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>
20 /* Default unix group name for tracing. */
21 #define DEFAULT_TRACING_GROUP "tracing"
24 * This value is defined in the CTF specification (see
25 * git://git.efficios.com/ctf.git in the file
26 * common-trace-format-specification.txt.
28 #define DEFAULT_METADATA_NAME "metadata"
30 /* Environment variable to set session daemon binary path. */
31 #define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH"
33 /* Environment variable to set man pager binary path. */
34 #define DEFAULT_MAN_BIN_PATH_ENV "LTTNG_MAN_BIN_PATH"
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 DEFAULT_LTTNG_HOME_RUNDIR "/sessiond-notification"
128 /* Default consumer health unix socket path */
129 #define DEFAULT_GLOBAL_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd32/health"
130 #define DEFAULT_HOME_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd32/health"
131 #define DEFAULT_GLOBAL_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd64/health"
132 #define DEFAULT_HOME_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd64/health"
133 #define DEFAULT_GLOBAL_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/kconsumerd/health"
134 #define DEFAULT_HOME_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/kconsumerd/health"
136 /* Default relay health unix socket path */
137 #define DEFAULT_GLOBAL_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/relayd/health-%d"
138 #define DEFAULT_HOME_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/relayd/health-%d"
140 /* Default daemon configuration file path */
141 #define DEFAULT_SYSTEM_CONFIGPATH CONFIG_LTTNG_SYSTEM_CONFIGDIR \
144 #define DEFAULT_DAEMON_CONFIG_FILE "lttng.conf"
145 #define DEFAULT_DAEMON_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \
146 DEFAULT_DAEMON_CONFIG_FILE
147 #define DEFAULT_DAEMON_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \
148 DEFAULT_DAEMON_CONFIG_FILE
150 /* Default session configuration file path */
151 #define DEFAULT_SESSION_PATH "sessions"
152 /* Auto load session in that directory. */
153 #define DEFAULT_SESSION_CONFIG_AUTOLOAD "auto"
154 #define DEFAULT_SESSION_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \
156 #define DEFAULT_SESSION_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \
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 \
164 DEFAULT_LTTNG_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
165 #define DEFAULT_HOME_APPS_UNIX_SOCK \
166 DEFAULT_LTTNG_HOME_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
167 #define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH \
168 "/" LTTNG_UST_WAIT_FILENAME
169 #define DEFAULT_HOME_APPS_WAIT_SHM_PATH \
170 DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "-%d"
173 * Value taken from the hard limit allowed by the kernel when using setrlimit
174 * with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3.
176 #define DEFAULT_POLL_SIZE 65535
179 * Format is %s_%d respectively channel name and CPU number. Eigth bytes
180 * are added here to add space for the CPU number. I guess 2^8 CPUs is more
181 * than enough. We might end up with quantum computing in a cell phone when
182 * reaching this limit.
184 #define DEFAULT_STREAM_NAME_LEN LTTNG_SYMBOL_NAME_LEN + 8
186 /* Default channel attributes */
187 #define DEFAULT_CHANNEL_NAME "channel0"
188 /* Default JUL domain channel name. */
189 #define DEFAULT_JUL_CHANNEL_NAME "lttng_jul_channel"
190 /* Default JUL tracepoint name. This is a wildcard for the JUL domain. */
191 #define DEFAULT_JUL_EVENT_COMPONENT "lttng_jul"
192 #define DEFAULT_JUL_EVENT_NAME DEFAULT_JUL_EVENT_COMPONENT ":*"
194 /* Default log4j domain channel name. */
195 #define DEFAULT_LOG4J_CHANNEL_NAME "lttng_log4j_channel"
196 /* Default log4j tracepoint name. This is a wildcard for the log4j domain. */
197 #define DEFAULT_LOG4J_EVENT_COMPONENT "lttng_log4j"
198 #define DEFAULT_LOG4J_EVENT_NAME DEFAULT_LOG4J_EVENT_COMPONENT ":*"
200 /* Default Python domain channel name. */
201 #define DEFAULT_PYTHON_CHANNEL_NAME "lttng_python_channel"
202 /* Default Python tracepoint name. This is a wildcard for the python domain. */
203 #define DEFAULT_PYTHON_EVENT_COMPONENT "lttng_python"
204 #define DEFAULT_PYTHON_EVENT_NAME DEFAULT_PYTHON_EVENT_COMPONENT ":*"
206 #define DEFAULT_CHANNEL_OVERWRITE -1
207 #define DEFAULT_CHANNEL_TRACEFILE_SIZE CONFIG_DEFAULT_CHANNEL_TRACEFILE_SIZE
208 #define DEFAULT_CHANNEL_TRACEFILE_COUNT CONFIG_DEFAULT_CHANNEL_TRACEFILE_COUNT
210 #define _DEFAULT_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_CHANNEL_SUBBUF_SIZE
211 #define _DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
213 /* Metadata channel defaults. */
214 #define DEFAULT_METADATA_SUBBUF_SIZE CONFIG_DEFAULT_METADATA_SUBBUF_SIZE
215 #define DEFAULT_METADATA_SUBBUF_NUM CONFIG_DEFAULT_METADATA_SUBBUF_NUM
216 #define DEFAULT_METADATA_CACHE_SIZE CONFIG_DEFAULT_METADATA_CACHE_SIZE
217 #define DEFAULT_METADATA_SWITCH_TIMER 0
218 #define DEFAULT_METADATA_READ_TIMER 0
219 #define DEFAULT_METADATA_OVERWRITE 0
220 #define DEFAULT_METADATA_OUTPUT LTTNG_EVENT_MMAP
222 /* Kernel has different defaults */
224 /* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
225 #define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE
227 * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
228 * Update help manually if override.
230 #define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM
231 /* See lttng-kernel.h enum lttng_kernel_output for channel output */
232 #define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
233 #define DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER
234 #define DEFAULT_KERNEL_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_MONITOR_TIMER
235 #define DEFAULT_KERNEL_CHANNEL_READ_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_READ_TIMER
236 #define DEFAULT_KERNEL_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_LIVE_TIMER
237 #define DEFAULT_KERNEL_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_KERNEL_CHANNEL_BLOCKING_TIMEOUT
239 /* User space defaults */
241 /* Must be a power of 2 */
242 #define DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE
243 #define DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE
244 /* Must be a power of 2. Update help manuall if override. */
245 #define DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM
246 #define DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM
247 /* See lttng-ust.h enum lttng_ust_output */
248 #define DEFAULT_UST_PID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
249 #define DEFAULT_UST_UID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
250 /* Timers in usec. */
251 #define DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER
252 #define DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER
253 #define DEFAULT_UST_PID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_LIVE_TIMER
254 #define DEFAULT_UST_UID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_LIVE_TIMER
255 #define DEFAULT_UST_PID_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_MONITOR_TIMER
256 #define DEFAULT_UST_UID_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_MONITOR_TIMER
258 #define DEFAULT_UST_PID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_READ_TIMER
259 #define DEFAULT_UST_UID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_READ_TIMER
261 #define DEFAULT_UST_PID_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_UST_PID_CHANNEL_BLOCKING_TIMEOUT
262 #define DEFAULT_UST_UID_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_UST_UID_CHANNEL_BLOCKING_TIMEOUT
265 * Default timeout value for the sem_timedwait() call. Blocking forever is not
266 * wanted so a timeout is used to control the data flow and not freeze the
269 #define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */
271 /* Default bind addresses for network services. */
272 #define DEFAULT_NETWORK_CONTROL_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_CONTROL_BIND_ADDRESS
273 #define DEFAULT_NETWORK_DATA_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_DATA_BIND_ADDRESS
274 #define DEFAULT_NETWORK_VIEWER_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_VIEWER_BIND_ADDRESS
275 #define DEFAULT_AGENT_BIND_ADDRESS CONFIG_DEFAULT_AGENT_BIND_ADDRESS
277 /* Default network ports for trace streaming support. */
278 #define DEFAULT_NETWORK_CONTROL_PORT CONFIG_DEFAULT_NETWORK_CONTROL_PORT
279 #define DEFAULT_NETWORK_DATA_PORT CONFIG_DEFAULT_NETWORK_DATA_PORT
280 #define DEFAULT_NETWORK_VIEWER_PORT CONFIG_DEFAULT_NETWORK_VIEWER_PORT
282 /* Agent registration TCP port range. */
283 #define DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN CONFIG_DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN
284 #define DEFAULT_AGENT_TCP_PORT_RANGE_END CONFIG_DEFAULT_AGENT_TCP_PORT_RANGE_END
286 /* Number of buckets in the event notifier error count map. */
287 #define DEFAULT_EVENT_NOTIFIER_ERROR_COUNT_MAP_SIZE CONFIG_DEFAULT_EVENT_NOTIFIER_ERROR_COUNT_MAP_SIZE
290 * If a thread stalls for this amount of time, it will be considered bogus (bad
293 #define DEFAULT_HEALTH_CHECK_DELTA_S 20
294 #define DEFAULT_HEALTH_CHECK_DELTA_NS 0
297 * Wait period before retrying the lttng_data_pending command in the lttng
298 * stop command of liblttng-ctl.
300 #define DEFAULT_DATA_AVAILABILITY_WAIT_TIME_US 200000 /* usec */
303 * Wait period before retrying the lttng_consumer_flushed_cache when
304 * the consumer receives metadata.
306 #define DEFAULT_METADATA_AVAILABILITY_WAIT_TIME 200000 /* usec */
309 * The usual value for the maximum TCP SYN retries time and TCP FIN timeout is
310 * 180 and 60 seconds on most Linux system and the default value since kernel
311 * 2.2 thus using the highest value. See tcp(7) for more details.
313 #define DEFAULT_INET_TCP_TIMEOUT 180 /* sec */
315 /* Maximum payload size for a control connection */
317 #define DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE CONFIG_DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE
320 * Default receiving and sending timeout for an application socket.
322 #define DEFAULT_APP_SOCKET_RW_TIMEOUT CONFIG_DEFAULT_APP_SOCKET_RW_TIMEOUT
323 #define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT"
325 #define DEFAULT_UST_STREAM_FD_NUM 2 /* Number of fd per UST stream. */
327 #define DEFAULT_SNAPSHOT_NAME "snapshot"
328 #define DEFAULT_SNAPSHOT_MAX_SIZE 0 /* Unlimited. */
330 /* Suffix of an index file. */
331 #define DEFAULT_INDEX_FILE_SUFFIX ".idx"
332 #define DEFAULT_INDEX_DIR "index"
334 /* Default lttng command live timer value in usec. */
335 #define DEFAULT_LTTNG_LIVE_TIMER CONFIG_DEFAULT_LTTNG_LIVE_TIMER
337 /* Default runas worker name */
338 #define DEFAULT_RUN_AS_WORKER_NAME "lttng-runas"
340 /* Default LTTng MI XML namespace. */
341 #define DEFAULT_LTTNG_MI_NAMESPACE "https://lttng.org/xml/ns/lttng-mi"
343 /* Default thread stack size; the default mandated by pthread_create(3) */
344 #define DEFAULT_LTTNG_THREAD_STACK_SIZE 2097152
346 /* Default maximal size of message notification channel message payloads. */
347 #define DEFAULT_MAX_NOTIFICATION_CLIENT_MESSAGE_PAYLOAD_SIZE 65536
349 /* Default maximal size of trace archive location. */
350 #define DEFAULT_MAX_TRACE_ARCHIVE_LOCATION_PAYLOAD_SIZE 65536
352 /* Default maximal size of message notification channel message payloads. */
353 #define DEFAULT_CLIENT_MAX_QUEUED_NOTIFICATIONS_COUNT 100
356 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE"
357 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME"
358 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT"
359 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL"
360 #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD"
361 #define DEFAULT_LTTNG_RELAYD_DISALLOW_CLEAR_ENV "LTTNG_RELAYD_DISALLOW_CLEAR"
363 #define DEFAULT_LTTNG_RELAYD_WORKING_DIRECTORY_ENV "LTTNG_RELAYD_WORKING_DIRECTORY"
366 * Name of the intermediate directory used to rename the trace chunk of a
367 * session's first rotation.
369 #define DEFAULT_CHUNK_TMP_OLD_DIRECTORY ".tmp_old_chunk"
370 #define DEFAULT_CHUNK_TMP_NEW_DIRECTORY ".tmp_new_chunk"
371 #define DEFAULT_ARCHIVED_TRACE_CHUNKS_DIRECTORY "archives"
372 #define DEFAULT_UNLINKED_FILES_DIRECTORY ".unlinked"
375 * Default timer value in usec for the rotate pending polling check on the
376 * relay when a rotation has completed on the consumer.
378 #define DEFAULT_ROTATE_PENDING_TIMER CONFIG_DEFAULT_ROTATE_PENDING_TIMER
381 * Returns the default subbuf size.
383 * This function depends on a value that is set at constructor time, so it is
384 * unsafe to call it from another constructor.
386 size_t default_get_channel_subbuf_size(void);
389 * Returns the default metadata subbuf size.
391 * This function depends on a value that is set at constructor time, so it is
392 * unsafe to call it from another constructor.
394 size_t default_get_metadata_subbuf_size(void);
397 * Returns the default subbuf size for the kernel domain.
399 * This function depends on a value that is set at constructor time, so it is
400 * unsafe to call it from another constructor.
402 size_t default_get_kernel_channel_subbuf_size(void);
405 * Returns the default subbuf size for the UST domain per PID.
407 * This function depends on a value that is set at constructor time, so it is
408 * unsafe to call it from another constructor.
410 size_t default_get_ust_pid_channel_subbuf_size(void);
413 * Returns the default subbuf size for the UST domain per UID.
415 * This function depends on a value that is set at constructor time, so it is
416 * unsafe to call it from another constructor.
418 size_t default_get_ust_uid_channel_subbuf_size(void);
421 * Get the default pthread_attr to use on thread creation.
423 * Some libc, such as musl, don't honor the limit set for the stack size and use
424 * their own empirically chosen static value. This function checks if the
425 * current stack size is smaller than the stack size limit and if so returns a
426 * pthread_attr_t pointer where the thread stack size is set to the soft stack
429 pthread_attr_t
*default_pthread_attr(void);
435 #endif /* _DEFAULTS_H */
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