src/common/defaults.h

   1 /*
   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>
   5  *
   6  * SPDX-License-Identifier: GPL-2.0-only
   7  *
   8  */
   9
  10 #ifndef _DEFAULTS_H
  11 #define _DEFAULTS_H
  12
  13 #include <pthread.h>
  14 #include <common/macros.h>
  15
  16 #ifdef __cplusplus
  17 extern "C" {
  18 #endif
  19
  20 /* Default unix group name for tracing. */
  21 #define DEFAULT_TRACING_GROUP                   "tracing"
  22
  23 /*
  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.
  27  */
  28 #define DEFAULT_METADATA_NAME                   "metadata"
  29
  30 /* Environment variable to set session daemon binary path. */
  31 #define DEFAULT_SESSIOND_PATH_ENV               "LTTNG_SESSIOND_PATH"
  32
  33 /* Environment variable to set man pager binary path. */
  34 #define DEFAULT_MAN_BIN_PATH_ENV                "LTTNG_MAN_BIN_PATH"
  35
  36 /* Default man pager binary path. */
  37 #define DEFAULT_MAN_BIN_PATH                    "/usr/bin/man"
  38
  39 /* Default trace output directory name */
  40 #define DEFAULT_TRACE_DIR_NAME                  "lttng-traces"
  41
  42 /* Default size of a hash table */
  43 #define DEFAULT_HT_SIZE                         4
  44
  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"
  50
  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"
  54
  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"
  58
  59 /*
  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.
  62  */
  63 #define DEFAULT_SESSION_NAME                    "auto"
  64
  65 /* Default consumer paths */
  66 #define DEFAULT_CONSUMERD_FILE                  "lttng-consumerd"
  67
  68 /* Default consumer paths */
  69 #define DEFAULT_CONSUMERD_RUNDIR                "%s"
  70
  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"
  75
  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"
  80
  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"
  85
  86 /* Relayd path */
  87 #define DEFAULT_RELAYD_RUNDIR                   "%s"
  88 #define DEFAULT_RELAYD_PATH                     DEFAULT_RELAYD_RUNDIR "/relayd"
  89
  90 #define DEFAULT_RELAYD_MIN_FD_POOL_SIZE         100
  91 /*
  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
  96  * short-lived FDs.
  97  *
  98  * The theoritical maximal reserve corresponds to the number of threads as,
  99  * in the worst case, they could all be making such calls.
 100  *
 101  * This value must be less than DEFAULT_RELAYD_MIN_FD_POOL_SIZE.
 102  */
 103 #define DEFAULT_RELAYD_FD_POOL_SIZE_RESERVE     10
 104
 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"
 113
 114 /* Default probes list */
 115 #define DEFAULT_LTTNG_KMOD_PROBES               "LTTNG_KMOD_PROBES"
 116
 117 /* Default extra probes list */
 118 #define DEFAULT_LTTNG_EXTRA_KMOD_PROBES         "LTTNG_EXTRA_KMOD_PROBES"
 119
 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"
 127
 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"
 135
 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"
 139
 140 /* Default daemon configuration file path */
 141 #define DEFAULT_SYSTEM_CONFIGPATH               CONFIG_LTTNG_SYSTEM_CONFIGDIR \
 142         "/lttng"
 143
 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
 149
 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 "/" \
 155         DEFAULT_SESSION_PATH
 156 #define DEFAULT_SESSION_SYSTEM_CONFIGPATH       DEFAULT_SYSTEM_CONFIGPATH "/" \
 157         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"
 162
 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"
 171
 172 /*
 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.
 175  */
 176 #define DEFAULT_POLL_SIZE 65535
 177
 178 /*
 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.
 183  */
 184 #define DEFAULT_STREAM_NAME_LEN        LTTNG_SYMBOL_NAME_LEN + 8
 185
 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 ":*"
 193
 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 ":*"
 199
 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 ":*"
 205
 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
 209
 210 #define _DEFAULT_CHANNEL_SUBBUF_SIZE   CONFIG_DEFAULT_CHANNEL_SUBBUF_SIZE
 211 #define _DEFAULT_CHANNEL_OUTPUT                 LTTNG_EVENT_MMAP
 212
 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
 221
 222 /* Kernel has different defaults */
 223
 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
 226 /*
 227  * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2.
 228  * Update help manually if override.
 229  */
 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
 238
 239 /* User space defaults */
 240
 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
 257
 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
 260
 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
 263
 264 /*
 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
 267  * session daemon.
 268  */
 269 #define DEFAULT_SEM_WAIT_TIMEOUT            30    /* in seconds */
 270
 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
 276
 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
 281
 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
 285
 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
 288
 289 /*
 290  * If a thread stalls for this amount of time, it will be considered bogus (bad
 291  * health).
 292  */
 293 #define DEFAULT_HEALTH_CHECK_DELTA_S        20
 294 #define DEFAULT_HEALTH_CHECK_DELTA_NS       0
 295
 296 /*
 297  * Wait period before retrying the lttng_data_pending command in the lttng
 298  * stop command of liblttng-ctl.
 299  */
 300 #define DEFAULT_DATA_AVAILABILITY_WAIT_TIME_US 200000  /* usec */
 301
 302 /*
 303  * Wait period before retrying the lttng_consumer_flushed_cache when
 304  * the consumer receives metadata.
 305  */
 306 #define DEFAULT_METADATA_AVAILABILITY_WAIT_TIME 200000  /* usec */
 307
 308 /*
 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.
 312  */
 313 #define DEFAULT_INET_TCP_TIMEOUT                        180     /* sec */
 314
 315 /* Maximum payload size for a control connection */
 316
 317 #define DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE CONFIG_DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE
 318
 319 /*
 320  * Default receiving and sending timeout for an application socket.
 321  */
 322 #define DEFAULT_APP_SOCKET_RW_TIMEOUT       CONFIG_DEFAULT_APP_SOCKET_RW_TIMEOUT
 323 #define DEFAULT_APP_SOCKET_TIMEOUT_ENV      "LTTNG_APP_SOCKET_TIMEOUT"
 324
 325 #define DEFAULT_UST_STREAM_FD_NUM                       2 /* Number of fd per UST stream. */
 326
 327 #define DEFAULT_SNAPSHOT_NAME                           "snapshot"
 328 #define DEFAULT_SNAPSHOT_MAX_SIZE                       0 /* Unlimited. */
 329
 330 /* Suffix of an index file. */
 331 #define DEFAULT_INDEX_FILE_SUFFIX                       ".idx"
 332 #define DEFAULT_INDEX_DIR                                       "index"
 333
 334 /* Default lttng command live timer value in usec. */
 335 #define DEFAULT_LTTNG_LIVE_TIMER                        CONFIG_DEFAULT_LTTNG_LIVE_TIMER
 336
 337 /* Default runas worker name */
 338 #define DEFAULT_RUN_AS_WORKER_NAME                      "lttng-runas"
 339
 340 /* Default LTTng MI XML namespace. */
 341 #define DEFAULT_LTTNG_MI_NAMESPACE              "https://lttng.org/xml/ns/lttng-mi"
 342
 343 /* Default thread stack size; the default mandated by pthread_create(3) */
 344 #define DEFAULT_LTTNG_THREAD_STACK_SIZE         2097152
 345
 346 /* Default maximal size of message notification channel message payloads. */
 347 #define DEFAULT_MAX_NOTIFICATION_CLIENT_MESSAGE_PAYLOAD_SIZE    65536
 348
 349 /* Default maximal size of trace archive location. */
 350 #define DEFAULT_MAX_TRACE_ARCHIVE_LOCATION_PAYLOAD_SIZE         65536
 351
 352 /* Default maximal size of message notification channel message payloads. */
 353 #define DEFAULT_CLIENT_MAX_QUEUED_NOTIFICATIONS_COUNT           100
 354
 355
 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"
 362
 363 #define DEFAULT_LTTNG_RELAYD_WORKING_DIRECTORY_ENV "LTTNG_RELAYD_WORKING_DIRECTORY"
 364
 365 /*
 366  * Name of the intermediate directory used to rename the trace chunk of a
 367  * session's first rotation.
 368  */
 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"
 373
 374 /*
 375  * Default timer value in usec for the rotate pending polling check on the
 376  * relay when a rotation has completed on the consumer.
 377  */
 378 #define DEFAULT_ROTATE_PENDING_TIMER    CONFIG_DEFAULT_ROTATE_PENDING_TIMER
 379
 380 /*
 381  * Returns the default subbuf size.
 382  *
 383  * This function depends on a value that is set at constructor time, so it is
 384  * unsafe to call it from another constructor.
 385  */
 386 size_t default_get_channel_subbuf_size(void);
 387
 388 /*
 389  * Returns the default metadata subbuf size.
 390  *
 391  * This function depends on a value that is set at constructor time, so it is
 392  * unsafe to call it from another constructor.
 393  */
 394 size_t default_get_metadata_subbuf_size(void);
 395
 396 /*
 397  * Returns the default subbuf size for the kernel domain.
 398  *
 399  * This function depends on a value that is set at constructor time, so it is
 400  * unsafe to call it from another constructor.
 401  */
 402 size_t default_get_kernel_channel_subbuf_size(void);
 403
 404 /*
 405  * Returns the default subbuf size for the UST domain per PID.
 406  *
 407  * This function depends on a value that is set at constructor time, so it is
 408  * unsafe to call it from another constructor.
 409  */
 410 size_t default_get_ust_pid_channel_subbuf_size(void);
 411
 412 /*
 413  * Returns the default subbuf size for the UST domain per UID.
 414  *
 415  * This function depends on a value that is set at constructor time, so it is
 416  * unsafe to call it from another constructor.
 417  */
 418 size_t default_get_ust_uid_channel_subbuf_size(void);
 419
 420 /*
 421  * Get the default pthread_attr to use on thread creation.
 422  *
 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
 427  * size limit.
 428  */
 429 pthread_attr_t *default_pthread_attr(void);
 430
 431 #ifdef __cplusplus
 432 }
 433 #endif
 434
 435 #endif /* _DEFAULTS_H */