| 1 | /* |
| 2 | * Copyright (C) 2011 EfficiOS Inc. |
| 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.hpp> |
| 15 | |
| 16 | /* Default unix group name for tracing. */ |
| 17 | #define DEFAULT_TRACING_GROUP "tracing" |
| 18 | |
| 19 | /* |
| 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. |
| 23 | */ |
| 24 | #define DEFAULT_METADATA_NAME "metadata" |
| 25 | |
| 26 | /* Environment variable to set session daemon binary path. */ |
| 27 | #define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH" |
| 28 | |
| 29 | /* Environment variable to set man pager binary path. */ |
| 30 | #define DEFAULT_MAN_BIN_PATH_ENV "LTTNG_MAN_BIN_PATH" |
| 31 | |
| 32 | /* Default man pager binary path. */ |
| 33 | #define DEFAULT_MAN_BIN_PATH "/usr/bin/man" |
| 34 | |
| 35 | /* Default trace output directory name */ |
| 36 | #define DEFAULT_TRACE_DIR_NAME "lttng-traces" |
| 37 | |
| 38 | /* Default size of a hash table */ |
| 39 | #define DEFAULT_HT_SIZE 4 |
| 40 | |
| 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" |
| 46 | |
| 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" |
| 50 | |
| 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" |
| 54 | |
| 55 | /* |
| 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. |
| 58 | */ |
| 59 | #define DEFAULT_SESSION_NAME "auto" |
| 60 | |
| 61 | /* Default consumer paths */ |
| 62 | #define DEFAULT_CONSUMERD_FILE "lttng-consumerd" |
| 63 | |
| 64 | /* Default consumer paths */ |
| 65 | #define DEFAULT_CONSUMERD_RUNDIR "%s" |
| 66 | |
| 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" |
| 71 | |
| 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" |
| 76 | |
| 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" |
| 81 | |
| 82 | /* Relayd path */ |
| 83 | #define DEFAULT_RELAYD_RUNDIR "%s" |
| 84 | #define DEFAULT_RELAYD_PATH DEFAULT_RELAYD_RUNDIR "/relayd" |
| 85 | |
| 86 | #define DEFAULT_RELAYD_MIN_FD_POOL_SIZE 100 |
| 87 | /* |
| 88 | * The file descriptor pool size needs a reserve buffer to accommodates 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 |
| 92 | * short-lived FDs. |
| 93 | * |
| 94 | * The theoritical maximal reserve corresponds to the number of threads as, |
| 95 | * in the worst case, they could all be making such calls. |
| 96 | * |
| 97 | * This value must be less than DEFAULT_RELAYD_MIN_FD_POOL_SIZE. |
| 98 | */ |
| 99 | #define DEFAULT_RELAYD_FD_POOL_SIZE_RESERVE 10 |
| 100 | |
| 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" |
| 109 | |
| 110 | /* Default probes list */ |
| 111 | #define DEFAULT_LTTNG_KMOD_PROBES "LTTNG_KMOD_PROBES" |
| 112 | |
| 113 | /* Default extra probes list */ |
| 114 | #define DEFAULT_LTTNG_EXTRA_KMOD_PROBES "LTTNG_EXTRA_KMOD_PROBES" |
| 115 | |
| 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" |
| 123 | |
| 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" |
| 131 | |
| 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" |
| 135 | |
| 136 | /* Default daemon configuration file path */ |
| 137 | #define DEFAULT_SYSTEM_CONFIGPATH CONFIG_LTTNG_SYSTEM_CONFIGDIR \ |
| 138 | "/lttng" |
| 139 | |
| 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 |
| 145 | |
| 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 "/" \ |
| 151 | DEFAULT_SESSION_PATH |
| 152 | #define DEFAULT_SESSION_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \ |
| 153 | DEFAULT_SESSION_PATH |
| 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" |
| 158 | |
| 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" |
| 167 | |
| 168 | /* |
| 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. |
| 171 | */ |
| 172 | #define DEFAULT_POLL_SIZE 65535 |
| 173 | |
| 174 | /* |
| 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. |
| 179 | */ |
| 180 | #define DEFAULT_STREAM_NAME_LEN (LTTNG_SYMBOL_NAME_LEN + 8) |
| 181 | |
| 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 ":*" |
| 189 | |
| 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 ":*" |
| 195 | |
| 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 ":*" |
| 201 | |
| 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 |
| 205 | |
| 206 | #define _DEFAULT_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_CHANNEL_SUBBUF_SIZE |
| 207 | #define _DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP |
| 208 | |
| 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 0 |
| 214 | #define DEFAULT_METADATA_READ_TIMER 0 |
| 215 | #define DEFAULT_METADATA_OVERWRITE 0 |
| 216 | #define DEFAULT_METADATA_OUTPUT LTTNG_EVENT_MMAP |
| 217 | |
| 218 | /* Kernel has different defaults */ |
| 219 | |
| 220 | /* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */ |
| 221 | #define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE |
| 222 | /* |
| 223 | * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2. |
| 224 | * Update help manually if override. |
| 225 | */ |
| 226 | #define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM |
| 227 | /* See lttng-kernel.h enum lttng_kernel_output for channel output */ |
| 228 | #define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE |
| 229 | #define DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER |
| 230 | #define DEFAULT_KERNEL_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_MONITOR_TIMER |
| 231 | #define DEFAULT_KERNEL_CHANNEL_READ_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_READ_TIMER |
| 232 | #define DEFAULT_KERNEL_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_KERNEL_CHANNEL_LIVE_TIMER |
| 233 | #define DEFAULT_KERNEL_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_KERNEL_CHANNEL_BLOCKING_TIMEOUT |
| 234 | |
| 235 | /* User space defaults */ |
| 236 | |
| 237 | /* Must be a power of 2 */ |
| 238 | #define DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE |
| 239 | #define DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE |
| 240 | /* Must be a power of 2. Update help manuall if override. */ |
| 241 | #define DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM |
| 242 | #define DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM CONFIG_DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM |
| 243 | /* See lttng-ust.h enum lttng_ust_output */ |
| 244 | #define DEFAULT_UST_PID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT |
| 245 | #define DEFAULT_UST_UID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT |
| 246 | /* Timers in usec. */ |
| 247 | #define DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER |
| 248 | #define DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER |
| 249 | #define DEFAULT_UST_PID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_LIVE_TIMER |
| 250 | #define DEFAULT_UST_UID_CHANNEL_LIVE_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_LIVE_TIMER |
| 251 | #define DEFAULT_UST_PID_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_MONITOR_TIMER |
| 252 | #define DEFAULT_UST_UID_CHANNEL_MONITOR_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_MONITOR_TIMER |
| 253 | |
| 254 | #define DEFAULT_UST_PID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_PID_CHANNEL_READ_TIMER |
| 255 | #define DEFAULT_UST_UID_CHANNEL_READ_TIMER CONFIG_DEFAULT_UST_UID_CHANNEL_READ_TIMER |
| 256 | |
| 257 | #define DEFAULT_UST_PID_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_UST_PID_CHANNEL_BLOCKING_TIMEOUT |
| 258 | #define DEFAULT_UST_UID_CHANNEL_BLOCKING_TIMEOUT CONFIG_DEFAULT_UST_UID_CHANNEL_BLOCKING_TIMEOUT |
| 259 | |
| 260 | /* |
| 261 | * Default timeout value for the sem_timedwait() call. Blocking forever is not |
| 262 | * wanted so a timeout is used to control the data flow and not freeze the |
| 263 | * session daemon. |
| 264 | */ |
| 265 | #define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */ |
| 266 | |
| 267 | /* Default bind addresses for network services. */ |
| 268 | #define DEFAULT_NETWORK_CONTROL_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_CONTROL_BIND_ADDRESS |
| 269 | #define DEFAULT_NETWORK_DATA_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_DATA_BIND_ADDRESS |
| 270 | #define DEFAULT_NETWORK_VIEWER_BIND_ADDRESS CONFIG_DEFAULT_NETWORK_VIEWER_BIND_ADDRESS |
| 271 | #define DEFAULT_AGENT_BIND_ADDRESS CONFIG_DEFAULT_AGENT_BIND_ADDRESS |
| 272 | |
| 273 | /* Default network ports for trace streaming support. */ |
| 274 | #define DEFAULT_NETWORK_CONTROL_PORT CONFIG_DEFAULT_NETWORK_CONTROL_PORT |
| 275 | #define DEFAULT_NETWORK_DATA_PORT CONFIG_DEFAULT_NETWORK_DATA_PORT |
| 276 | #define DEFAULT_NETWORK_VIEWER_PORT CONFIG_DEFAULT_NETWORK_VIEWER_PORT |
| 277 | |
| 278 | /* Agent registration TCP port range. */ |
| 279 | #define DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN CONFIG_DEFAULT_AGENT_TCP_PORT_RANGE_BEGIN |
| 280 | #define DEFAULT_AGENT_TCP_PORT_RANGE_END CONFIG_DEFAULT_AGENT_TCP_PORT_RANGE_END |
| 281 | |
| 282 | /* Number of buckets in the event notifier error count map. */ |
| 283 | #define DEFAULT_EVENT_NOTIFIER_ERROR_COUNT_MAP_SIZE CONFIG_DEFAULT_EVENT_NOTIFIER_ERROR_COUNT_MAP_SIZE |
| 284 | |
| 285 | /* |
| 286 | * If a thread stalls for this amount of time, it will be considered bogus (bad |
| 287 | * health). |
| 288 | */ |
| 289 | #define DEFAULT_HEALTH_CHECK_DELTA_S 20 |
| 290 | #define DEFAULT_HEALTH_CHECK_DELTA_NS 0 |
| 291 | |
| 292 | /* |
| 293 | * Wait period before retrying the lttng_data_pending command in the lttng |
| 294 | * stop command of liblttng-ctl. |
| 295 | */ |
| 296 | #define DEFAULT_DATA_AVAILABILITY_WAIT_TIME_US 200000 /* usec */ |
| 297 | |
| 298 | /* |
| 299 | * Wait period before retrying the lttng_consumer_flushed_cache when |
| 300 | * the consumer receives metadata. |
| 301 | */ |
| 302 | #define DEFAULT_METADATA_AVAILABILITY_WAIT_TIME 200000 /* usec */ |
| 303 | |
| 304 | /* |
| 305 | * The usual value for the maximum TCP SYN retries time and TCP FIN timeout is |
| 306 | * 180 and 60 seconds on most Linux system and the default value since kernel |
| 307 | * 2.2 thus using the highest value. See tcp(7) for more details. |
| 308 | */ |
| 309 | #define DEFAULT_INET_TCP_TIMEOUT 180 /* sec */ |
| 310 | |
| 311 | /* Maximum payload size for a control connection */ |
| 312 | |
| 313 | #define DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE CONFIG_DEFAULT_NETWORK_RELAYD_CTRL_MAX_PAYLOAD_SIZE |
| 314 | |
| 315 | /* |
| 316 | * Default receiving and sending timeout for an application socket. |
| 317 | */ |
| 318 | #define DEFAULT_APP_SOCKET_RW_TIMEOUT CONFIG_DEFAULT_APP_SOCKET_RW_TIMEOUT |
| 319 | #define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT" |
| 320 | |
| 321 | #define DEFAULT_UST_STREAM_FD_NUM 2 /* Number of fd per UST stream. */ |
| 322 | |
| 323 | #define DEFAULT_SNAPSHOT_NAME "snapshot" |
| 324 | #define DEFAULT_SNAPSHOT_MAX_SIZE 0 /* Unlimited. */ |
| 325 | |
| 326 | /* Suffix of an index file. */ |
| 327 | #define DEFAULT_INDEX_FILE_SUFFIX ".idx" |
| 328 | #define DEFAULT_INDEX_DIR "index" |
| 329 | |
| 330 | /* Default lttng command live timer value in usec. */ |
| 331 | #define DEFAULT_LTTNG_LIVE_TIMER CONFIG_DEFAULT_LTTNG_LIVE_TIMER |
| 332 | |
| 333 | /* Default runas worker name */ |
| 334 | #define DEFAULT_RUN_AS_WORKER_NAME "lttng-runas" |
| 335 | |
| 336 | /* Default LTTng MI XML namespace. */ |
| 337 | #define DEFAULT_LTTNG_MI_NAMESPACE "https://lttng.org/xml/ns/lttng-mi" |
| 338 | |
| 339 | /* Default thread stack size; the default mandated by pthread_create(3) */ |
| 340 | #define DEFAULT_LTTNG_THREAD_STACK_SIZE 2097152 |
| 341 | |
| 342 | /* Default maximal size of message notification channel message payloads. */ |
| 343 | #define DEFAULT_MAX_NOTIFICATION_CLIENT_MESSAGE_PAYLOAD_SIZE 65536 |
| 344 | |
| 345 | /* Default maximal size of trace archive location. */ |
| 346 | #define DEFAULT_MAX_TRACE_ARCHIVE_LOCATION_PAYLOAD_SIZE 65536 |
| 347 | |
| 348 | /* Default maximal size of message notification channel message payloads. */ |
| 349 | #define DEFAULT_CLIENT_MAX_QUEUED_NOTIFICATIONS_COUNT 100 |
| 350 | |
| 351 | |
| 352 | #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE" |
| 353 | #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_IDLE_TIME" |
| 354 | #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_MAX_PROBE_COUNT" |
| 355 | #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_PROBE_INTERVAL" |
| 356 | #define DEFAULT_LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD_ENV "LTTNG_RELAYD_TCP_KEEP_ALIVE_ABORT_THRESHOLD" |
| 357 | #define DEFAULT_LTTNG_RELAYD_DISALLOW_CLEAR_ENV "LTTNG_RELAYD_DISALLOW_CLEAR" |
| 358 | |
| 359 | #define DEFAULT_LTTNG_RELAYD_WORKING_DIRECTORY_ENV "LTTNG_RELAYD_WORKING_DIRECTORY" |
| 360 | |
| 361 | /* |
| 362 | * Name of the intermediate directory used to rename the trace chunk of a |
| 363 | * session's first rotation. |
| 364 | */ |
| 365 | #define DEFAULT_CHUNK_TMP_OLD_DIRECTORY ".tmp_old_chunk" |
| 366 | #define DEFAULT_CHUNK_TMP_NEW_DIRECTORY ".tmp_new_chunk" |
| 367 | #define DEFAULT_ARCHIVED_TRACE_CHUNKS_DIRECTORY "archives" |
| 368 | #define DEFAULT_UNLINKED_FILES_DIRECTORY ".unlinked" |
| 369 | |
| 370 | /* |
| 371 | * Default timer value in usec for the rotate pending polling check on the |
| 372 | * relay when a rotation has completed on the consumer. |
| 373 | */ |
| 374 | #define DEFAULT_ROTATE_PENDING_TIMER CONFIG_DEFAULT_ROTATE_PENDING_TIMER |
| 375 | |
| 376 | /* |
| 377 | * Returns the default subbuf size. |
| 378 | * |
| 379 | * This function depends on a value that is set at constructor time, so it is |
| 380 | * unsafe to call it from another constructor. |
| 381 | */ |
| 382 | size_t default_get_channel_subbuf_size(); |
| 383 | |
| 384 | /* |
| 385 | * Returns the default metadata subbuf size. |
| 386 | * |
| 387 | * This function depends on a value that is set at constructor time, so it is |
| 388 | * unsafe to call it from another constructor. |
| 389 | */ |
| 390 | size_t default_get_metadata_subbuf_size(); |
| 391 | |
| 392 | /* |
| 393 | * Returns the default subbuf size for the kernel domain. |
| 394 | * |
| 395 | * This function depends on a value that is set at constructor time, so it is |
| 396 | * unsafe to call it from another constructor. |
| 397 | */ |
| 398 | size_t default_get_kernel_channel_subbuf_size(); |
| 399 | |
| 400 | /* |
| 401 | * Returns the default subbuf size for the UST domain per PID. |
| 402 | * |
| 403 | * This function depends on a value that is set at constructor time, so it is |
| 404 | * unsafe to call it from another constructor. |
| 405 | */ |
| 406 | size_t default_get_ust_pid_channel_subbuf_size(); |
| 407 | |
| 408 | /* |
| 409 | * Returns the default subbuf size for the UST domain per UID. |
| 410 | * |
| 411 | * This function depends on a value that is set at constructor time, so it is |
| 412 | * unsafe to call it from another constructor. |
| 413 | */ |
| 414 | size_t default_get_ust_uid_channel_subbuf_size(); |
| 415 | |
| 416 | /* |
| 417 | * Get the default pthread_attr to use on thread creation. |
| 418 | * |
| 419 | * Some libc, such as musl, don't honor the limit set for the stack size and use |
| 420 | * their own empirically chosen static value. This function checks if the |
| 421 | * current stack size is smaller than the stack size limit and if so returns a |
| 422 | * pthread_attr_t pointer where the thread stack size is set to the soft stack |
| 423 | * size limit. |
| 424 | */ |
| 425 | pthread_attr_t *default_pthread_attr(); |
| 426 | |
| 427 | #endif /* _DEFAULTS_H */ |