| 1 | /* |
| 2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> |
| 3 | * Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 4 | * 2015 - Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 5 | * |
| 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. |
| 9 | * |
| 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 |
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | * more details. |
| 14 | * |
| 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. |
| 18 | */ |
| 19 | |
| 20 | #ifndef _DEFAULTS_H |
| 21 | #define _DEFAULTS_H |
| 22 | |
| 23 | #include <src/common/macros.h> |
| 24 | |
| 25 | /* Default unix group name for tracing. */ |
| 26 | #define DEFAULT_TRACING_GROUP "tracing" |
| 27 | |
| 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 | |
| 35 | /* Environment variable to set session daemon binary path. */ |
| 36 | #define DEFAULT_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH" |
| 37 | |
| 38 | /* Default trace output directory name */ |
| 39 | #define DEFAULT_TRACE_DIR_NAME "lttng-traces" |
| 40 | |
| 41 | /* Default size of a hash table */ |
| 42 | #define DEFAULT_HT_SIZE 4 |
| 43 | |
| 44 | /* Default session daemon paths */ |
| 45 | #define DEFAULT_HOME_DIR "/tmp" |
| 46 | #define DEFAULT_UST_SOCK_DIR DEFAULT_HOME_DIR "/ust-app-socks" |
| 47 | #define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global" |
| 48 | #define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng" |
| 49 | |
| 50 | /* Default directory where the trace are written in per domain */ |
| 51 | #define DEFAULT_KERNEL_TRACE_DIR "/kernel" |
| 52 | #define DEFAULT_UST_TRACE_DIR "/ust" |
| 53 | |
| 54 | /* Subpath for per PID or UID sessions. */ |
| 55 | #define DEFAULT_UST_TRACE_PID_PATH "/pid" |
| 56 | #define DEFAULT_UST_TRACE_UID_PATH "/uid/%d/%u-bit" |
| 57 | |
| 58 | /* |
| 59 | * Default session name for the lttng command line. This default value will |
| 60 | * get the date and time appended (%Y%m%d-%H%M%S) to it. |
| 61 | */ |
| 62 | #define DEFAULT_SESSION_NAME "auto" |
| 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 | /* Default lttng run directory */ |
| 87 | #define DEFAULT_LTTNG_HOME_ENV_VAR "LTTNG_HOME" |
| 88 | #define DEFAULT_LTTNG_FALLBACK_HOME_ENV_VAR "HOME" |
| 89 | #define DEFAULT_LTTNG_RUNDIR CONFIG_LTTNG_SYSTEM_RUNDIR |
| 90 | #define DEFAULT_LTTNG_HOME_RUNDIR "%s/.lttng" |
| 91 | #define DEFAULT_LTTNG_SESSIOND_PIDFILE "lttng-sessiond.pid" |
| 92 | #define DEFAULT_LTTNG_SESSIOND_AGENTPORT_FILE "agent.port" |
| 93 | #define DEFAULT_LTTNG_SESSIOND_LOCKFILE "lttng-sessiond.lck" |
| 94 | |
| 95 | /* Default probes list */ |
| 96 | #define DEFAULT_LTTNG_KMOD_PROBES "LTTNG_KMOD_PROBES" |
| 97 | |
| 98 | /* Default extra probes list */ |
| 99 | #define DEFAULT_LTTNG_EXTRA_KMOD_PROBES "LTTNG_EXTRA_KMOD_PROBES" |
| 100 | |
| 101 | /* Default unix socket path */ |
| 102 | #define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/client-lttng-sessiond" |
| 103 | #define DEFAULT_HOME_CLIENT_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/client-lttng-sessiond" |
| 104 | #define DEFAULT_GLOBAL_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/sessiond-health" |
| 105 | #define DEFAULT_HOME_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/sessiond-health" |
| 106 | |
| 107 | /* Default consumer health unix socket path */ |
| 108 | #define DEFAULT_GLOBAL_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd32/health" |
| 109 | #define DEFAULT_HOME_USTCONSUMER32_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd32/health" |
| 110 | #define DEFAULT_GLOBAL_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/ustconsumerd64/health" |
| 111 | #define DEFAULT_HOME_USTCONSUMER64_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/ustconsumerd64/health" |
| 112 | #define DEFAULT_GLOBAL_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/kconsumerd/health" |
| 113 | #define DEFAULT_HOME_KCONSUMER_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/kconsumerd/health" |
| 114 | |
| 115 | /* Default relay health unix socket path */ |
| 116 | #define DEFAULT_GLOBAL_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_RUNDIR "/relayd/health-%d" |
| 117 | #define DEFAULT_HOME_RELAY_HEALTH_UNIX_SOCK DEFAULT_LTTNG_HOME_RUNDIR "/relayd/health-%d" |
| 118 | |
| 119 | /* Default daemon configuration file path */ |
| 120 | #define DEFAULT_SYSTEM_CONFIGPATH CONFIG_LTTNG_SYSTEM_CONFIGDIR \ |
| 121 | "/lttng" |
| 122 | |
| 123 | #define DEFAULT_DAEMON_CONFIG_FILE "lttng.conf" |
| 124 | #define DEFAULT_DAEMON_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \ |
| 125 | DEFAULT_DAEMON_CONFIG_FILE |
| 126 | #define DEFAULT_DAEMON_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \ |
| 127 | DEFAULT_DAEMON_CONFIG_FILE |
| 128 | |
| 129 | /* Default session configuration file path */ |
| 130 | #define DEFAULT_SESSION_PATH "sessions" |
| 131 | /* Auto load session in that directory. */ |
| 132 | #define DEFAULT_SESSION_CONFIG_AUTOLOAD "auto" |
| 133 | #define DEFAULT_SESSION_HOME_CONFIGPATH DEFAULT_LTTNG_HOME_RUNDIR "/" \ |
| 134 | DEFAULT_SESSION_PATH |
| 135 | #define DEFAULT_SESSION_SYSTEM_CONFIGPATH DEFAULT_SYSTEM_CONFIGPATH "/" \ |
| 136 | DEFAULT_SESSION_PATH |
| 137 | #define DEFAULT_SESSION_CONFIG_FILE_EXTENSION ".lttng" |
| 138 | #define DEFAULT_SESSION_CONFIG_XSD_FILENAME "session.xsd" |
| 139 | #define DEFAULT_SESSION_CONFIG_XSD_PATH CONFIG_LTTNG_SYSTEM_DATADIR "/xml/lttng/" |
| 140 | #define DEFAULT_SESSION_CONFIG_XSD_PATH_ENV "LTTNG_SESSION_CONFIG_XSD_PATH" |
| 141 | |
| 142 | #define DEFAULT_GLOBAL_APPS_UNIX_SOCK \ |
| 143 | DEFAULT_LTTNG_RUNDIR "/" LTTNG_UST_SOCK_FILENAME |
| 144 | #define DEFAULT_HOME_APPS_UNIX_SOCK \ |
| 145 | DEFAULT_LTTNG_HOME_RUNDIR "/" LTTNG_UST_SOCK_FILENAME |
| 146 | #define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH \ |
| 147 | "/" LTTNG_UST_WAIT_FILENAME |
| 148 | #define DEFAULT_HOME_APPS_WAIT_SHM_PATH \ |
| 149 | DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "-%d" |
| 150 | |
| 151 | /* |
| 152 | * Value taken from the hard limit allowed by the kernel when using setrlimit |
| 153 | * with RLIMIT_NOFILE on an Intel i7 CPU and Linux 3.0.3. |
| 154 | */ |
| 155 | #define DEFAULT_POLL_SIZE 65535 |
| 156 | |
| 157 | /* |
| 158 | * Format is %s_%d respectively channel name and CPU number. Eigth bytes |
| 159 | * are added here to add space for the CPU number. I guess 2^8 CPUs is more |
| 160 | * than enough. We might end up with quantum computing in a cell phone when |
| 161 | * reaching this limit. |
| 162 | */ |
| 163 | #define DEFAULT_STREAM_NAME_LEN LTTNG_SYMBOL_NAME_LEN + 8 |
| 164 | |
| 165 | /* Default channel attributes */ |
| 166 | #define DEFAULT_CHANNEL_NAME "channel0" |
| 167 | /* Default JUL domain channel name. */ |
| 168 | #define DEFAULT_JUL_CHANNEL_NAME "lttng_jul_channel" |
| 169 | /* Default JUL tracepoint name. This is a wildcard for the JUL domain. */ |
| 170 | #define DEFAULT_JUL_EVENT_COMPONENT "lttng_jul" |
| 171 | #define DEFAULT_JUL_EVENT_NAME DEFAULT_JUL_EVENT_COMPONENT ":*" |
| 172 | |
| 173 | /* Default log4j domain channel name. */ |
| 174 | #define DEFAULT_LOG4J_CHANNEL_NAME "lttng_log4j_channel" |
| 175 | /* Default log4j tracepoint name. This is a wildcard for the log4j domain. */ |
| 176 | #define DEFAULT_LOG4J_EVENT_COMPONENT "lttng_log4j" |
| 177 | #define DEFAULT_LOG4J_EVENT_NAME DEFAULT_LOG4J_EVENT_COMPONENT ":*" |
| 178 | |
| 179 | /* Default Python domain channel name. */ |
| 180 | #define DEFAULT_PYTHON_CHANNEL_NAME "lttng_python_channel" |
| 181 | /* Default Python tracepoint name. This is a wildcard for the python domain. */ |
| 182 | #define DEFAULT_PYTHON_EVENT_COMPONENT "lttng_python" |
| 183 | #define DEFAULT_PYTHON_EVENT_NAME DEFAULT_PYTHON_EVENT_COMPONENT ":*" |
| 184 | |
| 185 | #define DEFAULT_CHANNEL_OVERWRITE 0 |
| 186 | #define DEFAULT_CHANNEL_TRACEFILE_SIZE 0 |
| 187 | #define DEFAULT_CHANNEL_TRACEFILE_COUNT 0 |
| 188 | |
| 189 | /* Must always be a power of 2 */ |
| 190 | #define _DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */ |
| 191 | /* Must always be a power of 2 */ |
| 192 | #define _DEFAULT_CHANNEL_SUBBUF_NUM 4 |
| 193 | #define _DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */ |
| 194 | #define _DEFAULT_CHANNEL_LIVE_TIMER 0 /* usec */ |
| 195 | #define _DEFAULT_CHANNEL_READ_TIMER 200000 /* usec */ |
| 196 | #define _DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP |
| 197 | |
| 198 | /* Metadata channel defaults. */ |
| 199 | #define DEFAULT_METADATA_SUBBUF_SIZE 4096 |
| 200 | #define DEFAULT_METADATA_SUBBUF_NUM 2 |
| 201 | #define DEFAULT_METADATA_CACHE_SIZE 4096 |
| 202 | #define DEFAULT_METADATA_SWITCH_TIMER _DEFAULT_CHANNEL_SWITCH_TIMER |
| 203 | #define DEFAULT_METADATA_READ_TIMER 0 |
| 204 | #define DEFAULT_METADATA_OUTPUT _DEFAULT_CHANNEL_OUTPUT |
| 205 | |
| 206 | /* Kernel has different defaults */ |
| 207 | |
| 208 | /* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */ |
| 209 | #define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE 262144 /* bytes */ |
| 210 | /* |
| 211 | * DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2. |
| 212 | * Update help manually if override. |
| 213 | */ |
| 214 | #define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM _DEFAULT_CHANNEL_SUBBUF_NUM |
| 215 | /* See lttng-kernel.h enum lttng_kernel_output for channel output */ |
| 216 | #define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE |
| 217 | #define DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER _DEFAULT_CHANNEL_SWITCH_TIMER |
| 218 | #define DEFAULT_KERNEL_CHANNEL_READ_TIMER _DEFAULT_CHANNEL_READ_TIMER |
| 219 | #define DEFAULT_KERNEL_CHANNEL_LIVE_TIMER _DEFAULT_CHANNEL_LIVE_TIMER |
| 220 | |
| 221 | /* User space defaults */ |
| 222 | |
| 223 | /* Must be a power of 2 */ |
| 224 | #define DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE _DEFAULT_CHANNEL_SUBBUF_SIZE |
| 225 | #define DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE 131072 /* bytes */ |
| 226 | /* Must be a power of 2. Update help manuall if override. */ |
| 227 | #define DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM _DEFAULT_CHANNEL_SUBBUF_NUM |
| 228 | #define DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM _DEFAULT_CHANNEL_SUBBUF_NUM |
| 229 | /* See lttng-ust.h enum lttng_ust_output */ |
| 230 | #define DEFAULT_UST_PID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT |
| 231 | #define DEFAULT_UST_UID_CHANNEL_OUTPUT _DEFAULT_CHANNEL_OUTPUT |
| 232 | /* Timers in usec. */ |
| 233 | #define DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER _DEFAULT_CHANNEL_SWITCH_TIMER |
| 234 | #define DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER _DEFAULT_CHANNEL_SWITCH_TIMER |
| 235 | #define DEFAULT_UST_PID_CHANNEL_LIVE_TIMER _DEFAULT_CHANNEL_LIVE_TIMER |
| 236 | #define DEFAULT_UST_UID_CHANNEL_LIVE_TIMER _DEFAULT_CHANNEL_LIVE_TIMER |
| 237 | |
| 238 | #define DEFAULT_UST_PID_CHANNEL_READ_TIMER 0 /* usec */ |
| 239 | #define DEFAULT_UST_UID_CHANNEL_READ_TIMER 0 /* usec */ |
| 240 | |
| 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 | |
| 248 | /* Default bind addresses for network services. */ |
| 249 | #define DEFAULT_NETWORK_CONTROL_BIND_ADDRESS "0.0.0.0" |
| 250 | #define DEFAULT_NETWORK_DATA_BIND_ADDRESS "0.0.0.0" |
| 251 | #define DEFAULT_NETWORK_VIEWER_BIND_ADDRESS "localhost" |
| 252 | #define DEFAULT_AGENT_BIND_ADDRESS "localhost" |
| 253 | |
| 254 | /* Default network ports for trace streaming support. */ |
| 255 | #define DEFAULT_NETWORK_CONTROL_PORT 5342 |
| 256 | #define DEFAULT_NETWORK_DATA_PORT 5343 |
| 257 | #define DEFAULT_NETWORK_VIEWER_PORT 5344 |
| 258 | |
| 259 | /* Agent registration TCP port. */ |
| 260 | #define DEFAULT_AGENT_TCP_PORT 5345 |
| 261 | |
| 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 | |
| 269 | /* |
| 270 | * Wait period before retrying the lttng_data_pending command in the lttng |
| 271 | * stop command of liblttng-ctl. |
| 272 | */ |
| 273 | #define DEFAULT_DATA_AVAILABILITY_WAIT_TIME 200000 /* usec */ |
| 274 | |
| 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 | |
| 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 | |
| 288 | /* |
| 289 | * Default receiving and sending timeout for an application socket. |
| 290 | */ |
| 291 | #define DEFAULT_APP_SOCKET_RW_TIMEOUT 5 /* sec */ |
| 292 | #define DEFAULT_APP_SOCKET_TIMEOUT_ENV "LTTNG_APP_SOCKET_TIMEOUT" |
| 293 | |
| 294 | #define DEFAULT_UST_STREAM_FD_NUM 2 /* Number of fd per UST stream. */ |
| 295 | |
| 296 | #define DEFAULT_SNAPSHOT_NAME "snapshot" |
| 297 | #define DEFAULT_SNAPSHOT_MAX_SIZE 0 /* Unlimited. */ |
| 298 | |
| 299 | /* Suffix of an index file. */ |
| 300 | #define DEFAULT_INDEX_FILE_SUFFIX ".idx" |
| 301 | #define DEFAULT_INDEX_DIR "index" |
| 302 | |
| 303 | /* Default lttng command live timer value in usec. */ |
| 304 | #define DEFAULT_LTTNG_LIVE_TIMER 1000000 |
| 305 | |
| 306 | /* Default runas worker name */ |
| 307 | #define DEFAULT_RUN_AS_WORKER_NAME "lttng-runas" |
| 308 | |
| 309 | /* |
| 310 | * Returns the default subbuf size. |
| 311 | * |
| 312 | * This function depends on a value that is set at constructor time, so it is |
| 313 | * unsafe to call it from another constructor. |
| 314 | */ |
| 315 | LTTNG_HIDDEN |
| 316 | size_t default_get_channel_subbuf_size(void); |
| 317 | |
| 318 | /* |
| 319 | * Returns the default metadata subbuf size. |
| 320 | * |
| 321 | * This function depends on a value that is set at constructor time, so it is |
| 322 | * unsafe to call it from another constructor. |
| 323 | */ |
| 324 | LTTNG_HIDDEN |
| 325 | size_t default_get_metadata_subbuf_size(void); |
| 326 | |
| 327 | /* |
| 328 | * Returns the default subbuf size for the kernel domain. |
| 329 | * |
| 330 | * This function depends on a value that is set at constructor time, so it is |
| 331 | * unsafe to call it from another constructor. |
| 332 | */ |
| 333 | LTTNG_HIDDEN |
| 334 | size_t default_get_kernel_channel_subbuf_size(void); |
| 335 | |
| 336 | /* |
| 337 | * Returns the default subbuf size for the UST domain per PID. |
| 338 | * |
| 339 | * This function depends on a value that is set at constructor time, so it is |
| 340 | * unsafe to call it from another constructor. |
| 341 | */ |
| 342 | LTTNG_HIDDEN |
| 343 | size_t default_get_ust_pid_channel_subbuf_size(void); |
| 344 | |
| 345 | /* |
| 346 | * Returns the default subbuf size for the UST domain per UID. |
| 347 | * |
| 348 | * This function depends on a value that is set at constructor time, so it is |
| 349 | * unsafe to call it from another constructor. |
| 350 | */ |
| 351 | LTTNG_HIDDEN |
| 352 | size_t default_get_ust_uid_channel_subbuf_size(void); |
| 353 | |
| 354 | #endif /* _DEFAULTS_H */ |