Fix: location of various standard headers
[lttng-tools.git] / src / common / defaults.h
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9bda164d 1/*
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2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
3 * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
78d8fb4f 4 * 2015 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
9bda164d 5 *
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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.
9bda164d 9 *
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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
d14d33bf 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
e848fc76 13 * more details.
9bda164d 14 *
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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.
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18 */
19
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20#ifndef _DEFAULTS_H
21#define _DEFAULTS_H
e848fc76 22
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23#include <src/common/macros.h>
24
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25/* Default unix group name for tracing. */
26#define DEFAULT_TRACING_GROUP "tracing"
27
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28/*
29 * This value is defined in the CTF specification (see
30 * git://git.efficios.com/ctf.git in the file
31 * common-trace-format-specification.txt.
32 */
33#define DEFAULT_METADATA_NAME "metadata"
34
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35/* Environment variable to set session daemon binary path. */
36#define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH"
37
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38/* Environment variable to set man pager binary path. */
39#define DEFAULT_MAN_BIN_PATH_ENV "LTTNG_MAN_BIN_PATH"
40
41/* Default man pager binary path. */
42#define DEFAULT_MAN_BIN_PATH "/usr/bin/man"
43
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44/* Default trace output directory name */
45#define DEFAULT_TRACE_DIR_NAME "lttng-traces"
46
f6a9efaa 47/* Default size of a hash table */
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48#define DEFAULT_HT_SIZE 4
49
50/* Default session daemon paths */
51#define DEFAULT_HOME_DIR "/tmp"
52#define DEFAULT_UST_SOCK_DIR DEFAULT_HOME_DIR "/ust-app-socks"
53#define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global"
54#define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng"
55
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56/* Default directory where the trace are written in per domain */
57#define DEFAULT_KERNEL_TRACE_DIR "/kernel"
58#define DEFAULT_UST_TRACE_DIR "/ust"
59
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60/* Subpath for per PID or UID sessions. */
61#define DEFAULT_UST_TRACE_PID_PATH "/pid"
62#define DEFAULT_UST_TRACE_UID_PATH "/uid/%d/%u-bit"
63
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64/*
65 * Default session name for the lttng command line. This default value will
66 * get the date and time appended (%Y%m%d-%H%M%S) to it.
67 */
07424f16 68#define DEFAULT_SESSION_NAME "auto"
a4b92340 69
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70/* Default consumer paths */
71#define DEFAULT_CONSUMERD_RUNDIR "%s"
72
73/* Kernel consumer path */
74#define DEFAULT_KCONSUMERD_PATH DEFAULT_CONSUMERD_RUNDIR "/kconsumerd"
75#define DEFAULT_KCONSUMERD_CMD_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/command"
76#define DEFAULT_KCONSUMERD_ERR_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/error"
77
78/* UST 64-bit consumer path */
79#define DEFAULT_USTCONSUMERD64_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64"
80#define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/command"
81#define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/error"
82
83/* UST 32-bit consumer path */
84#define DEFAULT_USTCONSUMERD32_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32"
85#define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command"
86#define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error"
87
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88/* Relayd path */
89#define DEFAULT_RELAYD_RUNDIR "%s"
90#define DEFAULT_RELAYD_PATH DEFAULT_RELAYD_RUNDIR "/relayd"
91
990570ed 92/* Default lttng run directory */
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93#define DEFAULT_LTTNG_HOME_ENV_VAR "LTTNG_HOME"
94#define DEFAULT_LTTNG_FALLBACK_HOME_ENV_VAR "HOME"
d386c872 95#define DEFAULT_LTTNG_RUNDIR CONFIG_LTTNG_SYSTEM_RUNDIR
60922cb0 96#define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng"
35f90c40 97#define DEFAULT_LTTNG_SESSIOND_PIDFILE "lttng-sessiond.pid"
1b2ef7fe 98#define DEFAULT_LTTNG_SESSIOND_AGENTPORT_FILE "agent.port"
c9cb3e7d 99#define DEFAULT_LTTNG_SESSIOND_LOCKFILE "lttng-sessiond.lck"
990570ed 100
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101/* Default probes list */
102#define DEFAULT_LTTNG_KMOD_PROBES "LTTNG_KMOD_PROBES"
103
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104/* Default extra probes list */
105#define DEFAULT_LTTNG_EXTRA_KMOD_PROBES "LTTNG_EXTRA_KMOD_PROBES"
106
990570ed 107/* Default unix socket path */
60922cb0 108#define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond"
60922cb0 109#define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
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110#define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/sessiond-health"
111#define DEFAULT_HOME_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/sessiond-health"
990570ed 112
5c635c72 113/* Default consumer health unix socket path */
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114#define DEFAULT_GLOBAL_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd32/health"
115#define DEFAULT_HOME_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd32/health"
116#define DEFAULT_GLOBAL_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd64/health"
117#define DEFAULT_HOME_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd64/health"
118#define DEFAULT_GLOBAL_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/kconsumerd/health"
119#define DEFAULT_HOME_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/kconsumerd/health"
5c635c72 120
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121/* Default relay health unix socket path */
122#define DEFAULT_GLOBAL_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/relayd/health-%d"
123#define DEFAULT_HOME_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/relayd/health-%d"
124
1501a7f3 125/* Default daemon configuration file path */
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126#define DEFAULT_SYSTEM_CONFIGPATH CONFIG_LTTNG_SYSTEM_CONFIGDIR \
127 "/lttng"
128
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129#define DEFAULT_DAEMON_CONFIG_FILE "lttng.conf"
130#define DEFAULT_DAEMON_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \
131 DEFAULT_DAEMON_CONFIG_FILE
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132#define DEFAULT_DAEMON_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \
133 DEFAULT_DAEMON_CONFIG_FILE
134
135/* Default session configuration file path */
136#define DEFAULT_SESSION_PATH "sessions"
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137/* Auto load session in that directory. */
138#define DEFAULT_SESSION_CONFIG_AUTOLOAD "auto"
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139#define DEFAULT_SESSION_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \
140 DEFAULT_SESSION_PATH
141#define DEFAULT_SESSION_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \
142 DEFAULT_SESSION_PATH
143#define DEFAULT_SESSION_CONFIG_FILE_EXTENSION ".lttng"
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144#define DEFAULT_SESSION_CONFIG_XSD_FILENAME "session.xsd"
145#define DEFAULT_SESSION_CONFIG_XSD_PATH CONFIG_LTTNG_SYSTEM_DATADIR "/xml/lttng/"
146#define DEFAULT_SESSION_CONFIG_XSD_PATH_ENV "LTTNG_SESSION_CONFIG_XSD_PATH"
1501a7f3 147
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148#define DEFAULT_GLOBAL_APPS_UNIX_SOCK \
149 DEFAULT_LTTNG_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
150#define DEFAULT_HOME_APPS_UNIX_SOCK \
151 DEFAULT_LTTNG_HOME_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
152#define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH \
153 "/" LTTNG_UST_WAIT_FILENAME
154#define DEFAULT_HOME_APPS_WAIT_SHM_PATH \
155 DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "-%d"
156
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157/*
158 * Value taken from the hard limit allowed by the kernel when using setrlimit
159 * with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3.
160 */
161#define DEFAULT_POLL_SIZE 65535
162
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163/*
164 * Format is %s_%d respectively channel name and CPU number. Eigth bytes
165 * are added here to add space for the CPU number. I guess 2^8 CPUs is more
166 * than enough. We might end up with quantum computing in a cell phone when
167 * reaching this limit.
168 */
169#define DEFAULT_STREAM_NAME_LEN LTTNG_SYMBOL_NAME_LEN + 8
170
f3ed775e 171/* Default channel attributes */
3817e7df 172#define DEFAULT_CHANNEL_NAME "channel0"
0475c50c 173/* Default JUL domain channel name. */
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174#define DEFAULT_JUL_CHANNEL_NAME "lttng_jul_channel"
175/* Default JUL tracepoint name. This is a wildcard for the JUL domain. */
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176#define DEFAULT_JUL_EVENT_COMPONENT "lttng_jul"
177#define DEFAULT_JUL_EVENT_NAME DEFAULT_JUL_EVENT_COMPONENT ":*"
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178
179/* Default log4j domain channel name. */
180#define DEFAULT_LOG4J_CHANNEL_NAME "lttng_log4j_channel"
181/* Default log4j tracepoint name. This is a wildcard for the log4j domain. */
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182#define DEFAULT_LOG4J_EVENT_COMPONENT "lttng_log4j"
183#define DEFAULT_LOG4J_EVENT_NAME DEFAULT_LOG4J_EVENT_COMPONENT ":*"
da6c3a50 184
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185/* Default Python domain channel name. */
186#define DEFAULT_PYTHON_CHANNEL_NAME "lttng_python_channel"
187/* Default Python tracepoint name. This is a wildcard for the python domain. */
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188#define DEFAULT_PYTHON_EVENT_COMPONENT "lttng_python"
189#define DEFAULT_PYTHON_EVENT_NAME DEFAULT_PYTHON_EVENT_COMPONENT ":*"
0e115563 190
8d5841ea 191#define DEFAULT_CHANNEL_OVERWRITE -1
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192#define DEFAULT_CHANNEL_TRACEFILE_SIZE CONFIG_DEFAULT_CHANNEL_TRACEFILE_SIZE
193#define DEFAULT_CHANNEL_TRACEFILE_COUNT CONFIG_DEFAULT_CHANNEL_TRACEFILE_COUNT
194
195#define _DEFAULT_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_CHANNEL_SUBBUF_SIZE
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196#define _DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
197
198/* Metadata channel defaults. */
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199#define DEFAULT_METADATA_SUBBUF_SIZE CONFIG_DEFAULT_METADATA_SUBBUF_SIZE
200#define DEFAULT_METADATA_SUBBUF_NUM CONFIG_DEFAULT_METADATA_SUBBUF_NUM
201#define DEFAULT_METADATA_CACHE_SIZE CONFIG_DEFAULT_METADATA_CACHE_SIZE
202#define DEFAULT_METADATA_SWITCH_TIMER CONFIG_DEFAULT_METADATA_SWITCH_TIMER
203#define DEFAULT_METADATA_READ_TIMER CONFIG_DEFAULT_METADATA_READ_TIMER
0a9c6494 204#define DEFAULT_METADATA_OUTPUT _DEFAULT_CHANNEL_OUTPUT
e6ddca71 205
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206/* Kernel has different defaults */
207
208/* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
7659d490 209#define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE
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210/*
211 * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
212 * Update help manually if override.
213 */
7659d490 214#define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM
b389abbe 215/* See lttng-kernel.h enum lttng_kernel_output for channel output */
0a9c6494 216#define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
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217#define DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER
218#define DEFAULT_KERNEL_CHANNEL_READ_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_READ_TIMER
219#define DEFAULT_KERNEL_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_LIVE_TIMER
6bb9e85f 220
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221/* User space defaults */
222
223/* Must be a power of 2 */
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224#define DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE
225#define DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE
9f778c9a 226/* Must be a power of 2. Update help manuall if override. */
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227#define DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM
228#define DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM
28ca4a8b 229/* See lttng-ust.h enum lttng_ust_output */
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230#define DEFAULT_UST_PID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
231#define DEFAULT_UST_UID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
232/* Timers in usec. */
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233#define DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER
234#define DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER
235#define DEFAULT_UST_PID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_LIVE_TIMER
236#define DEFAULT_UST_UID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_LIVE_TIMER
0b0dd29a 237
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238#define DEFAULT_UST_PID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_READ_TIMER
239#define DEFAULT_UST_UID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_READ_TIMER
6bb9e85f 240
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241/*
242 * Default timeout value for the sem_timedwait() call. Blocking forever is not
243 * wanted so a timeout is used to control the data flow and not freeze the
244 * session daemon.
245 */
246#define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */
247
fa91dc52 248/* Default bind addresses for network services. */
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249#define DEFAULT_NETWORK_CONTROL_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_CONTROL_BIND_ADDRESS
250#define DEFAULT_NETWORK_DATA_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_DATA_BIND_ADDRESS
251#define DEFAULT_NETWORK_VIEWER_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_VIEWER_BIND_ADDRESS
252#define DEFAULT_AGENT_BIND_ADDRESS CONFIG_DEFAULT_AGENT_BIND_ADDRESS
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253
254/* Default network ports for trace streaming support. */
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255#define DEFAULT_NETWORK_CONTROL_PORT CONFIG_DEFAULT_NETWORK_CONTROL_PORT
256#define DEFAULT_NETWORK_DATA_PORT CONFIG_DEFAULT_NETWORK_DATA_PORT
257#define DEFAULT_NETWORK_VIEWER_PORT CONFIG_DEFAULT_NETWORK_VIEWER_PORT
3a5713da 258
022d91ba 259/* Agent registration TCP port. */
7659d490 260#define DEFAULT_AGENT_TCP_PORT CONFIG_DEFAULT_AGENT_TCP_PORT
4d076222 261
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262/*
263 * If a thread stalls for this amount of time, it will be considered bogus (bad
264 * health).
265 */
266#define DEFAULT_HEALTH_CHECK_DELTA_S 20
267#define DEFAULT_HEALTH_CHECK_DELTA_NS 0
268
38ee087f 269/*
6d805429 270 * Wait period before retrying the lttng_data_pending command in the lttng
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271 * stop command of liblttng-ctl.
272 */
273#define DEFAULT_DATA_AVAILABILITY_WAIT_TIME 200000 /* usec */
274
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275/*
276 * Wait period before retrying the lttng_consumer_flushed_cache when
277 * the consumer receives metadata.
278 */
279#define DEFAULT_METADATA_AVAILABILITY_WAIT_TIME 200000 /* usec */
280
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281/*
282 * The usual value for the maximum TCP SYN retries time and TCP FIN timeout is
283 * 180 and 60 seconds on most Linux system and the default value since kernel
284 * 2.2 thus using the highest value. See tcp(7) for more details.
285 */
286#define DEFAULT_INET_TCP_TIMEOUT 180 /* sec */
287
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288/*
289 * Default receiving and sending timeout for an application socket.
290 */
7659d490 291#define DEFAULT_APP_SOCKET_RW_TIMEOUT CONFIG_DEFAULT_APP_SOCKET_RW_TIMEOUT
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292#define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT"
293
ffe60014 294#define DEFAULT_UST_STREAM_FD_NUM 2 /* Number of fd per UST stream. */
8b3bd7a3 295
da3c9ec1 296#define DEFAULT_SNAPSHOT_NAME "snapshot"
27babd3a 297#define DEFAULT_SNAPSHOT_MAX_SIZE 0 /* Unlimited. */
da3c9ec1 298
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299/* Suffix of an index file. */
300#define DEFAULT_INDEX_FILE_SUFFIX ".idx"
1c20f0e2 301#define DEFAULT_INDEX_DIR "index"
309167d2 302
d73c5802 303/* Default lttng command live timer value in usec. */
7659d490 304#define DEFAULT_LTTNG_LIVE_TIMER CONFIG_DEFAULT_LTTNG_LIVE_TIMER
d73c5802 305
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306/* Default runas worker name */
307#define DEFAULT_RUN_AS_WORKER_NAME "lttng-runas"
308
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309/* Default LTTng MI XML namespace. */
310#define DEFAULT_LTTNG_MI_NAMESPACE "http://lttng.org/xml/ns/lttng-mi"
311
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312/*
313 * Returns the default subbuf size.
314 *
315 * This function depends on a value that is set at constructor time, so it is
316 * unsafe to call it from another constructor.
317 */
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318LTTNG_HIDDEN
319size_t default_get_channel_subbuf_size(void);
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320
321/*
322 * Returns the default metadata subbuf size.
323 *
324 * This function depends on a value that is set at constructor time, so it is
325 * unsafe to call it from another constructor.
326 */
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327LTTNG_HIDDEN
328size_t default_get_metadata_subbuf_size(void);
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329
330/*
331 * Returns the default subbuf size for the kernel domain.
332 *
333 * This function depends on a value that is set at constructor time, so it is
334 * unsafe to call it from another constructor.
335 */
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336LTTNG_HIDDEN
337size_t default_get_kernel_channel_subbuf_size(void);
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338
339/*
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340 * Returns the default subbuf size for the UST domain per PID.
341 *
342 * This function depends on a value that is set at constructor time, so it is
343 * unsafe to call it from another constructor.
344 */
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345LTTNG_HIDDEN
346size_t default_get_ust_pid_channel_subbuf_size(void);
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347
348/*
349 * Returns the default subbuf size for the UST domain per UID.
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350 *
351 * This function depends on a value that is set at constructor time, so it is
352 * unsafe to call it from another constructor.
353 */
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354LTTNG_HIDDEN
355size_t default_get_ust_uid_channel_subbuf_size(void);
8b3bd7a3 356
990570ed 357#endif /* _DEFAULTS_H */
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