Fix: Add missing pthread.h include
[lttng-tools.git] / src / common / defaults.h
CommitLineData
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
5f702b60 23#include <pthread.h>
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24#include <src/common/macros.h>
25
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26/* Default unix group name for tracing. */
27#define DEFAULT_TRACING_GROUP "tracing"
28
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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
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36/* Environment variable to set session daemon binary path. */
37#define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH"
38
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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
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45/* Default trace output directory name */
46#define DEFAULT_TRACE_DIR_NAME "lttng-traces"
47
f6a9efaa 48/* Default size of a hash table */
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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
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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
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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
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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 */
07424f16 69#define DEFAULT_SESSION_NAME "auto"
a4b92340 70
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71/* Default consumer paths */
72#define DEFAULT_CONSUMERD_RUNDIR "%s"
73
74/* Kernel consumer path */
75#define DEFAULT_KCONSUMERD_PATH DEFAULT_CONSUMERD_RUNDIR "/kconsumerd"
76#define DEFAULT_KCONSUMERD_CMD_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/command"
77#define DEFAULT_KCONSUMERD_ERR_SOCK_PATH DEFAULT_KCONSUMERD_PATH "/error"
78
79/* UST 64-bit consumer path */
80#define DEFAULT_USTCONSUMERD64_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd64"
81#define DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/command"
82#define DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH DEFAULT_USTCONSUMERD64_PATH "/error"
83
84/* UST 32-bit consumer path */
85#define DEFAULT_USTCONSUMERD32_PATH DEFAULT_CONSUMERD_RUNDIR "/ustconsumerd32"
86#define DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/command"
87#define DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH DEFAULT_USTCONSUMERD32_PATH "/error"
88
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89/* Relayd path */
90#define DEFAULT_RELAYD_RUNDIR "%s"
91#define DEFAULT_RELAYD_PATH DEFAULT_RELAYD_RUNDIR "/relayd"
92
990570ed 93/* Default lttng run directory */
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94#define DEFAULT_LTTNG_HOME_ENV_VAR "LTTNG_HOME"
95#define DEFAULT_LTTNG_FALLBACK_HOME_ENV_VAR "HOME"
d386c872 96#define DEFAULT_LTTNG_RUNDIR CONFIG_LTTNG_SYSTEM_RUNDIR
60922cb0 97#define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng"
35f90c40 98#define DEFAULT_LTTNG_SESSIOND_PIDFILE "lttng-sessiond.pid"
1b2ef7fe 99#define DEFAULT_LTTNG_SESSIOND_AGENTPORT_FILE "agent.port"
c9cb3e7d 100#define DEFAULT_LTTNG_SESSIOND_LOCKFILE "lttng-sessiond.lck"
990570ed 101
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102/* Default probes list */
103#define DEFAULT_LTTNG_KMOD_PROBES "LTTNG_KMOD_PROBES"
104
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105/* Default extra probes list */
106#define DEFAULT_LTTNG_EXTRA_KMOD_PROBES "LTTNG_EXTRA_KMOD_PROBES"
107
990570ed 108/* Default unix socket path */
60922cb0 109#define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond"
60922cb0 110#define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
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111#define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/sessiond-health"
112#define DEFAULT_HOME_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/sessiond-health"
990570ed 113
5c635c72 114/* Default consumer health unix socket path */
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115#define DEFAULT_GLOBAL_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd32/health"
116#define DEFAULT_HOME_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd32/health"
117#define DEFAULT_GLOBAL_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd64/health"
118#define DEFAULT_HOME_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd64/health"
119#define DEFAULT_GLOBAL_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/kconsumerd/health"
120#define DEFAULT_HOME_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/kconsumerd/health"
5c635c72 121
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122/* Default relay health unix socket path */
123#define DEFAULT_GLOBAL_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/relayd/health-%d"
124#define DEFAULT_HOME_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/relayd/health-%d"
125
1501a7f3 126/* Default daemon configuration file path */
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127#define DEFAULT_SYSTEM_CONFIGPATH CONFIG_LTTNG_SYSTEM_CONFIGDIR \
128 "/lttng"
129
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130#define DEFAULT_DAEMON_CONFIG_FILE "lttng.conf"
131#define DEFAULT_DAEMON_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \
132 DEFAULT_DAEMON_CONFIG_FILE
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133#define DEFAULT_DAEMON_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \
134 DEFAULT_DAEMON_CONFIG_FILE
135
136/* Default session configuration file path */
137#define DEFAULT_SESSION_PATH "sessions"
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138/* Auto load session in that directory. */
139#define DEFAULT_SESSION_CONFIG_AUTOLOAD "auto"
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140#define DEFAULT_SESSION_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \
141 DEFAULT_SESSION_PATH
142#define DEFAULT_SESSION_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \
143 DEFAULT_SESSION_PATH
144#define DEFAULT_SESSION_CONFIG_FILE_EXTENSION ".lttng"
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145#define DEFAULT_SESSION_CONFIG_XSD_FILENAME "session.xsd"
146#define DEFAULT_SESSION_CONFIG_XSD_PATH CONFIG_LTTNG_SYSTEM_DATADIR "/xml/lttng/"
147#define DEFAULT_SESSION_CONFIG_XSD_PATH_ENV "LTTNG_SESSION_CONFIG_XSD_PATH"
1501a7f3 148
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149#define DEFAULT_GLOBAL_APPS_UNIX_SOCK \
150 DEFAULT_LTTNG_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
151#define DEFAULT_HOME_APPS_UNIX_SOCK \
152 DEFAULT_LTTNG_HOME_RUNDIR "/" LTTNG_UST_SOCK_FILENAME
153#define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH \
154 "/" LTTNG_UST_WAIT_FILENAME
155#define DEFAULT_HOME_APPS_WAIT_SHM_PATH \
156 DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "-%d"
157
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158/*
159 * Value taken from the hard limit allowed by the kernel when using setrlimit
160 * with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3.
161 */
162#define DEFAULT_POLL_SIZE 65535
163
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164/*
165 * Format is %s_%d respectively channel name and CPU number. Eigth bytes
166 * are added here to add space for the CPU number. I guess 2^8 CPUs is more
167 * than enough. We might end up with quantum computing in a cell phone when
168 * reaching this limit.
169 */
170#define DEFAULT_STREAM_NAME_LEN LTTNG_SYMBOL_NAME_LEN + 8
171
f3ed775e 172/* Default channel attributes */
3817e7df 173#define DEFAULT_CHANNEL_NAME "channel0"
0475c50c 174/* Default JUL domain channel name. */
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175#define DEFAULT_JUL_CHANNEL_NAME "lttng_jul_channel"
176/* Default JUL tracepoint name. This is a wildcard for the JUL domain. */
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177#define DEFAULT_JUL_EVENT_COMPONENT "lttng_jul"
178#define DEFAULT_JUL_EVENT_NAME DEFAULT_JUL_EVENT_COMPONENT ":*"
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179
180/* Default log4j domain channel name. */
181#define DEFAULT_LOG4J_CHANNEL_NAME "lttng_log4j_channel"
182/* Default log4j tracepoint name. This is a wildcard for the log4j domain. */
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183#define DEFAULT_LOG4J_EVENT_COMPONENT "lttng_log4j"
184#define DEFAULT_LOG4J_EVENT_NAME DEFAULT_LOG4J_EVENT_COMPONENT ":*"
da6c3a50 185
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186/* Default Python domain channel name. */
187#define DEFAULT_PYTHON_CHANNEL_NAME "lttng_python_channel"
188/* Default Python tracepoint name. This is a wildcard for the python domain. */
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189#define DEFAULT_PYTHON_EVENT_COMPONENT "lttng_python"
190#define DEFAULT_PYTHON_EVENT_NAME DEFAULT_PYTHON_EVENT_COMPONENT ":*"
0e115563 191
8d5841ea 192#define DEFAULT_CHANNEL_OVERWRITE -1
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193#define DEFAULT_CHANNEL_TRACEFILE_SIZE CONFIG_DEFAULT_CHANNEL_TRACEFILE_SIZE
194#define DEFAULT_CHANNEL_TRACEFILE_COUNT CONFIG_DEFAULT_CHANNEL_TRACEFILE_COUNT
195
196#define _DEFAULT_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_CHANNEL_SUBBUF_SIZE
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197#define _DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP
198
199/* Metadata channel defaults. */
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200#define DEFAULT_METADATA_SUBBUF_SIZE CONFIG_DEFAULT_METADATA_SUBBUF_SIZE
201#define DEFAULT_METADATA_SUBBUF_NUM CONFIG_DEFAULT_METADATA_SUBBUF_NUM
202#define DEFAULT_METADATA_CACHE_SIZE CONFIG_DEFAULT_METADATA_CACHE_SIZE
203#define DEFAULT_METADATA_SWITCH_TIMER CONFIG_DEFAULT_METADATA_SWITCH_TIMER
204#define DEFAULT_METADATA_READ_TIMER CONFIG_DEFAULT_METADATA_READ_TIMER
0a9c6494 205#define DEFAULT_METADATA_OUTPUT _DEFAULT_CHANNEL_OUTPUT
e6ddca71 206
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207/* Kernel has different defaults */
208
209/* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */
7659d490 210#define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE
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211/*
212 * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
213 * Update help manually if override.
214 */
7659d490 215#define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM
b389abbe 216/* See lttng-kernel.h enum lttng_kernel_output for channel output */
0a9c6494 217#define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE
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218#define DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER
219#define DEFAULT_KERNEL_CHANNEL_READ_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_READ_TIMER
220#define DEFAULT_KERNEL_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_LIVE_TIMER
6bb9e85f 221
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222/* User space defaults */
223
224/* Must be a power of 2 */
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225#define DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE
226#define DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE
9f778c9a 227/* Must be a power of 2. Update help manuall if override. */
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228#define DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM
229#define DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM
28ca4a8b 230/* See lttng-ust.h enum lttng_ust_output */
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231#define DEFAULT_UST_PID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
232#define DEFAULT_UST_UID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT
233/* Timers in usec. */
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234#define DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER
235#define DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER
236#define DEFAULT_UST_PID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_LIVE_TIMER
237#define DEFAULT_UST_UID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_LIVE_TIMER
0b0dd29a 238
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239#define DEFAULT_UST_PID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_READ_TIMER
240#define DEFAULT_UST_UID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_READ_TIMER
6bb9e85f 241
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242/*
243 * Default timeout value for the sem_timedwait() call. Blocking forever is not
244 * wanted so a timeout is used to control the data flow and not freeze the
245 * session daemon.
246 */
247#define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */
248
fa91dc52 249/* Default bind addresses for network services. */
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250#define DEFAULT_NETWORK_CONTROL_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_CONTROL_BIND_ADDRESS
251#define DEFAULT_NETWORK_DATA_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_DATA_BIND_ADDRESS
252#define DEFAULT_NETWORK_VIEWER_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_VIEWER_BIND_ADDRESS
253#define DEFAULT_AGENT_BIND_ADDRESS CONFIG_DEFAULT_AGENT_BIND_ADDRESS
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254
255/* Default network ports for trace streaming support. */
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256#define DEFAULT_NETWORK_CONTROL_PORT CONFIG_DEFAULT_NETWORK_CONTROL_PORT
257#define DEFAULT_NETWORK_DATA_PORT CONFIG_DEFAULT_NETWORK_DATA_PORT
258#define DEFAULT_NETWORK_VIEWER_PORT CONFIG_DEFAULT_NETWORK_VIEWER_PORT
3a5713da 259
022d91ba 260/* Agent registration TCP port. */
7659d490 261#define DEFAULT_AGENT_TCP_PORT CONFIG_DEFAULT_AGENT_TCP_PORT
4d076222 262
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263/*
264 * If a thread stalls for this amount of time, it will be considered bogus (bad
265 * health).
266 */
267#define DEFAULT_HEALTH_CHECK_DELTA_S 20
268#define DEFAULT_HEALTH_CHECK_DELTA_NS 0
269
38ee087f 270/*
6d805429 271 * Wait period before retrying the lttng_data_pending command in the lttng
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272 * stop command of liblttng-ctl.
273 */
274#define DEFAULT_DATA_AVAILABILITY_WAIT_TIME 200000 /* usec */
275
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276/*
277 * Wait period before retrying the lttng_consumer_flushed_cache when
278 * the consumer receives metadata.
279 */
280#define DEFAULT_METADATA_AVAILABILITY_WAIT_TIME 200000 /* usec */
281
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282/*
283 * The usual value for the maximum TCP SYN retries time and TCP FIN timeout is
284 * 180 and 60 seconds on most Linux system and the default value since kernel
285 * 2.2 thus using the highest value. See tcp(7) for more details.
286 */
287#define DEFAULT_INET_TCP_TIMEOUT 180 /* sec */
288
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289/*
290 * Default receiving and sending timeout for an application socket.
291 */
7659d490 292#define DEFAULT_APP_SOCKET_RW_TIMEOUT CONFIG_DEFAULT_APP_SOCKET_RW_TIMEOUT
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293#define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT"
294
ffe60014 295#define DEFAULT_UST_STREAM_FD_NUM 2 /* Number of fd per UST stream. */
8b3bd7a3 296
da3c9ec1 297#define DEFAULT_SNAPSHOT_NAME "snapshot"
27babd3a 298#define DEFAULT_SNAPSHOT_MAX_SIZE 0 /* Unlimited. */
da3c9ec1 299
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300/* Suffix of an index file. */
301#define DEFAULT_INDEX_FILE_SUFFIX ".idx"
1c20f0e2 302#define DEFAULT_INDEX_DIR "index"
309167d2 303
d73c5802 304/* Default lttng command live timer value in usec. */
7659d490 305#define DEFAULT_LTTNG_LIVE_TIMER CONFIG_DEFAULT_LTTNG_LIVE_TIMER
d73c5802 306
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307/* Default runas worker name */
308#define DEFAULT_RUN_AS_WORKER_NAME "lttng-runas"
309
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310/* Default LTTng MI XML namespace. */
311#define DEFAULT_LTTNG_MI_NAMESPACE "http://lttng.org/xml/ns/lttng-mi"
312
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313/* Default thread stack size; the default mandated by pthread_create(3) */
314#define DEFAULT_LTTNG_THREAD_STACK_SIZE 2097152
315
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316/*
317 * Returns the default subbuf size.
318 *
319 * This function depends on a value that is set at constructor time, so it is
320 * unsafe to call it from another constructor.
321 */
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322LTTNG_HIDDEN
323size_t default_get_channel_subbuf_size(void);
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324
325/*
326 * Returns the default metadata subbuf size.
327 *
328 * This function depends on a value that is set at constructor time, so it is
329 * unsafe to call it from another constructor.
330 */
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331LTTNG_HIDDEN
332size_t default_get_metadata_subbuf_size(void);
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333
334/*
335 * Returns the default subbuf size for the kernel domain.
336 *
337 * This function depends on a value that is set at constructor time, so it is
338 * unsafe to call it from another constructor.
339 */
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340LTTNG_HIDDEN
341size_t default_get_kernel_channel_subbuf_size(void);
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342
343/*
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344 * Returns the default subbuf size for the UST domain per PID.
345 *
346 * This function depends on a value that is set at constructor time, so it is
347 * unsafe to call it from another constructor.
348 */
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349LTTNG_HIDDEN
350size_t default_get_ust_pid_channel_subbuf_size(void);
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351
352/*
353 * Returns the default subbuf size for the UST domain per UID.
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354 *
355 * This function depends on a value that is set at constructor time, so it is
356 * unsafe to call it from another constructor.
357 */
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358LTTNG_HIDDEN
359size_t default_get_ust_uid_channel_subbuf_size(void);
8b3bd7a3 360
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361/*
362 * Get the default pthread_attr to use on thread creation.
363 *
364 * Some libc, such as musl, don't honor the limit set for the stack size and use
365 * their own empirically chosen static value. This function checks if the
366 * current stack size is smaller than the stack size limit and if so returns a
367 * pthread_attr_t pointer where the thread stack size is set to the soft stack
368 * size limit.
369 */
370LTTNG_HIDDEN
371pthread_attr_t *default_pthread_attr(void);
372
990570ed 373#endif /* _DEFAULTS_H */
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