 */
237 #define DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE
238 #define DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE
239 /* Must be a power of 2. Update help manuall if override. */
240 #define DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM
241 #define DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM
242 /* See lttng-ust.h enum lttng_ust_output */
243 #define DEFAULT_UST_PID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
244 #define DEFAULT_UST_UID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
245 /* Timers in usec. */
246 #define DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER
247 #define DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER
248 #define DEFAULT_UST_PID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_LIVE_TIMER
249 #define DEFAULT_UST_UID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_LIVE_TIMER
250 #define DEFAULT_UST_PID_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_MONITOR_TIMER
251 #define DEFAULT_UST_UID_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_MONITOR_TIMER
253 #define DEFAULT_UST_PID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_READ_TIMER
254 #define DEFAULT_UST_UID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_READ_TIMER
256 #define DEFAULT_UST_PID_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_UST_PID_CHANNEL_BLOCKING_TIMEOUT
257 #define DEFAULT_UST_UID_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_UST_UID_CHANNEL_BLOCKING_TIMEOUT
260 * Default timeout value for the sem_timedwait() call. Blocking forever is not
261 * wanted so a timeout is used to control the data flow and not freeze the
264 #define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */
266 /* Default bind addresses for network services. */
267 #define DEFAULT_NETWORK_CONTROL_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_CONTROL_BIND_ADDRESS
268 #define DEFAULT_NETWORK_DATA_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_DATA_BIND_ADDRESS
269 #define DEFAULT_NETWORK_VIEWER_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_VIEWER_BIND_ADDRESS
270 #define DEFAULT_AGENT_BIND_ADDRESS CONFIG_DEFAULT_AGENT_BIND_ADDRESS
272 /* Default network ports for trace streaming support. */
273 #define DEFAULT_NETWORK_CONTROL_PORT CONFIG_DEFAULT_NETWORK_CONTROL_PORT
274 #define DEFAULT_NETWORK_DATA_PORT CONFIG_DEFAULT_NETWORK_DATA_PORT
275 #define DEFAULT_NETWORK_VIEWER_PORT CONFIG_DEFAULT_NETWORK_VIEWER_PORT
277 /* Agent registration TCP port range. */
278 #define DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN CONFIG_DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN
279 #define DEFAULT_AGENT_TCP_PORT_RANGE_END CONFIG_DEFAULT_AGENT_TCP_PORT_RANGE_END
282 * If a thread stalls for this amount of time, it will be considered bogus (bad
285 #define DEFAULT_HEALTH_CHECK_DELTA_S 20
286 #define DEFAULT_HEALTH_CHECK_DELTA_NS 0
289 * Wait period before retrying the lttng_data_pending command in the lttng
290 * stop command of liblttng-ctl.
292 #define DEFAULT_DATA_AVAILABILITY_WAIT_TIME_US 200000 /* usec */
295 * Wait period before retrying the lttng_consumer_flushed_cache when
296 * the consumer receives metadata.
298 #define DEFAULT_METADATA_AVAILABILITY_WAIT_TIME 200000 /* usec */
301 * The usual value for the maximum TCP SYN retries time and TCP FIN timeout is
302 * 180 and 60 seconds on most Linux system and the default value since kernel
303 * 2.2 thus using the highest value. See tcp(7) for more details.
305 #define DEFAULT_INET_TCP_TIMEOUT 180 /* sec */
307 /* Maximum payload size for a control connection */
309 #define DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE CONFIG_DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE
312 * Default receiving and sending timeout for an application socket.
314 #define DEFAULT_APP_SOCKET_RW_TIMEOUT CONFIG_DEFAULT_APP_SOCKET_RW_TIMEOUT
315 #define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT"
317 #define DEFAULT_UST_STREAM_FD_NUM 2 /* Number of fd per UST stream. */
319 #define DEFAULT_SNAPSHOT_NAME "snapshot"
320 #define DEFAULT_SNAPSHOT_MAX_SIZE 0 /* Unlimited. */
322 /* Suffix of an index file. */
323 #define DEFAULT_INDEX_FILE_SUFFIX ".idx"
324 #define DEFAULT_INDEX_DIR "index"
326 /* Default lttng command live timer value in usec. */
327 #define DEFAULT_LTTNG_LIVE_TIMER CONFIG_DEFAULT_LTTNG_LIVE_TIMER
329 /* Default runas worker name */
330 #define DEFAULT_RUN_AS_WORKER_NAME "lttng-runas"
332 /* Default LTTng MI XML namespace. */
333 #define DEFAULT_LTTNG_MI_NAMESPACE "https://lttng.org/xml/ns/lttng-mi"
335 /* Default thread stack size; the default mandated by pthread_create(3) */
336 #define DEFAULT_LTTNG_THREAD_STACK_SIZE 2097152
338 /* Default maximal size of message notification channel message payloads. */
339 #define DEFAULT_MAX_NOTIFICATION_CLIENT_MESSAGE_PAYLOAD_SIZE 65536
341 /* Default maximal size of trace archive location. */
342 #define DEFAULT_MAX_TRACE_ARCHIVE_LOCATION_PAYLOAD_SIZE 65536
344 /* Default maximal size of message notification channel message payloads. */
345 #define DEFAULT_CLIENT_MAX_QUEUED_NOTIFICATIONS_COUNT 100
348 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE"
349 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME"
350 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT"
351 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL"
352 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD"
353 #define DEFAULT_LTTNG_RELAYD_DISALLOW_CLEAR_ENV "LTTNG_RELAYD_DISALLOW_CLEAR"
355 #define DEFAULT_LTTNG_RELAYD_WORKING_DIRECTORY_ENV "LTTNG_RELAYD_WORKING_DIRECTORY"
358 * Name of the intermediate directory used to rename the trace chunk of a
359 * session's first rotation.
361 #define DEFAULT_CHUNK_TMP_OLD_DIRECTORY ".tmp_old_chunk"
362 #define DEFAULT_CHUNK_TMP_NEW_DIRECTORY ".tmp_new_chunk"
363 #define DEFAULT_ARCHIVED_TRACE_CHUNKS_DIRECTORY "archives"
364 #define DEFAULT_UNLINKED_FILES_DIRECTORY ".unlinked"
367 * Default timer value in usec for the rotate pending polling check on the
368 * relay when a rotation has completed on the consumer.
370 #define DEFAULT_ROTATE_PENDING_TIMER CONFIG_DEFAULT_ROTATE_PENDING_TIMER
373 * Returns the default subbuf size.
375 * This function depends on a value that is set at constructor time, so it is
376 * unsafe to call it from another constructor.
379 size_t default_get_channel_subbuf_size(void);
382 * Returns the default metadata subbuf size.
384 * This function depends on a value that is set at constructor time, so it is
385 * unsafe to call it from another constructor.
388 size_t default_get_metadata_subbuf_size(void);
391 * Returns the default subbuf size for the kernel domain.
393 * This function depends on a value that is set at constructor time, so it is
394 * unsafe to call it from another constructor.
397 size_t default_get_kernel_channel_subbuf_size(void);
400 * Returns the default subbuf size for the UST domain per PID.
402 * This function depends on a value that is set at constructor time, so it is
403 * unsafe to call it from another constructor.
406 size_t default_get_ust_pid_channel_subbuf_size(void);
409 * Returns the default subbuf size for the UST domain per UID.
411 * This function depends on a value that is set at constructor time, so it is
412 * unsafe to call it from another constructor.
415 size_t default_get_ust_uid_channel_subbuf_size(void);
418 * Get the default pthread_attr to use on thread creation.
420 * Some libc, such as musl, don't honor the limit set for the stack size and use
421 * their own empirically chosen static value. This function checks if the
422 * current stack size is smaller than the stack size limit and if so returns a
423 * pthread_attr_t pointer where the thread stack size is set to the soft stack
427 pthread_attr_t
*default_pthread_attr(void);
429 #endif /* _DEFAULTS_H */
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